| :orphan: | 
 |  | 
 | .. _zephyr_1.9: | 
 |  | 
 | Zephyr Kernel 1.9.2 | 
 | ################### | 
 |  | 
 | This is a maintenance release with fixes. | 
 |  | 
 | Kernel | 
 | ****** | 
 | * Generic queue item acquisition fixed to always return a valid item when | 
 |   using K_FOREVER | 
 |  | 
 | Bluetooth | 
 | ********* | 
 | * Multiple stability fixes for BLE Mesh | 
 | * Multiple stability fixes for the BLE Controller | 
 |  | 
 | Zephyr Kernel 1.9.1 | 
 | ################### | 
 |  | 
 | This is a maintenance release with fixes and a two new features in the | 
 | BLE Controller. | 
 |  | 
 | Drivers and Sensors | 
 | ******************* | 
 | * mcux ethernet driver buffer overflow fixed | 
 | * STM32 PWM prescaler issue fixed | 
 |  | 
 | Networking | 
 | ********** | 
 | * Support for IPv6 in DNS fixed | 
 |  | 
 | Bluetooth | 
 | ********* | 
 | * Multiple stability fixes for the BLE Controller | 
 | * Support for PA/LNA amplifiers in the BLE Controller | 
 | * Support for additional VS commands in the BLE Controller | 
 |  | 
 | Zephyr Kernel 1.9.0 | 
 | ################### | 
 |  | 
 | We are pleased to announce the release of Zephyr kernel version 1.9.0 | 
 |  | 
 | Major enhancements planned with this release include: | 
 |  | 
 | * Bluetooth 5.0 Support (all features except Advertising Extensions) | 
 | * Bluetooth Qualification-ready BLE Controller | 
 | * BLE Mesh | 
 | * Lightweight Machine to Machine (LwM2M) support | 
 | * Pthreads compatible API | 
 | * BSD Sockets compatible API | 
 | * MMU/MPU (Cont.): Thread Isolation, Paging | 
 | * Expand Device Tree support to more architectures | 
 | * Revamp Testsuite, Increase Coverage | 
 | * Stack Sentinel support (See details below) | 
 |  | 
 | The following sections provide detailed lists of changes by component. | 
 |  | 
 | Kernel | 
 | ****** | 
 |  | 
 | * Added POSIX thread IPC support for Kernel | 
 | * kernel: introduce opaque data type for stacks | 
 | * Timeslicing and tickless kernel improvements | 
 |  | 
 | Architectures | 
 | ************* | 
 |  | 
 | * arm: Added STM32F405, STM32F417, STM32F103x8 SoCs | 
 | * arm: Added TI CC2650 SoC | 
 | * arm: Removed TI CC3200 SoC | 
 | * arm: Added MPU support to nRF52, STM32L4, and STM32F3 | 
 | * xtensa: Added ESP32 support | 
 | * Stack sentinel: This places a sentinel value at the lowest 4 bytes of a stack | 
 |   memory region and checks it at various intervals, including when servicing | 
 |   interrupts or context switching. | 
 | * x86: Enable MMU for application memory | 
 | * ARC: Added initial MPU support, including stack sentinel checking for ARC | 
 |   configurations not featuring hardware stack bounds checking | 
 | * ARC: Nested interrupt support for normal, non-FIRQ interrupts | 
 |  | 
 | Boards | 
 | ****** | 
 |  | 
 | * Added device tree support for Intel Quark based microcontroller boards | 
 |   such as Arduino_101, tinytile, and Quark_d2000_crb. | 
 | * arm: Added Atmel SAM4S Xplained board | 
 | * arm: Added Olimex STM32-E407 and STM32-P405 boards | 
 | * arm: Added STM32F412 Nucleo and STM32F429I-DISC1 boards | 
 | * arm: Added TI SensorTag board | 
 | * arm: Removed TI CC3200 LaunchXL board | 
 | * arm: Added VBLUno51 and VBLUno52 boards | 
 | * xtensa: Added ESP32 board support | 
 | * ARC: Added support for EMSK EM7D v2.2 version (incl. MPU) | 
 | * ARC: Board configuration restructuring, peripheral configs moved from soc to | 
 |   board level | 
 |  | 
 | Drivers and Sensors | 
 | ******************* | 
 |  | 
