# RELEASE NOTES

15 December 2025 - Apache NimBLE v1.9.0

For full release notes, please visit the
[Apache Mynewt Wiki](https://cwiki.apache.org/confluence/display/MYNEWT/Release+Notes).

Apache NimBLE is an open-source Bluetooth 5.4 stack (both Host & Controller) that completely
replaces the proprietary SoftDevice on Nordic chipsets.

New features in this version of NimBLE include:

* Characteristic Extended Properties descriptor in GATT server
* Framed PDUs in ISO Adaptation Layer

If working on next-generation RTOS and Bluetooth protocol stack
sounds exciting to you, get in touch, by sending a mail to the Apache Mynewt
Developer's list, dev@mynewt.apache.org.
