| 2050247 |
Add lint error on small font-sizes |
Developer Infrastructure |
Lint and Formatting |
NEW |
Unspecified |
| 2050248 |
Perma [tier 2] browser/components/urlbar/tests/quicksuggest/unit/test_quicksuggest_migrate_v1.js | single tracking bug |
Firefox |
Address Bar |
NEW |
Unspecified |
| 2050249 |
comm_taskgraph: import release_level from mozilla-taskgraph instead of gecko_taskgraph |
Thunderbird |
Build Config |
ASSIGNED |
Unspecified |
| 2050250 |
[A11Y] Consider making a tracker blocking dashboard item larger, also it may not have a label readable by screen readers |
Firefox for Android |
Privacy |
NEW |
Android |
| 2050251 |
Container style queries that use `attr` inside of `calc()` don't handle invalidation correctly. |
Core |
CSS Parsing and Computation |
NEW |
Unspecified |
| 2050252 |
Intermittent Hit MOZ_CRASH(RenderOffscreen without a main scene rebuild to flush its interned items) at gfx/wr/webrender/src/scene_builder_thread.rs:694 |
Core |
Graphics: WebRender |
NEW |
Unspecified |
| 2050253 |
[Windows 10][High Contrast] moz-button hover colors are very subtle |
Toolkit |
UI Widgets |
NEW |
Windows |
| 2050255 |
Auto compact mode causes window.open to create too-large content areas for small popups |
Firefox |
Sidebar |
NEW |
Unspecified |
| 2050256 |
[Nova] Menus(List all tabs/Overflow/Application menu) don't have border in Default Light Theme |
Firefox |
Theme |
NEW |
All |
| 2050257 |
Ensure That the Legacy Urlbar Search Tips Are Removed |
Firefox |
Address Bar |
NEW |
Unspecified |
| 2050258 |
[A11Y] Talkback announces only "button" for the one that dismisses (hides) the tracker blocking dashboard |
Firefox for Android |
Privacy |
NEW |
Android |
| 2050259 |
Add local support for generating ETW (xperf) profiles |
Testing |
Raptor |
ASSIGNED |
Unspecified |
| 2050260 |
[meta] WebGPU doesn't work on Linux with AMD GPUs |
Core |
Graphics: WebGPU |
NEW |
Unspecified |
| 2050261 |
ChatGPT code block Copy button pastes multiline text in reverse line order into Windows PowerShell when dom.events.asyncClipboard.clipboardItem is enabled |
Core |
Widget: Win32 |
UNCONFIRMED |
Unspecified |
| 2050262 |
Remove CalExtractParserService (disabled and unused by default)" |
Calendar |
Internal Components |
NEW |
Unspecified |
| 2050263 |
Custom Tab flow is used to initialize a GeckoSession |
Firefox for Android |
Tabs |
NEW |
Android |
| 2050264 |
--panel-padding is too small with Nova enabled |
Toolkit |
Themes |
NEW |
Unspecified |
| 2050266 |
[wpt-sync] Sync PR 60867 - Don't fire change event during mutations affecting disabledness |
Core |
DOM: Core & HTML |
NEW |
All |
| 2050267 |
[wpt-sync] Sync PR 60849 - Move scroller to listbox for <input> in <select> |
Testing |
web-platform-tests |
NEW |
All |
| 2050268 |
[wpt-sync] Sync PR 60868 - WebKit export: Update outline-width and outline-offset to match updated computed style resolution rules |
Core |
Layout |
NEW |
All |
| 2050269 |
[wpt-sync] Sync PR 60869 - Reformat outline-009.html |
Core |
Layout |
NEW |
All |
| 2050271 |
Firefox deletes all saved screenshots from disk after closing the browser |
Toolkit |
Downloads API |
UNCONFIRMED |
Unspecified |
| 2050272 |
Use the nova color tokens for the toolbar shortcut |
Firefox for Android |
Toolbar |
ASSIGNED |
Android |
| 2050273 |
Perform ContObject finalization at the background thread |
Core |
JavaScript: WebAssembly |
NEW |
Unspecified |
| 2050274 |
FNMT:Delay in incident disclosure reporting for Bug #2049012 |
CA Program |
CA Certificate Compliance |
ASSIGNED |
Unspecified |
| 2050275 |
Commit Access (Level 1) for Anand Balaji (anandabalaji@gmail.com) |
mozilla.org |
Repository Account Requests |
UNCONFIRMED |
Unspecified |
| 2050276 |
ActorsParents.cpp use of "LIMIT" SQL is inconsistent |
Core |
Storage: IndexedDB |
ASSIGNED |
Unspecified |
| 2050277 |
[wpt-sync] Sync PR 60870 - Limit baseline synthesis to block-axis scrollers |
Core |
Layout: Block and Inline |
REOPENED |
All |
| 2050278 |
[meta] Nudges 2026 - Organic Navigations to Search Engines |
Firefox |
Address Bar |
NEW |
Unspecified |
| 2050279 |
Advocate message for when user is on Bing SERP organically (2026 version) |
Firefox |
Address Bar |
ASSIGNED |
Unspecified |
| 2050280 |
Advocate message for when user is on DDG SERP organically (2026 version) |
Firefox |
Address Bar |
ASSIGNED |
Unspecified |
| 2050281 |
Firefox 152.0.2 drops YouTube video quality after seeking, while Firefox 151.0.1 works correctly |
Core |
Audio/Video: Playback |
UNCONFIRMED |
Unspecified |
| 2050282 |
[wpt-sync] Sync PR 60871 - layout: Apply reference frame clips via stacking contexts |
Core |
Web Painting |
NEW |
All |
| 2050283 |
[meta] Nudges 2026 - New User |
Firefox |
Address Bar |
NEW |
Unspecified |
| 2050284 |
Advocate message for new users opening a new tab |
Firefox |
Address Bar |
NEW |
Unspecified |
| 2050285 |
[wpt-sync] Sync PR 60872 - Fix extension cleanup in chrome WebDriver BiDi WPT runner |
Testing |
web-platform-tests |
NEW |
All |
| 2050287 |
High freq org.mozilla.geckoview.test.PromptDelegateTest | single tracking bug |
GeckoView |
General |
RESOLVED |
Android |