 | * KW40Z IEEE 802.15.4 radio driver support added | 
 | * APDS9960 sensor driver added | 
 | * Added TICKLESS KERNEL support for nrf RTC Timer | 
 | * Added Kinetis adc and pwm drivers | 
 | * Removed deprecated PWM driver APIs | 
 | * Added ESP32 drivers for GPIO, pin mux, watchdog, random number generator, | 
 |   and UART | 
 | * sensor: Add BMM150 Geomagnetic sensor driver | 
 |  | 
 | Networking | 
 | ********** | 
 |  | 
 | * LWM2M support added | 
 | * net-app API support added. This is higher level API that can be used | 
 |   by applications to create client/server applications with transparent | 
 |   TLS (for TCP) or DTLS (for UDP) support. | 
 | * MQTT TLS support added | 
 | * Add support to automatically setup IEEE 802.15.4 and Bluetooth IPSP networks | 
 | * TCP receive window support added | 
 | * Network sample application configuration file unification, where most of the | 
 |   similar configuration files were merged together | 
 | * Added Bluetooth support to HTTP(S) server sample application | 
 | * BSD Socket compatible API layer, allowing to write and/or port simple | 
 |   networking applications using a well-known, cross-platform API | 
 | * Networking API documentation fixes | 
 | * Network shell enhancements | 
 | * Trickle algorithm fixes | 
 | * Improvements to HTTP server and client libraries | 
 | * CoAP API fixes | 
 | * IPv6 fixes | 
 | * RPL fixes | 
 |  | 
 | Bluetooth | 
 | ********* | 
 |  | 
 | * Bluetooth Mesh support (all mandatory features and most optional ones) | 
 | * GATT Service Changed Characteristic support | 
 | * IPSP net-app support: a simplified networking API reducing duplication | 
 |   of common tasks an application writer has to go through to connect | 
 |   to the network. | 
 | * BLE controller qualification-ready, with all required tests passing | 
 | * Controller-based privacy (including all optional features) | 
 | * Extended Scanner Filter Policies support in the controller | 
 | * Controller roles (Advertiser, Scanner, Master and Slave) separation in | 
 |   source code, conditionally includable | 
 | * Flash access cooperation with BLE radio activity | 
 | * Bluetooth Kconfig options have been renamed have the same (consistent) | 
 |   prefix as the Bluetooth APIs, namely BT_* instead of BLUETOOTH_*. | 
 |   Controller Kconfig options have been shortened to use CTLR instead of | 
 |   CONTROLLER. | 
 | * Removed deprecated NBLE support | 
 |  | 
 | Build and Infrastructure | 
 | ************************ | 
 |  | 
 | * change description | 
 |  | 
 | Libraries | 
 | ********* | 
 |  | 
 | * mbedTLS updated to 2.6.0 | 
 | * TinyCrypt updated to 0.2.7 | 
 |  | 
 | HALs | 
 | **** | 
 |  | 
 | * Added support for stm32f417 SOC | 
 | * Added support for stm32f405 SOC | 
 | * pinmux: stm32: 96b_carbon: Add support for SPI | 
 | * Added rcc node on stm32 socs | 
 | * Added pin config for USART1 on PB6/PB7 for stm32l4 | 
 | * Removed TI cc3200 SOC and LaunchXL board support | 
 |  | 
 | Documentation | 
 | ************* | 
 |  | 
 | * CONTRIBUTING.rst and Contribution Guide material added | 
 | * Configuration options doc reorganized for easier access | 
 | * Navigation sidebar issues fixed for supported boards section | 
 | * Fixed link targets hidden behind header | 
 | * Completed migration of wiki.zephyrproject.org content into docs and | 
 |   GitHub wiki. All links to old wiki updated. | 
 | * Broken link and spelling check scans through .rst, Kconfig (used for | 
 |   auto-generated configuration docs), and source code doxygen comments | 
