| Latest version | 115.5.0 |
|---|---|
| Release Date | November 21, 2023 |
| Releases calendar | |||
|---|---|---|---|
| Firefox | ESR | Old ESR | Date |
| 121 | 115.6 | December 19 | |
| 122 | 115.7 | January 23 | |
| 123 | 115.8 | February 20 | |
| 124 | 115.9 | March 19 | |
| 125 | 115.10 | April 16 | |
| 126 | 115.11 | May 14 | |
| 127 | 115.12 | June 11 | |
| 128 | 128.0 | 115.13 | New ESR branch! July 9 |
| 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 | |