| 2050288 |
Add telemetry for the Add Shortcuts dialog |
Firefox for Android |
Top Sites |
ASSIGNED |
Android |
| 2050289 |
Promote remote tabs for single-device users in top History menu |
Firefox |
Sync |
NEW |
Unspecified |
| 2050290 |
Non-Latin script not displaying properly while Enhanced Tracking Protection is set to on |
Core |
Privacy: Anti-Tracking |
UNCONFIRMED |
Unspecified |
| 2050291 |
Create SplitView Trigger that gets fired on using split view feature |
Core |
Machine Learning: Frontend |
NEW |
Unspecified |
| 2050292 |
Change the "Show all" shortcut entry to appear when there are 8 shortcuts |
Firefox for Android |
Top Sites |
ASSIGNED |
Android |
| 2050293 |
Clicking "I'm not a robot" checkbox in the captha on facebook.com makes the Android emnulator hang |
GeckoView |
General |
NEW |
Android |
| 2050294 |
Perma windows cubeb.loopback_separate_streams | Expected: (io_mas) < (output_silence_mas), actual: nan vs 0.63661831792587364 |
Core |
Audio/Video: cubeb |
NEW |
Unspecified |
| 2050295 |
browser_feature_callout_in_chrome.js times out on Windows when browser.nova.enabled is true |
Firefox |
Messaging System |
NEW |
Unspecified |
| 2050296 |
Use MOZ_LOG_FMT for remaining files on dom/media |
Core |
Audio/Video: Playback |
NEW |
Unspecified |
| 2050297 |
browser_dynamical_window_rounding.js fails with incorrect window dimensions on Windows and times out on Linux when browser.nova.enabled is true |
Core |
Privacy: Anti-Tracking |
NEW |
Unspecified |
| 2050298 |
Perma windows /webaudio/the-audio-api/the-audiocontext-interface/audiocontext-sinkid-setsinkid.https.html | etSinkId() with a valid device identifier and setting the same ID should succeed. - promise_test: Unhandled rejection with value: object |
Core |
Web Audio |
ASSIGNED |
Unspecified |
| 2050299 |
FocusTimer: Fix progress circle on transition |
Firefox |
New Tab Page |
RESOLVED |
Unspecified |
| 2050300 |
Update PDF.js to new version 10844326c7e29b563645c454e10c315549523605 from 2026-06-24 18:32:34 |
Firefox |
PDF Viewer |
RESOLVED |
Unspecified |
| 2050301 |
browser_sidebar_expand_on_hover.js times out on all platforms when browser.nova.enabled is true |
Firefox |
Sidebar |
NEW |
Unspecified |
| 2050302 |
Refactor out folder commands |
Thunderbird |
Folder and Message Lists |
ASSIGNED |
Unspecified |
| 2050303 |
Enable flatpak/windows store/deb releases for Thunderbird ESR153 |
Thunderbird |
Build Config |
NEW |
Unspecified |
| 2050304 |
Excessive Data Usage: Repeatedly downloading the same file currently in cache |
Core |
Networking: Cache |
UNCONFIRMED |
Unspecified |
| 2050305 |
New Tab train hop strings not appearing in Japanese macOS |
Firefox |
New Tab Page |
NEW |
Unspecified |
| 2050306 |
AssertIs and JUnitAssertNotNull lint detector tests fail to resolve their kotlin.test stubs under lint 32 |
Firefox for Android |
Tooling |
NEW |
Android |
| 2050307 |
Stop minifying the Focus instrumented-test APKs |
Firefox Build System |
Task Configuration |
RESOLVED |
Unspecified |
| 2050308 |
Update Windows worker images to 1.3.5 / 1.0.5 (ronin_puppet 82415f4) |
Infrastructure & Operations |
RelOps: Windows OS |
RESOLVED |
Unspecified |
| 2050309 |
Reflect an audio-focus interruption in the Autoplay Policy Detection API (navigator.getAutoplayPolicy) |
Core |
Audio/Video |
NEW |
Unspecified |
| 2050310 |
speechSynthesis 'error' should use SpeechSynthesisErrorEvent and support the 'not-allowed' error code |
Core |
Web Speech |
NEW |
Unspecified |
| 2050311 |
Crash in [@ memcpy | mozilla::BufferList<T>::ReadBytes] |
Core |
JavaScript Engine |
NEW |
Windows |
| 2050312 |
Fix OFF timing of Widget resizing via Widget Header |
Firefox |
New Tab Page |
NEW |
Unspecified |
| 2050314 |
FxaAccountManager actions should not be able to change IPProtection entitlement |
Firefox for Android |
Privacy |
ASSIGNED |
Android |
| 2050315 |
Add unit test coverage for core IPProtection components |
Firefox for Android |
Privacy |
ASSIGNED |
Android |
| 2050316 |
[wpt-sync] Sync PR 60873 - Make NavTiming TAO redirect test non-tentative |
Core |
DOM: Performance APIs |
REOPENED |
All |
| 2050317 |
Update Thunderbird global Herald rules to point at new Git repos |
Conduit |
Phabricator |
RESOLVED |
Unspecified |
| 2050318 |
r= flags don't have the # prefix for groups |
Conduit |
Lando |
NEW |
Unspecified |
| 2050319 |
[wpt-sync] Sync PR 60874 - [Masonry] Add inflow_bounds support in grid-lanes |
Core |
Layout: Grid |
NEW |
All |
| 2050321 |
[wpt-sync] Sync PR 60875 - Enable support compositor animations for SVG <use> |
Core |
CSS Transitions and Animations |
NEW |
All |
| 2050322 |
[wpt-sync] Sync PR 60876 - [animation-trigger] Check impl compatibility for non-current animations |
Core |
Layout |
REOPENED |
All |
| 2050323 |
[wpt-sync] Sync PR 60877 - Ensure reversed animations receive a final frame after start delay |
Core |
DOM: Animation |
REOPENED |
All |
| 2050325 |
Make both thread tree sorting menus use the same code |
Thunderbird |
Folder and Message Lists |
ASSIGNED |
Unspecified |
| 2050326 |
[text-box-trim] Add WPTs for ideographic / ideographic-ink edges |
Core |
