Firefox 134
Firefox 134 reached end of life 20 months ago.
Supported now: Firefox 115 (LTS until 2027-03-31), Firefox 153 (no announced date), Firefox 158 (until 2026-10-27)
Facts
- Released
- (21 months ago)
- Security support ended
- (20 months ago)
- Latest release
- 134.0.2, (21 months ago)
- Source
- endoflife.date (checked 2026-09-09)
Keelbench tracks end-of-life dates for 469 products, updated daily. Check your repositories against these dates with Deps.