diff --git a/croutine.c b/croutine.c
index 64574e3..891dd28 100644
--- a/croutine.c
+++ b/croutine.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/event_groups.c b/event_groups.c
index 4a12430..2e0003f 100644
--- a/event_groups.c
+++ b/event_groups.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/FreeRTOS.h b/include/FreeRTOS.h
index 87c67d7..2e4420f 100644
--- a/include/FreeRTOS.h
+++ b/include/FreeRTOS.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/StackMacros.h b/include/StackMacros.h
index dde8136..85c6dd0 100644
--- a/include/StackMacros.h
+++ b/include/StackMacros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/atomic.h b/include/atomic.h
index cd1fd1b..328c396 100644
--- a/include/atomic.h
+++ b/include/atomic.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/croutine.h b/include/croutine.h
index 89571a0..904f2b2 100644
--- a/include/croutine.h
+++ b/include/croutine.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/deprecated_definitions.h b/include/deprecated_definitions.h
index efa8a87..b7df42a 100644
--- a/include/deprecated_definitions.h
+++ b/include/deprecated_definitions.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/event_groups.h b/include/event_groups.h
index 70ba8d1..6544cc6 100644
--- a/include/event_groups.h
+++ b/include/event_groups.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/list.h b/include/list.h
index ce3e51c..792f13d 100644
--- a/include/list.h
+++ b/include/list.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/message_buffer.h b/include/message_buffer.h
index 1ed4976..ed4b324 100644
--- a/include/message_buffer.h
+++ b/include/message_buffer.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/mpu_prototypes.h b/include/mpu_prototypes.h
index 61f885d..36d6b08 100644
--- a/include/mpu_prototypes.h
+++ b/include/mpu_prototypes.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/mpu_wrappers.h b/include/mpu_wrappers.h
index 841b51a..0e988d9 100644
--- a/include/mpu_wrappers.h
+++ b/include/mpu_wrappers.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/portable.h b/include/portable.h
index 774d3b5..c811705 100644
--- a/include/portable.h
+++ b/include/portable.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/projdefs.h b/include/projdefs.h
index fd9072c..8ba033a 100644
--- a/include/projdefs.h
+++ b/include/projdefs.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/queue.h b/include/queue.h
index 89b5fb1..1518ad7 100644
--- a/include/queue.h
+++ b/include/queue.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/semphr.h b/include/semphr.h
index 525a8ec..a858746 100644
--- a/include/semphr.h
+++ b/include/semphr.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/stack_macros.h b/include/stack_macros.h
index c8ef4bd..7b4c698 100644
--- a/include/stack_macros.h
+++ b/include/stack_macros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/stdint.readme b/include/stdint.readme
index d6c1152..38bcda7 100644
--- a/include/stdint.readme
+++ b/include/stdint.readme
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/stream_buffer.h b/include/stream_buffer.h
index 89f6dfb..0f07ed3 100644
--- a/include/stream_buffer.h
+++ b/include/stream_buffer.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/task.h b/include/task.h
index d17bef8..5d7598b 100644
--- a/include/task.h
+++ b/include/task.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/timers.h b/include/timers.h
index 9bf6cba..807f4a8 100644
--- a/include/timers.h
+++ b/include/timers.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/list.c b/list.c
index d1a5964..3e88e9a 100644
--- a/list.c
+++ b/list.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/copy_files.py b/portable/ARMv8M/copy_files.py
index 73252e8..46e8564 100644
--- a/portable/ARMv8M/copy_files.py
+++ b/portable/ARMv8M/copy_files.py
@@ -1,5 +1,5 @@
 #/*
-# * FreeRTOS Kernel V10.4.3
+# * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 # * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 # *
 # * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/port.c b/portable/ARMv8M/non_secure/port.c
index b4639df..29788f5 100644
--- a/portable/ARMv8M/non_secure/port.c
+++ b/portable/ARMv8M/non_secure/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portasm.c b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portasm.c
index 5276d8f..85cc5dd 100644
--- a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portasm.c
+++ b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portasm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portmacro.h
index a47950a..5eaa7af 100644
--- a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portmacro.h
+++ b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portasm.c b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portasm.c
index ef8f3e4..80764e0 100644
--- a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portasm.c
+++ b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portasm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portmacro.h
index a47950a..5eaa7af 100644
--- a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portmacro.h
+++ b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portasm.c b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portasm.c
index aaab4cf..d75afdd 100644
--- a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portasm.c
+++ b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portasm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portmacro.h
index edc7d23..76637b8 100644
--- a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portmacro.h
+++ b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portasm.c b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portasm.c
index 98927a7..ea5ae72 100644
--- a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portasm.c
+++ b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portasm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portmacro.h
index edc7d23..76637b8 100644
--- a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portmacro.h
+++ b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portasm.s b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portasm.s
index 8003b45..a62cc7f 100644
--- a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portasm.s
+++ b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portmacro.h b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portmacro.h
index c19092e..93e8cf6 100644
--- a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portmacro.h
+++ b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23_NTZ/portasm.s b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23_NTZ/portasm.s
index 6e911bd..86abaac 100644
--- a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23_NTZ/portasm.s
+++ b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23_NTZ/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23_NTZ/portmacro.h b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23_NTZ/portmacro.h
index 69aea60..2b4b371 100644
--- a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23_NTZ/portmacro.h
+++ b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23_NTZ/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portasm.s b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portasm.s
index 6b125b2..5f9f469 100644
--- a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portasm.s
+++ b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portmacro.h b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portmacro.h
index d67f7ab..edb9312 100644
--- a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portmacro.h
+++ b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portasm.s b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portasm.s
index b65f0f4..5de5352 100644
--- a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portasm.s
+++ b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portmacro.h b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portmacro.h
index d67f7ab..edb9312 100644
--- a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portmacro.h
+++ b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/non_secure/portasm.h b/portable/ARMv8M/non_secure/portasm.h
index b01f171..5724a69 100644
--- a/portable/ARMv8M/non_secure/portasm.h
+++ b/portable/ARMv8M/non_secure/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/context/portable/GCC/ARM_CM23/secure_context_port.c b/portable/ARMv8M/secure/context/portable/GCC/ARM_CM23/secure_context_port.c
index ade0abf..97b9e5c 100644
--- a/portable/ARMv8M/secure/context/portable/GCC/ARM_CM23/secure_context_port.c
+++ b/portable/ARMv8M/secure/context/portable/GCC/ARM_CM23/secure_context_port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/context/portable/GCC/ARM_CM33/secure_context_port.c b/portable/ARMv8M/secure/context/portable/GCC/ARM_CM33/secure_context_port.c
index 64b2e7a..079a3f3 100644
--- a/portable/ARMv8M/secure/context/portable/GCC/ARM_CM33/secure_context_port.c
+++ b/portable/ARMv8M/secure/context/portable/GCC/ARM_CM33/secure_context_port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/context/portable/IAR/ARM_CM23/secure_context_port.c b/portable/ARMv8M/secure/context/portable/IAR/ARM_CM23/secure_context_port.c
index 455b90c..3ffce16 100644
--- a/portable/ARMv8M/secure/context/portable/IAR/ARM_CM23/secure_context_port.c
+++ b/portable/ARMv8M/secure/context/portable/IAR/ARM_CM23/secure_context_port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/context/portable/IAR/ARM_CM23/secure_context_port_asm.s b/portable/ARMv8M/secure/context/portable/IAR/ARM_CM23/secure_context_port_asm.s
index 1f793f2..df112e2 100644
--- a/portable/ARMv8M/secure/context/portable/IAR/ARM_CM23/secure_context_port_asm.s
+++ b/portable/ARMv8M/secure/context/portable/IAR/ARM_CM23/secure_context_port_asm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port.c b/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port.c
index 455b90c..3ffce16 100644
--- a/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port.c
+++ b/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port_asm.s b/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port_asm.s
index d2c599d..5265c64 100644
--- a/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port_asm.s
+++ b/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port_asm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/context/secure_context.c b/portable/ARMv8M/secure/context/secure_context.c
index 046bf4e..6f8edd4 100644
--- a/portable/ARMv8M/secure/context/secure_context.c
+++ b/portable/ARMv8M/secure/context/secure_context.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/context/secure_context.h b/portable/ARMv8M/secure/context/secure_context.h
index 532a407..c5364a5 100644
--- a/portable/ARMv8M/secure/context/secure_context.h
+++ b/portable/ARMv8M/secure/context/secure_context.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/heap/secure_heap.c b/portable/ARMv8M/secure/heap/secure_heap.c
index 82dbd9e..67a4f8e 100644
--- a/portable/ARMv8M/secure/heap/secure_heap.c
+++ b/portable/ARMv8M/secure/heap/secure_heap.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/heap/secure_heap.h b/portable/ARMv8M/secure/heap/secure_heap.h
index fa78046..e99cc15 100644
--- a/portable/ARMv8M/secure/heap/secure_heap.h
+++ b/portable/ARMv8M/secure/heap/secure_heap.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/init/secure_init.c b/portable/ARMv8M/secure/init/secure_init.c
index 4e6018d..cb1a931 100644
--- a/portable/ARMv8M/secure/init/secure_init.c
+++ b/portable/ARMv8M/secure/init/secure_init.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/init/secure_init.h b/portable/ARMv8M/secure/init/secure_init.h
index 39deb36..81b1e84 100644
--- a/portable/ARMv8M/secure/init/secure_init.h
+++ b/portable/ARMv8M/secure/init/secure_init.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ARMv8M/secure/macros/secure_port_macros.h b/portable/ARMv8M/secure/macros/secure_port_macros.h
index 7b8dbed..c1cf003 100644
--- a/portable/ARMv8M/secure/macros/secure_port_macros.h
+++ b/portable/ARMv8M/secure/macros/secure_port_macros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/BCC/16BitDOS/Flsh186/port.c b/portable/BCC/16BitDOS/Flsh186/port.c
index dba83d2..889e63c 100644
--- a/portable/BCC/16BitDOS/Flsh186/port.c
+++ b/portable/BCC/16BitDOS/Flsh186/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/BCC/16BitDOS/Flsh186/prtmacro.h b/portable/BCC/16BitDOS/Flsh186/prtmacro.h
index 57ae421..0b629eb 100644
--- a/portable/BCC/16BitDOS/Flsh186/prtmacro.h
+++ b/portable/BCC/16BitDOS/Flsh186/prtmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/BCC/16BitDOS/PC/port.c b/portable/BCC/16BitDOS/PC/port.c
index c837ad7..5aedce7 100644
--- a/portable/BCC/16BitDOS/PC/port.c
+++ b/portable/BCC/16BitDOS/PC/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/BCC/16BitDOS/PC/prtmacro.h b/portable/BCC/16BitDOS/PC/prtmacro.h
index 0daf400..aff8958 100644
--- a/portable/BCC/16BitDOS/PC/prtmacro.h
+++ b/portable/BCC/16BitDOS/PC/prtmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/BCC/16BitDOS/common/portasm.h b/portable/BCC/16BitDOS/common/portasm.h
