Statistics
By the numbers.
Everything we track across 2261 Firefox releases, from Nov 2004 to Jul 2026.
2261
Releases tracked
14205
Total changes
6
Avg / release
1348
New features
Changes by category
Web Platform 5233
Changed 3569
Developer 1997
New 1348
Fixed 1201
Security 765
Enterprise 87
Community 5
Releases by channel
beta 1437
stable 725
nightly 99