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Firefox is on the brink of being dropped by the US Government
(www.brycewray.com)
This is a most excellent place for technology news and articles.
My doctor's weird video chat doesn't work in Firefox (and even in Chrome it's barely functional probably because it hasn't been updated since before the pandemic), but other than that singular example, everything else works fine. I think most people parroting complaints about Firefox just haven't used it recently enough to realize that it's fine in 99.9% of cases.
You may want to complain to your doctor if you haven't done so yet...