I don't like to be that guy that says, "Works for me", but I don't notice problems with Firefox here. In fact, it's rock solid and I'm on 12.8 with all updates running GNOME. I have seen Chromium become quite sluggish when certain Web pages are loaded but this hasn't affected Firefox. I probably have over 200 tabs open in two windows and it runs for perhaps weeks at a time usually until another FF update or some other update that requires logging out or a restart comes along.
I do have 16GB of RAMi and 16 GB of swap on an SSD. I routinely have multiple terminal windows open and multiple Libre Office Calc windows, and other apps running. This Core i5 just cruises along with its dual displays with all that going on. Have you tried clearing the browser cache? In times past that used to help a lot but even these days it's not something I do often. - Nate -- "The optimist proclaims that we live in the best of all possible worlds. The pessimist fears this is true." Web: https://www.n0nb.us Projects: https://github.com/N0NB GPG fingerprint: 82D6 4F6B 0E67 CD41 F689 BBA6 FB2C 5130 D55A 8819
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