| Releases calendar |
| Firefox |
ESR |
Old ESR |
Date |
| 129 |
128.1 |
115.14 |
August 6
|
| 130 |
128.2 |
115.15 |
September 3
|
| 131 |
128.3 |
|
Previous ESR branch is EOL
October 1
|
| 132 |
128.4 |
|
October 29
|
| 133 |
128.5 |
|
November 26
|
| 134 |
128.6 |
|
January 7
|
| 135 |
128.7 |
|
February 4
|
| 136 |
128.8 |
|
March 4
|
| 137 |
128.9 |
|
April 1
|
| 138 |
128.10 |
|
April 29
|
| 139 |
128.11 |
|
May 27
|
| 140 |
140.0 |
128.12 |
New ESR branch!
June 24
|
| 141 |
140.1 |
128.13 |
July 22
|
| 142 |
140.2 |
128.14 |
August 19
|
| 143 |
140.3 |
|
Previous ESR branch is EOL
September 16
|
| 144 |
140.4 |
|
October 14
|
| 145 |
140.5 |
|
November 11
|
| 146 |
140.6 |
|
December 9
|
| 147 |
140.7 |
|
January 13
|