I believe the immutable distros you’re referring to are Fedora Silverblue and Fedora Kinoite.

Yes. I do have some applications installed as flatpak. What’s the problem?

What issues do you face with Flatpak?

I don’t get it. Do you have two versions of Firefox installed?

Clear the cache and cookies.

Did the v0.18.3 update of Lemmy really result in an 80% reduction in size in the PostgreSQL database? How did they manage to do it?