index 83193de..0939177 100644
--- a/portable/BCC/16BitDOS/common/portasm.h
+++ b/portable/BCC/16BitDOS/common/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/BCC/16BitDOS/common/portcomn.c b/portable/BCC/16BitDOS/common/portcomn.c
index be7e2e1..a78a60d 100644
--- a/portable/BCC/16BitDOS/common/portcomn.c
+++ b/portable/BCC/16BitDOS/common/portcomn.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/ARM_CM3/port.c b/portable/CCS/ARM_CM3/port.c
index 790b262..07ded88 100644
--- a/portable/CCS/ARM_CM3/port.c
+++ b/portable/CCS/ARM_CM3/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/ARM_CM3/portasm.asm b/portable/CCS/ARM_CM3/portasm.asm
index 940e1b0..bba16bb 100644
--- a/portable/CCS/ARM_CM3/portasm.asm
+++ b/portable/CCS/ARM_CM3/portasm.asm
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/ARM_CM3/portmacro.h b/portable/CCS/ARM_CM3/portmacro.h
index f3d274e..de79c08 100644
--- a/portable/CCS/ARM_CM3/portmacro.h
+++ b/portable/CCS/ARM_CM3/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/ARM_CM4F/port.c b/portable/CCS/ARM_CM4F/port.c
index 15fcdc5..beeafb7 100644
--- a/portable/CCS/ARM_CM4F/port.c
+++ b/portable/CCS/ARM_CM4F/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/ARM_CM4F/portasm.asm b/portable/CCS/ARM_CM4F/portasm.asm
index 20cbdd4..f1e279f 100644
--- a/portable/CCS/ARM_CM4F/portasm.asm
+++ b/portable/CCS/ARM_CM4F/portasm.asm
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/ARM_CM4F/portmacro.h b/portable/CCS/ARM_CM4F/portmacro.h
index 3e721b3..57c2ac4 100644
--- a/portable/CCS/ARM_CM4F/portmacro.h
+++ b/portable/CCS/ARM_CM4F/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/ARM_Cortex-R4/port.c b/portable/CCS/ARM_Cortex-R4/port.c
index 698f1c8..107b340 100644
--- a/portable/CCS/ARM_Cortex-R4/port.c
+++ b/portable/CCS/ARM_Cortex-R4/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/ARM_Cortex-R4/portASM.asm b/portable/CCS/ARM_Cortex-R4/portASM.asm
index 76e2b71..f066211 100644
--- a/portable/CCS/ARM_Cortex-R4/portASM.asm
+++ b/portable/CCS/ARM_Cortex-R4/portASM.asm
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/ARM_Cortex-R4/portmacro.h b/portable/CCS/ARM_Cortex-R4/portmacro.h
index 0dd91b6..260eba3 100644
--- a/portable/CCS/ARM_Cortex-R4/portmacro.h
+++ b/portable/CCS/ARM_Cortex-R4/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/MSP430X/data_model.h b/portable/CCS/MSP430X/data_model.h
index 400705c..f6590b1 100644
--- a/portable/CCS/MSP430X/data_model.h
+++ b/portable/CCS/MSP430X/data_model.h
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/MSP430X/port.c b/portable/CCS/MSP430X/port.c
index 5536c4e..8500230 100644
--- a/portable/CCS/MSP430X/port.c
+++ b/portable/CCS/MSP430X/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/MSP430X/portext.asm b/portable/CCS/MSP430X/portext.asm
index 81de6ea..1dd8b9d 100644
--- a/portable/CCS/MSP430X/portext.asm
+++ b/portable/CCS/MSP430X/portext.asm
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CCS/MSP430X/portmacro.h b/portable/CCS/MSP430X/portmacro.h
index 3f6bb0a..1482c83 100644
--- a/portable/CCS/MSP430X/portmacro.h
+++ b/portable/CCS/MSP430X/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CodeWarrior/ColdFire_V1/port.c b/portable/CodeWarrior/ColdFire_V1/port.c
index 502ccb2..1fcc159 100644
--- a/portable/CodeWarrior/ColdFire_V1/port.c
+++ b/portable/CodeWarrior/ColdFire_V1/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CodeWarrior/ColdFire_V1/portasm.S b/portable/CodeWarrior/ColdFire_V1/portasm.S
index b722b31..f2203b7 100644
--- a/portable/CodeWarrior/ColdFire_V1/portasm.S
+++ b/portable/CodeWarrior/ColdFire_V1/portasm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CodeWarrior/ColdFire_V1/portmacro.h b/portable/CodeWarrior/ColdFire_V1/portmacro.h
index 1bafecc..014e48a 100644
--- a/portable/CodeWarrior/ColdFire_V1/portmacro.h
+++ b/portable/CodeWarrior/ColdFire_V1/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CodeWarrior/ColdFire_V2/port.c b/portable/CodeWarrior/ColdFire_V2/port.c
index 28692f4..6136f64 100644
--- a/portable/CodeWarrior/ColdFire_V2/port.c
+++ b/portable/CodeWarrior/ColdFire_V2/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CodeWarrior/ColdFire_V2/portasm.S b/portable/CodeWarrior/ColdFire_V2/portasm.S
index 0e7e581..48704b9 100644
--- a/portable/CodeWarrior/ColdFire_V2/portasm.S
+++ b/portable/CodeWarrior/ColdFire_V2/portasm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CodeWarrior/ColdFire_V2/portmacro.h b/portable/CodeWarrior/ColdFire_V2/portmacro.h
index affd367..4309a99 100644
--- a/portable/CodeWarrior/ColdFire_V2/portmacro.h
+++ b/portable/CodeWarrior/ColdFire_V2/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CodeWarrior/HCS12/port.c b/portable/CodeWarrior/HCS12/port.c
index 94caaae..6ce3aab 100644
--- a/portable/CodeWarrior/HCS12/port.c
+++ b/portable/CodeWarrior/HCS12/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/CodeWarrior/HCS12/portmacro.h b/portable/CodeWarrior/HCS12/portmacro.h
index f231d77..ef51877 100644
--- a/portable/CodeWarrior/HCS12/portmacro.h
+++ b/portable/CodeWarrior/HCS12/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Common/mpu_wrappers.c b/portable/Common/mpu_wrappers.c
index ec82c67..26475af 100644
--- a/portable/Common/mpu_wrappers.c
+++ b/portable/Common/mpu_wrappers.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM7_AT91FR40008/port.c b/portable/GCC/ARM7_AT91FR40008/port.c
index 4b71df5..86859f5 100644
--- a/portable/GCC/ARM7_AT91FR40008/port.c
+++ b/portable/GCC/ARM7_AT91FR40008/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM7_AT91FR40008/portISR.c b/portable/GCC/ARM7_AT91FR40008/portISR.c
index 32498c6..cc39fc9 100644
--- a/portable/GCC/ARM7_AT91FR40008/portISR.c
+++ b/portable/GCC/ARM7_AT91FR40008/portISR.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM7_AT91FR40008/portmacro.h b/portable/GCC/ARM7_AT91FR40008/portmacro.h
index a72538f..68d530d 100644
--- a/portable/GCC/ARM7_AT91FR40008/portmacro.h
+++ b/portable/GCC/ARM7_AT91FR40008/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM7_AT91SAM7S/port.c b/portable/GCC/ARM7_AT91SAM7S/port.c
index fca0dc7..09ecae3 100644
--- a/portable/GCC/ARM7_AT91SAM7S/port.c
+++ b/portable/GCC/ARM7_AT91SAM7S/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM7_AT91SAM7S/portISR.c b/portable/GCC/ARM7_AT91SAM7S/portISR.c
index 197e201..0d4782e 100644
--- a/portable/GCC/ARM7_AT91SAM7S/portISR.c
+++ b/portable/GCC/ARM7_AT91SAM7S/portISR.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM7_AT91SAM7S/portmacro.h b/portable/GCC/ARM7_AT91SAM7S/portmacro.h
index 97ab4de..e77c594 100644
--- a/portable/GCC/ARM7_AT91SAM7S/portmacro.h
+++ b/portable/GCC/ARM7_AT91SAM7S/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM7_LPC2000/port.c b/portable/GCC/ARM7_LPC2000/port.c
index abc4810..4a29145 100644
--- a/portable/GCC/ARM7_LPC2000/port.c
+++ b/portable/GCC/ARM7_LPC2000/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM7_LPC2000/portISR.c b/portable/GCC/ARM7_LPC2000/portISR.c
index 4b5c8b2..88f81d2 100644
--- a/portable/GCC/ARM7_LPC2000/portISR.c
+++ b/portable/GCC/ARM7_LPC2000/portISR.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM7_LPC2000/portmacro.h b/portable/GCC/ARM7_LPC2000/portmacro.h
index 7ee62d1..ad1f32f 100644
--- a/portable/GCC/ARM7_LPC2000/portmacro.h
+++ b/portable/GCC/ARM7_LPC2000/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM7_LPC23xx/port.c b/portable/GCC/ARM7_LPC23xx/port.c
index f93d04a..3e5b08d 100644
--- a/portable/GCC/ARM7_LPC23xx/port.c
+++ b/portable/GCC/ARM7_LPC23xx/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM7_LPC23xx/portISR.c b/portable/GCC/ARM7_LPC23xx/portISR.c
index 99d4803..1d3d98c 100644
--- a/portable/GCC/ARM7_LPC23xx/portISR.c
+++ b/portable/GCC/ARM7_LPC23xx/portISR.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM7_LPC23xx/portmacro.h b/portable/GCC/ARM7_LPC23xx/portmacro.h
index db8331f..db07426 100644
--- a/portable/GCC/ARM7_LPC23xx/portmacro.h
+++ b/portable/GCC/ARM7_LPC23xx/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CA53_64_BIT/port.c b/portable/GCC/ARM_CA53_64_BIT/port.c
index 63ea94c..8a8c58a 100644
--- a/portable/GCC/ARM_CA53_64_BIT/port.c
+++ b/portable/GCC/ARM_CA53_64_BIT/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CA53_64_BIT/portASM.S b/portable/GCC/ARM_CA53_64_BIT/portASM.S
index 80cb574..121b9ee 100644
--- a/portable/GCC/ARM_CA53_64_BIT/portASM.S
+++ b/portable/GCC/ARM_CA53_64_BIT/portASM.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CA53_64_BIT/portmacro.h b/portable/GCC/ARM_CA53_64_BIT/portmacro.h
index 8215504..bd365f9 100644
--- a/portable/GCC/ARM_CA53_64_BIT/portmacro.h
+++ b/portable/GCC/ARM_CA53_64_BIT/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CA9/port.c b/portable/GCC/ARM_CA9/port.c
index 3b62283..53246e7 100644
--- a/portable/GCC/ARM_CA9/port.c
+++ b/portable/GCC/ARM_CA9/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CA9/portASM.S b/portable/GCC/ARM_CA9/portASM.S
index d3aff1e..6a5935c 100644
--- a/portable/GCC/ARM_CA9/portASM.S
+++ b/portable/GCC/ARM_CA9/portASM.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CA9/portmacro.h b/portable/GCC/ARM_CA9/portmacro.h
index 3da0b91..a3d9cf7 100644
--- a/portable/GCC/ARM_CA9/portmacro.h
+++ b/portable/GCC/ARM_CA9/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM0/port.c b/portable/GCC/ARM_CM0/port.c
index bad10db..c2210d7 100644
--- a/portable/GCC/ARM_CM0/port.c
+++ b/portable/GCC/ARM_CM0/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM0/portmacro.h b/portable/GCC/ARM_CM0/portmacro.h
index ec19ffa..e16e3b0 100644
--- a/portable/GCC/ARM_CM0/portmacro.h
+++ b/portable/GCC/ARM_CM0/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23/non_secure/port.c b/portable/GCC/ARM_CM23/non_secure/port.c
index 852a11c..ee066a7 100644
--- a/portable/GCC/ARM_CM23/non_secure/port.c
+++ b/portable/GCC/ARM_CM23/non_secure/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23/non_secure/portasm.c b/portable/GCC/ARM_CM23/non_secure/portasm.c
index 5276d8f..85cc5dd 100644
--- a/portable/GCC/ARM_CM23/non_secure/portasm.c
+++ b/portable/GCC/ARM_CM23/non_secure/portasm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23/non_secure/portasm.h b/portable/GCC/ARM_CM23/non_secure/portasm.h
index b01f171..5724a69 100644
--- a/portable/GCC/ARM_CM23/non_secure/portasm.h
+++ b/portable/GCC/ARM_CM23/non_secure/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23/non_secure/portmacro.h b/portable/GCC/ARM_CM23/non_secure/portmacro.h
index a47950a..5eaa7af 100644
--- a/portable/GCC/ARM_CM23/non_secure/portmacro.h
+++ b/portable/GCC/ARM_CM23/non_secure/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23/secure/secure_context.c b/portable/GCC/ARM_CM23/secure/secure_context.c
index 046bf4e..6f8edd4 100644
--- a/portable/GCC/ARM_CM23/secure/secure_context.c
+++ b/portable/GCC/ARM_CM23/secure/secure_context.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23/secure/secure_context.h b/portable/GCC/ARM_CM23/secure/secure_context.h
index 532a407..c5364a5 100644
--- a/portable/GCC/ARM_CM23/secure/secure_context.h
+++ b/portable/GCC/ARM_CM23/secure/secure_context.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23/secure/secure_context_port.c b/portable/GCC/ARM_CM23/secure/secure_context_port.c
index ade0abf..97b9e5c 100644
--- a/portable/GCC/ARM_CM23/secure/secure_context_port.c
+++ b/portable/GCC/ARM_CM23/secure/secure_context_port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23/secure/secure_heap.c b/portable/GCC/ARM_CM23/secure/secure_heap.c
index 82dbd9e..67a4f8e 100644
--- a/portable/GCC/ARM_CM23/secure/secure_heap.c
+++ b/portable/GCC/ARM_CM23/secure/secure_heap.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23/secure/secure_heap.h b/portable/GCC/ARM_CM23/secure/secure_heap.h
index fa78046..e99cc15 100644
--- a/portable/GCC/ARM_CM23/secure/secure_heap.h
+++ b/portable/GCC/ARM_CM23/secure/secure_heap.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23/secure/secure_init.c b/portable/GCC/ARM_CM23/secure/secure_init.c
index 4e6018d..cb1a931 100644
--- a/portable/GCC/ARM_CM23/secure/secure_init.c
+++ b/portable/GCC/ARM_CM23/secure/secure_init.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23/secure/secure_init.h b/portable/GCC/ARM_CM23/secure/secure_init.h
index 39deb36..81b1e84 100644
--- a/portable/GCC/ARM_CM23/secure/secure_init.h
+++ b/portable/GCC/ARM_CM23/secure/secure_init.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23/secure/secure_port_macros.h b/portable/GCC/ARM_CM23/secure/secure_port_macros.h
index 7b8dbed..c1cf003 100644
--- a/portable/GCC/ARM_CM23/secure/secure_port_macros.h
+++ b/portable/GCC/ARM_CM23/secure/secure_port_macros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23_NTZ/non_secure/port.c b/portable/GCC/ARM_CM23_NTZ/non_secure/port.c
index b4639df..29788f5 100644
--- a/portable/GCC/ARM_CM23_NTZ/non_secure/port.c
+++ b/portable/GCC/ARM_CM23_NTZ/non_secure/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23_NTZ/non_secure/portasm.c b/portable/GCC/ARM_CM23_NTZ/non_secure/portasm.c
