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Firefox has a lot of issues, but maybe we don't have any other option.
(www.bleepingcomputer.com)
A place to discuss the news and latest developments on the open-source browser Firefox
They provide official deb and rpm builds for linux, which get updated in the usual ways. I don't know about windows but the website says:
Librewolf is also available as a Flatpak
The LibreWolf WinUpdater works great. You get a small pop-up when there's an update and it updates super quickly (in my experience in like 15 seconds).