Mozilla engineers have decided that starting with Firefox 56 they will silently and forcibly auto-upgrade some users of 32-bit Firefox to 64-bit versions. Obviously, the only ones that will be ...
Firefox 144 will be the last for 32-bit Linux – and when Firefox ESR 140 expires next year, older systems will be completely without the browser. Mozilla will stop supporting Firefox for 32-bit Linux ...
Mozilla will stop supporting Firefox for 32-bit Linux systems in 2026. However, most major Linux distributions for the desktop, such as Ubuntu and Fedora, no longer provide 32-bit support anyway.