CMSIS

      - CMSIS-Core: 6.1.0
        - Added support for Cortex-M52
        - Added deprecated CoreDebug symbols for CMSIS 5 compatibility
        - Added define CMSIS_DISABLE_DEPRECATED to hide deprecated symbols
      - CMSIS-Driver: 2.10.0
        - Updated USB Host API 2.4.0

      - CMSIS-Core: 6.0.0
        - Core(M) and Core(A) joined into single Core component
        - Core header files reworked, aligned with TRMs
        - Previously deprecated features removed
        - Dropped support for Arm Compiler 5
      - CMSIS-DSP: moved into separate pack
      - CMSIS-NN: moved into separate pack
      - CMSIS-RTOS: deprecated and removed
        - RTX4 is deprecated and removed
      - CMSIS-RTOS2: 2.3.0
        - OS Tick API moved from Device to CMSIS class
        - Added provisional support for processor affinity in SMP systems
        - RTX5 is moved into separate CMSIS-RTX pack
      - CMSIS-Driver: 2.9.0
        - Updated VIO API 1.0.0
        - Added GPIO Driver API 1.0.0
      - CMSIS-Pack: moved into Open-CMSIS-Pack project
      - CMSIS-SVD: moved into Open-CMSIS-Pack project
      - CMSIS-DAP: moved into separate repository
      - Devices: moved into separate Cortex_DFP pack
      - Utilities: moved into CMSIS-Toolbox project

      CMSIS-Core(M): 5.6.0
       - Arm Cortex-M85 cpu support
       - Arm China STAR-MC1 cpu support
       - Updated system_ARMCM55.c
      CMSIS-DSP: 1.10.0 (see revision history for details)
      CMSIS-NN: 3.1.0 (see revision history for details)
       - Support for int16 convolution and fully connected for reference implementation
       - Support for DSP extension optimization for int16 convolution and fully connected
       - Support dilation for int8 convolution
       - Support dilation for int8 depthwise convolution
       - Support for int16 depthwise conv for reference implementation including dilation
       - Support for int16 average and max pooling for reference implementation
       - Support for elementwise add and mul int16 scalar version
       - Support for softmax int16 scalar version
       - Support for SVDF with 8 bit state tensor
      CMSIS-RTOS2: 2.1.3 (unchanged)
        - RTX 5.5.4 (see revision history for details)
      CMSIS-Pack: deprecated (moved to Open-CMSIS-Pack)
      CMSIS-SVD: 1.3.9 (see revision history for details)
      CMSIS-DAP: 2.1.1 (see revision history for details)
       - Allow default clock frequency to use fast clock mode
      Devices
       - Support for Cortex-M85
      Utilities
        - SVDConv 3.3.42
        - PackChk 1.3.95

      CMSIS-Core(M): 5.5.0 (see revision history for details)
        - Updated GCC LinkerDescription, GCC Assembler startup
        - Added Armv8-M Stack Sealing (to linker, startup) for toolchain ARM, GCC
        - Changed C-Startup to default Startup.
        - Updated Armv8-M Assembler startup to use GAS syntax
          Note: Updating existing projects may need manual user interaction!
      CMSIS-Core(A): 1.2.1 (see revision history for details)
        - Bugfixes for Cortex-A32
      CMSIS-DAP: 2.1.0 (see revision history for details)
        - Enhanced DAP_Info
        - Added extra UART support
      CMSIS-DSP: 1.9.0 (see revision history for details)
        - Purged pre-built libs from Git
        - Enhanced support for f16 datatype
        - Fixed couple of GCC issues
      CMSIS-NN: 3.0.0 (see revision history for details including version 2.0.0)
        - Major interface change for functions compatible with TensorFlow Lite for Microcontroller
        - Added optimization for SVDF kernel
        - Improved MVE performance for fully Connected and max pool operator
        - NULL bias support for fully connected operator in non-MVE case(Can affect performance)
        - Expanded existing unit test suite along with support for FVP
        - Removed Examples folder
      CMSIS-RTOS2:
        - RTX 5.5.3 (see revision history for details)
          - CVE-2021-27431 vulnerability mitigation.
          - Enhanced stack overrun checking.
          - Various bug fixes and improvements.
      CMSIS-Pack: 1.7.2 (see revision history for details)
        - Support for Microchip XC32 compiler
        - Support for Custom Datapath Extension

