Release Notes :
https://docs.mcuxpresso.nxp.com/matter/v4.0/html/mcu/release/release_note.html,
Known issue :
https://docs.mcuxpresso.nxp.com/matter/v4.0/html/mcu/release/known_issues.html
full documentation entry point :
https://docs.mcuxpresso.nxp.com/matter/v4.0/html/mcu/getting_started/index.html