Contents
Release Owners
- For any questions related to landing of particular features, Beta scheduling, preffing on/off a feature, release notes etc for a particular Firefox version on any channel, below would be the best contacts in addition to emailing release-mgmt@mozilla.com
Currently, each release manager each takes a version of Firefox and follow it from nightly through beta, and release.
Firefox Version | Owner | Secondary | Engineering REO | Release Duty¹ | Corresponding ESR | Release Date |
---|---|---|---|---|---|---|
Firefox 147 | RyanVM (EST) | Donal (EST) | TBD | TBD | RelMan (ESR 140.7) | 2026-01-13 |
Firefox 146 | Dianna (EST) | RyanVM (EST) | TBD | TBD | RelMan (ESR 140.6) | 2025-12-09 |
Firefox 145 | Pascal (CET) | Dianna (EST) | TBD | TBD | RelMan (ESR 140.5) | 2025-11-11 |
Firefox 144 | Donal (EST) | Pascal (CET) | TBD | TBD | RelMan (ESR 140.4) | 2025-10-14 |
Firefox 143 | RyanVM (EST) | Donal (EST) | TBD | TBD | RelMan (ESR 140.3) | 2025-09-16 |
Firefox 142 | Dianna (EST) | RyanVM (EST) | TBD | TBD | RelMan (ESR 128.14, 140.2) | 2025-08-19 |
Firefox 141 | Pascal (CET) | Dianna (EST) | TBD | TBD | RelMan (ESR 128.13, 140.1) | 2025-07-22 |
Firefox 140 | Donal (EST) | Pascal (CET) | TBD | TBD | RelMan (ESR 128.12, 140.0) | 2025-06-24 |
Firefox 139 | RyanVM (EST) | Donal (EST) | TBD | TBD | RelMan (ESR 128.11) | 2025-05-27 |
Firefox 138 | Dianna (EST) | RyanVM (EST) | TBD | TBD | RelMan (ESR 128.10) | 2025-04-29 |
Firefox 137 | Pascal (CET) | Donal (EST) | TBD | TBD | RelMan (ESR 128.9) | 2025-04-01 |
Firefox 136 | Donal (EST) | Pascal (CET) | TBD | TBD | RelMan (ESR 115.21², 128.8) | 2025-03-04 |
Firefox 135 | RyanVM (EST) | Donal (EST) | TBD | TBD | RelMan (ESR 115.20², 128.7) | 2025-02-04 |
Firefox 134 | Pascal (CET) | Ryan (EST) | TBD | jcristau (CET) | RelMan (ESR 115.19², 128.6) | 2025-01-07 |
Firefox 133 | Donal (EST) | Pascal (CET) | Christoph Kerschbaumer (CET) | bhearsum (EST) | RelMan (ESR 115.18², 128.5) | 2024-11-26 |
Firefox 132 | RyanVM (EST) | Donal (EST) | Greg Tatum (CST) | ahal (EST) | RelMan (ESR 115.17², 128.4) | 2024-10-29 |
Firefox 131 | Dianna (EST) | RyanVM (EST) | Mike Conley (EST) | hneiva (PST) | RelMan (ESR 115.16², 128.3) | 2024-10-01 |
Firefox 130 | Pascal (CET) | Dianna (EST) | Valerie Falstad | bhearsum (EST), gbrown (MST) | RelMan (ESR 115.15, 128.2) | 2024-09-03 |
Firefox 129 | Donal (EST) | Pascal (CET) | Hsin-Yi Tsai (CET) | ahal (EST), gabriel (CST) | RelMan (ESR 115.14, 128.1) | 2024-08-06 |
Firefox 128 (ESR) | RyanVM (EST) | Donal (EST) | Daniel Holbert (PST) | jcristau (CET), hneiva (PST) | RelMan (ESR 115.13, 128.0) | 2024-07-09 |
Firefox 127 | Pascal (CET) | RyanVM (EST) | Haik Aftandilian (PST) | bhearsum (EST), gbrown (MST) | RelMan (ESR 115.12) | 2024-06-11 |
Firefox 126 | Donal (EST) | Pascal (CET) | Chris Bellini (EST) | ahal (EST), gabriel (CST) | RelMan (ESR 115.11) | 2024-05-14 |