      CMSIS-Build: 0.9.0 (beta)
        - Draft for CMSIS Project description (CPRJ)
      CMSIS-Core(M): 5.4.0 (see revision history for details)
        - Cortex-M55 cpu support
        - Enhanced MVE support for Armv8.1-MML
        - Fixed device config define checks.
        - L1 Cache functions for Armv7-M and later
      CMSIS-Core(A): 1.2.0 (see revision history for details)
        - Fixed GIC_SetPendingIRQ to use GICD_SGIR
        - Added missing DSP intrinsics
        - Reworked assembly intrinsics: volatile, barriers and clobber
      CMSIS-DSP: 1.8.0 (see revision history for details)
        - Added new functions and function groups
        - Added MVE support
      CMSIS-NN: 1.3.0 (see revision history for details)
        - Added MVE support
        - Further optimizations for kernels using DSP extension
      CMSIS-RTOS2:
        - RTX 5.5.2 (see revision history for details)
      CMSIS-Driver: 2.8.0
        - Added VIO API 0.1.0 (Preview)
        - removed volatile from status related typedefs in APIs
        - enhanced WiFi Interface API with support for polling Socket Receive/Send
      CMSIS-Pack: 1.6.3 (see revision history for details)
        - deprecating all types specific to cpdsc format. Cpdsc is replaced by Cprj with dedicated schema.
      Devices:
        - ARMCM55 device
        - ARMv81MML startup code recognizing __MVE_USED macro
        - Refactored vector table references for all Cortex-M devices
        - Reworked ARMCM* C-StartUp files.
        - Include L1 Cache functions in ARMv8MML/ARMv81MML devices
      Utilities:
        Attention: Linux binaries moved to Linux64 folder!
        - SVDConv 3.3.35
        - PackChk 1.3.89

      CMSIS-Core(M): 5.3.0 (see revision history for details)
        - Added provisions for compiler-independent C startup code.
      CMSIS-Core(A): 1.1.4 (see revision history for details)
        - Fixed __FPU_Enable.
      CMSIS-DSP: 1.7.0 (see revision history for details)
        - New Neon versions of f32 functions
        - Python wrapper
        - Preliminary cmake build
        - Compilation flags for FFTs
        - Changes to arm_math.h
      CMSIS-NN: 1.2.0 (see revision history for details)
        - New function for depthwise convolution with asymmetric quantization.
        - New support functions for requantization.
      CMSIS-RTOS:
        - RTX 4.82.0 (updated provisions for Arm Compiler 6 when using Cortex-M0/M0+)
      CMSIS-RTOS2:
        - RTX 5.5.1 (see revision history for details)
      CMSIS-Driver: 2.7.1
        - WiFi Interface API 1.0.0
      Devices:
        - Generalized C startup code for all Cortex-M family devices.
        - Updated Cortex-A default memory regions and MMU configurations
        - Moved Cortex-A memory and system config files to avoid include path issues

      The following folders are deprecated
        - CMSIS/Include/ (superseded by CMSIS/DSP/Include/ and CMSIS/Core/Include/)

      CMSIS-Core(M): 5.2.1 (see revision history for details)
        - Fixed compilation issue in cmsis_armclang_ltm.h

      The following folders have been removed:
        - CMSIS/Lib/ (superseded by CMSIS/DSP/Lib/)
        - CMSIS/DSP_Lib/ (superseded by CMSIS/DSP/)
      The following folders are deprecated
        - CMSIS/Include/ (superseded by CMSIS/DSP/Include/ and CMSIS/Core/Include/)

      CMSIS-Core(M): 5.2.0 (see revision history for details)
        - Reworked Stack/Heap configuration for ARM startup files.
        - Added Cortex-M35P device support.
        - Added generic Armv8.1-M Mainline device support.
      CMSIS-Core(A): 1.1.3 (see revision history for details)
      CMSIS-DSP: 1.6.0 (see revision history for details)
        - reworked DSP library source files
        - reworked DSP library documentation
        - Changed DSP folder structure
        - moved DSP libraries to folder ./DSP/Lib
        - ARM DSP Libraries are built with ARMCLANG
        - Added DSP Libraries Source variant
      CMSIS-RTOS2:
        - RTX 5.5.0 (see revision history for details)
      CMSIS-Driver: 2.7.0
        - Added WiFi Interface API 1.0.0-beta
        - Added components for project specific driver implementations
      CMSIS-Pack: 1.6.0 (see revision history for details)
      Devices:
        - Added Cortex-M35P and ARMv81MML device templates.
        - Fixed C-Startup Code for GCC (aligned with other compilers)
      Utilities:
        - SVDConv 3.3.25
        - PackChk 1.3.82