CSS Parsing and Computation |
NEW |
Unspecified |
| 2050327 |
Make `gDBView` always equal to `gViewWrapper?.dbView` |
Thunderbird |
Folder and Message Lists |
ASSIGNED |
Unspecified |
| 2050328 |
[wpt-sync] Sync PR 60878 - Remove extra blank line in outline-009.html |
Core |
Layout |
NEW |
All |
| 2050329 |
[wpt-sync] Sync PR 60879 - WebKit export of https://bugs.webkit.org/show_bug.cgi?id=317779 |
Core |
Layout |
NEW |
All |
| 2050330 |
[IPC Urlbar] Phase 3: Add UrlbarResult serialization for the actor boundary |
Firefox |
Address Bar |
ASSIGNED |
Unspecified |
| 2050331 |
[wpt-sync] Sync PR 60880 - [css-view-transitions] Reland: Fix race in mismatched-snapshot test |
Core |
CSS Parsing and Computation |
NEW |
All |
| 2050332 |
New wpt failures in /css/css-grid/grid-lanes/subgrid/grid-subgridded-to-grid-lanes/line-names/ [column-line-names-001.html, column-line-names-002.html, column-line-names-003.html, and 11 others] |
Core |
Layout: Grid |
NEW |
All |
| 2050333 |
[LNA] inconsistent permissions.query error |
Core |
DOM: Networking |
NEW |
Unspecified |
| 2050334 |
[wpt-sync] Sync PR 60881 - [wptrunner] Dedup `BidiPermissionsSetPermissionAction` from list |
Testing |
web-platform-tests |
NEW |
All |
| 2050335 |
`Failed to determine Treeherder revision` on thunderbird-desktop landing jobs |
Conduit |
Lando |
NEW |
Unspecified |
| 2050336 |
Add members to Github Team: pm-os-maintainers (nested under product-management) |
mozilla.org |
Github: Administration |
NEW |
Unspecified |
| 2050337 |
[wpt-sync] Sync PR 60882 - [line-break] Relax the `DCHECK` for `BreakText` results |
Core |
Layout: Text and Fonts |
NEW |
All |
| 2050338 |
[wpt-sync] Sync PR 60883 - WebKit export of https://bugs.webkit.org/show_bug.cgi?id=316356 |
Core |
DOM: Security |
NEW |
All |
| 2050339 |
Crossword widget - Add in locales preview file for en-xx localization |
Firefox |
New Tab Page |
NEW |
Unspecified |
| 2050340 |
Crossword widget - Add Crossword to AboutPreferences |
Firefox |
New Tab Page |
NEW |
Unspecified |
| 2050341 |
[wpt-sync] Sync PR 60884 - WebKit export of https://bugs.webkit.org/show_bug.cgi?id=316847 |
Core |
DOM: Security |
NEW |
All |
| 2050342 |
Bump the minimum supported version of clang to 19 |
Firefox Build System |
Toolchains |
NEW |
Unspecified |
| 2050343 |
[wpt-sync] Sync PR 60885 - Add Chrome extension WPT reviewers. |
Testing |
web-platform-tests |
NEW |
All |
| 2050344 |
[clang-22] Perma /builds/worker/checkouts/gecko/nsprpub/pr/src/md/windows/ntmisc.c(736,46): error: incompatible pointer types passing 'PRInt32 *' (aka 'int *') to parameter of type 'LPDWORD' (aka 'unsigned long *') [-Wincompatible-pointer-types] |
NSPR |
NSPR |
NEW |
Unspecified |
| 2050345 |
[wpt-sync] Sync PR 60886 - Allow ruby annotations to overflow into the block-start margin |
Core |
Layout: Ruby |
NEW |
All |
| 2050346 |
rust updatebot fails with: subprocess.CalledProcessError: Command '['/builds/worker/venvs/rusty/bin/moz-phab', 'submit', '-s', '--no-lint']' returned non-zero exit status 1. |
Thunderbird |
Build Config |
NEW |
Unspecified |
| 2050347 |
EWS/NTLM on on-prem Exchange intermittently shows global login-failed dialog while sync continues; NTLM re-auth is not coordinated on the real POST channel |
MailNews Core |
Networking: Exchange |
UNCONFIRMED |
Unspecified |
| 2050348 |
[Nova] [a11y] VPN main panel exclusion toggle is not visible while disabled using default browser themes |
Firefox |
IP Protection |
NEW |
Windows 11 |
| 2050349 |
menus steal clicks |
Core |
Widget: Gtk |
UNCONFIRMED |
Unspecified |
| 2050350 |
[wpt-sync] Sync PR 60887 - Add an RTL test for tab position when there're floats |
Core |
Layout: Text and Fonts |
NEW |
All |
| 2050351 |
Firefox version 152.0.2 no longer latest on flatpak |
Firefox |
Distributions |
RESOLVED |
Linux |
| 2050352 |
Horizontal menu slide animation is less smooth than Chrome across Firefox Desktop and Android |
Core |
Graphics: WebRender |
UNCONFIRMED |
All |
| 2050353 |
Force TLS Version Not Working |
Thunderbird |
Security |
UNCONFIRMED |
Unspecified |
| 2050354 |
[Sidebar] Page objects flicker into place when creating a new tab or opening an existing one after resizing the sidebar |
Firefox |
Sidebar |
NEW |
All |
| 2050355 |
L10n-bumper fails with [taskcluster:error] exit status 1: Client ID … does not have sufficient scopes |
Thunderbird |
Build Config |
RESOLVED |
Unspecified |
| 2050356 |
L10n-bumper fails with [taskcluster:error] exit status 1: Client ID … does not have sufficient scopes |
Thunderbird |
Build Config |
RESOLVED |
Unspecified |
| 2050357 |
[wdspec] Use a dedicated geckodriver instance for Mozilla-specific tests |
Remote Protocol |
Agent |
ASSIGNED |
Unspecified |
| 2050358 |
nsContextMenu should use URL objects instead of strings |
Firefox |
Menus |
NEW |
Unspecified |
| 2050359 |
The username field is broken when selecting the text in the password manager doorhanger |
Toolkit |
Form Autofill |
NEW |
All |
| 2050360 |
[Nova] Keyboard navigation highlight effect lacks contrast in the address bar dropdown with Dark Theme enabled |
Firefox |
Address Bar |
NEW |
All |
| 2050362 |