index ef8f3e4..80764e0 100644
--- a/portable/GCC/ARM_CM23_NTZ/non_secure/portasm.c
+++ b/portable/GCC/ARM_CM23_NTZ/non_secure/portasm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23_NTZ/non_secure/portasm.h b/portable/GCC/ARM_CM23_NTZ/non_secure/portasm.h
index b01f171..5724a69 100644
--- a/portable/GCC/ARM_CM23_NTZ/non_secure/portasm.h
+++ b/portable/GCC/ARM_CM23_NTZ/non_secure/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM23_NTZ/non_secure/portmacro.h b/portable/GCC/ARM_CM23_NTZ/non_secure/portmacro.h
index a47950a..5eaa7af 100644
--- a/portable/GCC/ARM_CM23_NTZ/non_secure/portmacro.h
+++ b/portable/GCC/ARM_CM23_NTZ/non_secure/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM3/port.c b/portable/GCC/ARM_CM3/port.c
index c8c3c5f..c5be2e6 100644
--- a/portable/GCC/ARM_CM3/port.c
+++ b/portable/GCC/ARM_CM3/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM3/portmacro.h b/portable/GCC/ARM_CM3/portmacro.h
index 7183616..39a2479 100644
--- a/portable/GCC/ARM_CM3/portmacro.h
+++ b/portable/GCC/ARM_CM3/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33/non_secure/port.c b/portable/GCC/ARM_CM33/non_secure/port.c
index b4639df..29788f5 100644
--- a/portable/GCC/ARM_CM33/non_secure/port.c
+++ b/portable/GCC/ARM_CM33/non_secure/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33/non_secure/portasm.c b/portable/GCC/ARM_CM33/non_secure/portasm.c
index aaab4cf..d75afdd 100644
--- a/portable/GCC/ARM_CM33/non_secure/portasm.c
+++ b/portable/GCC/ARM_CM33/non_secure/portasm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33/non_secure/portasm.h b/portable/GCC/ARM_CM33/non_secure/portasm.h
index b01f171..5724a69 100644
--- a/portable/GCC/ARM_CM33/non_secure/portasm.h
+++ b/portable/GCC/ARM_CM33/non_secure/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33/non_secure/portmacro.h b/portable/GCC/ARM_CM33/non_secure/portmacro.h
index edc7d23..76637b8 100644
--- a/portable/GCC/ARM_CM33/non_secure/portmacro.h
+++ b/portable/GCC/ARM_CM33/non_secure/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33/secure/secure_context.c b/portable/GCC/ARM_CM33/secure/secure_context.c
index 046bf4e..6f8edd4 100644
--- a/portable/GCC/ARM_CM33/secure/secure_context.c
+++ b/portable/GCC/ARM_CM33/secure/secure_context.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33/secure/secure_context.h b/portable/GCC/ARM_CM33/secure/secure_context.h
index 532a407..c5364a5 100644
--- a/portable/GCC/ARM_CM33/secure/secure_context.h
+++ b/portable/GCC/ARM_CM33/secure/secure_context.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33/secure/secure_context_port.c b/portable/GCC/ARM_CM33/secure/secure_context_port.c
index 64b2e7a..079a3f3 100644
--- a/portable/GCC/ARM_CM33/secure/secure_context_port.c
+++ b/portable/GCC/ARM_CM33/secure/secure_context_port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33/secure/secure_heap.c b/portable/GCC/ARM_CM33/secure/secure_heap.c
index 82dbd9e..67a4f8e 100644
--- a/portable/GCC/ARM_CM33/secure/secure_heap.c
+++ b/portable/GCC/ARM_CM33/secure/secure_heap.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33/secure/secure_heap.h b/portable/GCC/ARM_CM33/secure/secure_heap.h
index fa78046..e99cc15 100644
--- a/portable/GCC/ARM_CM33/secure/secure_heap.h
+++ b/portable/GCC/ARM_CM33/secure/secure_heap.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33/secure/secure_init.c b/portable/GCC/ARM_CM33/secure/secure_init.c
index 4e6018d..cb1a931 100644
--- a/portable/GCC/ARM_CM33/secure/secure_init.c
+++ b/portable/GCC/ARM_CM33/secure/secure_init.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33/secure/secure_init.h b/portable/GCC/ARM_CM33/secure/secure_init.h
index 39deb36..81b1e84 100644
--- a/portable/GCC/ARM_CM33/secure/secure_init.h
+++ b/portable/GCC/ARM_CM33/secure/secure_init.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33/secure/secure_port_macros.h b/portable/GCC/ARM_CM33/secure/secure_port_macros.h
index 7b8dbed..c1cf003 100644
--- a/portable/GCC/ARM_CM33/secure/secure_port_macros.h
+++ b/portable/GCC/ARM_CM33/secure/secure_port_macros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33_NTZ/non_secure/port.c b/portable/GCC/ARM_CM33_NTZ/non_secure/port.c
index 852a11c..ee066a7 100644
--- a/portable/GCC/ARM_CM33_NTZ/non_secure/port.c
+++ b/portable/GCC/ARM_CM33_NTZ/non_secure/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.c b/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.c
index 98927a7..ea5ae72 100644
--- a/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.c
+++ b/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.h b/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.h
index b01f171..5724a69 100644
--- a/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.h
+++ b/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h b/portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h
index edc7d23..76637b8 100644
--- a/portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h
+++ b/portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM3_MPU/port.c b/portable/GCC/ARM_CM3_MPU/port.c
index a1f70dd..492d945 100644
--- a/portable/GCC/ARM_CM3_MPU/port.c
+++ b/portable/GCC/ARM_CM3_MPU/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM3_MPU/portmacro.h b/portable/GCC/ARM_CM3_MPU/portmacro.h
index 9d0e6fa..d6f05b6 100644
--- a/portable/GCC/ARM_CM3_MPU/portmacro.h
+++ b/portable/GCC/ARM_CM3_MPU/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM4F/port.c b/portable/GCC/ARM_CM4F/port.c
index 9f7fb08..6e1529e 100644
--- a/portable/GCC/ARM_CM4F/port.c
+++ b/portable/GCC/ARM_CM4F/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM4F/portmacro.h b/portable/GCC/ARM_CM4F/portmacro.h
index 74645dd..fa302f0 100644
--- a/portable/GCC/ARM_CM4F/portmacro.h
+++ b/portable/GCC/ARM_CM4F/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM4_MPU/port.c b/portable/GCC/ARM_CM4_MPU/port.c
index 8ca0ab5..1deb838 100644
--- a/portable/GCC/ARM_CM4_MPU/port.c
+++ b/portable/GCC/ARM_CM4_MPU/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM4_MPU/portmacro.h b/portable/GCC/ARM_CM4_MPU/portmacro.h
index 0dea2ab..65747b2 100644
--- a/portable/GCC/ARM_CM4_MPU/portmacro.h
+++ b/portable/GCC/ARM_CM4_MPU/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM7/r0p1/port.c b/portable/GCC/ARM_CM7/r0p1/port.c
index e30e076..c2f07aa 100644
--- a/portable/GCC/ARM_CM7/r0p1/port.c
+++ b/portable/GCC/ARM_CM7/r0p1/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CM7/r0p1/portmacro.h b/portable/GCC/ARM_CM7/r0p1/portmacro.h
index 9d88f1e..0277a2f 100644
--- a/portable/GCC/ARM_CM7/r0p1/portmacro.h
+++ b/portable/GCC/ARM_CM7/r0p1/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CR5/port.c b/portable/GCC/ARM_CR5/port.c
index de80c2e..ee8469e 100644
--- a/portable/GCC/ARM_CR5/port.c
+++ b/portable/GCC/ARM_CR5/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CR5/portASM.S b/portable/GCC/ARM_CR5/portASM.S
index 4925911..747261c 100644
--- a/portable/GCC/ARM_CR5/portASM.S
+++ b/portable/GCC/ARM_CR5/portASM.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CR5/portmacro.h b/portable/GCC/ARM_CR5/portmacro.h
index 200fcc0..c3af11f 100644
--- a/portable/GCC/ARM_CR5/portmacro.h
+++ b/portable/GCC/ARM_CR5/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CRx_No_GIC/port.c b/portable/GCC/ARM_CRx_No_GIC/port.c
index 6f18723..0dfe40e 100644
--- a/portable/GCC/ARM_CRx_No_GIC/port.c
+++ b/portable/GCC/ARM_CRx_No_GIC/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CRx_No_GIC/portASM.S b/portable/GCC/ARM_CRx_No_GIC/portASM.S
index 415f8d9..0a67836 100644
--- a/portable/GCC/ARM_CRx_No_GIC/portASM.S
+++ b/portable/GCC/ARM_CRx_No_GIC/portASM.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ARM_CRx_No_GIC/portmacro.h b/portable/GCC/ARM_CRx_No_GIC/portmacro.h
index a53838a..3c7dfdc 100644
--- a/portable/GCC/ARM_CRx_No_GIC/portmacro.h
+++ b/portable/GCC/ARM_CRx_No_GIC/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ATMega323/port.c b/portable/GCC/ATMega323/port.c
index e423ab6..e7ed604 100644
--- a/portable/GCC/ATMega323/port.c
+++ b/portable/GCC/ATMega323/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ATMega323/portmacro.h b/portable/GCC/ATMega323/portmacro.h
index d02e39e..0f44948 100644
--- a/portable/GCC/ATMega323/portmacro.h
+++ b/portable/GCC/ATMega323/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/AVR32_UC3/port.c b/portable/GCC/AVR32_UC3/port.c
index 0603c91..32452e5 100644
--- a/portable/GCC/AVR32_UC3/port.c
+++ b/portable/GCC/AVR32_UC3/port.c
@@ -14,7 +14,7 @@
  *****************************************************************************/
 
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/AVR32_UC3/portmacro.h b/portable/GCC/AVR32_UC3/portmacro.h
index ad26b87..831b44e 100644
--- a/portable/GCC/AVR32_UC3/portmacro.h
+++ b/portable/GCC/AVR32_UC3/portmacro.h
@@ -14,7 +14,7 @@
  *****************************************************************************/
 
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/AVR_AVRDx/port.c b/portable/GCC/AVR_AVRDx/port.c
index 8bf9474..5ca1cdd 100644
--- a/portable/GCC/AVR_AVRDx/port.c
+++ b/portable/GCC/AVR_AVRDx/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/AVR_AVRDx/portmacro.h b/portable/GCC/AVR_AVRDx/portmacro.h
index 93fa73c..90ec152 100644
--- a/portable/GCC/AVR_AVRDx/portmacro.h
+++ b/portable/GCC/AVR_AVRDx/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/AVR_Mega0/port.c b/portable/GCC/AVR_Mega0/port.c
index 2d80384..f9dbc07 100644
--- a/portable/GCC/AVR_Mega0/port.c
+++ b/portable/GCC/AVR_Mega0/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/AVR_Mega0/portmacro.h b/portable/GCC/AVR_Mega0/portmacro.h
index 1181d71..0a9df95 100644
--- a/portable/GCC/AVR_Mega0/portmacro.h
+++ b/portable/GCC/AVR_Mega0/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/CORTUS_APS3/port.c b/portable/GCC/CORTUS_APS3/port.c
index 04ff764..d230ab2 100644
--- a/portable/GCC/CORTUS_APS3/port.c
+++ b/portable/GCC/CORTUS_APS3/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/CORTUS_APS3/portmacro.h b/portable/GCC/CORTUS_APS3/portmacro.h
index 066dda2..31e36b1 100644
--- a/portable/GCC/CORTUS_APS3/portmacro.h
+++ b/portable/GCC/CORTUS_APS3/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ColdFire_V2/port.c b/portable/GCC/ColdFire_V2/port.c
index 5c513ee..5717441 100644
--- a/portable/GCC/ColdFire_V2/port.c
+++ b/portable/GCC/ColdFire_V2/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ColdFire_V2/portasm.S b/portable/GCC/ColdFire_V2/portasm.S
index e929c62..0357faf 100644
--- a/portable/GCC/ColdFire_V2/portasm.S
+++ b/portable/GCC/ColdFire_V2/portasm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/ColdFire_V2/portmacro.h b/portable/GCC/ColdFire_V2/portmacro.h
index eb811f9..cad32f7 100644
--- a/portable/GCC/ColdFire_V2/portmacro.h
+++ b/portable/GCC/ColdFire_V2/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/H8S2329/port.c b/portable/GCC/H8S2329/port.c
index f357a64..199c315 100644
--- a/portable/GCC/H8S2329/port.c
+++ b/portable/GCC/H8S2329/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/H8S2329/portmacro.h b/portable/GCC/H8S2329/portmacro.h
index 27159c2..a56a85c 100644
--- a/portable/GCC/H8S2329/portmacro.h
+++ b/portable/GCC/H8S2329/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/HCS12/port.c b/portable/GCC/HCS12/port.c
index 78b541a..b602978 100644
--- a/portable/GCC/HCS12/port.c
+++ b/portable/GCC/HCS12/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/HCS12/portmacro.h b/portable/GCC/HCS12/portmacro.h
index bbfe2da..2a4b8c0 100644
--- a/portable/GCC/HCS12/portmacro.h
+++ b/portable/GCC/HCS12/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/IA32_flat/ISR_Support.h b/portable/GCC/IA32_flat/ISR_Support.h
index df07dac..98068cc 100644
--- a/portable/GCC/IA32_flat/ISR_Support.h
+++ b/portable/GCC/IA32_flat/ISR_Support.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/IA32_flat/port.c b/portable/GCC/IA32_flat/port.c
index d9f5013..a31611b 100644
--- a/portable/GCC/IA32_flat/port.c
+++ b/portable/GCC/IA32_flat/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/IA32_flat/portASM.S b/portable/GCC/IA32_flat/portASM.S
index af682cd..630277f 100644
--- a/portable/GCC/IA32_flat/portASM.S
+++ b/portable/GCC/IA32_flat/portASM.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/IA32_flat/portmacro.h b/portable/GCC/IA32_flat/portmacro.h
index 5420d65..4a463ce 100644
--- a/portable/GCC/IA32_flat/portmacro.h
+++ b/portable/GCC/IA32_flat/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MSP430F449/port.c b/portable/GCC/MSP430F449/port.c
index 1d2e23f..a3594d8 100644
--- a/portable/GCC/MSP430F449/port.c
+++ b/portable/GCC/MSP430F449/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MSP430F449/portmacro.h b/portable/GCC/MSP430F449/portmacro.h
index e2c0f7e..0570156 100644
--- a/portable/GCC/MSP430F449/portmacro.h
+++ b/portable/GCC/MSP430F449/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MicroBlaze/port.c b/portable/GCC/MicroBlaze/port.c
index 41bd5b8..7bbfb67 100644
--- a/portable/GCC/MicroBlaze/port.c
