| 2007602 |
Improve preparing absolute child list |
Core |
Layout: Positioned |
NEW |
Unspecified |
| 2007603 |
[wpt-sync] Sync PR 56907 - Bump hypothesis from 6.112.0 to 6.148.8 in /tools |
Testing |
web-platform-tests |
NEW |
All |
| 2007604 |
[wpt-sync] Sync PR 56908 - Bump psutil from 5.9.8 to 7.2.0 in /tools |
Testing |
web-platform-tests |
NEW |
All |
| 2007605 |
printing email is broken |
Thunderbird |
Message Reader UI |
UNCONFIRMED |
Unspecified |
| 2007606 |
[wpt-sync] Sync PR 56909 - Bump types-setuptools from 75.8.0.20250110 to 80.9.0.20251223 in /tools |
Testing |
web-platform-tests |
NEW |
All |
| 2007607 |
Add an expertimental API which lets us batch webRequest addListener calls, so we can do just one IPC to the parent for all interventions on startup. |
Web Compatibility |
Interventions |
ASSIGNED |
Unspecified |
| 2007608 |
"Manage addresses" autocomplete item navigates user to Payment Methods section in setting |
Firefox |
Settings UI |
NEW |
Unspecified |
| 2007609 |
Telemetry Alert for networking_http_channel_page_open_to_first_sent on 2025-12-09 |
Testing |
Performance |
NEW |
Unspecified |
| 2007610 |
"This page is slowing down Firefox. To speed up your browser, stop this page." error |
Core |
Performance: General |
UNCONFIRMED |
Unspecified |
| 2007611 |
[KR5] Phase 2 Part 3: LLM Output Validation |
Core |
Machine Learning: General |
ASSIGNED |
Unspecified |
| 2007612 |
Permafailing talos-pdfs toolchain job due to PDF redirect loop |
Testing |
Talos |
RESOLVED |
Unspecified |
| 2007613 |
Monitor resource usage of hazard analysis |
Core |
JavaScript: GC |
NEW |
Unspecified |
| 2007614 |
moz-box-item not draggable in reorderable moz-box-group in Settings |
Toolkit |
UI Widgets |
NEW |
Unspecified |
| 2007615 |
condprof permafail with: MOZ_DIAGNOSTIC_ASSERT(!foundInPendingQ) [@ mozilla::net::nsHttpConnectionMgr::CheckTransInPendingQueue] |
Core |
Networking: HTTP |
NEW |
Unspecified |
| 2007616 |
[wpt-sync] Sync PR 56910 - Add GitHub Actions workflow for NodeJS with Webpack |
Testing |
web-platform-tests |
NEW |
All |
| 2007617 |
Netflix HTML5 audio volume much lower on Firefox than Edge/Chrome on Windows 11 with Realtek speakers |
Core |
Audio/Video: Playback |
UNCONFIRMED |
Unspecified |
| 2007618 |
Caret position confused after backspace delete, leading to erroneous further deletions (part 2) |
Core |
DOM: Editor |
ASSIGNED |
All |
| 2007619 |
Perma Android dom/tests/unit/test_Fetch.js/netwerk/test/unit_ipc/<test>.js due to ADB-related errors |
Release Engineering |
General |
NEW |
Unspecified |
| 2007620 |
When scrolling a multiselect or size-specified Select, then the selected Option is cut |
Core |
Layout: Form Controls |
UNCONFIRMED |
Unspecified |
| 2007621 |
[wpt-sync] Sync PR 56911 - ScopedVT: Fix prepaint context for ::v-t clip/scroll escaping. |
Core |
CSS Parsing and Computation |
NEW |
All |
| 2007622 |
Hide scrollbars so anchor-scroll-chained-*.html passes |
Core |
CSS Parsing and Computation |
NEW |
Unspecified |
| 2007623 |
Clean up unic-langid-ffi |
Core |
Internationalization |
NEW |
Unspecified |
| 2007624 |
Cache storage API has potential performance improvement when vary headers are ignored |
Core |
Storage: Cache API |
ASSIGNED |
Unspecified |
| 2007625 |
[wpt-sync] Sync PR 56912 - layout: Support `content: <image>` on non-pseudo-elements |
Core |
Layout: Generated Content, Lists, and Counters |
NEW |
All |
| 2007626 |
[riscv64] Implement ICache flush check for riscv64-simulator |
Core |
JavaScript Engine: JIT |
ASSIGNED |
Unspecified |
| 2007627 |
