Up so far, my experience with Flatpak has been similar. Unfortunately. I had good experiences with Appimages although. #opensource nostr:nevent1qqsywaqdy4984syjpuy3stgtqj5emnw3mnfwu78e6chcuw20662mvmgpzamhxue69uhhyetvv9ujumn0wd68ytnzv9hxgtczyrdy33ws2gag8h0nta0a0dy3dptuetrvrvtg20arq9jpa5ghnyd3zqcyqqqqqqg5xqd07
You might take a look at NixOS, if you want immutable and consistent behavior
As a Gentoo user, I have been eyeballing NixOS and Guix for quite sometime. Just didn't took the plunge yet because I'm too invested on Gentoo ecosystem.