+++ b/portable/GCC/MicroBlaze/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MicroBlaze/portasm.s b/portable/GCC/MicroBlaze/portasm.s
index ddb525e..f3c846c 100644
--- a/portable/GCC/MicroBlaze/portasm.s
+++ b/portable/GCC/MicroBlaze/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MicroBlaze/portmacro.h b/portable/GCC/MicroBlaze/portmacro.h
index 0c1f0bd..29d2a4d 100644
--- a/portable/GCC/MicroBlaze/portmacro.h
+++ b/portable/GCC/MicroBlaze/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MicroBlazeV8/port.c b/portable/GCC/MicroBlazeV8/port.c
index 03ff93c..3833766 100644
--- a/portable/GCC/MicroBlazeV8/port.c
+++ b/portable/GCC/MicroBlazeV8/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MicroBlazeV8/port_exceptions.c b/portable/GCC/MicroBlazeV8/port_exceptions.c
index 47a639d..83d0203 100644
--- a/portable/GCC/MicroBlazeV8/port_exceptions.c
+++ b/portable/GCC/MicroBlazeV8/port_exceptions.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MicroBlazeV8/portasm.S b/portable/GCC/MicroBlazeV8/portasm.S
index 9243703..cdf746c 100644
--- a/portable/GCC/MicroBlazeV8/portasm.S
+++ b/portable/GCC/MicroBlazeV8/portasm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MicroBlazeV8/portmacro.h b/portable/GCC/MicroBlazeV8/portmacro.h
index 3e96c07..da75430 100644
--- a/portable/GCC/MicroBlazeV8/portmacro.h
+++ b/portable/GCC/MicroBlazeV8/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MicroBlazeV9/port.c b/portable/GCC/MicroBlazeV9/port.c
index 8035415..fc3a214 100644
--- a/portable/GCC/MicroBlazeV9/port.c
+++ b/portable/GCC/MicroBlazeV9/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MicroBlazeV9/port_exceptions.c b/portable/GCC/MicroBlazeV9/port_exceptions.c
index 47a639d..83d0203 100644
--- a/portable/GCC/MicroBlazeV9/port_exceptions.c
+++ b/portable/GCC/MicroBlazeV9/port_exceptions.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MicroBlazeV9/portasm.S b/portable/GCC/MicroBlazeV9/portasm.S
index 9243703..cdf746c 100644
--- a/portable/GCC/MicroBlazeV9/portasm.S
+++ b/portable/GCC/MicroBlazeV9/portasm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/MicroBlazeV9/portmacro.h b/portable/GCC/MicroBlazeV9/portmacro.h
index 3e96c07..da75430 100644
--- a/portable/GCC/MicroBlazeV9/portmacro.h
+++ b/portable/GCC/MicroBlazeV9/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/NiosII/port.c b/portable/GCC/NiosII/port.c
index 1d2da1e..e61b6b3 100644
--- a/portable/GCC/NiosII/port.c
+++ b/portable/GCC/NiosII/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/NiosII/port_asm.S b/portable/GCC/NiosII/port_asm.S
index e04aac1..7c89c5e 100644
--- a/portable/GCC/NiosII/port_asm.S
+++ b/portable/GCC/NiosII/port_asm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/NiosII/portmacro.h b/portable/GCC/NiosII/portmacro.h
index ed2627d..be1662e 100644
--- a/portable/GCC/NiosII/portmacro.h
+++ b/portable/GCC/NiosII/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/PPC405_Xilinx/FPU_Macros.h b/portable/GCC/PPC405_Xilinx/FPU_Macros.h
index dfd1e49..beb9c49 100644
--- a/portable/GCC/PPC405_Xilinx/FPU_Macros.h
+++ b/portable/GCC/PPC405_Xilinx/FPU_Macros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/PPC405_Xilinx/port.c b/portable/GCC/PPC405_Xilinx/port.c
index f0f9b2a..c2f1b90 100644
--- a/portable/GCC/PPC405_Xilinx/port.c
+++ b/portable/GCC/PPC405_Xilinx/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/PPC405_Xilinx/portasm.S b/portable/GCC/PPC405_Xilinx/portasm.S
index 409964f..e480f8c 100644
--- a/portable/GCC/PPC405_Xilinx/portasm.S
+++ b/portable/GCC/PPC405_Xilinx/portasm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/PPC405_Xilinx/portmacro.h b/portable/GCC/PPC405_Xilinx/portmacro.h
index 6d1eb6e..ffc428f 100644
--- a/portable/GCC/PPC405_Xilinx/portmacro.h
+++ b/portable/GCC/PPC405_Xilinx/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/PPC440_Xilinx/FPU_Macros.h b/portable/GCC/PPC440_Xilinx/FPU_Macros.h
index dfd1e49..beb9c49 100644
--- a/portable/GCC/PPC440_Xilinx/FPU_Macros.h
+++ b/portable/GCC/PPC440_Xilinx/FPU_Macros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/PPC440_Xilinx/port.c b/portable/GCC/PPC440_Xilinx/port.c
index ebaa68e..ac05a42 100644
--- a/portable/GCC/PPC440_Xilinx/port.c
+++ b/portable/GCC/PPC440_Xilinx/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/PPC440_Xilinx/portasm.S b/portable/GCC/PPC440_Xilinx/portasm.S
index 409964f..e480f8c 100644
--- a/portable/GCC/PPC440_Xilinx/portasm.S
+++ b/portable/GCC/PPC440_Xilinx/portasm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/PPC440_Xilinx/portmacro.h b/portable/GCC/PPC440_Xilinx/portmacro.h
index 6d1eb6e..ffc428f 100644
--- a/portable/GCC/PPC440_Xilinx/portmacro.h
+++ b/portable/GCC/PPC440_Xilinx/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RISC-V/chip_specific_extensions/Pulpino_Vega_RV32M1RM/freertos_risc_v_chip_specific_extensions.h b/portable/GCC/RISC-V/chip_specific_extensions/Pulpino_Vega_RV32M1RM/freertos_risc_v_chip_specific_extensions.h
index bbf4bf1..a213913 100644
--- a/portable/GCC/RISC-V/chip_specific_extensions/Pulpino_Vega_RV32M1RM/freertos_risc_v_chip_specific_extensions.h
+++ b/portable/GCC/RISC-V/chip_specific_extensions/Pulpino_Vega_RV32M1RM/freertos_risc_v_chip_specific_extensions.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RISC-V/chip_specific_extensions/RV32I_CLINT_no_extensions/freertos_risc_v_chip_specific_extensions.h b/portable/GCC/RISC-V/chip_specific_extensions/RV32I_CLINT_no_extensions/freertos_risc_v_chip_specific_extensions.h
index bd1ba21..61386f5 100644
--- a/portable/GCC/RISC-V/chip_specific_extensions/RV32I_CLINT_no_extensions/freertos_risc_v_chip_specific_extensions.h
+++ b/portable/GCC/RISC-V/chip_specific_extensions/RV32I_CLINT_no_extensions/freertos_risc_v_chip_specific_extensions.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RISC-V/port.c b/portable/GCC/RISC-V/port.c
index 8a8970c..cfae01a 100644
--- a/portable/GCC/RISC-V/port.c
+++ b/portable/GCC/RISC-V/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RISC-V/portASM.S b/portable/GCC/RISC-V/portASM.S
index 8b68684..c0368a2 100644
--- a/portable/GCC/RISC-V/portASM.S
+++ b/portable/GCC/RISC-V/portASM.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RISC-V/portmacro.h b/portable/GCC/RISC-V/portmacro.h
index 89966a3..d8a4324 100644
--- a/portable/GCC/RISC-V/portmacro.h
+++ b/portable/GCC/RISC-V/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RL78/isr_support.h b/portable/GCC/RL78/isr_support.h
index 37a8f3e..a50b2df 100644
--- a/portable/GCC/RL78/isr_support.h
+++ b/portable/GCC/RL78/isr_support.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RL78/port.c b/portable/GCC/RL78/port.c
index 6fc711c..8dd1049 100644
--- a/portable/GCC/RL78/port.c
+++ b/portable/GCC/RL78/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RL78/portasm.S b/portable/GCC/RL78/portasm.S
index 3242f6f..d572d0a 100644
--- a/portable/GCC/RL78/portasm.S
+++ b/portable/GCC/RL78/portasm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RL78/portmacro.h b/portable/GCC/RL78/portmacro.h
index 4d7c5ff..c5e62a4 100644
--- a/portable/GCC/RL78/portmacro.h
+++ b/portable/GCC/RL78/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RX100/port.c b/portable/GCC/RX100/port.c
index d5199d9..6b96378 100644
--- a/portable/GCC/RX100/port.c
+++ b/portable/GCC/RX100/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RX100/portmacro.h b/portable/GCC/RX100/portmacro.h
index 4a78819..c6131d9 100644
--- a/portable/GCC/RX100/portmacro.h
+++ b/portable/GCC/RX100/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RX200/port.c b/portable/GCC/RX200/port.c
index 905a82b..15532d4 100644
--- a/portable/GCC/RX200/port.c
+++ b/portable/GCC/RX200/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RX200/portmacro.h b/portable/GCC/RX200/portmacro.h
index cb66407..281c6f8 100644
--- a/portable/GCC/RX200/portmacro.h
+++ b/portable/GCC/RX200/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RX600/port.c b/portable/GCC/RX600/port.c
index fe01a5a..b71861c 100644
--- a/portable/GCC/RX600/port.c
+++ b/portable/GCC/RX600/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RX600/portmacro.h b/portable/GCC/RX600/portmacro.h
index c392f4a..be1b454 100644
--- a/portable/GCC/RX600/portmacro.h
+++ b/portable/GCC/RX600/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RX600v2/port.c b/portable/GCC/RX600v2/port.c
index d7bb4ed..89e6b9c 100644
--- a/portable/GCC/RX600v2/port.c
+++ b/portable/GCC/RX600v2/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RX600v2/portmacro.h b/portable/GCC/RX600v2/portmacro.h
index c392f4a..be1b454 100644
--- a/portable/GCC/RX600v2/portmacro.h
+++ b/portable/GCC/RX600v2/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RX700v3_DPFPU/port.c b/portable/GCC/RX700v3_DPFPU/port.c
index 1a77b58..e390185 100644
--- a/portable/GCC/RX700v3_DPFPU/port.c
+++ b/portable/GCC/RX700v3_DPFPU/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/RX700v3_DPFPU/portmacro.h b/portable/GCC/RX700v3_DPFPU/portmacro.h
index 9f0f50e..cbfb690 100644
--- a/portable/GCC/RX700v3_DPFPU/portmacro.h
+++ b/portable/GCC/RX700v3_DPFPU/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/STR75x/port.c b/portable/GCC/STR75x/port.c
index 0594172..22e0899 100644
--- a/portable/GCC/STR75x/port.c
+++ b/portable/GCC/STR75x/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/STR75x/portISR.c b/portable/GCC/STR75x/portISR.c
index f2a6f02..bbaf8d3 100644
--- a/portable/GCC/STR75x/portISR.c
+++ b/portable/GCC/STR75x/portISR.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/STR75x/portmacro.h b/portable/GCC/STR75x/portmacro.h
index 825620f..17ce007 100644
--- a/portable/GCC/STR75x/portmacro.h
+++ b/portable/GCC/STR75x/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/TriCore_1782/port.c b/portable/GCC/TriCore_1782/port.c
index 3d8c32d..5f9b833 100644
--- a/portable/GCC/TriCore_1782/port.c
+++ b/portable/GCC/TriCore_1782/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/TriCore_1782/portmacro.h b/portable/GCC/TriCore_1782/portmacro.h
index c7cba6d..9a9bab9 100644
--- a/portable/GCC/TriCore_1782/portmacro.h
+++ b/portable/GCC/TriCore_1782/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/GCC/TriCore_1782/porttrap.c b/portable/GCC/TriCore_1782/porttrap.c
index a53e95f..cf0c3d3 100644
--- a/portable/GCC/TriCore_1782/porttrap.c
+++ b/portable/GCC/TriCore_1782/porttrap.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/78K0R/ISR_Support.h b/portable/IAR/78K0R/ISR_Support.h
index 9e39621..5e742f1 100644
--- a/portable/IAR/78K0R/ISR_Support.h
+++ b/portable/IAR/78K0R/ISR_Support.h
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/78K0R/port.c b/portable/IAR/78K0R/port.c
index fea8b79..5b196e8 100644
--- a/portable/IAR/78K0R/port.c
+++ b/portable/IAR/78K0R/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/78K0R/portasm.s26 b/portable/IAR/78K0R/portasm.s26
index 408f18b..056f9a8 100644
--- a/portable/IAR/78K0R/portasm.s26
+++ b/portable/IAR/78K0R/portasm.s26
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/78K0R/portmacro.h b/portable/IAR/78K0R/portmacro.h
index 9d1a5c2..9dd61d5 100644
--- a/portable/IAR/78K0R/portmacro.h
+++ b/portable/IAR/78K0R/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CA5_No_GIC/port.c b/portable/IAR/ARM_CA5_No_GIC/port.c
index 47f88af..bf074d7 100644
--- a/portable/IAR/ARM_CA5_No_GIC/port.c
+++ b/portable/IAR/ARM_CA5_No_GIC/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CA5_No_GIC/portASM.h b/portable/IAR/ARM_CA5_No_GIC/portASM.h
index 6a7709c..9b1398f 100644
--- a/portable/IAR/ARM_CA5_No_GIC/portASM.h
+++ b/portable/IAR/ARM_CA5_No_GIC/portASM.h
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CA5_No_GIC/portASM.s b/portable/IAR/ARM_CA5_No_GIC/portASM.s
index 115b705..081c85c 100644
--- a/portable/IAR/ARM_CA5_No_GIC/portASM.s
+++ b/portable/IAR/ARM_CA5_No_GIC/portASM.s
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CA5_No_GIC/portmacro.h b/portable/IAR/ARM_CA5_No_GIC/portmacro.h
index 66fb730..71d2257 100644
--- a/portable/IAR/ARM_CA5_No_GIC/portmacro.h
+++ b/portable/IAR/ARM_CA5_No_GIC/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CA9/port.c b/portable/IAR/ARM_CA9/port.c
index eb396a2..a3dbb21 100644
--- a/portable/IAR/ARM_CA9/port.c
+++ b/portable/IAR/ARM_CA9/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CA9/portASM.h b/portable/IAR/ARM_CA9/portASM.h
index 4170c2e..0e08676 100644
--- a/portable/IAR/ARM_CA9/portASM.h
+++ b/portable/IAR/ARM_CA9/portASM.h
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CA9/portASM.s b/portable/IAR/ARM_CA9/portASM.s
index 0186eb4..4983d69 100644
--- a/portable/IAR/ARM_CA9/portASM.s
+++ b/portable/IAR/ARM_CA9/portASM.s
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CA9/portmacro.h b/portable/IAR/ARM_CA9/portmacro.h
index dd78c1a..ae25038 100644
--- a/portable/IAR/ARM_CA9/portmacro.h
+++ b/portable/IAR/ARM_CA9/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM0/port.c b/portable/IAR/ARM_CM0/port.c
index 39d7451..cc49a83 100644
--- a/portable/IAR/ARM_CM0/port.c
+++ b/portable/IAR/ARM_CM0/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM0/portasm.s b/portable/IAR/ARM_CM0/portasm.s
