i don't want to overdo it, therefore my last suggestion. it doesn't hurt anyone (except me, if it doesn't find any response *lol*). i come from silverblue/hybrid-ostree (besides windows), too. but for ethical reasons i can't use this os anymore (neither windows nor silverblue).

today i found this:

https://doc.qt.io/QtOTA/

qt-ostree, atomic updates, rollback, et cetera. would that be a way for kde - neon based on Qt? are there any plans? if not, ignore me.