ARM 编译器
• updated to ARM Compiler 5.03u2 for latest improvements and bug fixes
  
  • adds support for Cortex-A12 (--cpu Cortex-A12)
  • for further information on improvements see http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.arn0005l/index.html
    
  
  
ARM Streamline 性能分析器
• Capture & Analysis Options dialog adds a Keep option to limit the amount of data to process from a capture session
• per-cpu disclosure added to the real-time live display
• CPU Wait charts are now user configurable
• Log view allows filtering on When and Duration
• performance of .apc file generation is improved
• redesigned interface for displaying warnings
  
DS-5
• separate installers are provided for 32-bit and 64-bit Windows
  
DS-5 调试器
• processor support extended to include Cortex-A12
• watchpoints are now supported when connected to CADI simulation models
• added OS awareness for FreeRTOS™ on Cortex-M family devices
• added OS awareness for Micrium® μCOS-III® on Cortex-M family devices
• breakpoint and memory commands now set an internal $ variable with the breakpoint or memory region number so that these can be used in subsequent scripting commands
• new command newvar allows creation of new variables in DS scripts
• new address space AXI: provides direct memory access via a CoreSight™ Debug Access Port
• cdbimporter now supports Embedded Trace FIFO (ETF) and Embedded Trace Router (ETR) devices
• device support extended to include: Avnet ZedBoard, Freescale i.MX6 Dual, Mindspeed T2200 / T3300, pandaboard.org OMAP 5432, Renesas RZ/A1H R7S721001, ST-Ericsson U8540, TI OMAP 543X and TI TMDX570LS04HDK / TMDX570LS12HDK / TMDX570LS31HDK / TMDXRM42HDK / TMDXRM46HDK / TMDXRM48HDK
  
DSTREAM/RVI
• new 4.12.0 version of firmware included
• support added for > 32-bit addresses on AXI-AP
• drive strengths of the JTAG/SWD signals on the DSTREAM probe are reduced to prevent signal reflection issues with certain targets
• improved support for large multi-core systems containing Cortex devices
  
Eclipse IDE
• removed a limitation on linker command line lengths when building projects on Windows host platforms
• License Manager dialog provides a diagnostics tab to help resolve licensing errors
• improved visibility of product update notifications
  
Examples
• new projects Freescale-Vybrid-VF6xx-A5_RAM and Freescale-VF6xx-M4_RAM in Bare-metal_boards_examples.zip demonstrate basic bare-metal applications running on Freescale Vybrid VF6xx devices
• ports of RTX for Renesas RZ/A1 device and GENMAI board are included in CMSIS_RTOS_RTX.zip
  
GCC 工具链:
• updated to Linaro GCC Toolchain 2013.03 for Linux applications and Linux kernel
  
Simulation Models
• pre-supplied Real-Time Simulation Models (RTSM) are rebranded to Fixed Virtual Platforms (FVP)
  

以下功能已经过时，在将来的版本中会删除:

仿真模型
• Cortex-A8 simulation model for Emulation Baseboard is deprecated
  
主机支持
• support for Ubuntu Desktop Edition 10.04 LTS is deprecated
  


Information about the full set of target platforms supported by DS-5 can be found onhttp://www.arm.com/products/tools/software-tools/ds-5/supported-platforms.php.
The list of changes in this and previous releases can be found on http://www.arm.com/products/tools/software-tools/ds-5/change-log.php.