Support/Firefox141: Difference between revisions
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!colspan="2"| Inference process uses 100% CPU | |||
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|'''Description:''' | |||
| The team noticed reports on multiple Reddit threads about inference process uses 100% CPU | |||
|- | |||
|'''Status:''' | |||
| Resolved | |||
|- | |||
|'''Product(s) impacted:''' | |||
| Firefox Release v141 | |||
|- | |||
|'''Associated bug:''' | |||
| [https://bugzilla.mozilla.org/show_bug.cgi?id=1982278] | |||
|- | |||
|'''Resolution/workaround:''' | |||
| The inference process turned out to be related to an experiment (not the automated tab grouping) we run on select users on v141. The team decided to turn off the experiment, which solved the issue. | |||
|} | |||
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Latest revision as of 08:50, 21 August 2025
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Firefox 141 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:
Release notes
- Desktop 141.0 Release Notes
- ESR 115.26.0 Release Notes for Windows 7-8.1 and macOS 10.12-10.14 users
- ESR 128.13.0 Release Notes
- ESR 140.1.0 Release Notes (FYI, ESR140 is slated to replace ESR128 on September 16, 2025
- Firefox for Enterprise 141 Release Notes
- Firefox for developers 141 Release Notes
- Firefox for Android 141.0 Release Notes
- Firefox for iOS 141.0 Release Notes
Dot releases
Platform | Version | Release date | Notable fixes | Unresolved |
---|---|---|---|---|
Firefox & Focus for Android | 141.0.1 | Jul 28, 2025 | Various bug fixes (including bug1977340) | - |
Firefox Desktop | 141.0.2 | Aug 5, 2025 | Various bug fixes | - |
Firefox & Focus for Android | 141.0.2 | Aug 5, 2025 | Various bug fixes | - |
Firefox Desktop | 141.0.3 | Aug 7, 2025 | bug1980081 | - |
Firefox & Focus for Android | 141.0.3 | Aug 7, 2025 | bug1980081 | - |
Bug & feedback boards
Contributor discussions
Please refer to the following contributor forum threads to learn more about known issues and discuss with other contributors:
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 141
Firefox Desktop content update
Semantic History Search update | ||
---|---|---|
Description: | SUMO Update the search article to add Semantic History Search experiment | |
Content request: | https://bugzilla.mozilla.org/show_bug.cgi?id=1974664 | |
KB article: | https://support.mozilla.org/kb/search-firefox-address-bar | Article update |
Address autofill update | ||
---|---|---|
Description: | Update to address autofill article - Brazil, Spain and Japan rollout | |
Content request: | https://bugzilla.mozilla.org/show_bug.cgi?id=1975536 | |
KB article: | https://support.mozilla.org/kb/automatically-fill-your-address-web-forms/ | Article update |
Add Trending Searches Content | ||
---|---|---|
Description: | Add content describing trending searches at the previously requested in-product url location | |
Content request: | https://bugzilla.mozilla.org/show_bug.cgi?id=1976937 | |
KB article: | TBD | New article |
Firefox for Android content update
SUMO article about Android Menu Redesign | ||
---|---|---|
Description: | Android menu redesign in Firefox for Android | |
Content request: | https://bugzilla.mozilla.org/show_bug.cgi?id=1890620 | |
KB article: | https://support.mozilla.org/kb/explore-firefox-android-menu/ | New article |
Recommended stories expansion on Android | ||
---|---|---|
Description: | Recommended stories expansion | |
Content request: | https://bugzilla.mozilla.org/show_bug.cgi?id=1977945 | |
KB article: | https://support.mozilla.org/en-US/kb/customize-firefox-home-screen | Article update |
Firefox for iOS content update
Recommended stories expansion on iOS | ||
---|---|---|
Description: | Recommended stories expansion | |
Content request: | https://bugzilla.mozilla.org/show_bug.cgi?id=1977945 | |
KB article: | https://support.mozilla.org/en-US/kb/customize-firefox-home-ios | Article update |
Known studies/experiments
Platform | Studies/experiments | Description | Related documentation/discussion | Forum tag |
---|---|---|---|---|
Firefox desktop | Semantic History Search | Some select users will be able to try out the Semantic History search feature | https://support.mozilla.org/kb/search-firefox-address-bar#w_semantic-history-search | - |
Firefox desktop | Address autofill rollout in Japan and Spain | Address autofill rollout for users in Japan and Spain | https://support.mozilla.org/en-US/kb/automatically-fill-your-address-web-forms | - |