Intermittent browser/base/content/test/about/browser_bug633691.js | Uncaught exception in test bound testTrue - at chrome://mochitests/content/browser/browser/base/content/test/about/browser_bug633691.js:63 - TypeError: can't access property "wrappedJS |
Firefox |
Tabbed Browser |
RESOLVED |
Unspecified |
| 2007628 |
Copying an animated GIF will only copy the first frame as a PNG |
Core |
Widget: Win32 |
NEW |
Unspecified |
| 2007629 |
update button is not working.informations are deleted when clicking the update button |
Invalid Bugs |
General |
RESOLVED |
Unspecified |
| 2007630 |
this is a test bug report |
Invalid Bugs |
General |
RESOLVED |
Unspecified |
| 2007631 |
this is a test bug report |
Invalid Bugs |
General |
RESOLVED |
Unspecified |
| 2007632 |
this is a test bug report |
Invalid Bugs |
General |
RESOLVED |
Unspecified |
| 2007633 |
this is a test bug report |
Invalid Bugs |
General |
RESOLVED |
Unspecified |
| 2007634 |
Modified codepen demo (https://codepen.io/team/wtc/pen/OPJEVKx) is very slow in Firefox, spending time in FlattenBezierCurveSegment |
Core |
CSS Transitions and Animations |
NEW |
Unspecified |
| 2007635 |
Update NSS to new version 213eff47d0697b06a123d954db4ce2fd46e5bd1a from 2025-12-19 12:24:11 |
Core |
Security: PSM |
ASSIGNED |
Unspecified |
| 2007636 |
Update android nightly application-services version bump to new version 1f20f9ea001e4fa6c7ae3d0995c6dfb6b0a8a90a from 2025-12-24 05:02:47 |
Firefox for Android |
General |
RESOLVED |
Unspecified |
| 2007637 |
heinnie.com - Products do not load on the page in most cases |
Web Compatibility |
Site Reports |
NEW |
Windows 10 |
| 2007638 |
New wpt failures in /scroll-animations/scroll-timelines/updating-the-finished-state.html |
Core |
Layout |
NEW |
All |
| 2007639 |
Add/Edit Address modal shows misaligned fields |
Firefox |
Settings UI |
NEW |
All |
| 2007640 |
CC expiration month not shown on Payment methods subpage and "undefined" shown in empty name field on Addresses subpage |
Firefox |
Settings UI |
NEW |
All |
| 2007641 |
www.papajohns.com - Error displayed when trying to checkout |
Web Compatibility |
Site Reports |
NEW |
Windows 10 |
| 2007642 |
Most recently added address or credit card appears last after syncing |
Firefox |
Settings UI |
NEW |
All |
| 2007643 |
Deliver FenceD3D11 to DXGITextureHostD3D11 |
Core |
Graphics |
RESOLVED |
Unspecified |
| 2007644 |
[a11y] Keyboard navigation skips “Help” icon second time while Firefox VPN is in Overflow menu |
Firefox |
IP Protection |
NEW |
Windows 10 |
| 2007645 |
Fullscreen video misaligned with hwaccel disabled until the tab is put into its own window |
Core |
Audio/Video: Playback |
UNCONFIRMED |
Unspecified |
| 2007646 |
www.hrblock.com - Stuck loading when trying to log in with Standard ETP in PBM |
Web Compatibility |
Privacy: Site Reports |
NEW |
Windows 10 |
| 2007647 |
The Firefox VPN “Not now” callout is displayed in private browsing when Signed out panel is displayed in normal browsing |
Firefox |
IP Protection |
NEW |
Windows 10 |
| 2007649 |
[VO] Screen reader announces “and 3 more items” when selecting “Turn it off” for Primary Password |
Firefox |
Settings UI |
NEW |
macOS |
| 2007651 |
[VO] Remove and Edit buttons are disabled for Add payments and addresses when VO is enabled |
Firefox |
Settings UI |
NEW |
macOS |
| 2007653 |
Update web-platform-tests to ebfc16527bd5e4abc04372df9351b4e894e93492 |
Testing |
web-platform-tests |
NEW |
All |
| 2007654 |
Crash in [@ java.lang.IllegalStateException at android.media.MediaCodec.releaseOutputBuffer(Native Method)] |
Firefox for Android |
UI Tests |
NEW |
Android |
| 2007655 |
