Release notes | Firefox for Enterprise Help

Where to find release notes for Firefox for Enterprise

Find release notes for Firefox for Enterprise, including regular Firefox versions and the latest Firefox Extended Support Release (ESR).

Last updated: 10/21/20

Firefox for Enterprise 146 - Release notes

See what's coming out with Firefox for Enterprise 146.

Last updated: 5 days, 5 hours ago

Firefox Support for Organizations

A dedicated enterprise-level offering for organizations who need private issue triage and close collaboration with Mozilla's engineering and product teams.

Created: 11/5/25

Firefox for Enterprise 78 - Release notes

See what's coming out with Firefox for Enterprise 78.

Last updated: 7/1/20

Firefox for Enterprise 127 - Release notes

See what's coming out with Firefox for Enterprise 127.

Last updated: 6/14/24

Firefox for Enterprise 79 - Release notes

See what's coming out with Firefox for Enterprise 79.

Last updated: 8/7/20

Firefox for Enterprise 80 - Release notes

See what's coming out with Firefox for Enterprise 80.

Created: 8/18/20

Firefox for Enterprise 81 - Release notes

See what's coming out with Firefox for Enterprise 81.

Last updated: 11/10/20

Firefox for Enterprise 82 - Release notes

See what's coming out with Firefox for Enterprise 82.

Created: 10/15/20

Firefox for Enterprise 83 - Release notes

See what's coming out with Firefox for Enterprise 83.

Created: 11/10/20

Firefox for Enterprise 84 - Release notes

See what's coming out with Firefox for Enterprise 84.

Created: 12/11/20

Firefox for Enterprise 85 - Release notes

See what's coming out with Firefox for Enterprise 85.

Created: 1/21/21

Firefox for Enterprise 86 - Release notes

See what's coming out with Firefox for Enterprise 86.

Last updated: 4/14/21

Firefox for Enterprise 87 - Release notes

See what's coming out with Firefox for Enterprise 87.

Created: 3/18/21

Firefox for Enterprise 88 - Release notes

See what's coming out with Firefox for Enterprise 88.

Created: 4/14/21

Firefox for Enterprise 89 - Release notes

See what's coming out with Firefox for Enterprise 89.

Last updated: 6/3/21

Firefox for Enterprise 90 - Release notes

See what's coming out with Firefox for Enterprise 90.

Last updated: 2/25/22

Firefox for Enterprise 91 - Release notes

See what's coming out with Firefox for Enterprise 91.

Created: 8/4/21

Firefox for Enterprise 92 - Release notes

See what's coming out with Firefox for Enterprise 92.

Created: 9/1/21

Firefox for Enterprise 93 - Release notes

See what's coming out with Firefox for Enterprise 93.

Created: 9/29/21

Firefox for Enterprise 94 - Release notes

See what's coming out with Firefox for Enterprise 94.

Created: 10/28/21

Firefox for Enterprise 95 - Release notes

See what's coming out with Firefox for Enterprise 95.

Created: 11/29/21

Firefox for Enterprise 96 - Release notes

See what's coming out with Firefox for Enterprise 96.

Last updated: 7/15/22

Firefox for Enterprise 97 - Release notes

See what's coming out with Firefox for Enterprise 97.

Last updated: 2/10/22

Firefox for Enterprise 98 - Release notes

See what's coming out with Firefox for Enterprise 98.

Last updated: 3/2/22

Firefox for Enterprise 99 - Release notes

See what's coming out with Firefox for Enterprise 99.

Last updated: 4/4/22

Firefox for Enterprise 100 - Release notes

See what's coming out with Firefox for Enterprise 100.

Created: 4/27/22

Firefox for Enterprise 101 - Release notes

See what's coming out with Firefox for Enterprise 101.

Created: 5/30/22

Firefox for Enterprise 102 - Release notes

See what's coming out with Firefox for Enterprise 102.

Last updated: 7/11/22

Firefox for Enterprise 104 - Release notes

See what's coming out with Firefox for Enterprise 104.

Created: 8/22/22

Firefox for Enterprise 107 - Release notes

See what's coming out with Firefox for Enterprise 107.

Last updated: 11/15/22

Firefox for Enterprise 109 - Release notes

See what's coming out with Firefox for Enterprise 109.

