Support/Firefox135

Firefox 135 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
• Provide support on social media channels
• Respond to mobile store reviews

Release notes

• Desktop 135.0 Release Notes
• ESR 115.20.0 Release Notes
• ESR 128.7.0 Release Notes
• Firefox for developers 135 Release Notes
• Firefox for Android 135.0 Release Notes
• Firefox for iOS 135.0 Release Notes

Bug boards

• Desktop bug board
• Mobile bug board

Dot releases

Platform	Version	Release date	Notable fixes	Unresolved
Firefox Desktop	135.0.1	Feb 18, 2025	bug1944191, bug1946899, bug1947503, bug1946156	-
Firefox & Focus for Android	135.0.1	Feb 18, 2025	Various fixes	-
Firefox & Focus for iOS	135.2	Feb 18, 2024	Various fixes	-

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
• Support release scrum meeting

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 a week before Firefox release date). 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.

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

What's new in Firefox 135

Firefox Desktop

How to Sync update
Description:	We're updating the How to set up sync article for users who sign in through Relay
Content request:	https://bugzilla.mozilla.org/show_bug.cgi?id=1937612
KB articles:	https://support.mozilla.org/en-US/kb/how-do-i-set-sync-my-computer	Update TBD

How to Sync update
Description:	We're updating the credit card autofill article to reflect the global rollout
Content request:	https://bugzilla.mozilla.org/show_bug.cgi?id=1929908
KB articles:	https://support.mozilla.org/en-US/kb/credit-card-autofill	Update TBD

Firefox for Android

No content update for Android

Firefox for iOS

No content update for iOS

Escalation

TBD

Known issue(s)/Trending topic(s)

Platform	Issue	Known bug/Related discussions	Fix/workaround
Desktop	Weird fonts on Windows	Reddit post	See here
Android	-	-	-
iOS	-	-	-

Known incident(s)

Incident name
Description:	Incident description
Status:	Ongoing/resolved?
Product(s) impacted:	Firefox Desktop/Android/iOS
Associated bug:	-
Resolution/workaround:

Post-release

• TBD