Firefox desktop | Onboarding checklist | This experiment displays a checklist to new users to assist in their first experience using Firefox | - | - |
Firefox desktop | Account adoption | Mozilla account and free VPN promo | - | - |
Trending requests
Platform | Request | Related discussions | Status |
---|---|---|---|
Desktop | Split-screen/Tab-in-Tab feature | [1] | In development |
Desktop | Synced tab groups | [2] | Tracking |
Desktop | Customizable bookmark toolbar font | [3] | Tracking |
Desktop | Customizable hotkeys | [4] | Tracking |
Desktop | Differentiate "Site you save" and "Sites you visit" in new tab | [5] [6] | Tracking |
Android | Android address bar is too cluttered | [7] [8] [9] [10] [11] | Tracking |
Android | Add a setting to enable tab strip | ConnectBugzilla | Tracking |
iOS | Default page zoom setting | [12] | In progress |
iOS | Translate feature in Firefox for iOS | [13] | Tracking |
For other top requests on Mozilla Connect, please check out this Connect thread
Known issues
Platform | Category | Issue | Known bug/Related discussions | Fix/workaround |
---|---|---|---|---|
Desktop | UI/UX | Firefox 141 doesn't honor system theme with dark mode on Linux Mint devices | [14] | Manually select Dark theme instead of System theme (to be confirmed) |
Desktop | UI/UX | New Tab page customization button (pencil icon) won't be available if new tabs are set to blank page | Bug1978728 | This seems to be a confusion |
Desktop | Webcompat | www.xfinity.com/stream stucks loading | bug1977318 | Enable uBlock Origin |
Desktop | Crashes | Startup crashes caused by MS's Family Safety feature | [15] | turn off the Family Safety feature temporarily |
Desktop | Webcompat | NYT tells me I am a bot and will not let me read articles | #162420 | Disable extensions |
Desktop | Webcompat | Facebook audio and video call isn't working in Firefox | bug1896361 | - |
Desktop | UI/UX | In vertical mode, when the tab strip is not in a <toolbar>, SVG favicons using prefers-color-scheme don't always get the correct color-scheme according to theme colors. | bug1968040 | Fixed in v141 |
Desktop | Media | Taskbar Appearing when playing Full Screen Videos | bug1965699 | Fixed in v141 |
Desktop | UI/UX | Switching search engines on a new address bar | [16] [17] | Use keyword shortcut (e.g. @google, @ddg) on the new address bar |
Android | UI/UX | Firefox for Android no longer restart in private browsing mode | bug1973769 | This is intentional as per [18] |
Android | UI/UX | Firefox for Android Private browsing shortcut opens a regular window in v141 | bug1978764 | - |
Android | UI/UX | Bogus message: I'm a temporary text to indicate you're on the new Tab Fragment | bug1976648 | Will be fix in v142 |
Android | UI/UX | spacebar and backspace working abnormaly in google search bar with gboard | bug1968872 | - |
Focus Android | UI/UX | The search suggestions are barely visible on dark theme | bug1977340 | Will be fix in v.141.0.1 |
Known incidents
Firefox unable to load new pages | |
---|---|
Description: | Firefox unable to load new pages |
Status: | Resolved |
Product(s) impacted: | Firefox Desktop |
Associated bug: | Generic - Due to 1Password extension |
Resolution/workaround: | 1Password v 8.11.4.27 fixes the issue for bug1980009 |
Dual-homed Firefox sometimes unable to load new pages | |
---|---|
Description: | Dual-homed networks cause Firefox to sometimes be unable to load network resources |
Status: | Resolved |
Product(s) impacted: | Firefox Desktop |
Associated bug: | https://bugzilla.mozilla.org/show_bug.cgi?id=1980425 |
Resolution/workaround: | A fix will land in v143 |
Reddit blocking access to threads with error about "blocked by network security" | |
---|---|
Description: | As described |
Status: | Resolved |
Product(s) impacted: | Firefox Desktop/Android |
Associated bug: | [19] |
Resolution/workaround: | Reddit has rolled out a mitigation |
Inference process uses 100% CPU | |
---|---|
Description: | The team noticed reports on multiple Reddit threads about inference process uses 100% CPU |
Status: | Resolved |
Product(s) impacted: | Firefox Release v141 |
Associated bug: | [20] |
Resolution/workaround: | The inference process turned out to be related to an experiment (not the automated tab grouping) we run on select users on v141. The team decided to turn off the experiment, which solved the issue. |