Created: 1/9/23

Firefox for Enterprise 110 - Release notes

See what's coming out with Firefox for Enterprise 110.

Created: 2/14/23

Firefox for Enterprise 112 - Release notes

See what's coming out with Firefox for Enterprise 112.

Created: 4/10/23

Firefox for Enterprise 113 - Release notes

See what's coming out with Firefox for Enterprise 113.

Last updated: 5/24/23

Firefox for Enterprise 114 - Release notes

See what's coming out with Firefox for Enterprise 114.

Last updated: 6/21/23

Firefox for Enterprise 115 - Release notes

See what's coming out with Firefox for Enterprise 115.

Last updated: 7/2/23

Firefox for Enterprise 116 - Release notes

See what's coming out with Firefox for Enterprise 116.

Last updated: 7/31/23

Firefox for Enterprise 117 - Release notes

See what's coming out with Firefox for Enterprise 117.

Created: 8/28/23

Firefox for Enterprise 118 - Release notes

See what's coming out with Firefox for Enterprise 118.

Last updated: 9/24/23

Firefox for Enterprise 120 - Release notes

See what's coming out with Firefox for Enterprise 120.

Last updated: 11/21/23

Firefox for Enterprise 119 - Release notes

See what's coming out with Firefox for Enterprise 119.

Last updated: 11/9/23

Firefox for Enterprise 121 - Release notes

See what's coming out with Firefox for Enterprise 121.

Last updated: 12/19/23

Firefox for Enterprise 122 - Release notes

See what's coming out with Firefox for Enterprise 122.

Last updated: 1/21/24

Firefox for Enterprise 123 - Release notes

See what's coming out with Firefox for Enterprise 123.

Last updated: 2/20/24

Firefox for Enterprise 124 - Release notes

See what's coming out with Firefox for Enterprise 124.

Last updated: 3/18/24

Firefox for Enterprise 125 - Release notes

See what's coming out with Firefox for Enterprise 125.

Created: 4/15/24

Firefox for Enterprise 126 - Release notes

See what's coming out with Firefox for Enterprise 126.

Last updated: 5/17/24

Firefox for Enterprise 128 - Release notes

See what's coming out with Firefox for Enterprise 128.

Last updated: 7/11/24

Firefox for Enterprise 129 - Release notes

See what's coming out with Firefox for Enterprise 129.

Created: 8/5/24

Firefox for Enterprise 130 - Release notes

See what's coming out with Firefox for Enterprise 130.

Last updated: 9/17/24

Firefox for Enterprise 131 - Release notes

See what's coming out with Firefox for Enterprise 131.

Created: 9/30/24

Firefox for Enterprise 132 - Release notes

See what's coming out with Firefox for Enterprise 132.

Created: 10/29/24

Firefox for Enterprise 133 - Release notes

See what's coming out with Firefox for Enterprise 133.

Created: 11/25/24

Firefox for Enterprise 136 - Release notes

See what's coming out with Firefox for Enterprise 136.

Last updated: 3/17/25

Firefox for Enterprise 137 - Release notes

See what's coming out with Firefox for Enterprise 137.

Created: 4/1/25

Firefox for Enterprise 138 - Release notes

See what's coming out with Firefox for Enterprise 138.

Last updated: 4/28/25

Firefox for Enterprise 139 - Release notes

See what's coming out with Firefox for Enterprise 139.

Created: 5/23/25

Firefox for Enterprise 140 - Release notes

See what's coming out with Firefox for Enterprise 140.

Last updated: 10/1/25

Firefox for Enterprise 141 - Release notes

See what's coming out with Firefox for Enterprise 141.

Last updated: 7/21/25

Firefox for Enterprise 142 - Release notes

See what's coming out with Firefox for Enterprise 142.

Created: 8/18/25

Firefox for Enterprise 143 - Release notes

See what's coming out with Firefox for Enterprise 143.

Created: 9/15/25

Firefox for Enterprise 144 - Release notes

See what's coming out with Firefox for Enterprise 144.

Created: 10/14/25

Firefox for Enterprise 145 - Release notes

See what's coming out with Firefox for Enterprise 145.

Created: 11/10/25

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