No end date
Mozilla Firefox ESR 115
Updated continuously, with no end date published. The newest release is 115.43.0, published 13 Oct 2026.
What to do
The publisher updates Mozilla Firefox ESR 115 continuously and states no end date. Stay on the newest release, 115.43.0.
115.43.0Newest release · 1d ago
8Releases in the last 12 months · typically every 14 days
Is your version current?
Compared with the publisher's releases of this lineReleases of Mozilla Firefox ESR 115
8 collected, newest firstWhat changed
First observed 14 Oct 2026No field changes in the recorded history.
Cite this recorded revision to keep the same title, summary, facts and links when the page changes.
A day selects the latest observation by the end of that UTC day; today's selection can change until midnight. History starts when this installation records it.
Keep track
- Mozilla Firefox RSS feed: new releases, known issues, retirements and roadmap changes.
- What I run: list the versions you run and see which fall behind or out of support.
- Everything about Mozilla Firefox: its timeline, notices, roadmap and other lines.