Zephyr 1.9.0 tagged

Nashif, Anas


We are pleased to announce the release of Zephyr v1.9.0.


Major enhancements planned with this release include:

  • Bluetooth 5.0 Support (all features except Advertising Extensions)
  • Bluetooth Qualification-ready BLE Controller
  • BLE Mesh
  • Lightweight Machine to Machine (LwM2M) support
  • Pthreads compatible API
  • BSD Sockets compatible API
  • MMU/MPU (Cont.): Thread Isolation, Paging
  • Expand Device Tree support to more architectures and boards
  • Revamp Test-suite, Increase Coverage
  • Stack Sentinel support

Detailed changes since v1.8.0 can be found here:


Thanks to all who contributed to this release.

With this release, master is open again for development and new features targeting v1.10 which will be released end of November.