[wpt-sync] Sync PR 60888 - wpt: Add missing message type to autoplay permission query. |
Core |
DOM: Security |
NEW |
All |
| 2050363 |
Credit card/Address doorhanger doesn't save a more than 200 character name or cut it for a less than 200 character name |
Toolkit |
Form Autofill |
NEW |
All |
| 2050365 |
[wpt-sync] Sync PR 60889 - [iframe] Fix yet another flaky case |
Core |
Layout |
NEW |
All |
| 2050366 |
[Nova] Navigation toolbar color scheme does not match the Figma design in Private Browsing Mode |
Firefox |
Address Bar |
NEW |
All |
| 2050367 |
[wpt-sync] Sync PR 60891 - WebKit export of https://bugs.webkit.org/show_bug.cgi?id=317576 |
Core |
DOM: Events |
NEW |
All |
| 2050369 |
New wpt failures in /css/css-overflow/line-clamp/line-clamp-026.html |
Core |
Layout: Scrolling and Overflow |
NEW |
All |
| 2050370 |
[Nova] The highlight of the Split View tab is overlapping the separator line |
Firefox |
Sidebar |
NEW |
All |
| 2050371 |
Browser Toolbox documentation gives wrong menu item for launching |
DevTools |
Documentation |
NEW |
All |
| 2050372 |
The highlight of the Split View tab is displayed as a circle when expanding the sidebar |
Firefox |
Sidebar |
NEW |
All |
| 2050373 |
[dark mode] The "Import bookmarks" is barely visible on a Redmi Note 8T device |
Firefox for Android |
Bookmarks |
NEW |
Android |
| 2050374 |
[autowebcompat] Support writing attachments to bugzilla |
Web Compatibility |
Tooling & Investigations |
RESOLVED |
Unspecified |
| 2050375 |
mach bootstrap fails to install agentic coding tools due to out of date rust version (1.95.0 vs 1.93.0) |
Developer Infrastructure |
AI for Development |
NEW |
Unspecified |
| 2050377 |
[Nova] The “Learn how we protect your data” link from the “NEWTAB_PERSONALIZATION_MESSAGE” displays a blue and non‑rounded focus outline |
Firefox |
Messaging System |
NEW |
All |
| 2050378 |
Picking a url from the list of results should clear any related autofill backspace counter |
Firefox |
Address Bar |
ASSIGNED |
Unspecified |
| 2050379 |
Dismissing a url autofill should requery and eventually autofill the origin |
Firefox |
Address Bar |
NEW |
Unspecified |
| 2050381 |
Credit cards doorhanger cannot be reached via keyboard focus upon initial submission |
Toolkit |
Form Autofill |
NEW |
All |
| 2050382 |
Remove selector imports from all pages |
Firefox for Android |
UI Tests |
ASSIGNED |
Android |
| 2050383 |
ANF AC: Incident Report - OCSP "unknown" response for CT precertificate |
CA Program |
CA Certificate Compliance |
ASSIGNED |
Unspecified |
| 2050384 |
Website di.fm does not load when network.http.happy_eyeballs_enabled=true |
Core |
Networking: HTTP |
NEW |
Unspecified |
| 2050385 |
Add (thread safe) weak pointer support to SafeRefPtr |
Core |
Storage: IndexedDB |
NEW |
Unspecified |
| 2050386 |
[Nova] Search box overlaps with the tabstrip |
Firefox |
Private Browsing |
NEW |
Unspecified |
| 2050387 |
Disable the verifyTheDeleteBookmarkMenuItemInACustomTabTest UI test |
Firefox for Android |
UI Tests |
ASSIGNED |
Android |
| 2050388 |
The radio buttons of the AI models from the Onboarding screen inside the Sidebar are not read as grouped together |
Core |
Machine Learning: Frontend |
NEW |
Unspecified |
| 2050389 |
[Intermittent] Username is not captured/displayed in the save password doorhanger upon form submission |
Toolkit |
Form Autofill |
NEW |
All |
| 2050391 |
Unneccessary rate limit checks in BrowsingContext::Navigate and LocationBase::Navigate |
Core |
DOM: Navigation |
NEW |
Unspecified |
| 2050392 |
Wrong heading levels in AI settings |
Firefox |
Settings UI |
RESOLVED |
Unspecified |
| 2050393 |
0.27% Base Content JS (Linux) regression on Thu June 18 2026 |
Web Compatibility |
Site Reports |
NEW |
Unspecified |
| 2050394 |
[wpt-sync] Sync PR 60892 - [mathml] Implement target and hyperlinkutils for MathML a element |
Core |
MathML |
NEW |
All |
| 2050395 |
[Nova] Hover/Highlight effect does not match the Figma color scheme design for urlbar view row |
Firefox |
Address Bar |
NEW |
All |
| 2050396 |
[wpt-sync] Sync PR 60893 - Rasterize shape() shape-outside in logical coordinates |
Core |
Layout: Floats |
NEW |
All |
| 2050397 |
Implement Passport management page |
Toolkit |
Form Autofill |
ASSIGNED |
Unspecified |
| 2050398 |
Don't wipe out storage of other pings that have the same prefix |
Data Platform and Tools |
Glean: SDK |
ASSIGNED |
Unspecified |
| 2050399 |
[IPC Urlbar] Phase 4: Make the Urlbar actor pair carry real messages |
Firefox |
Address Bar |
ASSIGNED |
Unspecified |
| 2050400 |
0.27% Base Content JS (Windows) regression on Thu June 18 2026 |
Web Compatibility |
Site Reports |
NEW |
Unspecified |
| 2050401 |
headingLevel not set for tab sub-headings |
Firefox |
Settings UI |
NEW |
Unspecified |
| 2050402 |
[wpt-sync] Sync PR 60894 - WebKit export of https://bugs.webkit.org/show_bug.cgi?id=316902 |
Core |
DOM: CSS Object Model |
NEW |
All |
| 2050403 |
Clarify git commit --fixup / git rebase --autosquash example in stack_quickref.rst |
Developer Infrastructure |
Source Documentation |
ASSIGNED |
Unspecified |
| 2050404 |
[Nova] The Sidebar division line is not according to the Figma specification |