index f1fdc17..f2717b5 100644
--- a/portable/IAR/ARM_CM0/portasm.s
+++ b/portable/IAR/ARM_CM0/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM0/portmacro.h b/portable/IAR/ARM_CM0/portmacro.h
index 5c5cab7..567b150 100644
--- a/portable/IAR/ARM_CM0/portmacro.h
+++ b/portable/IAR/ARM_CM0/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/non_secure/port.c b/portable/IAR/ARM_CM23/non_secure/port.c
index 852a11c..ee066a7 100644
--- a/portable/IAR/ARM_CM23/non_secure/port.c
+++ b/portable/IAR/ARM_CM23/non_secure/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/non_secure/portasm.h b/portable/IAR/ARM_CM23/non_secure/portasm.h
index b01f171..5724a69 100644
--- a/portable/IAR/ARM_CM23/non_secure/portasm.h
+++ b/portable/IAR/ARM_CM23/non_secure/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/non_secure/portasm.s b/portable/IAR/ARM_CM23/non_secure/portasm.s
index 8003b45..a62cc7f 100644
--- a/portable/IAR/ARM_CM23/non_secure/portasm.s
+++ b/portable/IAR/ARM_CM23/non_secure/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/non_secure/portmacro.h b/portable/IAR/ARM_CM23/non_secure/portmacro.h
index c19092e..93e8cf6 100644
--- a/portable/IAR/ARM_CM23/non_secure/portmacro.h
+++ b/portable/IAR/ARM_CM23/non_secure/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/secure/secure_context.c b/portable/IAR/ARM_CM23/secure/secure_context.c
index 046bf4e..6f8edd4 100644
--- a/portable/IAR/ARM_CM23/secure/secure_context.c
+++ b/portable/IAR/ARM_CM23/secure/secure_context.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/secure/secure_context.h b/portable/IAR/ARM_CM23/secure/secure_context.h
index 532a407..c5364a5 100644
--- a/portable/IAR/ARM_CM23/secure/secure_context.h
+++ b/portable/IAR/ARM_CM23/secure/secure_context.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/secure/secure_context_port.c b/portable/IAR/ARM_CM23/secure/secure_context_port.c
index 455b90c..3ffce16 100644
--- a/portable/IAR/ARM_CM23/secure/secure_context_port.c
+++ b/portable/IAR/ARM_CM23/secure/secure_context_port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/secure/secure_context_port_asm.s b/portable/IAR/ARM_CM23/secure/secure_context_port_asm.s
index 1f793f2..df112e2 100644
--- a/portable/IAR/ARM_CM23/secure/secure_context_port_asm.s
+++ b/portable/IAR/ARM_CM23/secure/secure_context_port_asm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/secure/secure_heap.c b/portable/IAR/ARM_CM23/secure/secure_heap.c
index 82dbd9e..67a4f8e 100644
--- a/portable/IAR/ARM_CM23/secure/secure_heap.c
+++ b/portable/IAR/ARM_CM23/secure/secure_heap.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/secure/secure_heap.h b/portable/IAR/ARM_CM23/secure/secure_heap.h
index fa78046..e99cc15 100644
--- a/portable/IAR/ARM_CM23/secure/secure_heap.h
+++ b/portable/IAR/ARM_CM23/secure/secure_heap.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/secure/secure_init.c b/portable/IAR/ARM_CM23/secure/secure_init.c
index 4e6018d..cb1a931 100644
--- a/portable/IAR/ARM_CM23/secure/secure_init.c
+++ b/portable/IAR/ARM_CM23/secure/secure_init.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/secure/secure_init.h b/portable/IAR/ARM_CM23/secure/secure_init.h
index 39deb36..81b1e84 100644
--- a/portable/IAR/ARM_CM23/secure/secure_init.h
+++ b/portable/IAR/ARM_CM23/secure/secure_init.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23/secure/secure_port_macros.h b/portable/IAR/ARM_CM23/secure/secure_port_macros.h
index 7b8dbed..c1cf003 100644
--- a/portable/IAR/ARM_CM23/secure/secure_port_macros.h
+++ b/portable/IAR/ARM_CM23/secure/secure_port_macros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23_NTZ/non_secure/port.c b/portable/IAR/ARM_CM23_NTZ/non_secure/port.c
index 852a11c..ee066a7 100644
--- a/portable/IAR/ARM_CM23_NTZ/non_secure/port.c
+++ b/portable/IAR/ARM_CM23_NTZ/non_secure/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23_NTZ/non_secure/portasm.h b/portable/IAR/ARM_CM23_NTZ/non_secure/portasm.h
index b01f171..5724a69 100644
--- a/portable/IAR/ARM_CM23_NTZ/non_secure/portasm.h
+++ b/portable/IAR/ARM_CM23_NTZ/non_secure/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23_NTZ/non_secure/portasm.s b/portable/IAR/ARM_CM23_NTZ/non_secure/portasm.s
index 6e911bd..86abaac 100644
--- a/portable/IAR/ARM_CM23_NTZ/non_secure/portasm.s
+++ b/portable/IAR/ARM_CM23_NTZ/non_secure/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM23_NTZ/non_secure/portmacro.h b/portable/IAR/ARM_CM23_NTZ/non_secure/portmacro.h
index 69aea60..2b4b371 100644
--- a/portable/IAR/ARM_CM23_NTZ/non_secure/portmacro.h
+++ b/portable/IAR/ARM_CM23_NTZ/non_secure/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM3/port.c b/portable/IAR/ARM_CM3/port.c
index 3066af4..2966ec7 100644
--- a/portable/IAR/ARM_CM3/port.c
+++ b/portable/IAR/ARM_CM3/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM3/portasm.s b/portable/IAR/ARM_CM3/portasm.s
index 7c8676c..798adec 100644
--- a/portable/IAR/ARM_CM3/portasm.s
+++ b/portable/IAR/ARM_CM3/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM3/portmacro.h b/portable/IAR/ARM_CM3/portmacro.h
index 20aec7f..32fed9e 100644
--- a/portable/IAR/ARM_CM3/portmacro.h
+++ b/portable/IAR/ARM_CM3/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/non_secure/port.c b/portable/IAR/ARM_CM33/non_secure/port.c
index 852a11c..ee066a7 100644
--- a/portable/IAR/ARM_CM33/non_secure/port.c
+++ b/portable/IAR/ARM_CM33/non_secure/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/non_secure/portasm.h b/portable/IAR/ARM_CM33/non_secure/portasm.h
index b01f171..5724a69 100644
--- a/portable/IAR/ARM_CM33/non_secure/portasm.h
+++ b/portable/IAR/ARM_CM33/non_secure/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/non_secure/portasm.s b/portable/IAR/ARM_CM33/non_secure/portasm.s
index 6b125b2..5f9f469 100644
--- a/portable/IAR/ARM_CM33/non_secure/portasm.s
+++ b/portable/IAR/ARM_CM33/non_secure/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/non_secure/portmacro.h b/portable/IAR/ARM_CM33/non_secure/portmacro.h
index d67f7ab..edb9312 100644
--- a/portable/IAR/ARM_CM33/non_secure/portmacro.h
+++ b/portable/IAR/ARM_CM33/non_secure/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/secure/secure_context.c b/portable/IAR/ARM_CM33/secure/secure_context.c
index 046bf4e..6f8edd4 100644
--- a/portable/IAR/ARM_CM33/secure/secure_context.c
+++ b/portable/IAR/ARM_CM33/secure/secure_context.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/secure/secure_context.h b/portable/IAR/ARM_CM33/secure/secure_context.h
index 532a407..c5364a5 100644
--- a/portable/IAR/ARM_CM33/secure/secure_context.h
+++ b/portable/IAR/ARM_CM33/secure/secure_context.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/secure/secure_context_port.c b/portable/IAR/ARM_CM33/secure/secure_context_port.c
index 455b90c..3ffce16 100644
--- a/portable/IAR/ARM_CM33/secure/secure_context_port.c
+++ b/portable/IAR/ARM_CM33/secure/secure_context_port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/secure/secure_context_port_asm.s b/portable/IAR/ARM_CM33/secure/secure_context_port_asm.s
index d2c599d..5265c64 100644
--- a/portable/IAR/ARM_CM33/secure/secure_context_port_asm.s
+++ b/portable/IAR/ARM_CM33/secure/secure_context_port_asm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/secure/secure_heap.c b/portable/IAR/ARM_CM33/secure/secure_heap.c
index 82dbd9e..67a4f8e 100644
--- a/portable/IAR/ARM_CM33/secure/secure_heap.c
+++ b/portable/IAR/ARM_CM33/secure/secure_heap.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/secure/secure_heap.h b/portable/IAR/ARM_CM33/secure/secure_heap.h
index fa78046..e99cc15 100644
--- a/portable/IAR/ARM_CM33/secure/secure_heap.h
+++ b/portable/IAR/ARM_CM33/secure/secure_heap.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/secure/secure_init.c b/portable/IAR/ARM_CM33/secure/secure_init.c
index 4e6018d..cb1a931 100644
--- a/portable/IAR/ARM_CM33/secure/secure_init.c
+++ b/portable/IAR/ARM_CM33/secure/secure_init.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/secure/secure_init.h b/portable/IAR/ARM_CM33/secure/secure_init.h
index 39deb36..81b1e84 100644
--- a/portable/IAR/ARM_CM33/secure/secure_init.h
+++ b/portable/IAR/ARM_CM33/secure/secure_init.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33/secure/secure_port_macros.h b/portable/IAR/ARM_CM33/secure/secure_port_macros.h
index 7b8dbed..c1cf003 100644
--- a/portable/IAR/ARM_CM33/secure/secure_port_macros.h
+++ b/portable/IAR/ARM_CM33/secure/secure_port_macros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33_NTZ/non_secure/port.c b/portable/IAR/ARM_CM33_NTZ/non_secure/port.c
index 852a11c..ee066a7 100644
--- a/portable/IAR/ARM_CM33_NTZ/non_secure/port.c
+++ b/portable/IAR/ARM_CM33_NTZ/non_secure/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.h b/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.h
index b01f171..5724a69 100644
--- a/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.h
+++ b/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.s b/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.s
index b65f0f4..5de5352 100644
--- a/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.s
+++ b/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM33_NTZ/non_secure/portmacro.h b/portable/IAR/ARM_CM33_NTZ/non_secure/portmacro.h
index d67f7ab..edb9312 100644
--- a/portable/IAR/ARM_CM33_NTZ/non_secure/portmacro.h
+++ b/portable/IAR/ARM_CM33_NTZ/non_secure/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM4F/port.c b/portable/IAR/ARM_CM4F/port.c
index 3da7fe2..311fb66 100644
--- a/portable/IAR/ARM_CM4F/port.c
+++ b/portable/IAR/ARM_CM4F/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM4F/portasm.s b/portable/IAR/ARM_CM4F/portasm.s
index 768b62f..59d1ae5 100644
--- a/portable/IAR/ARM_CM4F/portasm.s
+++ b/portable/IAR/ARM_CM4F/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM4F/portmacro.h b/portable/IAR/ARM_CM4F/portmacro.h
index 360ad1d..27af9bb 100644
--- a/portable/IAR/ARM_CM4F/portmacro.h
+++ b/portable/IAR/ARM_CM4F/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM4F_MPU/port.c b/portable/IAR/ARM_CM4F_MPU/port.c
index 56ff07c..e8edd53 100644
--- a/portable/IAR/ARM_CM4F_MPU/port.c
+++ b/portable/IAR/ARM_CM4F_MPU/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM4F_MPU/portasm.s b/portable/IAR/ARM_CM4F_MPU/portasm.s
index e86f5dc..1bc32af 100644
--- a/portable/IAR/ARM_CM4F_MPU/portasm.s
+++ b/portable/IAR/ARM_CM4F_MPU/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM4F_MPU/portmacro.h b/portable/IAR/ARM_CM4F_MPU/portmacro.h
index 7a7f20d..e9c8d2c 100644
--- a/portable/IAR/ARM_CM4F_MPU/portmacro.h
+++ b/portable/IAR/ARM_CM4F_MPU/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM7/r0p1/port.c b/portable/IAR/ARM_CM7/r0p1/port.c
index 9dbec79..2eef697 100644
--- a/portable/IAR/ARM_CM7/r0p1/port.c
+++ b/portable/IAR/ARM_CM7/r0p1/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM7/r0p1/portasm.s b/portable/IAR/ARM_CM7/r0p1/portasm.s
index 786e0c9..0c3f110 100644
--- a/portable/IAR/ARM_CM7/r0p1/portasm.s
+++ b/portable/IAR/ARM_CM7/r0p1/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CM7/r0p1/portmacro.h b/portable/IAR/ARM_CM7/r0p1/portmacro.h
index cc1abde..e790866 100644
--- a/portable/IAR/ARM_CM7/r0p1/portmacro.h
+++ b/portable/IAR/ARM_CM7/r0p1/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CRx_No_GIC/port.c b/portable/IAR/ARM_CRx_No_GIC/port.c
index abcc155..56e0846 100644
--- a/portable/IAR/ARM_CRx_No_GIC/port.c
+++ b/portable/IAR/ARM_CRx_No_GIC/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CRx_No_GIC/portASM.s b/portable/IAR/ARM_CRx_No_GIC/portASM.s
index 3c9f0f8..5aa6a36 100644
--- a/portable/IAR/ARM_CRx_No_GIC/portASM.s
+++ b/portable/IAR/ARM_CRx_No_GIC/portASM.s
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ARM_CRx_No_GIC/portmacro.h b/portable/IAR/ARM_CRx_No_GIC/portmacro.h
index ec516cc..d3d90c1 100644
--- a/portable/IAR/ARM_CRx_No_GIC/portmacro.h
+++ b/portable/IAR/ARM_CRx_No_GIC/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ATMega323/port.c b/portable/IAR/ATMega323/port.c
index d04a293..92b9d51 100644
--- a/portable/IAR/ATMega323/port.c
+++ b/portable/IAR/ATMega323/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ATMega323/portmacro.h b/portable/IAR/ATMega323/portmacro.h
index 97695e2..3c4f873 100644
--- a/portable/IAR/ATMega323/portmacro.h
+++ b/portable/IAR/ATMega323/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/ATMega323/portmacro.s90 b/portable/IAR/ATMega323/portmacro.s90
index 35f5828..1f5e5f3 100644
--- a/portable/IAR/ATMega323/portmacro.s90
+++ b/portable/IAR/ATMega323/portmacro.s90
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AVR32_UC3/port.c b/portable/IAR/AVR32_UC3/port.c
index c5dab49..63c5ff3 100644
--- a/portable/IAR/AVR32_UC3/port.c
+++ b/portable/IAR/AVR32_UC3/port.c
@@ -14,7 +14,7 @@
  *****************************************************************************/
 
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AVR32_UC3/portmacro.h b/portable/IAR/AVR32_UC3/portmacro.h
index 8961f46..fa48b63 100644
--- a/portable/IAR/AVR32_UC3/portmacro.h
