Particle Tools Changelog

July 20th 2023: Device OS v5.4.1

This is a release on non-LTS feature development branch (5.x). To learn more about our new LTS release line, read our blog post.

Note: This is a Release and may be used for production.

You can view information about Device OS versions, upgrades and downgrades here.



  • [rtl872x] dynamically enable Wi-Fi stack on demand #2664
  • [rtl872x] linker: stop relying on .dynalib + .psram_text being contiguous and properly and similarly aligned within LMA and VMA, just copy them separately #2665
  • [rtl872x] fix BLE race condition #2664

:star2: Be sure to read the full collection of release notes Particle Device OS Updates Thread.