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Firefox 32-bit Linux Support to End in 2026

For many years, Mozilla has continued to provide Firefox for 32-bit Linux systems long after most other browsers and operating systems ended support. We made this choice because we care ...

We made this choice because we care deeply about keeping Firefox available to as many people as possible, helping our users extend the life of their hardware and reduce unnecessary obsolescence. Today, however, 32-bit Linux (on x86) is no longer widely supported by the vast majority of Linux distributions, and maintaining Firefox on this platform has become increasingly difficult and unreliable. For users who cannot transition immediately, Firefox ESR 140 will remain available — including 32-bit builds — and will continue to receive security updates until at least September 2026.

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