6f9c0b52-5233-4db9-bbd3-9778dd1ee72d mozilla.appservices.places.uniffi.PlacesApiException$UnexpectedPlacesException: reason=Error executing SQL: database disk image is malformed |
Firefox for Android |
Bookmarks |
UNCONFIRMED |
Android |
| 2007656 |
test repository build failue due to the jdk version mismatch |
Webtools |
Searchfox |
RESOLVED |
Unspecified |
| 2007657 |
[wpt-sync] Sync PR 56914 - Wait for SCTP to be connected before checking ID assignment |
Core |
WebRTC |
NEW |
All |
| 2007658 |
in PiP, rewind and fast forward (10 seconds) are not working, instead, a mic and camera icon appear |
Firefox for Android |
Media |
NEW |
Android |
| 2007659 |
in PiP, rewind and fast forward (10 seconds) are not working, instead, a mic and camera icon appear |
Toolkit |
Picture-in-Picture |
NEW |
Android |
| 2007660 |
44.41% instagram loadtime (Android) regression on Thu December 18 2025 |
Core |
JavaScript Engine: JIT |
NEW |
Unspecified |
| 2007661 |
intermittent 502s from firefox-ci-tc since 2025-12-23 |
Cloud Services |
Operations: Taskcluster |
RESOLVED |
Unspecified |
| 2007662 |
Expand sidebar on hover is clunky |
Firefox |
Tabbed Browser |
NEW |
Unspecified |
| 2007663 |
Perma /webcodecs/video-encoder-h26x-annexb.https.any.worker.html | /webcodecs/video-encoder-h26x-annexb.https.any.worker.html?h265_annexb_software | Verify stream compliance h26x annexb - Unsupported config: {"c when Gecko 148 merges to beta on 2026-01-12 |
Core |
Audio/Video |
NEW |
Unspecified |
| 2007664 |
Refactor EngineDelegateMiddlewareTest to remove MainCoroutineRule |
Firefox for Android |
Tooling |
ASSIGNED |
Android |
| 2007665 |
Tapping to enable ETP for current website from UTP does nothing if ETP is disabled globally |
Firefox for Android |
Toolbar |
NEW |
Android |
| 2007666 |
Intermittent /css/css-anchor-position/scroll-to-anchored-fixed-004.html | single tracking bug |
Core |
CSS Parsing and Computation |
NEW |
Unspecified |
| 2007667 |
Languages from the automatic translations screen are not shown in alphabetical order |
Firefox for Android |
Translations |
NEW |
Android |
| 2007668 |
NSS accepts certificates with tampered Authority Information Access extensions. |
NSS |
Libraries |
UNCONFIRMED |
Unspecified |
| 2007669 |
Refactor ShareControllerTest to remove MainCoroutineRule |
Firefox for Android |
Tooling |
ASSIGNED |
Android |
| 2007670 |
NSS has accepted the Authority Information Access extension certificate marked as True |
NSS |
Libraries |
UNCONFIRMED |
Unspecified |
| 2007671 |
Investigate possible uses of Macrobenchmark to measure performance issues in redesigned synced tabs list composable |
Firefox for Android |
Performance |
NEW |
Android |
| 2007672 |
ESM: Don't attempt to decode wasm bytecode as text |
Core |
JavaScript: WebAssembly |
NEW |
Unspecified |
| 2007673 |
ARM64: Use SimulatorProcess::ICacheCheckingDisableCount |
Core |
JavaScript Engine |
NEW |
Unspecified |
| 2007674 |
Commit Access (Level 1) for Joe Cardoso jow13_122@yahoo.com |
mozilla.org |
Repository Account Requests |
UNCONFIRMED |
Unspecified |
| 2007675 |
v4l2loopback Camera Not Found with WebRTC |
Core |
WebRTC: Audio/Video |
UNCONFIRMED |
Unspecified |
| 2007676 |
Firefox 146 leaks Cloudflare DNS requests when DoH is disabled |
Core |
Networking: DNS |
UNCONFIRMED |
Unspecified |
| 2007678 |
skmedix.pl - Pop-up for unlocking content on the page is not displayed with Standard ETP in PBM |
Web Compatibility |
Privacy: Site Reports |
NEW |
Windows 10 |
| 2007681 |
28.15 - 9.84% imgur FirstVisualChange / imgur PerceptualSpeedIndex (Linux) regression on Fri December 19 2025 |
Core |
CSS Parsing and Computation |
