We are pleased to announce the mbed OS 5.5.3 release is now available. This release includes only bugfixes.

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

Fixes and Changes

• 4446: Customer port verification tests for cellular

• 4531: Update branching option to branch from another branch.

• 4672: Cellular: not-supported error if MODEM_ON_BOARD not defined

• 4468: Put quotes around include files

• 4685: Rename runnig_thread to running_thread in rtx_mutex

• 4163: STM32L486RG/mbedtls: add aes hw acceleration

• 4659: Add the correct startup s file in TARGET_STM32F767

• 4215: Add script to lint targets.json

• 4711: added the missing verbose=verbose to printout the command line correctly at build_api.py

• 4710: Correct a typo in the github issue template

• 4636: Double escape defines in gnuarmeclipse export

• 4635: _acquire() function added & removed duplication in format/freq calls

• 4548: Resolve Warnings for mbed-os-examples

• 4547: Sort the config parameters before printing them

• 4546: Fix bad test print and move locks for printf into macro.

• 4599: Update timing tests to be robust

• 4720: FlashIAP: Add explicit read function to flash_api.h

• 4525: Improve the startup code on the STM32F070

• 4561: fatfs: Add full support for multiple fs volume prefixes

• 4674: Fix LED4 for UBLOX_EVK_NINA_B1

• 4749: tools: fix toolchain extend inc paths

• 4747: Remove unused header files includes for REALTEK_RTL8195AM

• 4736: NRF52832: Extend idle thread stack size to 512 bytes.

• 4707: STM32: serial: use proper macro to check interrupt

• 4699: STM32L0 : internal ADC channels

• 4694: DISCO_L475VG_IOT01A: typo corrections in PeripheralPins.c

• 4693: Nordic: Fix multiple defined symbol.

• 4691: STM32: F4: Increase ADC sampling time for VBAT

• 4677: Increase default PPP stack size from 512 bytes to 768 bytes.

• 4668: DISCO/NUCLEO_F429ZI: Enable all alternate functions and pins

• 4667: Update and mute debug messages of REALTEK_TRL8195AM

• 4666: Fix timing issues found in "Flash - clock and cache test"

• 4652: fatfs: Fix unaligned access in disk_ioctl

• 4592: [ONME-3089] - Adjust lowpan ND interface connect timeout

• 4634: Fix the issue #4357: NRF52 doesn't support simultaneous use of I2C and SPI.

• 4725: Parse and use custom targets in exporters

Using the release

You can fetch the mbed OS 5.5.3 release from the mbed-os GitHub repository, using the tag "mbed-os-5.5.3". Please feel free to ask any questions or provide feedback on this release here, or to contact us at support@mbed.org.