+++ b/portable/IAR/AVR32_UC3/portmacro.h
@@ -14,7 +14,7 @@
  *****************************************************************************/
 
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AVR_AVRDx/port.c b/portable/IAR/AVR_AVRDx/port.c
index e72f0ae..f0b5f45 100644
--- a/portable/IAR/AVR_AVRDx/port.c
+++ b/portable/IAR/AVR_AVRDx/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AVR_AVRDx/portmacro.h b/portable/IAR/AVR_AVRDx/portmacro.h
index c0bc803..8100d06 100644
--- a/portable/IAR/AVR_AVRDx/portmacro.h
+++ b/portable/IAR/AVR_AVRDx/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AVR_AVRDx/portmacro.s90 b/portable/IAR/AVR_AVRDx/portmacro.s90
index 27400d5..b87a4fc 100644
--- a/portable/IAR/AVR_AVRDx/portmacro.s90
+++ b/portable/IAR/AVR_AVRDx/portmacro.s90
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AVR_Mega0/port.c b/portable/IAR/AVR_Mega0/port.c
index 8520d41..58e23f6 100644
--- a/portable/IAR/AVR_Mega0/port.c
+++ b/portable/IAR/AVR_Mega0/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AVR_Mega0/portmacro.h b/portable/IAR/AVR_Mega0/portmacro.h
index c0bc803..8100d06 100644
--- a/portable/IAR/AVR_Mega0/portmacro.h
+++ b/portable/IAR/AVR_Mega0/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AVR_Mega0/portmacro.s90 b/portable/IAR/AVR_Mega0/portmacro.s90
index 6ffbef0..1801d47 100644
--- a/portable/IAR/AVR_Mega0/portmacro.s90
+++ b/portable/IAR/AVR_Mega0/portmacro.s90
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AtmelSAM7S64/ISR_Support.h b/portable/IAR/AtmelSAM7S64/ISR_Support.h
index f16c592..3a1aa73 100644
--- a/portable/IAR/AtmelSAM7S64/ISR_Support.h
+++ b/portable/IAR/AtmelSAM7S64/ISR_Support.h
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AtmelSAM7S64/port.c b/portable/IAR/AtmelSAM7S64/port.c
index b3dc0c9..979f200 100644
--- a/portable/IAR/AtmelSAM7S64/port.c
+++ b/portable/IAR/AtmelSAM7S64/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AtmelSAM7S64/portasm.s79 b/portable/IAR/AtmelSAM7S64/portasm.s79
index b2f5a3f..86a89ff 100644
--- a/portable/IAR/AtmelSAM7S64/portasm.s79
+++ b/portable/IAR/AtmelSAM7S64/portasm.s79
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AtmelSAM7S64/portmacro.h b/portable/IAR/AtmelSAM7S64/portmacro.h
index 16bb707..1e0b9d7 100644
--- a/portable/IAR/AtmelSAM7S64/portmacro.h
+++ b/portable/IAR/AtmelSAM7S64/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AtmelSAM9XE/port.c b/portable/IAR/AtmelSAM9XE/port.c
index 8e65038..a5156da 100644
--- a/portable/IAR/AtmelSAM9XE/port.c
+++ b/portable/IAR/AtmelSAM9XE/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/AtmelSAM9XE/portmacro.h b/portable/IAR/AtmelSAM9XE/portmacro.h
index e9d62cd..d7e4908 100644
--- a/portable/IAR/AtmelSAM9XE/portmacro.h
+++ b/portable/IAR/AtmelSAM9XE/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/LPC2000/ISR_Support.h b/portable/IAR/LPC2000/ISR_Support.h
index f16c592..3a1aa73 100644
--- a/portable/IAR/LPC2000/ISR_Support.h
+++ b/portable/IAR/LPC2000/ISR_Support.h
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/LPC2000/port.c b/portable/IAR/LPC2000/port.c
index 0be2c0b..6c2e87c 100644
--- a/portable/IAR/LPC2000/port.c
+++ b/portable/IAR/LPC2000/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/LPC2000/portasm.s79 b/portable/IAR/LPC2000/portasm.s79
index f25a57c..fe95f9d 100644
--- a/portable/IAR/LPC2000/portasm.s79
+++ b/portable/IAR/LPC2000/portasm.s79
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/LPC2000/portmacro.h b/portable/IAR/LPC2000/portmacro.h
index d386903..5f55a61 100644
--- a/portable/IAR/LPC2000/portmacro.h
+++ b/portable/IAR/LPC2000/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/MSP430/port.c b/portable/IAR/MSP430/port.c
index 3c8cfc3..4621904 100644
--- a/portable/IAR/MSP430/port.c
+++ b/portable/IAR/MSP430/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/MSP430/portasm.h b/portable/IAR/MSP430/portasm.h
index 4e726d3..cc069aa 100644
--- a/portable/IAR/MSP430/portasm.h
+++ b/portable/IAR/MSP430/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/MSP430/portext.s43 b/portable/IAR/MSP430/portext.s43
index ee747f3..d2ff0da 100644
--- a/portable/IAR/MSP430/portext.s43
+++ b/portable/IAR/MSP430/portext.s43
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/MSP430/portmacro.h b/portable/IAR/MSP430/portmacro.h
index ca5852d..9b134e6 100644
--- a/portable/IAR/MSP430/portmacro.h
+++ b/portable/IAR/MSP430/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/MSP430X/data_model.h b/portable/IAR/MSP430X/data_model.h
index 89d871d..39ca147 100644
--- a/portable/IAR/MSP430X/data_model.h
+++ b/portable/IAR/MSP430X/data_model.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/MSP430X/port.c b/portable/IAR/MSP430X/port.c
index a6feab8..368ad73 100644
--- a/portable/IAR/MSP430X/port.c
+++ b/portable/IAR/MSP430X/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/MSP430X/portext.s43 b/portable/IAR/MSP430X/portext.s43
index a1eede9..5a1832f 100644
--- a/portable/IAR/MSP430X/portext.s43
+++ b/portable/IAR/MSP430X/portext.s43
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/MSP430X/portmacro.h b/portable/IAR/MSP430X/portmacro.h
index 89f1689..f76299c 100644
--- a/portable/IAR/MSP430X/portmacro.h
+++ b/portable/IAR/MSP430X/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RISC-V/chip_specific_extensions/RV32I_CLINT_no_extensions/freertos_risc_v_chip_specific_extensions.h b/portable/IAR/RISC-V/chip_specific_extensions/RV32I_CLINT_no_extensions/freertos_risc_v_chip_specific_extensions.h
index 37edd6a..2d92da1 100644
--- a/portable/IAR/RISC-V/chip_specific_extensions/RV32I_CLINT_no_extensions/freertos_risc_v_chip_specific_extensions.h
+++ b/portable/IAR/RISC-V/chip_specific_extensions/RV32I_CLINT_no_extensions/freertos_risc_v_chip_specific_extensions.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RISC-V/port.c b/portable/IAR/RISC-V/port.c
index e4123df..d2fb2e5 100644
--- a/portable/IAR/RISC-V/port.c
+++ b/portable/IAR/RISC-V/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RISC-V/portASM.s b/portable/IAR/RISC-V/portASM.s
index b2beaae..90e3574 100644
--- a/portable/IAR/RISC-V/portASM.s
+++ b/portable/IAR/RISC-V/portASM.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RISC-V/portmacro.h b/portable/IAR/RISC-V/portmacro.h
index b99c05a..a7d95b3 100644
--- a/portable/IAR/RISC-V/portmacro.h
+++ b/portable/IAR/RISC-V/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RL78/ISR_Support.h b/portable/IAR/RL78/ISR_Support.h
index 3ca3b85..a6d1955 100644
--- a/portable/IAR/RL78/ISR_Support.h
+++ b/portable/IAR/RL78/ISR_Support.h
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RL78/port.c b/portable/IAR/RL78/port.c
index 0247213..af4ca14 100644
--- a/portable/IAR/RL78/port.c
+++ b/portable/IAR/RL78/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RL78/portasm.s87 b/portable/IAR/RL78/portasm.s87
index 4f23f45..ee6f482 100644
--- a/portable/IAR/RL78/portasm.s87
+++ b/portable/IAR/RL78/portasm.s87
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RL78/portmacro.h b/portable/IAR/RL78/portmacro.h
index 5de10f6..eb9cb32 100644
--- a/portable/IAR/RL78/portmacro.h
+++ b/portable/IAR/RL78/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RX100/port.c b/portable/IAR/RX100/port.c
index 6677dd6..5234616 100644
--- a/portable/IAR/RX100/port.c
+++ b/portable/IAR/RX100/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RX100/port_asm.s b/portable/IAR/RX100/port_asm.s
index dcf184d..27f0880 100644
--- a/portable/IAR/RX100/port_asm.s
+++ b/portable/IAR/RX100/port_asm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RX100/portmacro.h b/portable/IAR/RX100/portmacro.h
index 1dce67f..0ec8d3d 100644
--- a/portable/IAR/RX100/portmacro.h
+++ b/portable/IAR/RX100/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RX600/port.c b/portable/IAR/RX600/port.c
index 29af0f4..41d5777 100644
--- a/portable/IAR/RX600/port.c
+++ b/portable/IAR/RX600/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RX600/port_asm.s b/portable/IAR/RX600/port_asm.s
index f0b7690..c6a9680 100644
--- a/portable/IAR/RX600/port_asm.s
+++ b/portable/IAR/RX600/port_asm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RX600/portmacro.h b/portable/IAR/RX600/portmacro.h
index 26c581e..f493fd6 100644
--- a/portable/IAR/RX600/portmacro.h
+++ b/portable/IAR/RX600/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RX700v3_DPFPU/port.c b/portable/IAR/RX700v3_DPFPU/port.c
index 83a5f40..efe129b 100644
--- a/portable/IAR/RX700v3_DPFPU/port.c
+++ b/portable/IAR/RX700v3_DPFPU/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RX700v3_DPFPU/portmacro.h b/portable/IAR/RX700v3_DPFPU/portmacro.h
index a86b2c9..cd6d5d6 100644
--- a/portable/IAR/RX700v3_DPFPU/portmacro.h
+++ b/portable/IAR/RX700v3_DPFPU/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RXv2/port.c b/portable/IAR/RXv2/port.c
index fd81f5d..3851b7c 100644
--- a/portable/IAR/RXv2/port.c
+++ b/portable/IAR/RXv2/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RXv2/port_asm.s b/portable/IAR/RXv2/port_asm.s
index 5313755..bc086be 100644
--- a/portable/IAR/RXv2/port_asm.s
+++ b/portable/IAR/RXv2/port_asm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/RXv2/portmacro.h b/portable/IAR/RXv2/portmacro.h
index 867317a..d92fcd8 100644
--- a/portable/IAR/RXv2/portmacro.h
+++ b/portable/IAR/RXv2/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/STR71x/ISR_Support.h b/portable/IAR/STR71x/ISR_Support.h
index f16c592..3a1aa73 100644
--- a/portable/IAR/STR71x/ISR_Support.h
+++ b/portable/IAR/STR71x/ISR_Support.h
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/STR71x/port.c b/portable/IAR/STR71x/port.c
index 88a1a21..2095ba8 100644
--- a/portable/IAR/STR71x/port.c
+++ b/portable/IAR/STR71x/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/STR71x/portasm.s79 b/portable/IAR/STR71x/portasm.s79
index 943b814..f05a2ae 100644
--- a/portable/IAR/STR71x/portasm.s79
+++ b/portable/IAR/STR71x/portasm.s79
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/STR71x/portmacro.h b/portable/IAR/STR71x/portmacro.h
index 5e75a1d..36b85be 100644
--- a/portable/IAR/STR71x/portmacro.h
+++ b/portable/IAR/STR71x/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/STR75x/ISR_Support.h b/portable/IAR/STR75x/ISR_Support.h
index f16c592..3a1aa73 100644
--- a/portable/IAR/STR75x/ISR_Support.h
+++ b/portable/IAR/STR75x/ISR_Support.h
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/STR75x/port.c b/portable/IAR/STR75x/port.c
index 49871fe..5764a0e 100644
--- a/portable/IAR/STR75x/port.c
+++ b/portable/IAR/STR75x/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/STR75x/portasm.s79 b/portable/IAR/STR75x/portasm.s79
index df40a70..2d30b24 100644
--- a/portable/IAR/STR75x/portasm.s79
+++ b/portable/IAR/STR75x/portasm.s79
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/STR75x/portmacro.h b/portable/IAR/STR75x/portmacro.h
index 89652b1..43d4aa2 100644
--- a/portable/IAR/STR75x/portmacro.h
+++ b/portable/IAR/STR75x/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/STR91x/ISR_Support.h b/portable/IAR/STR91x/ISR_Support.h
index a4f3544..e445f97 100644
--- a/portable/IAR/STR91x/ISR_Support.h
+++ b/portable/IAR/STR91x/ISR_Support.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/STR91x/port.c b/portable/IAR/STR91x/port.c
index 59cd0a7..995b650 100644
--- a/portable/IAR/STR91x/port.c
+++ b/portable/IAR/STR91x/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/STR91x/portasm.s79 b/portable/IAR/STR91x/portasm.s79
index 146d8d7..1601e21 100644
--- a/portable/IAR/STR91x/portasm.s79
+++ b/portable/IAR/STR91x/portasm.s79
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/STR91x/portmacro.h b/portable/IAR/STR91x/portmacro.h
index 4940934..119f034 100644
--- a/portable/IAR/STR91x/portmacro.h
+++ b/portable/IAR/STR91x/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/V850ES/ISR_Support.h b/portable/IAR/V850ES/ISR_Support.h
index f1f97ee..8ac0474 100644
--- a/portable/IAR/V850ES/ISR_Support.h
+++ b/portable/IAR/V850ES/ISR_Support.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/V850ES/port.c b/portable/IAR/V850ES/port.c
index 2172f54..01dd572 100644
--- a/portable/IAR/V850ES/port.c
+++ b/portable/IAR/V850ES/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/V850ES/portasm.s85 b/portable/IAR/V850ES/portasm.s85
index aca09de..b1937db 100644
--- a/portable/IAR/V850ES/portasm.s85
+++ b/portable/IAR/V850ES/portasm.s85
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/V850ES/portasm_Fx3.s85 b/portable/IAR/V850ES/portasm_Fx3.s85
index f8cd6f2..2c2ea68 100644
--- a/portable/IAR/V850ES/portasm_Fx3.s85
+++ b/portable/IAR/V850ES/portasm_Fx3.s85
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/V850ES/portasm_Hx2.s85 b/portable/IAR/V850ES/portasm_Hx2.s85
index cc831bb..79c94ee 100644
--- a/portable/IAR/V850ES/portasm_Hx2.s85
+++ b/portable/IAR/V850ES/portasm_Hx2.s85
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/IAR/V850ES/portmacro.h b/portable/IAR/V850ES/portmacro.h
index 2e3a238..3e169e4 100644
--- a/portable/IAR/V850ES/portmacro.h
