We are pleased to announce the Mbed OS 5.5.6 release is now available. This release includes support for new targets NUMAKER_PFM_M487 and TOSHIBA TMPM066, an update of mbed-coap to version 4.0.9, plus numerous bug fixes to improve code reliability.

Here is a full list of all changes and fixes in this release...

Known Issues

• 4928: AES hardware acceleration not working for STM32F439xI

Ports for Upcoming Targets

• 4608: Support Nuvoton's new target NUMAKER_PFM_M487

• 4840: Add Support for TOSHIBA TMPM066 board

Fixes and Changes

• 4801: STM32 CAN: Fix issue with speed function calculation

• 4808: Make HAL & US tickers idle safe

• 4812: Use DSPI SDK driver API's in SPI HAL driver

• 4832: NUC472/M453: Fix several startup and hal bugs

• 4842: Add call to DAC_Enable as this is no longer done as part

• 4849: Allow using of malloc() for reserving the Nanostack's heap.

• 4850: Add list of defines to vscode exporter

• 4863: Optimize memory usage of wifi scan for REALTEK_RTW8195AM

• 4869: HAL LPCs SPI: Fix mask bits for SPI clock rate

• 4873: Fix Cortex-A cache file

• 4878: STM32 : Separate internal ADC channels with new pinmap

• 4392: Enhance memap, and configure depth level

• 4895: Turn on doxygen for DEVICE_* features

• 4817: Move RTX error handlers into RTX handler file

• 4902: Using CMSIS/RTX Exclusive access macro

• 4923: fix export static_files to zip

• 4844: bd: Add ProfilingBlockDevice for measuring higher-level applications

• 4896: target BLUEPILL_F103C8 compile fix

• 4921: Update gcc-arm-embedded PPA in Travis

• 4926: STM32L053x8: Refactor NUCLEO_L053R8 and DISCO_L053C8 targets

• 4831: Remove excessive use of printf/scanf in mbed_fdopen/_open

• 4922: bug fix: xdot clock config

• 4935: STM32: fix F410RB vectors size

• 4940: Update mbed-coap to version 4.0.9

• 4941: Update of MemoryPool.h header file.

Using the release

You can fetch the mbed OS 5.5.6 release from the mbed-os GitHub repository, using the tag "mbed-os-5.5.6". Please feel free to ask any questions or provide feedback on this release here, or to contact us at support@mbed.org.