Firefox |
Sidebar |
NEW |
All |
| 2050405 |
VPN Feature's divider between “Try it” chip and chevron is not visible on dark theme |
Firefox for Android |
Privacy |
NEW |
Android |
| 2050406 |
Requesting GitHub membership to the mozilla-sre-deploy, mozilla-it org for nothingrandom |
mozilla.org |
Github: Administration |
NEW |
Unspecified |
| 2050408 |
enable create-interactive action for generic-worker tasks |
Firefox Build System |
Task Configuration |
ASSIGNED |
Unspecified |
| 2050409 |
TalkBack does not announce the turn on/off action |
Firefox for Android |
Privacy |
NEW |
Android |
| 2050410 |
[Nova]Missing the hover effect for the Private browsing icon while Vertical tabs are enabled |
Firefox |
Private Browsing |
NEW |
Unspecified |
| 2050411 |
The Glean Debug Viewer displays errors for various ping types during event triggers |
Data Platform and Tools |
Glean: SDK |
NEW |
All |
| 2050412 |
Update NSS to new version 393acf27284d02bc276a154ec9b6e5248ab54456 from 2026-06-24 03:13:26 |
Core |
Security: PSM |
NEW |
Unspecified |
| 2050413 |
privacy.wallet_schemes is wrongly set in browser/ but used in toolkit |
Core |
Privacy: Anti-Tracking |
ASSIGNED |
Unspecified |
| 2050414 |
Update PDF.js to new version a1953e7c3c2ae08baa6e3aeb43908b7bfbad208c from 2026-06-25 11:44:33 |
Firefox |
PDF Viewer |
NEW |
Unspecified |
| 2050415 |
After window reload, old window's child iframe's `window.parent` refers to new window |
Core |
Networking: HTTP |
UNCONFIRMED |
Unspecified |
| 2050416 |
TalkBack does not announce the page title when navigating to VPN Settings from the browser menu |
Firefox for Android |
Privacy |
NEW |
Android |
| 2050417 |
[Nova] VPN Get Started “By proceeding, you agree to the Terms of Service and Privacy Notice” text is Align Left |
Firefox |
IP Protection |
NEW |
macOS |
| 2050418 |
[Nova] Icon for List all tabs with Vertical tabs mode should be the same as in Horizonal tabs mode |
Firefox |
Theme |
NEW |
All |
| 2050419 |
Tweak and improve manifest token interpolation syntax |
Firefox |
Theme |
ASSIGNED |
Unspecified |
| 2050420 |
Error: can't access property "focus", defaultButton is undefined - for dialogs without default |
Toolkit |
UI Widgets |
ASSIGNED |
Unspecified |
| 2050421 |
[Nova] OpenAI ChatGPT panel UI does not match the Nova Figma design |
Firefox |
Sidebar |
NEW |
All |
| 2050422 |
ASSERTION: C:\\Users\\task_178180629178662\\AppData\\Local\\Temp\\user.js:59: prefs parse error: unexpected character: 'Error' |
Testing |
XPCShell Harness |
NEW |
Unspecified |
| 2050423 |
startup flatpak freedesktop + Firefox 152.0.2: Crash in [@ <[A] as core::slice::cmp::SlicePartialEq<B>>::equal] and many other crash signatures |
Core |
Widget: Gtk |
RESOLVED |
Unspecified |
| 2050426 |
The "Secure connection" item position on the dashboard is different from the one in figma |
Firefox for Android |
Privacy |
NEW |
Android |
| 2050427 |
Cookie exceptions buttons "Allow for session" and "allow" misaligned |
Firefox |
Settings UI |
NEW |
Unspecified |
| 2050428 |
Anchor link behavior regression |
Core |
Disability Access APIs |
UNCONFIRMED |
Unspecified |
| 2050429 |
Standardize dynamic selector naming and complete the all lists across selector objects |
Firefox for Android |
UI Tests |
ASSIGNED |
Android |
| 2050432 |
[WebCompat Reporter v3] The ETP checkbox and its text are not left-aligned |
Firefox for Android |
Design System and Theming |
NEW |
Android |
| 2050435 |
Create README template to use in releases |
SeaMonkey |
Release Engineering |
ASSIGNED |
All |
| 2050440 |
The PDF viewer annotation toolbar remains permanently visible over the document content after highlighting, lacking a dismiss or close mechanism and obstructing the text. |
Firefox |
PDF Viewer |
UNCONFIRMED |
Unspecified |
| 2050444 |
[Nova] The play button is cut off with vertical tabs when tabs overflow |
Firefox |
Sidebar |
NEW |
All |
| 2050446 |
[Nova]New tab page logo background color does not match the Figma design |
Firefox |
Private Browsing |
ASSIGNED |
Unspecified |
| 2050452 |
"Continue without VPN?" modal does not adapt to dark mode / private mode |
Firefox for Android |
Privacy |
NEW |
Android |
| 2050455 |
[Nova] The tab text and some Tool icons change their color into a bright grey color when activating and then deactivating High Contrast Mode |
Firefox |
Sidebar |
NEW |
All |
| 2050457 |
No modals receive focus |
Core |
Widget: Gtk |
UNCONFIRMED |
Unspecified |
| 2050458 |
Regression in layout with SVG icons in Firefox 153 |
Core |
SVG |
UNCONFIRMED |
Unspecified |
| 2050459 |
Access keys stopped working/missing in exception panel in settings |
Firefox |
Settings UI |
NEW |
Unspecified |
| 2050460 |
Intermittent devtools/client/framework/test/browser_toolbox_options_local_mode_notice.js | single tracking bug |
DevTools |
Framework |
NEW |
Unspecified |
| 2050461 |
dynamically inserted input boxes doesn't bind with keyboard even though the keyboard pops up correctly |
Firefox for Android |
Browser Engine |
UNCONFIRMED |
Android |
| 2050463 |
Correctly dispatch "onboarding_not_now_tapped" when user taps on Not now in onboarding sheet |
