This page provides links to the "Firefox X for developers" articles for each Firefox release. These notes let you see what features were added and bugs eliminated in each version of Firefox.
- Firefox 1.5 for developers
- Firefox 2 for developers
- Firefox 3 for developers
- Firefox 3.5 for developers
- Firefox 3.6 for developers
- Firefox 4 for developers
- Firefox 5 for developers
- Firefox 6 for developers
- Firefox 7 for developers
- Firefox 8 for developers
- Firefox 9 for developers
- Firefox 10 for developers
- Firefox 11 for developers
- Firefox 12 for developers
- Firefox 13 for developers
- Firefox 14 for developers
- Firefox 15 for developers
- Firefox 16 for developers
- Firefox 17 for developers
- Firefox 18 for developers
- Firefox 19 for developers
- Firefox 20 for developers
- Firefox 21 for developers
- Firefox 22 for developers
- Firefox 23 for developers
- Firefox 24 for developers
- Firefox 25 for developers
- Firefox 26 for developers
- Firefox 27 for developers
- Firefox 28 for developers
- Firefox 29 for developers
- Firefox 30 for developers