Firefox 128 ESR

Last release October 9, 2024
Latest version 128.3.1
Releases calendar
Firefox ESR Old ESR Date
132 128.4 115.17 October 29
133 128.5 115.18 November 26
134 128.6 115.19 January 7
135 128.7 115.20 February 4
136 128.8 115.21 March 4
137 128.9 ESR 115 branch is EOL 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