+++ b/portable/IAR/V850ES/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC18F/port.c b/portable/MPLAB/PIC18F/port.c
index b255007..4980975 100644
--- a/portable/MPLAB/PIC18F/port.c
+++ b/portable/MPLAB/PIC18F/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC18F/portmacro.h b/portable/MPLAB/PIC18F/portmacro.h
index e194736..91d1291 100644
--- a/portable/MPLAB/PIC18F/portmacro.h
+++ b/portable/MPLAB/PIC18F/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC24_dsPIC/port.c b/portable/MPLAB/PIC24_dsPIC/port.c
index fc43c62..27c977b 100644
--- a/portable/MPLAB/PIC24_dsPIC/port.c
+++ b/portable/MPLAB/PIC24_dsPIC/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC24_dsPIC/portasm_PIC24.S b/portable/MPLAB/PIC24_dsPIC/portasm_PIC24.S
index 87e8a2c..631f6a1 100644
--- a/portable/MPLAB/PIC24_dsPIC/portasm_PIC24.S
+++ b/portable/MPLAB/PIC24_dsPIC/portasm_PIC24.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC24_dsPIC/portasm_dsPIC.S b/portable/MPLAB/PIC24_dsPIC/portasm_dsPIC.S
index f9273b4..2892476 100644
--- a/portable/MPLAB/PIC24_dsPIC/portasm_dsPIC.S
+++ b/portable/MPLAB/PIC24_dsPIC/portasm_dsPIC.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC24_dsPIC/portmacro.h b/portable/MPLAB/PIC24_dsPIC/portmacro.h
index b237d2d..603fb31 100644
--- a/portable/MPLAB/PIC24_dsPIC/portmacro.h
+++ b/portable/MPLAB/PIC24_dsPIC/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC32MEC14xx/ISR_Support.h b/portable/MPLAB/PIC32MEC14xx/ISR_Support.h
index c5047d7..8320c9b 100644
--- a/portable/MPLAB/PIC32MEC14xx/ISR_Support.h
+++ b/portable/MPLAB/PIC32MEC14xx/ISR_Support.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC32MEC14xx/port.c b/portable/MPLAB/PIC32MEC14xx/port.c
index 108f263..aae6087 100644
--- a/portable/MPLAB/PIC32MEC14xx/port.c
+++ b/portable/MPLAB/PIC32MEC14xx/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC32MEC14xx/port_asm.S b/portable/MPLAB/PIC32MEC14xx/port_asm.S
index fea9443..0f216a6 100644
--- a/portable/MPLAB/PIC32MEC14xx/port_asm.S
+++ b/portable/MPLAB/PIC32MEC14xx/port_asm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC32MEC14xx/portmacro.h b/portable/MPLAB/PIC32MEC14xx/portmacro.h
index e6552c9..ce07298 100644
--- a/portable/MPLAB/PIC32MEC14xx/portmacro.h
+++ b/portable/MPLAB/PIC32MEC14xx/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC32MX/ISR_Support.h b/portable/MPLAB/PIC32MX/ISR_Support.h
index 4409fde..be0e59d 100644
--- a/portable/MPLAB/PIC32MX/ISR_Support.h
+++ b/portable/MPLAB/PIC32MX/ISR_Support.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC32MX/port.c b/portable/MPLAB/PIC32MX/port.c
index dc98f4a..b4c5653 100644
--- a/portable/MPLAB/PIC32MX/port.c
+++ b/portable/MPLAB/PIC32MX/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC32MX/port_asm.S b/portable/MPLAB/PIC32MX/port_asm.S
index 6271543..be037a6 100644
--- a/portable/MPLAB/PIC32MX/port_asm.S
+++ b/portable/MPLAB/PIC32MX/port_asm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC32MX/portmacro.h b/portable/MPLAB/PIC32MX/portmacro.h
index 5c87095..224a712 100644
--- a/portable/MPLAB/PIC32MX/portmacro.h
+++ b/portable/MPLAB/PIC32MX/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC32MZ/ISR_Support.h b/portable/MPLAB/PIC32MZ/ISR_Support.h
index 73e7b58..4312c4d 100644
--- a/portable/MPLAB/PIC32MZ/ISR_Support.h
+++ b/portable/MPLAB/PIC32MZ/ISR_Support.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC32MZ/port.c b/portable/MPLAB/PIC32MZ/port.c
index 3225dde..a87699f 100644
--- a/portable/MPLAB/PIC32MZ/port.c
+++ b/portable/MPLAB/PIC32MZ/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC32MZ/port_asm.S b/portable/MPLAB/PIC32MZ/port_asm.S
index 020b2c4..f0cefc3 100644
--- a/portable/MPLAB/PIC32MZ/port_asm.S
+++ b/portable/MPLAB/PIC32MZ/port_asm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MPLAB/PIC32MZ/portmacro.h b/portable/MPLAB/PIC32MZ/portmacro.h
index 9bdd436..c5b1ad0 100644
--- a/portable/MPLAB/PIC32MZ/portmacro.h
+++ b/portable/MPLAB/PIC32MZ/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MSVC-MingW/port.c b/portable/MSVC-MingW/port.c
index 48f15e7..24f6fe3 100644
--- a/portable/MSVC-MingW/port.c
+++ b/portable/MSVC-MingW/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MSVC-MingW/portmacro.h b/portable/MSVC-MingW/portmacro.h
index 55ece9f..b576638 100644
--- a/portable/MSVC-MingW/portmacro.h
+++ b/portable/MSVC-MingW/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MemMang/heap_1.c b/portable/MemMang/heap_1.c
index 3f0a39f..b54233b 100644
--- a/portable/MemMang/heap_1.c
+++ b/portable/MemMang/heap_1.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MemMang/heap_2.c b/portable/MemMang/heap_2.c
index c34c0a4..61fec30 100644
--- a/portable/MemMang/heap_2.c
+++ b/portable/MemMang/heap_2.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MemMang/heap_3.c b/portable/MemMang/heap_3.c
index 677fefb..dfdd4bb 100644
--- a/portable/MemMang/heap_3.c
+++ b/portable/MemMang/heap_3.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MemMang/heap_4.c b/portable/MemMang/heap_4.c
index f961783..5a44ccd 100644
--- a/portable/MemMang/heap_4.c
+++ b/portable/MemMang/heap_4.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MemMang/heap_5.c b/portable/MemMang/heap_5.c
index 4e6f93f..8f95460 100644
--- a/portable/MemMang/heap_5.c
+++ b/portable/MemMang/heap_5.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MikroC/ARM_CM4F/port.c b/portable/MikroC/ARM_CM4F/port.c
index e079395..b6c12b6 100644
--- a/portable/MikroC/ARM_CM4F/port.c
+++ b/portable/MikroC/ARM_CM4F/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/MikroC/ARM_CM4F/portmacro.h b/portable/MikroC/ARM_CM4F/portmacro.h
index c94c9fb..d93bed1 100644
--- a/portable/MikroC/ARM_CM4F/portmacro.h
+++ b/portable/MikroC/ARM_CM4F/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Paradigm/Tern_EE/large_untested/port.c b/portable/Paradigm/Tern_EE/large_untested/port.c
index e4017b9..ceed1d2 100644
--- a/portable/Paradigm/Tern_EE/large_untested/port.c
+++ b/portable/Paradigm/Tern_EE/large_untested/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Paradigm/Tern_EE/large_untested/portasm.h b/portable/Paradigm/Tern_EE/large_untested/portasm.h
index ed37545..12e623d 100644
--- a/portable/Paradigm/Tern_EE/large_untested/portasm.h
+++ b/portable/Paradigm/Tern_EE/large_untested/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Paradigm/Tern_EE/large_untested/portmacro.h b/portable/Paradigm/Tern_EE/large_untested/portmacro.h
index ffe264e..eb6b22c 100644
--- a/portable/Paradigm/Tern_EE/large_untested/portmacro.h
+++ b/portable/Paradigm/Tern_EE/large_untested/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Paradigm/Tern_EE/small/port.c b/portable/Paradigm/Tern_EE/small/port.c
index c949b8e..f0d9ece 100644
--- a/portable/Paradigm/Tern_EE/small/port.c
+++ b/portable/Paradigm/Tern_EE/small/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Paradigm/Tern_EE/small/portasm.h b/portable/Paradigm/Tern_EE/small/portasm.h
index 521e404..5411bea 100644
--- a/portable/Paradigm/Tern_EE/small/portasm.h
+++ b/portable/Paradigm/Tern_EE/small/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Paradigm/Tern_EE/small/portmacro.h b/portable/Paradigm/Tern_EE/small/portmacro.h
index dd7265a..e4bdaa4 100644
--- a/portable/Paradigm/Tern_EE/small/portmacro.h
+++ b/portable/Paradigm/Tern_EE/small/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM7_LPC21xx/port.c b/portable/RVDS/ARM7_LPC21xx/port.c
index 4089326..28b1b06 100644
--- a/portable/RVDS/ARM7_LPC21xx/port.c
+++ b/portable/RVDS/ARM7_LPC21xx/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM7_LPC21xx/portASM.s b/portable/RVDS/ARM7_LPC21xx/portASM.s
index 92967e0..a93764d 100644
--- a/portable/RVDS/ARM7_LPC21xx/portASM.s
+++ b/portable/RVDS/ARM7_LPC21xx/portASM.s
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM7_LPC21xx/portmacro.h b/portable/RVDS/ARM7_LPC21xx/portmacro.h
index 6c67230..d7c2a73 100644
--- a/portable/RVDS/ARM7_LPC21xx/portmacro.h
+++ b/portable/RVDS/ARM7_LPC21xx/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM7_LPC21xx/portmacro.inc b/portable/RVDS/ARM7_LPC21xx/portmacro.inc
index ffdfab0..b8f1d07 100644
--- a/portable/RVDS/ARM7_LPC21xx/portmacro.inc
+++ b/portable/RVDS/ARM7_LPC21xx/portmacro.inc
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CA9/port.c b/portable/RVDS/ARM_CA9/port.c
index 9219e81..bcff5c9 100644
--- a/portable/RVDS/ARM_CA9/port.c
+++ b/portable/RVDS/ARM_CA9/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CA9/portASM.s b/portable/RVDS/ARM_CA9/portASM.s
index dfde98a..949d50c 100644
--- a/portable/RVDS/ARM_CA9/portASM.s
+++ b/portable/RVDS/ARM_CA9/portASM.s
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CA9/portmacro.h b/portable/RVDS/ARM_CA9/portmacro.h
index 38a9778..e4d6bb1 100644
--- a/portable/RVDS/ARM_CA9/portmacro.h
+++ b/portable/RVDS/ARM_CA9/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CA9/portmacro.inc b/portable/RVDS/ARM_CA9/portmacro.inc
index cf2557f..e29a410 100644
--- a/portable/RVDS/ARM_CA9/portmacro.inc
+++ b/portable/RVDS/ARM_CA9/portmacro.inc
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CM0/port.c b/portable/RVDS/ARM_CM0/port.c
index c4a4d36..de12012 100644
--- a/portable/RVDS/ARM_CM0/port.c
+++ b/portable/RVDS/ARM_CM0/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CM0/portmacro.h b/portable/RVDS/ARM_CM0/portmacro.h
index bb0a848..57dc858 100644
--- a/portable/RVDS/ARM_CM0/portmacro.h
+++ b/portable/RVDS/ARM_CM0/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CM3/port.c b/portable/RVDS/ARM_CM3/port.c
index 014c4b5..9e61f89 100644
--- a/portable/RVDS/ARM_CM3/port.c
+++ b/portable/RVDS/ARM_CM3/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CM3/portmacro.h b/portable/RVDS/ARM_CM3/portmacro.h
index 2a293ae..df05f4c 100644
--- a/portable/RVDS/ARM_CM3/portmacro.h
+++ b/portable/RVDS/ARM_CM3/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CM4F/port.c b/portable/RVDS/ARM_CM4F/port.c
index d48c9e3..bc7f321 100644
--- a/portable/RVDS/ARM_CM4F/port.c
+++ b/portable/RVDS/ARM_CM4F/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CM4F/portmacro.h b/portable/RVDS/ARM_CM4F/portmacro.h
index 056597b..984909c 100644
--- a/portable/RVDS/ARM_CM4F/portmacro.h
+++ b/portable/RVDS/ARM_CM4F/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CM4_MPU/port.c b/portable/RVDS/ARM_CM4_MPU/port.c
index fde5c6c..3fc69f4 100644
--- a/portable/RVDS/ARM_CM4_MPU/port.c
+++ b/portable/RVDS/ARM_CM4_MPU/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CM4_MPU/portmacro.h b/portable/RVDS/ARM_CM4_MPU/portmacro.h
index c4fa7cc..a2940f1 100644
--- a/portable/RVDS/ARM_CM4_MPU/portmacro.h
+++ b/portable/RVDS/ARM_CM4_MPU/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CM7/r0p1/port.c b/portable/RVDS/ARM_CM7/r0p1/port.c
index daadd67..134d244 100644
--- a/portable/RVDS/ARM_CM7/r0p1/port.c
+++ b/portable/RVDS/ARM_CM7/r0p1/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/RVDS/ARM_CM7/r0p1/portmacro.h b/portable/RVDS/ARM_CM7/r0p1/portmacro.h
index fad530a..34c2069 100644
--- a/portable/RVDS/ARM_CM7/r0p1/portmacro.h
+++ b/portable/RVDS/ARM_CM7/r0p1/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX100/port.c b/portable/Renesas/RX100/port.c
index 0b8bf8e..3634179 100644
--- a/portable/Renesas/RX100/port.c
+++ b/portable/Renesas/RX100/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX100/port_asm.src b/portable/Renesas/RX100/port_asm.src
index 05631c9..2ef63dc 100644
--- a/portable/Renesas/RX100/port_asm.src
+++ b/portable/Renesas/RX100/port_asm.src
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX100/portmacro.h b/portable/Renesas/RX100/portmacro.h
index 2a7af10..8481b97 100644
--- a/portable/Renesas/RX100/portmacro.h
+++ b/portable/Renesas/RX100/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX200/port.c b/portable/Renesas/RX200/port.c
index 7762372..2975925 100644
--- a/portable/Renesas/RX200/port.c
+++ b/portable/Renesas/RX200/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX200/port_asm.src b/portable/Renesas/RX200/port_asm.src
index 05631c9..2ef63dc 100644
--- a/portable/Renesas/RX200/port_asm.src
+++ b/portable/Renesas/RX200/port_asm.src
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX200/portmacro.h b/portable/Renesas/RX200/portmacro.h
index cf76739..a6b603a 100644
--- a/portable/Renesas/RX200/portmacro.h
+++ b/portable/Renesas/RX200/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX600/port.c b/portable/Renesas/RX600/port.c
index de7a557..6b21515 100644
--- a/portable/Renesas/RX600/port.c
+++ b/portable/Renesas/RX600/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX600/port_asm.src b/portable/Renesas/RX600/port_asm.src
index 05631c9..2ef63dc 100644
--- a/portable/Renesas/RX600/port_asm.src
+++ b/portable/Renesas/RX600/port_asm.src
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX600/portmacro.h b/portable/Renesas/RX600/portmacro.h
index 10227ab..0a89ea8 100644
--- a/portable/Renesas/RX600/portmacro.h
+++ b/portable/Renesas/RX600/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX600v2/port.c b/portable/Renesas/RX600v2/port.c
index 16a7d8a..71869a2 100644
--- a/portable/Renesas/RX600v2/port.c