Firefox 125 | RyanVM (EST) | Donal (EST) | None | jcristau (CET), hneiva (PST) | RelMan (ESR 115.10) | 2024-04-16 |
Firefox 124 | Dianna (EST) | RyanVM (EST) | Freddy Braun (CET) | bhearsum (EST), gbrown (MST) | RelMan (ESR 115.9) | 2024-03-19 |
Firefox 123 | Pascal (CET) | Dianna (EST) | Bob Hood (MST) | ahal (EST), gabriel (CST) | RelMan (ESR 115.8) | 2024-02-20 |
Firefox 122 | Donal (EST) | Pascal (CET) | Erik Nordin (PST) | jcristau (CET), gbrown (MST) | RelMan (ESR 115.7) | 2024-01-23 |
Firefox 121 | RyanVM (EST) | Donal (EST) | Stuart Colville | bhearsum (EST), hneiva (PST) | RelMan (ESR 115.6) | 2023-12-19 |
Firefox 120 | Dianna (EST) | RyanVM (EST) | Giorgio Natili (PST), Amir Habibi (EST) | ahal (EST), gabriel (CST) | RelMan (ESR 115.5) | 2023-11-21 |
Firefox 119 | Donal (EST) | Dianna (EST) | Will Medina (MST) | jcristau (CET), bhearsum (EST) | RelMan (ESR 115.4) | 2023-10-24 |
Firefox 118 | Pascal (CET) | Donal (EST) | Emilio Cobos | masterwayz (CET), gbrown (MST) | RelMan (ESR 115.3) | 2023-09-26 |
Firefox 117 | RyanVM (EST) | Pascal (CET) | Johan Lorenzo (CET) | ahal (EST), hneiva (PST) | RelMan (ESR 102.15, 115.2) | 2023-08-29 |
Firefox 116 | Dianna (EST) | RyanVM (EST) | Cieara Meador (EST) | bhearsum (EST), gabriel (CST) | RelMan (ESR 102.14, 115.1) | 2023-08-01 |
Firefox 115 (ESR) | Donal (EST) | Dianna (EST) | Giorgio Natili (PST) | masterwayz (CET), gbrown (PST) | RelMan (ESR 102.13, 115.0) | 2023-07-04 |
Firefox 114 | Pascal (CET) | Donal (EST) | Dan Mehic (CET) | jcristau (CET), ahal (EST) | RelMan (ESR 102.12) | 2023-06-06 |
Firefox 113 | RyanVM (EST) | Pascal (CET) | Frank Griffith (EST) | bhearsum (EST), hneiva (PST) | RelMan (ESR 102.11) | 2023-05-09 |
Firefox 112 | Dianna (EST) | RyanVM (EST) | Suhaib Mujahid (EST) | jcristau (CET), gabriel (CST) | RelMan (ESR 102.10) | 2023-04-11 |
Firefox 111 | Donal (EST) | Dianna (EST) | Jared Hirsch | jlorenzo (CET), gbrown (PST) | RelMan (ESR 102.9) | 2023-03-14 |
Firefox 110 | Pascal (CET) | Donal (EST) | Jason Prickett | ahal (EST), hneiva (PST) | RelMan (ESR 102.8) | 2023-02-14 |
Firefox 109 | RyanVM (EST) | Pascal (CET) | Gregory Hess (EST) | masterwayz (CET), gabriel (CST) | RelMan (ESR 102.7) | 2023-01-17 |
Firefox 108 | Dianna (EST) | RyanVM (EST) | Jim Mathies (EST) | jlorenzo (CET), gbrown (PST) | RelMan (ESR 102.6) | 2022-12-13 |
Firefox 107 | Donal (EST) | Dianna (EST) | Cyrus Bond | jcristau (CEST), hneiva (PDT) | RelMan (ESR 102.5) | 2022-11-15 |
Firefox 106 | Pascal (CET) | Donal (EST) | Prathiksha Guruprasad | masterwayz (CEST), ahal (EDT) | RelMan (ESR 102.4) | 2022-10-18 |
Firefox 105 | RyanVM (EST) | Pascal (CET) | Taddes Korris (EST) | jlorenzo(CEST), gabriel(CDT) | RelMan (ESR 102.3) | 2022-09-20 |
Firefox 104 | Dianna (EST) | RyanVM (EST) | Hsin-Yi Tsai | jcristau(CEST), gbrown(MDT) | RelMan (ESR 91.13, 102.2) | 2022-08-23 |