Firefox for Android |
Privacy |
NEW |
Android |
| 2050464 |
PContent AddCertException allows a compromised content process to inject arbitrary certificate overrides |
Core |
DOM: Content Processes |
RESOLVED |
Unspecified |
| 2050471 |
Print reftests fail on macOS with an obscure error message |
Core |
Printing: Output |
ASSIGNED |
Unspecified |
| 2050473 |
Add cross-platform support for DLP framework (but not the content analysis backend) |
Enterprise Products |
Firefox |
NEW |
Unspecified |
| 2050474 |
test_iconPath asserts icon before list-style-image flush, races to "none" on macOS aarch64/opt |
Thunderbird |
Add-Ons: General |
NEW |
Unspecified |
| 2050475 |
Create new component `Web Compatibility :: Automation` |
bugzilla.mozilla.org |
Administration |
RESOLVED |
Unspecified |
| 2050478 |
panel-list submenu opens off screen at certain viewport sizes when accessed via keyboard navigation |
Toolkit |
UI Widgets |
NEW |
Unspecified |
| 2050479 |
Requesting GitHub membership to the mozilla-partners org for 1 Firefox Enterprise engineer |
mozilla.org |
Github: Administration |
NEW |
Unspecified |
| 2050481 |
Lockstore - Improve treatment of unlock for rederived values (eg. Password KEK) |
Core |
Security |
NEW |
Unspecified |
| 2050483 |
decomission x64 macOS CaR |
Testing |
Performance |
NEW |
Unspecified |
| 2050486 |
Activating accesskeys causes panel-list to close instead of opening the submenu |
Toolkit |
UI Widgets |
NEW |
Unspecified |
| 2050488 |
Run WPT testharness with --processes=4 on bare-metal macOS aarch64 (M4) CI workers |
Testing |
web-platform-tests |
NEW |
macOS |
| 2050493 |
[Nova] Device name icon color from Tabs from other devices does not match the Figma spec |
Firefox |
Sidebar |
NEW |
All |
| 2050495 |
[Debugging - Setup page] 'No devices discovered' text minimum color contrast not respected |
DevTools |
about:debugging |
NEW |
Unspecified |
| 2050501 |
[Nova] Close button color from sidebar pannels does not respect figma |
Firefox |
Sidebar |
NEW |
All |
| 2050503 |
Multiple failures on Windows 11 x86 25H2 Shippable |
Infrastructure & Operations |
RelOps: Windows OS |
NEW |
Unspecified |
| 2050505 |
Autocomplete row item text not visible when selected in darkmode on Windows |
Toolkit |
Form Autofill |
ASSIGNED |
Windows 10 |
| 2050508 |
Focus outline remains on autocomplete row item when pointer leaves panel |
Toolkit |
Form Autofill |
NEW |
Unspecified |
| 2050511 |
[Nova] The border radius of the top-left corner of the main webpage content block is 4px instead of 8px on Windows 11 |
Firefox |
Theme |
NEW |
Windows |
| 2050512 |
Unable to type certain characters in GMail emails in Firefox if a virtual keyboard is used on Linux |
Core |
Widget: Gtk |
UNCONFIRMED |
Unspecified |
| 2050514 |
Shared/public CalDAV calendar from Kerio Connect synchronizes empty - response.firstProps is undefined |
Calendar |
Provider: CalDAV |
UNCONFIRMED |
Linux |
| 2050515 |
Enable WebGL Vendor and Renderer protection in Nightly PBM |
Core |
Privacy: Anti-Tracking |
ASSIGNED |
Unspecified |
| 2050516 |
Updatebot is not creating A-S Phab Revisions because of incomplete try revisions |
Developer Infrastructure |
Try |
NEW |
Unspecified |
| 2050517 |
Allow extending ActionOnlyMessage allowed actions and SET_PREF allowed prefs lists via remote settings |
Firefox |
Messaging System |
NEW |
Unspecified |
| 2050518 |
Add method to query daily tracker stats to PrivacyMetricsService |
Firefox |
Protections UI |
NEW |
Unspecified |
| 2050519 |
Intermittent TestWebrtcVideoEncoderFactory.RacyGmpPluginForwards | Expected equality of these values: | single tracking bug |
Core |
WebRTC: Audio/Video |
NEW |
Unspecified |
| 2050520 |
Geckodriver kills Firefox immediately when connecting to non-rooted device |
Developer Infrastructure |
Firefox MCP |
ASSIGNED |
Unspecified |
| 2050521 |
Prepare for unavailable stream when FileMetadataCallback is called on close |
Core |
Storage: IndexedDB |
NEW |
Unspecified |
| 2050522 |
Support placing a moz-visual-picker label outside of the visual item |
Toolkit |
UI Widgets |
NEW |
Unspecified |
| 2050523 |
Firefox Relay Mask/Label Name Display Fixes |
Toolkit |
Relay |
NEW |
Unspecified |
| 2050524 |
Create a basic UI-only theme picker for use on various surfaces |
Toolkit |
UI Widgets |
NEW |
Unspecified |
| 2050525 |
Don't add fxsharing.shares.tasks.fetch_link_preview failues to dead_letter_queue table |
Firefox |
Sharing |
ASSIGNED |
Unspecified |
| 2050526 |
[Nova] The Nova colors don’t persist on the buttons in the Callouts messages when enabling the Alpenglow theme |
Firefox |
Messaging System |
NEW |
All |
| 2050527 |
Move SyncEngine and SyncConfig to concept-sync |
Firefox for Android |
Accounts and Sync |
ASSIGNED |
Android |
| 2050528 |
Change the icon of the "Summarize pages" toolbar shortcut to match the same from the menu |
Firefox for Android |
Toolbar |
ASSIGNED |
Android |
| 2050529 |
Create a module and ReactiveController to handle updates from the theme picker |
Toolkit |
UI Widgets |
NEW |
Unspecified |
| 2050530 |
[meta] HTML Patching |
Core |
DOM: HTML Parser |
NEW |
