We are pleased to announce the mbed OS 5.5.4 release is now available. This release includes 3 new targets: LPCXpresso54114, LPCXpresso54608 and VBLUno52.

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

Ports for Upcoming Targets

• 4290: Add mbed support for LPCXpresso54114 & LPCXpresso54608 boards

• 4765: Add support for the VBLUno52 board

Fixes and Changes

• 4620: Extend tests for RTOS Thread class

• 4640: STM32L1 Flash API and xDot bootloader support

• 4664: STM32: Fix the CAN initializing to the wrong frequency

• 4676: Correctly enable / disable InterruptIn Edges detection

• 4682: Test: RTOS: Semaphore: Rework tests

• 4687: STM: cleanup mbed_rtx.h file

• 4708: Enable greentea testing on CM3DS_MPS2 target

• 4733: Prevent double define in very old builds

• 4718: Toolchain: Add a note about weak functions and header files

• 4732: Correct DAC pin assignment

• 4727: Update UART3 pins for UBLOX_C030 platform.

• 4745: WIZnet W7500*: Remove support for RTC

• 4751: Remove redundant ODIN-W2 target folder

• 4662: BLE/HRM : Fix #4661

• 4740: STM32 : Clock source selection in json config file (PR2)

• 4696: Max32630 UART: Fix IRQ dispatching and CTS/RTS line configuration

• 4615: Add set_baud() method to UARTSerial().

• 4706: Fix inconsistent mbed-trace dummy defines and original function declarations

• 4721: REALTEK_RTL8195AM: FlashIAP read and address scope

• 4717: STM32: Remove i2c_read() and i2c_write() redirects to HAL_I2C_IsDeviceReady()

• 4726: Update ATCmdParser example code

• 4731: Boot: Make ARMC library mutexes dynamic

• 4734: Avoid data loss with serial interrupt used at high baudrates

• 4754: Resolve TLS handshake failing issue for REALTEK_RTL8195AM

• 4756: Fix #4613: remove duplicated startup files for MICRONFCBOARD

• 4762: DISCO_L475VG_IOT : pin update

• 4764: STM32F0 : remove unavailable pins

• 4774: Add support for runtime test specification

• 4775: Fix non-portable defines

• 4778: Add AES HW encryption for NUCLEO_F756ZG in mbedtls

• 4782: mbed-hal: Fixed flash test

• 4793: STM32 I2C : correct async issue

• 4794: NUCLEO_F767ZI : boot issue with GCC

• 4714: Expose SystemCoreClock via cmsis.h to support new CMSIS/RTX

• 4744: Allow user to set default transfer byte for block read

• 4807: LPC MCUXpresso: fix write_fill argument for block write function

• 4742: Deprecate unsupported exporters

• 4729: RTOS: Mutex: Rework tests

• 4715: Nanostack+mbed-client libservice update

• 4738: ONME-3113: Fix GCC_ARM and ARM compiler warnings from mbed-mesh-api

• 4755: Bluepill: hse config fix

• 4790: Improve documentation for memory stat ops

• 4800: Fix infinite calling loop

• 4804: Copy static files only

Using the release

You can fetch the mbed OS 5.5.4 release from the mbed-os GitHub repository, using the tag "mbed-os-5.5.4". Please feel free to ask any questions or provide feedback on this release here, or to contact us at support@mbed.org.