Firefox Releases
This is a list of versions released by Mozilla Firefox in the Release channel in the past one year.
The list is synced with whattrainisitnow.com every 3 hours.
There is an RSS feed available here, and a json data file here.
| Date |
Name |
Release Notes |
| September 04, 2026 |
155.0.1 |
https://www.mozilla.org/en-US/firefox/155.0.1/releasenotes/ |
| September 01, 2026 |
155.0 |
https://www.mozilla.org/en-US/firefox/155.0/releasenotes/ |
| August 25, 2026 |
154.0.1 |
https://www.mozilla.org/en-US/firefox/154.0.1/releasenotes/ |
| August 18, 2026 |
154.0 |
https://www.mozilla.org/en-US/firefox/154.0/releasenotes/ |
| August 11, 2026 |
153.0.4 |
https://www.mozilla.org/en-US/firefox/153.0.4/releasenotes/ |
| August 04, 2026 |
153.0.3 |
https://www.mozilla.org/en-US/firefox/153.0.3/releasenotes/ |
| July 28, 2026 |
153.0.1 |
https://www.mozilla.org/en-US/firefox/153.0.1/releasenotes/ |
| July 21, 2026 |
153.0 |
https://www.mozilla.org/en-US/firefox/153.0/releasenotes/ |
| July 14, 2026 |
152.0.6 |
https://www.mozilla.org/en-US/firefox/152.0.6/releasenotes/ |
| July 07, 2026 |
152.0.5 |
https://www.mozilla.org/en-US/firefox/152.0.5/releasenotes/ |
| June 30, 2026 |
152.0.4 |
https://www.mozilla.org/en-US/firefox/152.0.4/releasenotes/ |
| June 25, 2026 |
152.0.3 |
https://www.mozilla.org/en-US/firefox/152.0.3/releasenotes/ |
| June 23, 2026 |
152.0.2 |
https://www.mozilla.org/en-US/firefox/152.0.2/releasenotes/ |
| June 18, 2026 |
152.0.1 |
https://www.mozilla.org/en-US/firefox/152.0.1/releasenotes/ |
| June 16, 2026 |
152.0 |
https://www.mozilla.org/en-US/firefox/152.0/releasenotes/ |
| June 09, 2026 |
151.0.4 |
https://www.mozilla.org/en-US/firefox/151.0.4/releasenotes/ |
| June 02, 2026 |
151.0.3 |
https://www.mozilla.org/en-US/firefox/151.0.3/releasenotes/ |
| May 26, 2026 |
151.0.2 |
https://www.mozilla.org/en-US/firefox/151.0.2/releasenotes/ |
| May 21, 2026 |
151.0.1 |
https://www.mozilla.org/en-US/firefox/151.0.1/releasenotes/ |
| May 19, 2026 |
151.0 |
https://www.mozilla.org/en-US/firefox/151.0/releasenotes/ |
| May 12, 2026 |
150.0.3 |
https://www.mozilla.org/en-US/firefox/150.0.3/releasenotes/ |
| May 07, 2026 |
150.0.2 |
https://www.mozilla.org/en-US/firefox/150.0.2/releasenotes/ |
| April 28, 2026 |
150.0.1 |
https://www.mozilla.org/en-US/firefox/150.0.1/releasenotes/ |
| April 21, 2026 |
150.0 |
https://www.mozilla.org/en-US/firefox/150.0/releasenotes/ |
| April 07, 2026 |
149.0.2 |
https://www.mozilla.org/en-US/firefox/149.0.2/releasenotes/ |
| March 24, 2026 |
149.0 |
https://www.mozilla.org/en-US/firefox/149.0/releasenotes/ |
| March 10, 2026 |
148.0.2 |
https://www.mozilla.org/en-US/firefox/148.0.2/releasenotes/ |
| February 24, 2026 |
148.0 |
https://www.mozilla.org/en-US/firefox/148.0/releasenotes/ |
| February 16, 2026 |
147.0.4 |
https://www.mozilla.org/en-US/firefox/147.0.4/releasenotes/ |
| February 04, 2026 |
147.0.3 |
https://www.mozilla.org/en-US/firefox/147.0.3/releasenotes/ |