Migration notes for nRF Connect SDK v2.9.0

This document describes the changes required or recommended when migrating your application from nRF Connect SDK v2.8.0 to nRF Connect SDK v2.9.0.

Required changes

The following changes are mandatory to make your application work in the same way as in previous releases.

Recommended changes

The following changes are recommended for your application to work optimally after the migration.

Samples and applications

This section describes the changes related to samples and applications.

Matter

• For the Matter samples and applications:

  • The Matter watchdog mode has been changed. Previously, the Matter watchdog pause mode was enabled by default for all Matter samples. Now, this mode is disabled and all Matter watchdog sources must be fed within the specified time window.

    To re-enable the pause mode, set the CONFIG_NCS_SAMPLE_MATTER_WATCHDOG_PAUSE_IN_SLEEP Kconfig option to y.