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Firefox 140 release information

Disclaimer

The following information is intended for members of the Mozilla Support community for the purpose of supporting users in the Mozilla Support platform. Mozilla Support is a community of enthusiastic volunteers and employees trying to support Mozilla's users around the globe. You can join us by contributing through the following ways:

• Answer questions in the support forum
• Write help articles
• Localize support content

To learn more about how to stay updated with Firefox release information, trending, and known issues, please also check out How to stay updated with Firefox release

Release notes

• Desktop 140.0 Release Notes
• ESR 115.24.0 Release Notes
• ESR 128.11.0 Release Notes
• Firefox for Enterprise 140 Release Notes
• Firefox for developers 140 Release Notes
• Firefox for Android 140.0 Release Notes
• Firefox for iOS 140.0 Release Notes

Dot releases

TBD

Bug & feedback boards

• Firefox bug board
• Firefox feedback board

Contributor discussions

Please refer to the following contributor forum threads to learn more about known issues and discuss with other contributors:

• Desktop release discussion
• Mobile release discussion
• Localization discussion

You can also join our Matrix channel to ask questions/join community discussion.

Stay updated

Apart from sharing release information, there are other ways to stay updated with product release and community updates:

• Community call: We run a monthly community call (usually on the same week we release a new Firefox version). Check our schedule here and don't hesitate to join the call in person if you can!
• Newsletter: Consider subscribing to Firefox Daily Digest to get daily updates (Mon-Fri) about Firefox from across the internet.

What's new in Firefox 140

Content in this page is being updated periodically as we're rolling out the release.