      Aligned pack structure with repository.
      The following folders are deprecated:
        - CMSIS/Include/
        - CMSIS/DSP_Lib/

      CMSIS-Core(M): 5.1.2 (see revision history for details)
        - Added Cortex-M1 support (beta).
      CMSIS-Core(A): 1.1.2 (see revision history for details)
      CMSIS-NN: 1.1.0
        - Added new math functions.
      CMSIS-RTOS2:
        - API 2.1.3 (see revision history for details)
        - RTX 5.4.0 (see revision history for details)
          * Updated exception handling on Cortex-A
      CMSIS-Driver:
        - Flash Driver API V2.2.0
      Utilities:
        - SVDConv 3.3.21
        - PackChk 1.3.71

      Updated Arm company brand.
      CMSIS-Core(M): 5.1.1 (see revision history for details)
      CMSIS-Core(A): 1.1.1 (see revision history for details)
      CMSIS-DAP: 2.0.0 (see revision history for details)
      CMSIS-NN: 1.0.0
        - Initial contribution of the bare metal Neural Network Library.
      CMSIS-RTOS2:
        - RTX 5.3.0 (see revision history for details)
        - OS Tick API 1.0.1

      CMSIS-Core(M): 5.1.0 (see revision history for details)
        - Added MPU Functions for ARMv8-M for Cortex-M23/M33.
        - Added compiler_iccarm.h to replace compiler_iar.h shipped with the compiler.
      CMSIS-Core(A): 1.1.0 (see revision history for details)
        - Added compiler_iccarm.h.
        - Added additional access functions for physical timer.
      CMSIS-DAP: 1.2.0 (see revision history for details)
      CMSIS-DSP: 1.5.2 (see revision history for details)
      CMSIS-Driver: 2.6.0 (see revision history for details)
        - CAN Driver API V1.2.0
        - NAND Driver API V2.3.0
      CMSIS-RTOS:
        - RTX: added variant for Infineon XMC4 series affected by PMU_CM.001 errata.
      CMSIS-RTOS2:
        - API 2.1.2 (see revision history for details)
        - RTX 5.2.3 (see revision history for details)
      Devices:
        - Added GCC startup and linker script for Cortex-A9.
        - Added device ARMCM0plus_MPU for Cortex-M0+ with MPU.
        - Added IAR startup code for Cortex-A9

      CMSIS-RTOS2:
      - RTX 5.2.1 (see revision history for details)

      CMSIS-Core(M): 5.0.2 (see revision history for details)
      - Changed Version Control macros to be core agnostic.
      - Added MPU Functions for ARMv7-M for Cortex-M0+/M3/M4/M7.
      CMSIS-Core(A): 1.0.0 (see revision history for details)
      - Initial release
      - IRQ Controller API 1.0.0
      CMSIS-Driver: 2.05 (see revision history for details)
      - All typedefs related to status have been made volatile.
      CMSIS-RTOS2:
      - API 2.1.1 (see revision history for details)
      - RTX 5.2.0 (see revision history for details)
      - OS Tick API 1.0.0
      CMSIS-DSP: 1.5.2 (see revision history for details)
      - Fixed GNU Compiler specific diagnostics.
      CMSIS-Pack: 1.5.0 (see revision history for details)
      - added System Description File (*.SDF) Format
      CMSIS-Zone: 0.0.1 (Preview)
      - Initial specification draft

      Package Description:
      - added taxonomy for Cclass RTOS
      CMSIS-RTOS2:
      - API 2.1   (see revision history for details)
      - RTX 5.1.0 (see revision history for details)
      CMSIS-Core: 5.0.1 (see revision history for details)
      - Added __PACKED_STRUCT macro
      - Added uVisior support
      - Updated cmsis_armcc.h: corrected macro __ARM_ARCH_6M__
      - Updated template for secure main function (main_s.c)
      - Updated template for Context Management for ARMv8-M TrustZone (tz_context.c)
      CMSIS-DSP: 1.5.1 (see revision history for details)
      - added ARMv8M DSP libraries.
      CMSIS-Pack:1.4.9 (see revision history for details)
      - added Pack Index File specification and schema file

