Support/Firefox145
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Firefox 145 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:
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 145.0 Release Notes
- ESR 115.30.0 Release Notes
- ESR 140.5.0 Release Notes
- Firefox for Enterprise 145 Release Notes
- Firefox for developers 145 Release Notes
- Firefox for Android 145.0 Release Notes
- Firefox for iOS 145.0 Release Notes
Dot releases
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 145
Content in this page is being updated periodically as we're rolling out the release.
Firefox Desktop content update
| Contextual Password Manager | ||
|---|---|---|
| Description: | Starting in Firefox 143, users will be able to access and manage their saved passwords directly from the updated Firefox sidebar, | |
| Content request: | https://bugzilla.mozilla.org/show_bug.cgi?id=1982107 | |
| KB articles: | https://support.mozilla.org/kb/password-manager-remember-delete-edit-logins | Article update |
| https://support.mozilla.org/kb/use-sidebar-access-tools-and-vertical-tabs | ||
| https://support.mozilla.org/kb/use-firefox-sidebar-access-bookmarks-history-synced | ||
| Add Comment feature to the PDF viewer article | ||
|---|---|---|
| Description: | An article update to add comment feature to the PDF viewer article | |
| Content request: | https://bugzilla.mozilla.org/show_bug.cgi?id=1987517 | |
| KB article: | https://support.mozilla.org/kb/view-pdf-files-firefox-or-choose-another-viewer | Article update |
| Linux 32 bit End of Support | ||
|---|---|---|
| Description: | End of Support article for Linux 32 bit | |
| Content request: | https://bugzilla.mozilla.org/show_bug.cgi?id=1987596 | |
| KB article: | https://support.mozilla.org/en-US/kb/firefox-has-ended-support-32-bit-linux/history#preview | New article |
| Update to the Tab groups documentation | ||
|---|---|---|
| Description: | Tab groups SUMO article to reflect improvements made in Firefox 142 - 145 | |
| Content request: | https://bugzilla.mozilla.org/show_bug.cgi?id=1998276 | |
| KB article: | https://support.mozilla.org/kb/tab-groups | New article |
| Brand Refresh - Nov 2025 changes - wallpapers | ||
|---|---|---|
| Description: | Wallpaper update to welcome Kit | |
| Content request: | https://bugzilla.mozilla.org/show_bug.cgi?id=1998291 | |
| KB article: | https://support.mozilla.org/en-US/kb/customize-items-on-firefox-new-tab-page | Article update |
Firefox for Android content update
Firefox for iOS content update
Known studies/experiments
Top requests
Known issues
| Platform | Category | Issue | Known bug/Related discussions | Fix/workaround |
|---|---|---|---|---|
| Desktop | UI/UX | A thin strip remains between a maximized Firefox window and the screen edge on external monitors | bug 1993474 | no confirmed workaround; a fix is coming |
| Desktop | Profiles | Profiles created via the legacy Profile manager do not show up in the Profiles menu | bug 1996240 | Use the legacy Profile manager; the fix should come soon |
| Desktop | Profiles | The Refresh Firefox feature is disabled with the release of the new profile management system | bug 1928138 | - |
| Desktop | Sidebar | Microphone permission prompt is not displayed for sidebar chatbots | bug 1982956 | Give the website a persistent permission in a regular tab |
| Desktop | Webcompat | Facebook audio and video call isn't working in Firefox | bug 1896361 | - |
| Android | UI/UX | Empty strip remains and stories section cut when scrolling on homescreen with the toolbar set to top with composable toolbar disabled | bug 1998100 | - |
| Android | UI/UX | Android shortcuts no longer displayed in carousel view | - | This is an intentional change introduced in 144 |
| Android | UI/UX | Keyboard overlap with the input field when toolbar position is bottom | bug 1993415 | Fixed in v144.0.2? |
| iOS | UI/UX | Send tab functionality is missing | [1] | Unknown |
| iOS | UI/UX | Google search shows a download app message | [2] | Unknown |
Known incidents
| Desktop Launcher in 145.0 fails to start on Windows 10 old builds | |
|---|---|
| Description: | In the 145 release, the Firefox desktop shortcut (Firefox.lnk) is replaced with the new Desktop Launcher application (Firefox.exe) on the users' desktops. The Desktop Launcher relies on a library supported on Windows 10 only from version 1607 (14393) or later that has been updated since March 2025. Users with older/unupdated Windows 10 versions will see a failure if they try to use their desktop shortcuts. |
| Status: | Ongoing |
| Product(s) impacted: | Firefox Desktop |
| Associated bug: | bug 2000411 |
| Resolution/workaround: | Update Windows / Use Windows Start to start Firefox? |