I love Firefox and never had issues, except at work. For some odd reason it will break, all tabs will look white and all I see is a loading icon on the middle no matter what tab I click on ruining my workflow. No idea what that's about since at home Firefox works fine, Chrome seems to work fine at work on the other hand. I guess I'll be using Chrome at work and Firefox at home till I figure out how whats causing the…
I narrowed down the problem to that add on by selectively disabling them.
Uninstalling and reinstalling uBlock fixed it.
YMMV, but figured I ought to speak up :)