 |   (used for API documentation). | 
 | * API documentation added for new interfaces and improved for existing | 
 |   ones. | 
 | * Documentation added for new boards supported with this release. | 
 | * Python packages needed for document generation added to new python | 
 |   pip requirements.txt | 
 |  | 
 |  | 
 | Build System and Tools | 
 | ********************** | 
 | * Convert post-processing host tools to python, this includes the following | 
 |   tools: gen_offset_header.py gen_idt.py gen_gdt.py gen_mmu.py | 
 |  | 
 |  | 
 | Tests and Samples | 
 | ***************** | 
 |  | 
 | * Added test Case to stress test round robin scheduling in schedule_api test. | 
 | * Added test case to stress test priority scheduling in scheduling_api_test. | 
 |  | 
 |  | 
 | JIRA Related Items | 
 | ****************** | 
 | * ``ZEP-230`` - Define I2S driver APIs | 
 | * ``ZEP-601`` - enable CONFIG_DEBUG_INFO | 
 | * ``ZEP-702`` - Integrate Nordic's Phoenix Link Layer into Zephyr | 
 | * ``ZEP-749`` - TinyCrypt uses an old, unoptimized version of micro-ecc | 
 | * ``ZEP-896`` - nRF5x Series: Add support for power and clock peripheral | 
 | * ``ZEP-1067`` - Driver for BMM150 | 
 | * ``ZEP-1396`` - Add ksdk adc shim driver | 
 | * ``ZEP-1426`` - CONFIG_BOOT_TIME_MEASUREMENT on all targets? | 
 | * ``ZEP-1552`` - Provide apds9960 sensor driver | 
 | * ``ZEP-1647`` - Figure out new combo for breathe/doxygen/sphinx versions that are supported | 
 | * ``ZEP-1744`` - UPF 56 BLE Controller Issues | 
 | * ``ZEP-1751`` - Add template YAML file | 
 | * ``ZEP-1819`` - Add tickless kernel support in nrf_rtc_timer timer | 
 | * ``ZEP-1843`` - provide mechanism to filter test cases based on available hardware | 
 | * ``ZEP-1892`` - Fix issues with Fix Release | 
 | * ``ZEP-1902`` - Missing board documentation for arm/nucleo_f334r8 | 
 | * ``ZEP-1911`` - Missing board documentation for arm/stm3210c_eval | 
 | * ``ZEP-1917`` - Missing board documentation for arm/stm32373c_eval | 
 | * ``ZEP-1918`` - Fix connection parameter request procedure | 
 | * ``ZEP-2018`` - Remove deprecated PWM APIs | 
 | * ``ZEP-2020`` - tests/crypto/test_ecc_dsa intermittently fails on riscv32 | 
 | * ``ZEP-2025`` - Add mcux pwm shim driver for k64 | 
 | * ``ZEP-2031`` - ESP32 Architecture Configuration | 
 | * ``ZEP-2032`` - Espressif Open-source Toolchain Support | 
 | * ``ZEP-2039`` - Implement stm32cube LL based clock control driver | 
 | * ``ZEP-2054`` - Convert all helper script to use python3 | 
 | * ``ZEP-2062`` - Convert gen_offset_header to a python script | 
 | * ``ZEP-2063`` - Convert gen_idt to python | 
 | * ``ZEP-2068`` - Need Tasks to Be Tracked in QRC too | 
 | * ``ZEP-2071`` - samples: warning: (SPI_CS_GPIO && SPI_SS_CS_GPIO && I2C_NRF5) selects GPIO which has unmet direct dependencies | 
 | * ``ZEP-2085`` - Add CONTRIBUTING.rst to root folder w/contributing guidelines | 
 | * ``ZEP-2089`` - UART support for ESP32 | 
 | * ``ZEP-2115`` - Common API for networked applications for setting up network | 
 | * ``ZEP-2116`` - Common API for networked apps to create client/server applications | 
 | * ``ZEP-2141`` - Coverity CID 169303 in tests/net/ipv6/src/main.c | 
 | * ``ZEP-2150`` - Move Arduino 101 to Device Tree | 
 | * ``ZEP-2151`` - Move Quark D2000 to device tree | 
 | * ``ZEP-2156`` - Build warnings [-Wformat] with LLVM/icx (tests/kernel/sprintf) | 
 | * ``ZEP-2168`` - Timers seem to be broken with TICKLESS_KERNEL on nRF51 (Cortex M0) | 
 | * ``ZEP-2171`` - Move all board pinmux code from drivers/pinmux/stm32 to the corresponding board/soc locations | 
