Support/Firefox131
< Support
Firefox 131 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 131.0 Release Notes
- ESR 115.16.0 Release Notes
- ESR 128.3.0 Release Notes
- Firefox for Enterprise 131 Release Notes
- Firefox for developers 131 Release Notes
- Firefox for Android 131.0 Release Notes
- Firefox for iOS 131.0 Release Notes
Bug boards
Dot releases
| Platform | Version | Release date | Notable fixes | Unresolved |
|---|---|---|---|---|
| Firefox/Focus/Klar for iOS | Firefox/Focus/Klar for iOS 131.1 | October 8, 2024 | - | - |
| Firefox Desktop | Firefox desktop 131.0.2 | October 9, 2024 | Security fix | - |
| Firefox ESR | Firefox ESR 128.3.1 | October 9, 2024 | Security fix | - |
| Firefox ESR | Firefox ESR 115.16.1 | October 9, 2024 | Security fix | - |
| Firefox, Focus, and Klar for Android | Firefox, Focus, and Klar for Android 131.0.2 | October 9, 2024 | Security fix | - |
| Firefox Desktop | Firefox desktop 131.0.3 | October 14, 2024 | Bug1923500, bug1922278, bug1919678, bug1918681, and security fix | - |
| Firefox, Focus, and Klar for Android | Firefox, Focus, and Klar for Android 131.0.2 | October 14, 2024 | Bug fixes | - |
| Firefox for iOS | Firefox for iOS 131.3] | October 17, 2024 | Bug 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!
- Firefox pod meeting: If you’re an NDA’d contributor, you can watch the recording of our Firefox Pod Meeting from AirMozilla to catch up with the latest train release. You can also subscribe to the AirMozilla folder by clicking on the Subscribe button in the top-right corner of the page to get notifications each time we add a new recording.
- 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 131
Firefox Desktop
| Tab overview refreshed icon | ||
|---|---|---|
| Description: | The team is updating the icon for the Tab overview menu. | |
| Content request: | https://bugzilla.mozilla.org/show_bug.cgi?id=1917671 | |
| KB article: | https://support.mozilla.org/kb/tab-overview-menu | Article updated |
| Temporary permissions | ||
|---|---|---|
| Description: | Firefox will now temporarily remember when users grant permissions to sites (e.g. geolocation). Temporary permissions will be removed either after one hour or when the tab is closed. Related bug report: Bug 1754005 - Consider granting temporary ALLOW for site permissions | |
| Content request: | No Bugzilla request filed for this | |
| KB article: | https://support.mozilla.org/kb/does-firefox-share-my-location-websites#w_how-does-it-work | Article updated |
Firefox for Android
No notable updates
Firefox for iOS
No notable updates
Known studies/experiments
| Platform | Studies/experiments | Description | Feedback collection |
|---|---|---|---|
| Firefox desktop | - | - |
Escalation
TBD
Known issue(s)/Trending topic(s)
| Platform | Issue | Known bug/Related discussions | Fix/workaround |
|---|---|---|---|
| Desktop | "List all tabs" button impossible to remove | https://bugzilla.mozilla.org/show_bug.cgi?id=1918681 | We're going to fix that soon and revert back using the drop down icon (Approved for 131.0.3 dot release - bug 1923367) |
| Desktop | Google/Gmail redirecting users to "Clear cache & cookies" | https://bugzilla.mozilla.org/show_bug.cgi?id=1923663 | Clear cookies for the google.com domain. |
| Desktop | Failed update causes a "XULRunner" modal message box saying the platform version is not compatible | https://bugzilla.mozilla.org/show_bug.cgi?id=1868951 | |
| Desktop | Crash on YouTube livestreams | https://bugzilla.mozilla.org/show_bug.cgi?id=1923864 | We will ship a webcompat patch |
| Desktop | www.tiktok.com - Activation captcha to solve a puzzle for login purposes does not respond to mouse drag action | https://bugzilla.mozilla.org/show_bug.cgi?id=1924500 | - |
| Desktop | - | - | - |
Known incident(s)
| Firefox 132 Beta UI Toolbar Button Breakage | |
|---|---|
| Description: | Toolbars will be re-arranged in a surprising and unpleasant way after a restart. The bookmarks toolbar may not function. (sample case) |
| Status: | Fixed with the release of version 132.0b2 |
| Product(s) impacted: | An unknown portion of the Firefox beta version 132 and Nightly version 133 |
| Associated bug: | https://bugzilla.mozilla.org/show_bug.cgi?id=1919721 |
| Resolution/workaround: | Update to 132.0b2. If that doesn't help, follow these steps:
|
| Firefox 131 Enhanced Tracking Protection major breakage of multiple banks Bill Pay services | |
|---|---|
| Description: | Because of a bug in our CHIPS implementation, users are led to an error page stating You might have cookies blocked or cross-site tracking prevented when accessing bill pay section on their bank's website |
| Status: | Fixed with the release of 131.0.3 |
| Product(s) impacted: | Firefox 131 and up |
| Associated bug: | https://bugzilla.mozilla.org/show_bug.cgi?id=1923500 |
| Resolution/workaround: | https://x.com/FirefoxSupport/status/1846463789740576859 |
| Avast sending invalid ACKs over QUIC connections | |
|---|---|
| Description: | A recent version of Avast is sending invalid ACKs over QUIC connections. This was causing our networking code to panic and crash. |
| Status: | Fixed with the release of 131.0.3 |
| Product(s) impacted: | Firefox 131 and up |
| Associated bug: | https://bugzilla.mozilla.org/show_bug.cgi?id=1923943 |
| Resolution/workaround: | A fix has rolled out in version 131.0.3 |
| Google Auth broken by duplicate cookies | |
|---|---|
| Description: | Duplicate cookies caused by CHIPS will cause Google Auth to fail, blocking login to sites using Google Auth. |
| Status: | On going |
| Product(s) impacted: | Firefox 131 and up |
| Associated bug: | https://bugzilla.mozilla.org/show_bug.cgi?id=1923663 |
| Impacted users: | Forum threads |
| Resolution/workaround: | https://x.com/FirefoxSupport/status/1846905439453364308 |