Release notes

All the notable changes to the Zigbee R23 add-on for the nRF Connect SDK are listed here. See also the Release notes for the nRF Connect SDK and the ZBOSS R23 changelog.

The Zigbee R23 add-on v1.3.0 is compatible with nRF Connect SDK v3.2.0 and uses the ZBOSS stack version 4.2.2.4. For a full list of Zigbee R23 add-on releases, related nRF Connect SDK and ZBOSS stack and NCP host package versions, view the following table:

Zigbee R23 add-on version

nRF Connect SDK version

ZBOSS stack version

NCP host version

1.3.0

2.9.2

4.2.2.4

3.6.0

1.2.1

4.2.2.3

3.5.0

1.2.0

2.9.0

4.2.2.0

3.4.0

1.1.0

3.3.0

1.0.0

4.2.0.0

3.2.0

0.4.0

4.1.14.0

3.1.0

0.3.1

4.1.4.2

3.0.1

0.3.0

0.2.0

2.8.0

3.0.0

0.1.0

N/A

Zigbee R23 add-on v1.3.0 - 23/02/2026

The following release is supported.

  • Added:

    • Support for the nRF52833 SoC.

    • The new ZBOSS R23 v4.2.2.4.

    • The ZBOSS NCP Host package v3.6.0.

  • Updated:

    • Several documentation improvements and clarifications, including a known issues page and a migration guide from R22 to R23.

    • Adjusted keepalive mechanism in Zigbee: Light switch sample.

    • The content of the File Version field format from OTA Header.

    • Fixed the TC rejoin mechanism after a failed attempt.

Zigbee R23 add-on v1.2.1 - 10/10/2025

The following release is supported.

  • Added:

    • Support for the nRF Connect SDK v2.9.2.

    • The new ZBOSS R23 v4.2.2.3.

    • The ZBOSS NCP Host package v3.5.0 with improved NCP host application.

  • Updated:

    • The CMSA-CA parameters to improve joining performance in dense networks.

    • The documentation to reflect the changes.

Zigbee R23 add-on v1.2.0 - 21/08/2025

The following release is supported.

  • Added:

    • Support for the nRF5340 SoC.

    • The ZBOSS NCP Host package v3.4.0.

  • Updated the documentation to reflect the changes.

Zigbee R23 add-on v1.1.0 - 08/08/2025

The following release is supported.

  • Added:

    • A fix for the nRF54L10 memory layout.

    • CCA ED threshold for nRF54L and nRF52840 SoCs adjusted to correspond to -75dBm.

    • The new ZBOSS R23 v4.2.2.0.

    • The ZBOSS NCP Host package v3.3.0.

  • Updated the documentation to reflect the changes.

Zigbee R23 add-on v1.0.0 - 07/07/2025

The following release is supported.

  • Added:

    • Production-ready support for the nRF52840, nRF54L15, nRF54L10, and nRF54L05 SoCs. However, the released Zigbee libraries are not certified.

    • FOTA support for the nRF52840, nRF54L15, and nRF54L10 SoCs, with an example of usage provided in the Light switch sample.

    • The new ZBOSS R23 v4.2.0.0.

    • The ZBOSS NCP Host package v3.2.0.

  • Updated the documentation to reflect the changes.

Zigbee R23 add-on v0.4.0 - 31/03/2025

This is an experimental release.

  • Added:

    • Experimental support for the ZBOSS R23 stack for the nRF52840 SoC. Released Zigbee libraries are not certified.

    • The new ZBOSS R23 v4.1.14.0.

    • The ZBOSS NCP Host package v3.1.0.

  • Updated the documentation with information regarding the nRF52840 SoC support.

Zigbee R23 add-on v0.3.1 - 14/01/2025

This is an experimental release.

  • Added:

    • Fix ZCL common function.

Zigbee R23 add-on v0.3.0 - 10/01/2025

This is an experimental release.

  • Added:

    • Experimental support for the ZBOSS R23 stack for the nRF54L10 and nRF54L05 SoCs. Released Zigbee libraries are not certified.

    • The ZBOSS NCP Host package v3.0.1.

    • Flash and RAM memory usage optimization.

  • Updated the documentation with nRF54L10 and RF54L05 support.

Zigbee R23 add-on v0.2.0 - 28/11/2024

This is an experimental release.

  • Added:

    • The NCP sample.

    • The ZBOSS NCP Host package v3.0.0.

  • Updated the documentation with small improvements.

Zigbee R23 add-on v0.1.0 - 15/11/2024

Initial release.