 | * ``ZEP-2184`` - Split data, bss, noinit sections into application and kernel areas | 
 | * ``ZEP-2188`` - x86: Implement simple stack memory protection | 
 | * ``ZEP-2217`` - schedule_api test fails on ARM with tickless kernel enabled | 
 | * ``ZEP-2218`` - unexpected short timeslice when running schedule_api with tickless kernel enabled | 
 | * ``ZEP-2220`` - Extend MPU to stm32 family | 
 | * ``ZEP-2225`` - Ability to unregister GATT services | 
 | * ``ZEP-2226`` - BSD Sockets API: Basic blocking API | 
 | * ``ZEP-2227`` - BSD Sockets API: Non-blocking API | 
 | * ``ZEP-2229`` - test_time_slicing_preemptible fails on bbc_microbit and other NRF boards | 
 | * ``ZEP-2250`` - sanitycheck not filtering defconfigs properly | 
 | * ``ZEP-2258`` - Coverity static scan issues seen | 
 | * ``ZEP-2265`` - stack declaration macros for ARM MPU | 
 | * ``ZEP-2267`` - Create Release Notes | 
 | * ``ZEP-2270`` - Convert mpu_stack_guard_test from using k_thread_spawn to k_thread_create | 
 | * ``ZEP-2274`` - Build warnings [-Wpointer-sign] with LLVM/icx (tests/net/ipv6_fragment) | 
 | * ``ZEP-2278`` - KW41-Z 802.15.4 driver hangs if full debug is disabled | 
 | * ``ZEP-2279`` - echo_server TCP handler corrupt by SYN flood | 
 | * ``ZEP-2280`` - add test case for KBUILD_ZEPHYR_APP | 
 | * ``ZEP-2285`` - non-boards shows up in board list for docs | 
 | * ``ZEP-2286`` - Write a GPIO driver for ESP32 | 
 | * ``ZEP-2289`` - [DoS] Memory leak from large TCP packets | 
 | * ``ZEP-2296`` - ESP32: watchdog driver | 
 | * ``ZEP-2297`` - ESP32: Pin mux driver | 
 | * ``ZEP-2303`` - Concurrent incoming TCP connections | 
 | * ``ZEP-2305`` - linker: implement MMU alignment constraints | 
 | * ``ZEP-2306`` - echo server hangs from IPv6 hop-by-hop option anomaly | 
 | * ``ZEP-2308`` - (New) Networking API details documentation is missing | 
 | * ``ZEP-2310`` - Improve configuration documentation index organization | 
 | * ``ZEP-2314`` - Testcase failure :tests/benchmarks/timing_info/testcase.ini#test | 
 | * ``ZEP-2316`` - Testcase failure :tests/bluetooth/shell/testcase.ini#test_br | 
 | * ``ZEP-2318`` - some kernel objects sections are misaligned | 
 | * ``ZEP-2319`` - tests/net/ieee802154/l2 uses semaphore before initialization | 
 | * ``ZEP-2321`` - [PTS] All TC's of SM/GATT/GAP failed due to BTP_TIMEOUT error. | 
 | * ``ZEP-2326`` - x86: API to validate user buffer | 
 | * ``ZEP-2328`` - gen_mmu.py appears to generate incorrect tables in some situations | 
 | * ``ZEP-2329`` - bad memory access tests/net/route | 
 | * ``ZEP-2330`` - bad memory access tests/net/rpl | 
 | * ``ZEP-2331`` - bad memory access tests/net/ieee802154/l2 | 
 | * ``ZEP-2332`` - bad memory access tests/net/ip-addr | 
 | * ``ZEP-2334`` - bluetooth shell build warning when CONFIG_DEBUG=y | 
 | * ``ZEP-2335`` - Ensure the Licensing page is up-to-date for the release | 
 | * ``ZEP-2340`` - Disabling advertising gets stuck | 
 | * ``ZEP-2341`` - Build warnings:override: reassigning to symbol MAIN_STACK_SIZE with LLVM/icx (/tests/net/6lo) | 
 | * ``ZEP-2343`` - Coverity static scan issues seen | 
 | * ``ZEP-2344`` - Coverity static scan issues seen | 
 | * ``ZEP-2345`` - Coverity static scan issues seen | 
 | * ``ZEP-2352`` - network API docs don't mention when callbacks are called from a different thread | 
 | * ``ZEP-2354`` - ESP32: Random number generator | 
 | * ``ZEP-2355`` - Coverity static scan issues seen | 
 | * ``ZEP-2358`` - samples:net:echo_server: Failed to send UDP packets | 
