What add-ons do you have installed? I've never had a problem like this in Firefox, in the 10+ years it has been my primary browser (on Windows though). Have you done a memory test too? Something definitely sounds broken here.
I've ran into weird issues like that before. After so many updates, I'm guessing something gets broken somewhere, somehow.
Back up your extension settings and bookmarks, and do a fresh install of it. Bit of a nuisance but usually fixes any weird behaviour in my experience.
Paste a few links from about:crashes here. If you click on them, you might find the associated bug (if it exists).
Firefox should literally never crash. If it does, that's a serious bug (but especially on Windows, not necessarily in Firefox itself).
That doesn’t sound normal. Perhaps your profile is in some sort of inconsistent state after years of usage? Maybe give it a try with a new empty profile as well.
Re:Tab Unloading in Firefox 93
by hsbauauvhabzb on Tuesday October 05, 2021 @06:17PM
(#28766437)
Recently switched to chrome as a many tab used, it’s less stable than Firefox for me.
Re:Tab Unloading in Firefox 93
by BikeHelmet on Wednesday October 06, 2021 @09:04AM
(#28772638)
You may want to try Opera. I found it more stable than Chrome, at least after spending an hour in the Settings and about:flags disabling all the extra features that I didn't need.
I still use it because it's better than Chrome, and I wouldn't touch Brave with a 10 foot pole.