Updated History.txt for V10.4.3 (#232)

diff --git a/History.txt b/History.txt
index b5ba33c..82eac15 100644
--- a/History.txt
+++ b/History.txt
@@ -1,6 +1,19 @@
 Documentation and download available at https://www.FreeRTOS.org/

 

+Changes between FreeRTOS V10.4.2 and FreeRTOS V10.4.3 released December 14 2020

+

+	See https://www.FreeRTOS.org/FreeRTOS-V10.4.x.html

+

+	+ Changes to improve robustness and consistency for buffer allocation in

+	  the heap, queue and stream buffer.

+	+ The following functions can no longer be called from unprivileged code.

+	  - xTaskCreateRestricted

+	  - xTaskCreateRestrictedStatic

+	  - vTaskAllocateMPURegions

+

+

 Changes between FreeRTOS V10.4.1 and FreeRTOS V10.4.2 released November 10 2020

+	

 	See https://www.FreeRTOS.org/FreeRTOS-V10.4.x.html

 

 	+ Fix an issue in the ARMv8-M ports that caused BASEPRI to be masked 

@@ -18,6 +31,7 @@
 

 

 Changes between FreeRTOS V10.4.0 and FreeRTOS V10.4.1 released September 17 2020

+

 	See https://www.FreeRTOS.org/FreeRTOS-V10.4.x.html

 

 	+ Fixed an incorrectly named parameter that prevented the