 | * ``ZEP-2359`` - samples:net:coaps_server: unable to bind with IPv6 | 
 | * ``ZEP-2360`` - Initial implementation of Bluetooth Mesh | 
 | * ``ZEP-2361`` - Provide a POSIX compatibility Layer on top of native APIs | 
 | * ``ZEP-2365`` - samples/net/wpanusb/test_15_4 fail on nrf52840_pca10056 and frdm_kw41z | 
 | * ``ZEP-2366`` - implement \__kernel attribute | 
 | * ``ZEP-2367`` - NULL pointer read in udp, tcp, context net tests | 
 | * ``ZEP-2368`` - x86: QEMU: enable MMU at boot by default | 
 | * ``ZEP-2370`` - [test] Create a stress test to test preemptive scheduling on zephyr | 
 | * ``ZEP-2371`` - [test] Create a stress test to test round robin scheduling with equal priority tasks on zephyr | 
 | * ``ZEP-2374`` - Build warnings:override: reassigning to symbol NET_IPV4 with LLVM/icx (/tests/net/dhcpv4) | 
 | * ``ZEP-2375`` - Build warnings [-Wpointer-sign] with LLVM/icx (tests/net/udp) | 
 | * ``ZEP-2378`` - sample/bluetooth/ipsp: When build the app 'ROM' overflowed | 
 | * ``ZEP-2379`` - samples/bluetooth: Bluetooth init failed (err -19) | 
 | * ``ZEP-2380`` - TCP is broken by Zephyr commit 3604c391e | 
 | * ``ZEP-2382`` - Convert test to use ztest framework | 
 | * ``ZEP-2383`` - Net-app API needs to support DTLS | 
 | * ``ZEP-2384`` - "Common" bluetooth sample code does not build out of tree | 
 | * ``ZEP-2385`` - Update TinyCrypt to 0.2.7 | 
 | * ``ZEP-2395`` - Assert in http_server example when run over bluetooth on nrf52840 | 
 | * ``ZEP-2397`` - net_if_ipv6_addr_rm calls k_delayed_work_cancel() on uninitialized k_delayed_work object | 
 | * ``ZEP-2398`` - network stack test cases are only tested on x86 | 
 | * ``ZEP-2403`` - Enabling MMU for qemu_x86 broke active connect support | 
 | * ``ZEP-2407`` - [Cortex m series ] Getting a crash on Cortex m3 series when more than 8 preemptive threads with equal priority are scheduled | 
 | * ``ZEP-2408`` - design mechanism for kernel object sharing policy | 
 | * ``ZEP-2412`` - Bluetooth tester app not working from commit c1e5cb | 
 | * ``ZEP-2423`` - samples/bluetooth/ipsp's builtin TCP echo crashes on TCP closure | 
 | * ``ZEP-2432`` - ieee802154_shell.c, net_mgmt call leads to a BUS FAULT | 
 | * ``ZEP-2433`` - x86: do forensic analysis to determine stack overflow context in supervisor mode | 
 | * ``ZEP-2436`` - Unable to see console output in Quark_D200_CRB | 
 | * ``ZEP-2437`` - warnings when building applications for quark d2000 | 
 | * ``ZEP-2444`` - [nrf] Scheduling test API is getting failed in case of nrf51/nrf52 platforms | 
 | * ``ZEP-2445`` - nrf52: CPU lock-up when using Bluetooth + Flash driver + CONFIG_ASSERT | 
 | * ``ZEP-2447`` - 'make debugserver' fails for qemu_x86_iamcu | 
 | * ``ZEP-2451`` - Move Bluetooth IPSP support functions from samples/bluetooth to a separate library | 
 | * ``ZEP-2452`` - https server does not build for olimex_stm32_e407 | 
 | * ``ZEP-2457`` - generated/offsets.h is being regenerated unnecessarily | 
 | * ``ZEP-2459`` - Sample application not working with Quark SE C1000 | 
 | * ``ZEP-2460`` - tests/crypto/ecc_dh fails on qemu_nios2 | 
 | * ``ZEP-2464`` - "allow IPv6 interface init to work with late IP assignment" patch broke non-late IPv6 assignment | 
 | * ``ZEP-2465`` - Static code scan (coverity) issues seen | 
 | * ``ZEP-2467`` - Static code scan (coverity) issues seen | 
 | * ``ZEP-2468`` - Static code scan (coverity) issues seen | 
 | * ``ZEP-2469`` - Static code scan (coverity) issues seen | 
 | * ``ZEP-2474`` - Static code scan (coverity) issues seen | 