+++ b/portable/Renesas/RX600v2/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX600v2/port_asm.src b/portable/Renesas/RX600v2/port_asm.src
index 459432e..c7e7fdc 100644
--- a/portable/Renesas/RX600v2/port_asm.src
+++ b/portable/Renesas/RX600v2/port_asm.src
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX600v2/portmacro.h b/portable/Renesas/RX600v2/portmacro.h
index 7eeba4b..ec3c8fe 100644
--- a/portable/Renesas/RX600v2/portmacro.h
+++ b/portable/Renesas/RX600v2/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX700v3_DPFPU/port.c b/portable/Renesas/RX700v3_DPFPU/port.c
index 1d708a3..acd1142 100644
--- a/portable/Renesas/RX700v3_DPFPU/port.c
+++ b/portable/Renesas/RX700v3_DPFPU/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX700v3_DPFPU/port_asm.src b/portable/Renesas/RX700v3_DPFPU/port_asm.src
index ba6e3b7..4c48e2e 100644
--- a/portable/Renesas/RX700v3_DPFPU/port_asm.src
+++ b/portable/Renesas/RX700v3_DPFPU/port_asm.src
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/RX700v3_DPFPU/portmacro.h b/portable/Renesas/RX700v3_DPFPU/portmacro.h
index d9ae395..7c1e4b5 100644
--- a/portable/Renesas/RX700v3_DPFPU/portmacro.h
+++ b/portable/Renesas/RX700v3_DPFPU/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/SH2A_FPU/ISR_Support.inc b/portable/Renesas/SH2A_FPU/ISR_Support.inc
index 30edf90..30d2838 100644
--- a/portable/Renesas/SH2A_FPU/ISR_Support.inc
+++ b/portable/Renesas/SH2A_FPU/ISR_Support.inc
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/SH2A_FPU/port.c b/portable/Renesas/SH2A_FPU/port.c
index 6b54d15..10d5235 100644
--- a/portable/Renesas/SH2A_FPU/port.c
+++ b/portable/Renesas/SH2A_FPU/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/SH2A_FPU/portasm.src b/portable/Renesas/SH2A_FPU/portasm.src
index e2c1758..df9f98b 100644
--- a/portable/Renesas/SH2A_FPU/portasm.src
+++ b/portable/Renesas/SH2A_FPU/portasm.src
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Renesas/SH2A_FPU/portmacro.h b/portable/Renesas/SH2A_FPU/portmacro.h
index 1a80ffd..8452d95 100644
--- a/portable/Renesas/SH2A_FPU/portmacro.h
+++ b/portable/Renesas/SH2A_FPU/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Rowley/MSP430F449/port.c b/portable/Rowley/MSP430F449/port.c
index 0c60283..3ebe0d6 100644
--- a/portable/Rowley/MSP430F449/port.c
+++ b/portable/Rowley/MSP430F449/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Rowley/MSP430F449/portasm.h b/portable/Rowley/MSP430F449/portasm.h
index 63fd246..8445bd9 100644
--- a/portable/Rowley/MSP430F449/portasm.h
+++ b/portable/Rowley/MSP430F449/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Rowley/MSP430F449/portext.asm b/portable/Rowley/MSP430F449/portext.asm
index a0567c2..fede3f9 100644
--- a/portable/Rowley/MSP430F449/portext.asm
+++ b/portable/Rowley/MSP430F449/portext.asm
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Rowley/MSP430F449/portmacro.h b/portable/Rowley/MSP430F449/portmacro.h
index 61a93f6..1058b82 100644
--- a/portable/Rowley/MSP430F449/portmacro.h
+++ b/portable/Rowley/MSP430F449/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/SDCC/Cygnal/port.c b/portable/SDCC/Cygnal/port.c
index c7ca00f..a9526e1 100644
--- a/portable/SDCC/Cygnal/port.c
+++ b/portable/SDCC/Cygnal/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/SDCC/Cygnal/portmacro.h b/portable/SDCC/Cygnal/portmacro.h
index 0c51e56..032a066 100644
--- a/portable/SDCC/Cygnal/portmacro.h
+++ b/portable/SDCC/Cygnal/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Softune/MB91460/port.c b/portable/Softune/MB91460/port.c
index b8faac0..277123e 100644
--- a/portable/Softune/MB91460/port.c
+++ b/portable/Softune/MB91460/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Softune/MB91460/portmacro.h b/portable/Softune/MB91460/portmacro.h
index 6f4bcf2..2fc15a0 100644
--- a/portable/Softune/MB91460/portmacro.h
+++ b/portable/Softune/MB91460/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Softune/MB96340/port.c b/portable/Softune/MB96340/port.c
index 813db10..a424460 100644
--- a/portable/Softune/MB96340/port.c
+++ b/portable/Softune/MB96340/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Softune/MB96340/portmacro.h b/portable/Softune/MB96340/portmacro.h
index 941cd2a..4b5b8de 100644
--- a/portable/Softune/MB96340/portmacro.h
+++ b/portable/Softune/MB96340/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Tasking/ARM_CM4F/port.c b/portable/Tasking/ARM_CM4F/port.c
index 76b570f..fddef05 100644
--- a/portable/Tasking/ARM_CM4F/port.c
+++ b/portable/Tasking/ARM_CM4F/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Tasking/ARM_CM4F/port_asm.asm b/portable/Tasking/ARM_CM4F/port_asm.asm
index 2069ad4..adcb3f3 100644
--- a/portable/Tasking/ARM_CM4F/port_asm.asm
+++ b/portable/Tasking/ARM_CM4F/port_asm.asm
@@ -1,5 +1,5 @@
 ;/*
-; * FreeRTOS Kernel V10.4.3
+; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 ; *
 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Tasking/ARM_CM4F/portmacro.h b/portable/Tasking/ARM_CM4F/portmacro.h
index b2a48e8..c924680 100644
--- a/portable/Tasking/ARM_CM4F/portmacro.h
+++ b/portable/Tasking/ARM_CM4F/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.c b/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.c
index 9e6b565..a8df33a 100644
--- a/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.c
+++ b/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Synopsys, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.h b/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.h
index 29a7038..a91a6ef 100644
--- a/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.h
+++ b/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Synopsys, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/arc_support.s b/portable/ThirdParty/GCC/ARC_EM_HS/arc_support.s
index ba1e911..a343728 100644
--- a/portable/ThirdParty/GCC/ARC_EM_HS/arc_support.s
+++ b/portable/ThirdParty/GCC/ARC_EM_HS/arc_support.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Synopsys, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/freertos_tls.c b/portable/ThirdParty/GCC/ARC_EM_HS/freertos_tls.c
index 1762d4a..00d1b66 100644
--- a/portable/ThirdParty/GCC/ARC_EM_HS/freertos_tls.c
+++ b/portable/ThirdParty/GCC/ARC_EM_HS/freertos_tls.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Synopsys, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/port.c b/portable/ThirdParty/GCC/ARC_EM_HS/port.c
index 86f63f1..e623573 100644
--- a/portable/ThirdParty/GCC/ARC_EM_HS/port.c
+++ b/portable/ThirdParty/GCC/ARC_EM_HS/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Synopsys, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/portmacro.h b/portable/ThirdParty/GCC/ARC_EM_HS/portmacro.h
index 728b21b..4735176 100644
--- a/portable/ThirdParty/GCC/ARC_EM_HS/portmacro.h
+++ b/portable/ThirdParty/GCC/ARC_EM_HS/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Synopsys, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.c b/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.c
index 9e6b565..a8df33a 100644
--- a/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.c
+++ b/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Synopsys, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.h b/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.h
index 29a7038..a91a6ef 100644
--- a/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.h
+++ b/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Synopsys, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ARC_v1/arc_support.s b/portable/ThirdParty/GCC/ARC_v1/arc_support.s
index 06d6125..09ffe79 100644
--- a/portable/ThirdParty/GCC/ARC_v1/arc_support.s
+++ b/portable/ThirdParty/GCC/ARC_v1/arc_support.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Synopsys, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ARC_v1/port.c b/portable/ThirdParty/GCC/ARC_v1/port.c
index a99313a..127ba58 100644
--- a/portable/ThirdParty/GCC/ARC_v1/port.c
+++ b/portable/ThirdParty/GCC/ARC_v1/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Synopsys, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ARC_v1/portmacro.h b/portable/ThirdParty/GCC/ARC_v1/portmacro.h
index 73f8c29..5408796 100644
--- a/portable/ThirdParty/GCC/ARC_v1/portmacro.h
+++ b/portable/ThirdParty/GCC/ARC_v1/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Synopsys, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ATmega/port.c b/portable/ThirdParty/GCC/ATmega/port.c
index 8ad81b1..6d15a55 100644
--- a/portable/ThirdParty/GCC/ATmega/port.c
+++ b/portable/ThirdParty/GCC/ATmega/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/ATmega/portmacro.h b/portable/ThirdParty/GCC/ATmega/portmacro.h
index 46b7431..f79ad75 100644
--- a/portable/ThirdParty/GCC/ATmega/portmacro.h
+++ b/portable/ThirdParty/GCC/ATmega/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/Posix/port.c b/portable/ThirdParty/GCC/Posix/port.c
index 300a2d4..ee277a5 100644
--- a/portable/ThirdParty/GCC/Posix/port.c
+++ b/portable/ThirdParty/GCC/Posix/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Cambridge Consultants Ltd.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/GCC/Posix/portmacro.h b/portable/ThirdParty/GCC/Posix/portmacro.h
index 4503ebb..19f0716 100644
--- a/portable/ThirdParty/GCC/Posix/portmacro.h
+++ b/portable/ThirdParty/GCC/Posix/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright 2020 Cambridge Consultants Ltd.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/XCC/Xtensa/port.c b/portable/ThirdParty/XCC/Xtensa/port.c
index e1d9651..f3cb0bf 100644
--- a/portable/ThirdParty/XCC/Xtensa/port.c
+++ b/portable/ThirdParty/XCC/Xtensa/port.c
@@ -1,6 +1,6 @@
 
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/ThirdParty/XCC/Xtensa/portmacro.h b/portable/ThirdParty/XCC/Xtensa/portmacro.h
index 9668ae8..043fd9b 100644
--- a/portable/ThirdParty/XCC/Xtensa/portmacro.h
+++ b/portable/ThirdParty/XCC/Xtensa/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/WizC/PIC18/Drivers/Tick/Tick.c b/portable/WizC/PIC18/Drivers/Tick/Tick.c
index 680f38e..811f6ad 100644
--- a/portable/WizC/PIC18/Drivers/Tick/Tick.c
+++ b/portable/WizC/PIC18/Drivers/Tick/Tick.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/WizC/PIC18/Drivers/Tick/isrTick.c b/portable/WizC/PIC18/Drivers/Tick/isrTick.c
index 67b5b58..9ce4088 100644
--- a/portable/WizC/PIC18/Drivers/Tick/isrTick.c
+++ b/portable/WizC/PIC18/Drivers/Tick/isrTick.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/WizC/PIC18/addFreeRTOS.h b/portable/WizC/PIC18/addFreeRTOS.h
index e1a441e..1210185 100644
--- a/portable/WizC/PIC18/addFreeRTOS.h
+++ b/portable/WizC/PIC18/addFreeRTOS.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/WizC/PIC18/port.c b/portable/WizC/PIC18/port.c
index a44ee89..664928a 100644
--- a/portable/WizC/PIC18/port.c
+++ b/portable/WizC/PIC18/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/WizC/PIC18/portmacro.h b/portable/WizC/PIC18/portmacro.h
index 65f88a1..575d9b7 100644
--- a/portable/WizC/PIC18/portmacro.h
+++ b/portable/WizC/PIC18/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/oWatcom/16BitDOS/Flsh186/port.c b/portable/oWatcom/16BitDOS/Flsh186/port.c
index 460995e..3d89afd 100644
--- a/portable/oWatcom/16BitDOS/Flsh186/port.c
+++ b/portable/oWatcom/16BitDOS/Flsh186/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/oWatcom/16BitDOS/Flsh186/portmacro.h b/portable/oWatcom/16BitDOS/Flsh186/portmacro.h
index 6b8f259..95308a2 100644
--- a/portable/oWatcom/16BitDOS/Flsh186/portmacro.h
+++ b/portable/oWatcom/16BitDOS/Flsh186/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/oWatcom/16BitDOS/PC/port.c b/portable/oWatcom/16BitDOS/PC/port.c
index 97aabd7..943e0e6 100644
--- a/portable/oWatcom/16BitDOS/PC/port.c
+++ b/portable/oWatcom/16BitDOS/PC/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/oWatcom/16BitDOS/PC/portmacro.h b/portable/oWatcom/16BitDOS/PC/portmacro.h
index fd53224..4a72da9 100644
--- a/portable/oWatcom/16BitDOS/PC/portmacro.h
+++ b/portable/oWatcom/16BitDOS/PC/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/oWatcom/16BitDOS/common/portasm.h b/portable/oWatcom/16BitDOS/common/portasm.h
index 50a724c..5e3a8f6 100644
--- a/portable/oWatcom/16BitDOS/common/portasm.h
+++ b/portable/oWatcom/16BitDOS/common/portasm.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/oWatcom/16BitDOS/common/portcomn.c b/portable/oWatcom/16BitDOS/common/portcomn.c
index 2b00fe0..02ac859 100644
--- a/portable/oWatcom/16BitDOS/common/portcomn.c
+++ b/portable/oWatcom/16BitDOS/common/portcomn.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/queue.c b/queue.c
index f5d8fd7..ef62daa 100644
--- a/queue.c
+++ b/queue.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/stream_buffer.c b/stream_buffer.c
index 0428045..e616453 100644
--- a/stream_buffer.c
+++ b/stream_buffer.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/tasks.c b/tasks.c
index 9ffbc4f..c4b0c1d 100644
--- a/tasks.c
+++ b/tasks.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/timers.c b/timers.c
index d3fce22..b8ab956 100644
--- a/timers.c
+++ b/timers.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of