nRF Connect SDK v2.1.1 Release Notes
nRF Connect SDK delivers reference software and supporting libraries for developing low-power wireless applications with Nordic Semiconductor products in the nRF52, nRF53, nRF70, and nRF91 Series. The SDK includes open source projects (TF-M, MCUboot, OpenThread, Matter, and the Zephyr RTOS), which are continuously integrated and redistributed with the SDK.
Release notes might refer to “experimental” support for features, which indicates that the feature is incomplete in functionality or verification, and can be expected to change in future releases. To learn more, see Software maturity levels.
This minor release adds the following changes on top of the nRF Connect SDK v2.1.0:
Updated the Matter solution by integrating a newer Matter SDK tagged as v1.0.0. Support for Matter over Thread is no longer experimental.
See Changelog for the complete list of changes.
The release tag for the nRF Connect SDK manifest repository (https://github.com/nrfconnect/sdk-nrf) is v2.1.1.
west.yml file for the corresponding tags in the project repositories.
For information on the included repositories and revisions, see Repositories and revisions for v2.1.1.
nRF Connect for Visual Studio Code extension is the only officially supported IDE for nRF Connect SDK v2.1.1. SEGGER Embedded Studio Nordic Edition is no longer tested or recommended for new projects.
See Modem firmware compatibility matrix for an overview of which modem firmware versions have been tested with this version of the nRF Connect SDK.
Known issues are only tracked for the latest official release. See known issues for nRF Connect SDK v2.1.1 for the list of issues valid for the latest release.
The following sections provide detailed lists of changes by component.
This section provides detailed lists of changes by protocol.
The Matter fork in the nRF Connect SDK (
sdk-connectedhomeip) contains all commits from the upstream Matter repository up to, and including,
The following list summarizes the most important changes inherited from the upstream Matter:
Updated Matter repository to the official Matter 1.0 version tag.
This section provides detailed lists of changes by application.
Thingy:53 Matter weather station
Added new factory data, PICS, and configuration overlay files. These are useful for getting to know the Matter certification process.
Updated the documentation page with a new section about the certification files, available only in Matter weather station application from the v2.1.1.
Updated ZAP configuration of the samples to conform with device types defined in Matter 1.0 specification.
The Zephyr fork in nRF Connect SDK (
sdk-zephyr) contains all commits from the upstream Zephyr repository up to and including
This is the same commit ID as the one used for nRF Connect SDK v2.1.0.