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microcontroller development kit - version 5.23

• [arm compiler]
• the arm compiler 6.6 can be used now with all code size restricted  product variants.
• updated:  library to version 1.5.0.
• updated:  api to version 2.1 and the rtx kernel to version 5.1.0.
• the filesystem, usb, and network libraries have been made rtos agnostic which allows the usage of  or . all os calls are external and at compile time available.
• updated the  to version 6.9.4.
• added: parameter checking for finfo and corrected the behavior when a specified drive is unmounted.
• updated: arm compiler 6 compatible configuration files.
• updated the  to version 6.10.0.
•  corrected: a deadlock which occurs when a usb flash disk is disconnected while there was active read or write to it.
• updated the  to version 7.4.0.
• [flexnet floating licenses]
• customers using flexnet floating licenses should update the flexnet license server to version 11.14.1.0. this flexnet server version is mandatory for upcoming tool releases.
• flexnet version 11.14.1.0 license server tools for windows are located in the directory ..\keil\uv4\flexnet. refer the  knowledgebase article for more information.
• flexnet version 11.14.1.0 license server tools are also available on  for other hosts platforms.
• [target debugging]
• updated: ulinkpro firmware to version 1.58, which corrects connectivity issues for low supply voltage targets.
• improved: multi-core debug stability for cmsis-dap debuggers.
• improved: download of large applications into ram at low debug clock frequencies of the ulinkpro debugger.
• enhanced: reset type selection in the debug setup dialog. the setup is now based on the cmsis pack information.
• updated: p&e micro driver to version 6.27.
• improved: packinstaller can import software components from other sources located on your computer or on a mapped network drive and manage them as separate software packs.
• added: option check for updates on launch to download any updated pdsc file form  when the packinstaller is started.
• improved:  configurations are available for arm compiler 5 and 6. misra c 1998, 2004, 2012 and misra c 2008 coding guidline setups are included.
• added: ability to export  data into *.gcov format.
• enhanced: printf support for cortex-m0/m0  based devices by redirecting the  printf-events to the 
• added: support for target access functions queryvalue(), message(), and loaddebuginfo() in the cmsis-pack  section.
• [supported operating systems]
• refer to  for hardware and operating system requirements.