NEW |
Unspecified |
| 2007682 |
[riscv64][loong64][mips64] ma_mod_mask checks the wrong register for -0 bailout |
Core |
JavaScript Engine: JIT |
ASSIGNED |
Unspecified |
| 2007685 |
Firefox can't access the Internet when using ControlD DNS (with DoH) |
Core |
Networking: DNS |
UNCONFIRMED |
Unspecified |
| 2007687 |
Enable Pashto (ps) localization for Firefox Desktop, Firefox for Android, and Firefox Focus |
Mozilla Localizations |
Other |
RESOLVED |
Unspecified |
| 2007688 |
Firefox screenshot tool includes Unicode punctuation (EN DASH U+2013) in autogenerated filename, breaking file uploads in external apps like Slack |
Firefox |
Screenshots |
UNCONFIRMED |
Unspecified |
| 2007689 |
[wpt-sync] Sync PR 56918 - [wasm] Add the test for Error.isError(WebAssembly.Exception) |
Core |
JavaScript: WebAssembly |
NEW |
All |
| 2007690 |
[wpt-sync] Sync PR 56919 - ScrollAnchor: Suppress adjustment during editing commands |
Core |
Layout: Scrolling and Overflow |
NEW |
All |
| 2007691 |
After minimizing and unminimizing Firefox window, new container tabs open in previously active window instead of currently focused window |
Core |
Widget: Cocoa |
UNCONFIRMED |
macOS |
| 2007692 |
Add native decoding support for Apple Lossless Audio Codec (ALAC) in Firefox |
Core |
Audio/Video |
UNCONFIRMED |
Unspecified |
| 2007694 |
Some collapsible text items do not open when tapped |
Firefox for Android |
Browser Engine |
UNCONFIRMED |
Android |
| 2007695 |
Assertion failure: aLine->GetChildCount() > pushCount (bad push), at /builds/worker/checkouts/gecko/layout/generic/nsBlockFrame.cpp:5349 |
Core |
Layout: Block and Inline |
NEW |
Unspecified |
| 2007696 |
ESM: Implement off-thread compilation of wasm modules |
Core |
JavaScript: WebAssembly |
NEW |
Unspecified |
| 2007697 |
Assertion failure: false (Unexpected type of content node is iterated by RangeSubtreeIterator), at /builds/worker/checkouts/gecko/dom/base/nsRange.cpp:2131 |
Core |
DOM: Selection |
NEW |
Unspecified |
| 2007698 |
Links are not rendered in add-on descriptions |
WebExtensions |
Frontend |
NEW |
Unspecified |
| 2007699 |
Kit wallpaper auto dark mode |
Firefox for Android |
Homepage |
UNCONFIRMED |
Unspecified |
| 2007700 |
[wpt-sync] Sync PR 56920 - wpt: Use Webdriver for all WPT runs |
Testing |
web-platform-tests |
NEW |
All |
| 2007701 |
Assertion failure: SelectionRef().GetAnchorFocusRange() && SelectionRef().GetAnchorFocusRange()->Collapsed() (Selection not collapsed after delete), at /builds/worker/checkouts/gecko/editor/libeditor/HTMLEditor.cpp:6051 |
Core |
DOM: Editor |
NEW |
Unspecified |
| 2007702 |
Assertion failure: !newEditingHost->IsInNativeAnonymousSubtree(), at /builds/worker/checkouts/gecko/dom/base/Selection.cpp:3974 |
Core |
DOM: Selection |
NEW |
Unspecified |
| 2007703 |
Assertion failure: lineContainer->GetWritingMode().IsVertical() == wm.IsVertical() (Decorating frame and line container must have writing modes in the same axis), at /builds/worker/checkouts/gecko/layout/generic/nsTextFrame.cpp:5867 |
Core |
Layout: Text and Fonts |
NEW |
Unspecified |
| 2007705 |
Assertion failure: aLinearValue >= 0, at /builds/worker/workspace/obj-build/dist/include/WebAudioUtils.h:48 |
Core |
Web Audio |
NEW |
Unspecified |
| 2007706 |
macOS 26 blocks the Firefox browser, version 146.0 (aarch64) |
Core |
Audio/Video: Playback |
UNCONFIRMED |
Unspecified |
| 2007707 |
[wpt-sync] Sync PR 56921 - script: Use creation URL for referrer |
Core |
DOM: Security |
NEW |
All |
| 2007708 |
armv7 compilation fails with error: unknown type name '__fp16' |
Core |
General |
UNCONFIRMED |
Unspecified |