@karsten13 I appreciate the info!
It does sound like a full reimage is advised if Bullseye will be out of support soon.
And to close the loop for others finding this, it looks like I just overlooked the notes about x11 in the forum post that was linked from the release: https://forum.magicmirror.builders/topic/20138/upcoming-release-april-1-2026-breaking-changes-some-operational-changes
