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Welcome to the official public wiki of the Mozilla Project!

This wiki is a publicly available resource for those wanting to learn more about the Mozilla Project. It is not designed nor intended for end-users. If you're looking for user support for any of Mozilla's products, visit our support site for end-users.

Release information

Firefox 152.0.5

Released on 2026-07-06

Thunderbird 152.0.1

Released on 2026-07-01

All Releases

Firefox Release Management pointers

• Release calendar
• Release process overview
• Release owners
• More about release management…

Contributing to Mozilla

• Mozilla projects (Firefox, Platform, Add-ons, etc.)
• Why contribute to Mozilla?
• Discover new ways to contribute

How to use this wiki

• Mozilla Community Participation Guidelines (CPG)
• About MozillaWiki
• Tips and tricks for MozillaWiki