Firefox 115 ESR

Latest version 115.11.0
Release Date May 14, 2024
Releases calendar
Firefox ESR Old ESR Date
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