Firefox 103 | Donal (EST) | Dianna (EST) | Frank Doty | ahal (EST), hneiva (PST) | RelMan (ESR 91.12, 102.1) | 2022-07-26 |
Firefox 102 (ESR) | Pascal (CET) | Donal (EST) | Marco Castelluccio | aki (MST), gabriel (CST) | RelMan (ESR 91.11, 102.0) | 2022-06-28 |
Firefox 101 | RyanVM (EST) | Pascal (CET) | Amir Habibi | jcristau (CET), gbrown (MST), masterwayz (CET) | RelMan (ESR 91.10) | 2022-05-31 |
Firefox 100 | Dianna (EST) | RyanVM (EST) | Barret Rennie (EST) | ahal (EST), hneiva (PST) | RelMan (ESR 91.9) | 2022-05-03 |
Firefox 99 | Donal (EST) | Dianna (EST) | James Graham | aki (MST), gabriel (CST) | RelMan (ESR 91.8) | 2022-04-05 |
Firefox 98 | Pascal (CET) | Donal (EST) | Bob Hood | jcristau (CET), gbrown (MST) | RelMan (ESR 91.7) | 2022-03-08 |
Firefox 97 | RyanVM (EST) | Donal (EST) | Christian Holler (CET) | ahal (EST), hneiva (PST) | RelMan (ESR 91.6) | 2022-02-08 |
Firefox 96 | Dianna (EST) | RyanVM (EST) | Yasmin Shash (EST) | sclements (GMT), jmaher (PST), gabriel (CST) | RelMan (ESR 91.5) | 2022-01-11 |
Firefox 95 | Pascal (CET) | Dianna (EST) | Lougenia Bailey (EST) | jcristau (CET), aki (MST) | RelMan (ESR 91.4) | 2021-12-07 |
Firefox 94 | RyanVM | Dianna | Marco Castelluccio | mtabara, hneiva | RelMan (ESR 91.3) | 2021-11-02 |
Firefox 93 | Pascal | Dianna | Jan Odvarko | mtabara, gbrown | RelMan (ESR 78.15, 91.2) | 2021-10-05 |
Firefox 92 | RyanVM | RelMan | Steven DeTar | sclements, ahal | RelMan (ESR 78.14, 91.1) | 2021-09-07 |
Firefox 91 (ESR) | Pascal | RelMan | Emma Malysz | mtabara, jmaher | RelMan (ESR 78.13, 91.0) | 2021-08-10 |
Firefox 90 | Julien | RelMan | Marco Castelluccio | mtabara | RelMan (ESR 78.12) | 2021-07-13 |
Firefox 89 | Pascal | RelMan | Philip Luk | mtabara | RelMan (ESR 78.11) | 2021-06-01 |
Firefox 88 | RyanVM | RelMan | Tim Spurway | mtabara, ahal | RelMan (ESR 78.10) | 2021-04-19 |
Firefox 87 | Julien | RyanVM | Brian Grinstead | mtabara | RelMan (ESR 78.9) | 2021-03-23 |
Firefox 86 | Pascal | RelMan | Steven DeTar | mtabara | RelMan (ESR 78.8) | 2021-02-23 |
Firefox 85 | Julien | RelMan | Dave Hunt | mtabara, jmaher, sclements | RelMan (ESR 78.7) | 2021-01-26 |
Firefox 84 | RyanVM | RelMan | Brendan Dahl | jlorenzo | RelMan (ESR 78.6) | 2020-12-15 |
Firefox 83 | Pascal | RelMan | Blake Winton | jlorenzo, aki | RelMan (ESR 78.5) | 2020-11-17 |
Firefox 82 | Julien | RelMan | Janet Dragojevic | jlorenzo, aki | RelMan (ESR 78.4) | 2020-10-20 |
Firefox 81 | RyanVM | RelMan | Jens Stutte | mtabara, bhearsum | RelMan (ESR 78.3) | 2020-09-22 |
Firefox 80 | Julien | RelMan | Jim Mathies | jlorenzo, aki | RelMan (ESR68.12, 78.2) | 2020-08-25 |
Firefox 79 | RyanVM | RelMan | Kim Moir | tomprince | RelMan (ESR68.11, 78.1) | 2020-07-28 |
Firefox 78 (ESR) | Julien | RelMan | Gian-Carlo Pascutto | callek | RelMan (ESR68.10) | 2020-06-30 |
