apt cannot revert, not even in principle. snap can in principle, and it should just be one command. It looks like it didn't work in this case because of a bug i

apt cannot revert, not even in principle. snap can in principle, and it should just be one command. It looks like it didn't work in this case because of a bug in Rocket.Chat's snap packaging. But bugs happen in everything despite their packaging format, and most users are affected by regressions in apt package updates anyway.