Firefox 151 EOS & EOL timeline
Check Firefox 151 release, end-of-support (EOS), end-of-life (EOL) and extended-support dates. End of life.
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151
End of life- Released
- End of life (EOL)
- End of support (EOS)
- Not announced
- Extended support
- Not announced
Support milestones: end of support = Active support; end of life = Security Support. Unknown dates are shown as “Not announced”. Paid extended support is separate from standard end of life. Support windows may vary by version and edition. Timeline spacing is not a duration scale.