Unspecified |
| 2050531 |
Create JSWindowActors and a ReactiveController to handle updates from the theme picker |
Toolkit |
UI Widgets |
NEW |
Unspecified |
| 2050532 |
Rework RESTYLE_IF_AFFECTED_BY_NAMED_STYLE_CONTAINER to only invalidate descendants and not self. |
Core |
CSS Parsing and Computation |
NEW |
Unspecified |
| 2050533 |
[Windows][High Contrast] `<moz-button type=primary>` don't seem to have specific colors on hover in High Contrast Mode when Nova is enabled |
Toolkit |
Themes |
NEW |
Windows |
| 2050535 |
Jitter scrolling on mouse move in specific blog theme |
Core |
Layout: Scrolling and Overflow |
UNCONFIRMED |
Unspecified |
| 2050537 |
Lockstore - Correctly pass key_size parameter in tests |
Core |
Security |
ASSIGNED |
Unspecified |
| 2050538 |
Test and infrastructure changes to run localstorage tests in Private Browsing Mode. |
Core |
Storage: localStorage & sessionStorage |
ASSIGNED |
Unspecified |
| 2050540 |
Enable gtest on enterprise builds |
Enterprise Products |
Firefox |
NEW |
Unspecified |
| 2050541 |
[Nova] HCM on macOS does not respect figma |
Firefox |
Theme |
NEW |
macOS |
| 2050543 |
Update android nightly application-services version bump to new version 8797f3e3e4eaf5fea9852311eff8a671dcced1b5 from 2026-06-25 05:02:14 |
Firefox for Android |
General |
NEW |
Android |
| 2050544 |
[wpt-sync] Sync PR 60896 - Stop tracking html5lib-tests repository |
Core |
DOM: Core & HTML |
NEW |
All |
| 2050546 |
Remove dead CSS rule .alltabs-item[selected="true"] |
Firefox |
Theme |
NEW |
All |
| 2050547 |
positoin-try-order should consider all possible positions, including the base style, even if there is no overflow |
Core |
CSS Parsing and Computation |
NEW |
Unspecified |
| 2050548 |
New wpt failures in /css/css-color/parsing/ [color-computed-color-mix-function.html, color-valid-hsl.html, color-valid-hwb.html] |
Core |
CSS Parsing and Computation |
NEW |
All |
| 2050549 |
"Continue without VPN?" dialog modal does not correspond to Nova changes colors in light mode |
Firefox for Android |
Privacy |
NEW |
Android |
| 2050550 |
Launching URL from a MozillaBuild window shows the FELT login |
Enterprise Products |
Firefox |
NEW |
Unspecified |
| 2050552 |
[wpt-sync] Sync PR 60898 - Avoid nullptr LayoutInputNode child caused by display-locking. |
Core |
Layout |
NEW |
All |
| 2050554 |
Perma [tier 2] Linux TEST-UNEXPECTED-TIMEOUT | mozilla/tests/webdriver/bidi/moz/profiler/start/start.py | expected OK |
Testing |
web-platform-tests |
NEW |
Unspecified |
| 2050555 |
Requesting GitHub membership to the SIRT org for htun |
mozilla.org |
Github: Administration |
NEW |
Unspecified |
| 2050556 |
Telemetry event "error_encountered" fails to trigger for the "Couldn't connect to VPN" error message |
Firefox for Android |
Privacy |
NEW |
Android |
| 2050557 |
[wpt-sync] Sync PR 60899 - Fix popover top-layer nesting WPT helper and hints test expectations |
Core |
DOM: Core & HTML |
NEW |
All |
| 2050558 |
[Automated review] Reviewbot indicates lint defects that aren't marked in the diff or found locally with `mach lint` |
Developer Infrastructure |
Source Code Analysis |
NEW |
Unspecified |
| 2050559 |
Multiple Symbols build bustages with [taskcluster:error] exit status 1 |
Firefox Build System |
Task Configuration |
NEW |
Unspecified |
| 2050560 |
Enable In App Update for Android 14+ |
Firefox for Android |
General |
NEW |
Android |
| 2050561 |
Airflow task `bqetl_accounts_derived.checks__warn_accounts_backend_derived__users_services_daily__v1` failed for run `scheduled__2026-06-24T02:30:00+00:00` |
Data Platform and Tools |
General |
NEW |
Unspecified |
| 2050562 |
macOS 10.15 tests being scheduled on every push to Beta |
Firefox Build System |
Task Configuration |
ASSIGNED |
Unspecified |
| 2050563 |
Airflow task `bqetl_analytics_tables.checks__warn_fenix_derived__firefox_android_clients__v1` failed for run `scheduled__2026-06-21T02:00:00+00:00` |
Data Platform and Tools |
General |
RESOLVED |
Unspecified |
| 2050564 |
[Nova] Focus indicator overlaps the active tab underline when the opened Tab Group icon receives keyboard focus |
Firefox |
Theme |
NEW |
All |
| 2050565 |
Change Happy Eyeballs connection attempt delay to 50ms (prev. 250ms) and multiplier to 2 (prev. 1) |
Core |
Networking |
ASSIGNED |
Unspecified |
| 2050566 |
Airflow task `bqetl_org_mozilla_firefox_derived.checks__fail_fenix_derived__ltv_states__v1` failed for run `scheduled__2026-06-21T02:00:00+00:00` |
Data Platform and Tools |
General |
NEW |
Unspecified |
| 2050567 |
Session sample rate added to remote settings config but not to the metric that captures it |
Data Platform and Tools |
Glean: SDK |
NEW |
Unspecified |
| 2050568 |
Airflow task `bqetl_search_terms_daily.search_terms_derived__search_terms_daily__v1` failed for run `scheduled__2026-06-18T08:00:00+00:00` |
Data Platform and Tools |
General |
NEW |
Unspecified |
| 2050569 |
Airflow task `eam-workday-everfi-integration.eam_workday_everfi` failed for run `scheduled__2026-06-24T07:00:00+00:00` |
Data Platform and Tools |
General |
NEW |
Unspecified |
| 2050570 |
Decouple TOU display mechanism from preonboarding requirement |
