mbed OS 5.4.3 Release Available

We are pleased to announce the mbed OS 5.4.3 release is now available. This release includes new target support for nRf52840 and UBLOX_C030. There are also a number of bug fixes to improve the stability of the code and improvements to the tools.

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

Known Issues

The following list of known issues apply to this release:


Ports for Upcoming Targets

  • 3841: Add nRf52840 target
  • 3992: Introducing UBLOX_C030 platform.

Fixes and Changes

  • 3951: [NUCLEO_F303ZE] Correct ARDUINO pin
  • 4021: Fixing a macro to detect when RTOS was in use for the NRF52840_DK
  • 3979: KW24D: Add missing SPI defines and Arduino connector definitions
  • 3990: UBLOX_C027: construct a ticker-based wait, rather than calling wait_ms(), in the
  • 4000: Add some type checking of configs
  • 4003: Fixed OBOE in async serial tx for NRF52 target, fixes #4002
  • 4012: STM32: Correct I2C master error handling
  • 4020: NUCLEO_L011K4 remove unsupported tool chain files
  • 4046: USBHOST : fix device disconnection from hub during hub port reset
  • 4049: tools - turn off page alignment of sections
  • 4065: K66F: Move bss section to m_data_2 Section
  • 4014: Issue 3763: Reduce heap allocation in the GCC linker file
  • 4030: [STM32L0] reduce IAR heap and stack size for small targets
  • 4060: lpc1768: Remove invalid use of IP_SOF_BROADCAST_RECV option
  • 4070: Elide adding regions to profile when empty
  • 4072: Removed superfluous space
  • 4085: Fix mbed-cli issue #468. Add LPCTargetCode.lpc_patch to POST_BINARY_WHITELIST
  • 4101: Modify semihost_disabledebug() to support more interface FW revs
  • 4109: NUCLEO_L476RG : minor serial pin update
  • 3911: IAR exporter: extended debugger settings template with modifiable options needed for Nordic targets
  • 3982: Ticker - kl25z bugfix for handling events in the past
  • 4112: Only link in LPC17xx ethernet ISR as needed
  • 4098: Raise error when mbed_app.json is bad

Using the release

You can fetch the mbed OS 5.4.3 release from the mbed-os GitHub repository, using the tag "mbed-os-5.4.3". Please feel free to ask any questions or provide feedback on this release here, or to contact us at support@mbed.org.

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