 | * ``ZEP-2480`` - Build warnings [-Wpointer-sign] with LLVM/icx (samples/net/coaps_server) | 
 | * ``ZEP-2482`` - Build warnings [-Wpointer-sign] with LLVM/icx (samples/net/telnet) | 
 | * ``ZEP-2483`` - samples:net:http_client: Failed to get http requests in IPv6 | 
 | * ``ZEP-2484`` - samples:net:http_server: Failed to work in IPv6 | 
 | * ``ZEP-2485`` - Build warnings [-Wpointer-sign] with LLVM/icx (samples/net/coaps_client) | 
 | * ``ZEP-2486`` - Build warnings [-Wpointer-sign] with LLVM/icx (samples/net/mbedtls_dtlsserver) | 
 | * ``ZEP-2488`` - Build warnings [-Wpointer-sign] and [-Warray-bounds] with LLVM/icx (samples/net/irc_bot) | 
 | * ``ZEP-2489`` - bug in _x86_mmu_buffer_validate API | 
 | * ``ZEP-2496`` - Build failure on tests/benchmarks/object_footprint | 
 | * ``ZEP-2497`` - [TIMER] k_timer_start should take 0 value for duration parameter | 
 | * ``ZEP-2498`` - [Display] Minimum Duration argument to k_timer_start should be non Zero positive value | 
 | * ``ZEP-2508`` - esp32 linkage doesn't unify ELF sections correctly | 
 | * ``ZEP-2510`` - BT: CONFIG_BT_HCI_TX_STACK_SIZE appears to be too low for BT_SPI | 
 | * ``ZEP-2514`` - XCC sanitycheck build compile wrong targets | 
 | * ``ZEP-2523`` - Static code scan (Coverity) issue seen in file: /samples/net/zoap_server/src/zoap-server.c | 
 | * ``ZEP-2525`` - Static code scan (Coverity) issue seen in file: /samples/net/zoap_server/src/zoap-server.c | 
 | * ``ZEP-2531`` - Static code scan (Coverity) issue seen in file: /tests/net/lib/dns_resolve/src/main.c | 
 | * ``ZEP-2528`` - Static code scan (Coverity) issue seen in file: /samples/net/nats/src/nats.c | 
 | * ``ZEP-2534`` - Static code scan (Coverity) issue seen in file: /tests/kernel/irq_offload/src/irq_offload.c | 
 | * ``ZEP-2535`` - Static code scan (Coverity) issue seen in file: /tests/net/lib/zoap/src/main.c | 
 | * ``ZEP-2537`` - Static code scan (Coverity) issue seen in file: /tests/crypto/ecc_dh/src/ecc_dh.c | 
 | * ``ZEP-2538`` - Static code scan (Coverity) issue seen in file: /arch/arm/soc/st_stm32/stm32f1/soc_gpio.c | 
 | * ``ZEP-2539`` - Static code scan (Coverity) issue seen in file: /tests/net/ieee802154/l2/src/ieee802154_test.c | 
 | * ``ZEP-2540`` - Static code scan (Coverity) issue seen in file: /ext/lib/crypto/tinycrypt/source/ecc_dh.c | 
 | * ``ZEP-2541`` - Static code scan (Coverity) issue seen in file: /subsys/bluetooth/host/mesh/cfg.c | 
 | * ``ZEP-2549`` - Static code scan (Coverity) issue seen in file: /samples/net/leds_demo/src/leds-demo.c | 
 | * ``ZEP-2552`` - ESP32 uart poll_out always return 0 | 
 | * ``ZEP-2553`` - k_queue_poll not handling -EADDRINUSE (another thread already polling) properly | 
 | * ``ZEP-2556`` - ESP32 watchdog WDT_MODE_INTERRUPT_RESET mode fails | 
 | * ``ZEP-2557`` - ESP32 : Some GPIO tests are getting failed (tests/drivers/gpio/gpio_basic_api) | 
 | * ``ZEP-2558`` - CONFIG_BLUETOOTH_* Kconfig options silently ignored | 
 | * ``ZEP-2560`` - samples/net: the sample of zoap_server fails to add multicast address | 
 | * ``ZEP-2561`` - samples/net: The HTTP client failed to send the POST request | 
 | * ``ZEP-2568`` - [PTS] All TC's of L2CAP/SM/GATT/GAP failed due to BTP_ERROR. | 
 | * ``ZEP-2575`` - error:[ '-O: command not found'] with LLVM/icx (samples/hello_world) | 
 | * ``ZEP-2576`` - samples/net/sockets/echo, echo_async : fails to send the TCP packets | 
 | * ``ZEP-2581`` - CC3220 executable binary format support | 
 | * ``ZEP-2584`` - Update mbedTLS to 2.6.0 | 
 | * ``ZEP-713``  - Implement preemptible regular IRQs on ARC |