Firefox 77 | Pascal | RelMan | Rachel Tublitz | rail | RelMan (ESR68.9) | 2020-06-02 |
Firefox 76 | RyanVM | RelMan | Tim Spurway | jlund | Julien (ESR68.8) | 2020-05-05 |
Firefox 75 | Julien | RelMan | Jens Stutte | jlorenzo | Pascal (ESR68.7) | 2020-04-07 |
Firefox 74 | Pascal | RelMan | Ethan Tseng | sfraser (UTC) | Ryan (ESR68.6) | 2020-03-10 |
Firefox 73 | Ryan | Julien | Sean Voisen | jlund | Julien (ESR68.5) | 2020-02-11 |
Firefox 72 | Julien | lizzard | Jim Mathies | mtabara, jlund | Pascal C (ESR68.4) | 2020-01-07 |
Firefox 71 | Pascal | RyanVM | Florian Quèze | mtabara,jlund | lizzard (ESR68.3) | 2019-12-03 |
Firefox 70 | lizzard | Pascal | Janet Dragojevic | jlund | RyanVM (ESR68.2) | 2019-10-22 |
Firefox 69 | RyanVM | lizzard | Kate Hudson | mhentges | Julien (ESR68.1) | 2019-09-03 |
Firefox 68 (ESR) | Julien | RyanVM | plawless | tomprince | Pascal (ESR68.0) | 2019-07-09 |
Firefox 67 | Pascal | lizzard | Neha Kochar | sfraser | lizzard | 2019-05-21 |
Firefox 66 | Lizzard | Pascal | Tim Spurway | mtabara, jlund | RyanVM | 2019-03-19 |
Firefox 65 | RyanVM | Lizzard | jaws | jlund, mtabara | JCristau | 2019-01-29 |
Firefox 64 | Julien | RyanVM | overholt | callek, sfraser | Liz | 2018-12-11 |
Firefox 63 | Pascal | Ritu | David Durst | rail, aki, garbas | Julien | 2018-10-23 |
Firefox 62 | Lizzard | Pascal | Mike T | jlorenzo, tomprince | RyanVM | 2018-09-05 |
Firefox 61 | RyanVM | Ritu | Marion | mtabara, jlund | Julien | 2018-06-26 |
Firefox 60 (ESR) | Julien | Ritu | Milan | aki, sfraser | Liz (52.8) | 2018-05-09 |
Firefox 59 | Liz | RyanVM | Andrew Overholt | mtabara, bhearsum | RyanVM | 2018-03-13 |
Firefox 58 | Gerry | Julien | Mike Taylor | callek, sfraser, nthomas, rok, jlund | Ritu | 2018-01-23 |
Firefox 57 | Ritu Kothari | Julien Cristau & Sylvestre | Jim Mathies | callek, jlorenzo, nthomas, sfraser, jlund | Liz | 2017-11-14 |
Firefox 56 | Liz Henry | Gerry Chang | Panos Astithas | kmoir, sfraser | Julien Cristau | 2017-09-26 |
Firefox 55 | Julien Cristau | Liz Henry | Mike Taylor | garbas, mtabara | Gerry Chang | 2017-08-08 |
Firefox 54 | Gerry Chang | Julien Cristau | Nathan Froyd | mtabara, aki | Ritu | 2017-06-13 |
Firefox 53 | Liz Henry | Gerry Chang | Randell Jesup | aki, jlorenzo | Julien Cristau | 2017-04-18 |
Firefox 52 (ESR) | Julien Cristau | Sylvestre | RyanVM | jlorenzo, jlund | Gerry | 2017-03-07 |
Firefox 51 | Gerry Chang | Liz Henry | Milan | jlund, mtabara | Ritu | 2017-01-24 |
Eng support
This lists the Regression Engineering Owner for the release. Details at https://wiki.mozilla.org/Platform#Regression_Engineering_Owner_.28REO.29
¹ - Releng Coverage Notes
As of 2022, Releng covers a given release beginning the Monday following the previous release and ending at the end of release week.
² - ESR 115 support extended
These versions provide extended security support exclusively for users of Windows 7-8.1 and macOS 10.12-10.14.