      Changed open source license to Apache 2.0
      CMSIS_Core:
       - Added support for Cortex-M23 and Cortex-M33.
       - Added ARMv8-M device configurations for mainline and baseline.
       - Added CMSE support and thread context management for TrustZone for ARMv8-M
       - Added cmsis_compiler.h to unify compiler behaviour.
       - Updated function SCB_EnableICache (for Cortex-M7).
       - Added functions: NVIC_GetEnableIRQ, SCB_GetFPUType
      CMSIS-RTOS:
        - bug fix in RTX 4.82 (see revision history for details)
      CMSIS-RTOS2:
        - new API including compatibility layer to CMSIS-RTOS
        - reference implementation based on RTX5
        - supports all Cortex-M variants including TrustZone for ARMv8-M
      CMSIS-SVD:
       - reworked SVD format documentation
       - removed SVD file database documentation as SVD files are distributed in packs
       - updated SVDConv for Win32 and Linux
      CMSIS-DSP:
       - Moved DSP libraries from CMSIS/DSP/Lib to CMSIS/Lib.
       - Added DSP libraries build projects to CMSIS pack.

      - CMSIS-Core     4.30.0  (see revision history for details)
      - CMSIS-DAP      1.1.0   (unchanged)
      - CMSIS-Driver   2.04.0  (see revision history for details)
      - CMSIS-DSP      1.4.7   (no source code change [still labeled 1.4.5], see revision history for details)
      - CMSIS-Pack     1.4.1   (see revision history for details)
      - CMSIS-RTOS     4.80.0  Restored time delay parameter 'millisec' old behavior (prior V4.79) for software compatibility. (see revision history for details)
      - CMSIS-SVD      1.3.1   (see revision history for details)

      - CMSIS-Core     4.20   (see revision history for details)
      - CMSIS-DSP      1.4.6  (no source code change [still labeled 1.4.5], see revision history for details)
      - CMSIS-Pack     1.4.0  (adding memory attributes, algorithm style)
      - CMSIS-Driver   2.03.0 (adding CAN [Controller Area Network] API)
      - CMSIS-RTOS
        -- API         1.02   (unchanged)
        -- RTX         4.79   (see revision history for details)
      - CMSIS-SVD      1.3.0  (see revision history for details)
      - CMSIS-DAP      1.1.0  (extended with SWO support)

      - CMSIS-Core     4.10   (Cortex-M7 extended Cache Maintenance functions)
      - CMSIS-DSP      1.4.5  (see revision history for details)
      - CMSIS-Driver   2.02   (adding SAI (Serial Audio Interface) API)
      - CMSIS-Pack     1.3.3  (Semantic Versioning, Generator extensions)
      - CMSIS-RTOS
        -- API         1.02   (unchanged)
        -- RTX         4.78   (see revision history for details)
      - CMSIS-SVD      1.2    (unchanged)

      Adding Cortex-M7 support
      - CMSIS-Core     4.00  (Cortex-M7 support, corrected C++ include guards in core header files)
      - CMSIS-DSP      1.4.4 (Cortex-M7 support and corrected out of bound issues)
      - CMSIS-Pack     1.3.1 (Cortex-M7 updates, clarification, corrected batch files in Tutorial)
      - CMSIS-SVD      1.2   (Cortex-M7 extensions)
      - CMSIS-RTOS RTX 4.75  (see revision history for details)

      - fixed conditions preventing the inclusion of the DSP library in projects for Infineon XMC4000 series devices

      - CMSIS-Driver   2.02  (incompatible update)
      - CMSIS-Pack     1.3   (see revision history for details)
      - CMSIS-DSP      1.4.2 (unchanged)
      - CMSIS-Core     3.30  (unchanged)
      - CMSIS-RTOS RTX 4.74  (unchanged)
      - CMSIS-RTOS API 1.02  (unchanged)
      - CMSIS-SVD      1.10  (unchanged)
      PACK:
      - removed G++ specific files from PACK
      - added Component Startup variant "C Startup"
      - added Pack Checking Utility
      - updated conditions to reflect tool-chain dependency
      - added Taxonomy for Graphics
      - updated Taxonomy for unified drivers from "Drivers" to "CMSIS Drivers"

      - CMSIS-RTOS 4.74 (see revision history for details)
      - PACK Extensions (Boards, Device Features, Flash Programming, Generators, Configuration Wizard). Schema version 1.1.