Firefox 115 ESR

Latest version 115.8.0
Release Date February 20, 2024
Releases calendar
Firefox ESR Old ESR Date
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