Firefox |
Messaging System |
NEW |
Unspecified |
| 2050571 |
Airflow task `private_bqetl_fivetran_meta_ads.checks__fail_meta_ads_derived__daily_campaign_stats__v1` failed for run `scheduled__2026-06-24T02:00:00+00:00` |
Data Platform and Tools |
General |
NEW |
Unspecified |
| 2050573 |
Add icons for form history items |
Toolkit |
Form Autofill |
ASSIGNED |
Unspecified |
| 2050574 |
Perma Windows shipp TEST-UNEXPECTED-TIMEOUT | automation.py | application timed out after 370.0 seconds with no output |
Firefox Build System |
General |
NEW |
Unspecified |
| 2050575 |
Perma Windows Shipp OSError: No data received over socket | Max restarts exceeded |
Infrastructure & Operations |
RelOps: Windows OS |
NEW |
Unspecified |
| 2050576 |
Add raptor test for seeking performance |
Core |
Audio/Video: Playback |
NEW |
Unspecified |
| 2050577 |
Remove Focus Promo from PBM |
Firefox |
Messaging System |
NEW |
Unspecified |
| 2050578 |
Perma Windows shipp REFTEST TEST-UNEXPECTED-FAIL | None | application terminated with exit code 245 |
Infrastructure & Operations |
RelOps: Windows OS |
NEW |
Unspecified |
| 2050579 |
Find a way to decouple the server-knobs-config metric from the hard coded schema, or keep it in sync, etc. |
Data Platform and Tools |
Glean: SDK |
NEW |
Unspecified |
| 2050580 |
Perma Windows shipp OSError: No data received over socket | Automation Error: Received unexpected exception while running application |
Infrastructure & Operations |
RelOps: Windows OS |
NEW |
Unspecified |
| 2050581 |
Create a version of FloatingActionButton that accepts a custom content |
Firefox for Android |
Design System and Theming |
NEW |
Android |
| 2050582 |
Move Push XPIDL interfaces to dom/push |
Core |
DOM: Push Subscriptions |
ASSIGNED |
Unspecified |
| 2050583 |
Make Classic / Smart window switcher a part of the customizable UI, so it's possible to move and remove it |
Firefox |
Toolbars and Customization |
NEW |
Unspecified |
| 2050585 |
Use release_level from mozilla-taskgraph in gecko_taskgraph transforms |
Firefox Build System |
Task Configuration |
ASSIGNED |
Unspecified |
| 2050587 |
Report neqo primary-path RTT stats via Glean from neqo_glue |
Core |
Networking |
ASSIGNED |
All |
| 2050588 |
Firefox utilizes self-inconsistent HTTPS/SVCB records |
Core |
Networking: DNS |
UNCONFIRMED |
Unspecified |
| 2050589 |
"Sending Message" hangs on "Filter complete." |
Thunderbird |
Untriaged |
UNCONFIRMED |
Unspecified |
| 2050590 |
[UI] Update "Conflicts with an enabled Lab" to final copy |
Firefox for Android |
Experimentation and Telemetry |
NEW |
Android |
| 2050591 |
Investigate using ktfmt for android linting |
Firefox for Android |
Tooling |
ASSIGNED |
Android |
| 2050592 |
Update the position of drag spaces on macOS and Windows in horizontal tabs mode |
Firefox |
Toolbars and Customization |
NEW |
Unspecified |
| 2050593 |
BOLT firefox for linux / windows to see if there's sp3 improvement |
Core |
Performance: General |
NEW |
Unspecified |
| 2050594 |
[Settings Search follow up] Duplicated preferenceKey between provider and screen scroll logic. |
Firefox for Android |
Settings |
ASSIGNED |
Android |
| 2050595 |
(Android) Add latest Crash Report ID to the profiler |
Core |
Gecko Profiler |
NEW |
Unspecified |
| 2050596 |
[Settings Search follow up] Inconsistent Compose registration for settings |
Firefox for Android |
Settings |
NEW |
Android |
| 2050597 |
Evaluate local models' memories generation performance |
Core |
Machine Learning: On Device |
NEW |
Unspecified |
| 2050598 |
Update Content Analysis SDK to new version 2a8191af30a4d1f591e2f758e595bdeea139e93a from 2026-06-25 18:11:11 |
Firefox |
Data Loss Prevention |
NEW |
Unspecified |
| 2050599 |
[wpt-sync] Sync PR 60900 - Untentative popover light dismiss command edge case tests |
Testing |
web-platform-tests |
NEW |
All |
| 2050600 |
Fix custom checkbox radius regression in New Tab customize panel |
Toolkit |
Themes |
NEW |
Unspecified |
| 2050601 |
Settings UI test manifest sections are not in alphabetical order |
Firefox |
Settings UI |
NEW |
Unspecified |
| 2050602 |
Add OpenGL markers for frame requested time vs time rendered |
Firefox for Android |
Performance |
NEW |
Android |
| 2050603 |
crash near null in [@ ARIARoleMap] |
Core |
Disability Access APIs |
NEW |
Unspecified |
| 2050604 |
Update `start-bindings` for the monorepo world. |
Application Services |
General |
NEW |
Unspecified |
| 2050605 |
CanonicalBrowsingContext::NavigationTraverse null-derefs (parent crash) when mActiveEntry is null |
Core |
DOM: Navigation |
UNCONFIRMED |
Unspecified |
| 2050606 |
[wpt-sync] Sync PR 60901 - Rework popover-light-dismiss-command-edge-cases test |
Core |
DOM: Core & HTML |
NEW |
All |
| 2050607 |
[wpt-sync] Sync PR 60903 - WebKit export of https://bugs.webkit.org/show_bug.cgi?id=317855 |
Core |
CSS Parsing and Computation |
RESOLVED |
All |
| 2050609 |
[wpt-sync] Sync PR 60904 - [css-color] fix computed values tests |
Core |
CSS Parsing and Computation |
NEW |
All |
| 2050610 |
Mach buildtokens got out of date, update it |
Firefox |
Theme |
ASSIGNED |
Unspecified |