Bugmasters/Projects: Difference between revisions

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Revision as of 18:26, 15 August 2013

Here are some ongoing Bugmaster projects to help manage Mozilla bugs. Each one will have bug days or events, to help its contributors work together. "Triaging" a bug can mean a lot of different things depending on context. In general, it means adding more information to a filed bug.

1. Sign up for a Bugzilla account.
2. Make a Mozillians account and tag yourself "bugmasters" and "triage".
3. Join the irc channel and the bugmasters mailing list. Introduce yourself on the list!
4. Try the bug triage tutorial. 5. You might want to install the BugzillaJS add-on.

At first, you will only be able to comment on bugs. After you have added information to several bugs, let us know in the #bugmasters irc channel, and we can give you the ability to confirm and then edit bug reports.

Websites Team

This is for bugs that have been reported in Mozilla-run websites. It is probably the easiest group of bugs to confirm, so it's a good starting point!

Confirming UNCONFIRMED Websites bugs

  • Take a look at the Website UNCONFIRMED bugs.
  • Sort on Status, ID, or another field.
  • Check to see that the bug still exists.
  • You may want to check it on both the current Firefox version and the Nightly build.
    • If you can't reproduce it, ask the reporter, in a comment with a need-info flag, if they can reproduce it.
      • If they can't, or don't answer after a week or so, resolve the bug as WORKSFORME.
    • If you can reproduce it, mark it NEW and leave a comment to describe what you did. You may be able to find a person to cc on the bug if you look for who has resolved past, similar bugs.


Full Query
ID Summary Status Whiteboard
1058071 QA test the Maker Party website UNCONFIRMED
1115888 404 Errors in Volunteer introductory email for testing UNCONFIRMED
1222826 Add current known Issues to Release Notes UNCONFIRMED
1222827 Add "Fixed bugs" to SM Release Notes UNCONFIRMED
1226994 Width down bar appears on Mozilla advocacy page UNCONFIRMED
1244508 Blog should have a favicon UNCONFIRMED
1274798 Seamonkey integration in Gnome3 UNCONFIRMED
1302026 https://www.changecopyright.org petition form not accepting .email gTLD UNCONFIRMED
1303563 www.changecopyright.org doesn't work with LibreJS activated (FF shows "empty" page) UNCONFIRMED
1365172 Create web page as target for hyperlink behind Legacy hint in Add-ons Manager UNCONFIRMED [easyconfirm]
1390029 Unable to Register and login to OpenBadges Backpack UNCONFIRMED
1486316 500 Server Error while signing up at https://id.webmaker.org/create-user UNCONFIRMED
1625643 Update information concerning SeaMonkey e.V. UNCONFIRMED
1706020 Website wrongly claims that source tarball doesn't unpack into its own directory UNCONFIRMED
1721868 Dead Links on "Forms" page UNCONFIRMED [easyconfirm]
1809466 Installation documentation for Linux is inaccurate UNCONFIRMED
1849801 Bad Contact Link UNCONFIRMED
1850311 Page not getting loaded UNCONFIRMED
1916746 whatcanidoformozilla.org is not owned by mozilla and is a scam website UNCONFIRMED
1924372 500 Server Error while signing up at https://id.webmaker.org/create-user UNCONFIRMED
1997533 Dead Link on "SeaMonkey Useful Sites" page UNCONFIRMED

21 Total; 21 Open (100%); 0 Resolved (0%); 0 Verified (0%);



Middle-aged bugs

This is a project to work on Firefox bugs reported in a range time of -6months(-180d) to -1months(-30d).

These are bugs that haven't been changed recently, but were reported within the last 6 months. Triaging them may find good, relevant bugs. It can also help clear out invalid bugs!

Middle Aged Untriaged Firefox Bugs, UNCONFIRMED.


Full Query
ID Summary Status Whiteboard
410737 Double download for saving files UNCONFIRMED DUPEME
411669 Selecting multiple items breaks when accessibility setting "sticky keys" is activated UNCONFIRMED
433730 ajust interface when OS is configured with big font (more than 16pt) UNCONFIRMED [testday-20120615][wontfix for the pref window?]
494882 When working with multiple FireFox profiles, no indication to user as to which windows are with which profile UNCONFIRMED
526219 Add a folder search field on "Add/Edit bookmark" panel UNCONFIRMED
540419 Switching between tabs makes youtube video go back and forth UNCONFIRMED [platform-rel-Youtube]
568418 Autoscroll option not saved when accessing same profile from different OS's UNCONFIRMED
577447 Favicon from last visited page remains active for new visited page with no favicon associated in windows taskbar UNCONFIRMED
626010 Add a "bookmark these tabs" option in sessionrestore error page UNCONFIRMED [WONTFIX?][addon idea]
670336 cmd+/ shortcut for add on toolbar on germany QWERTZ keyboard layout has double action UNCONFIRMED [closeme 2026-01-05]
673939 Scrolling via spacebar sometimes doesn't happen until next mouse movement event UNCONFIRMED
677435 hardware acceleration on nvidia Geforce 460M w/ driver 267.54 very laggy UNCONFIRMED
683136 Changing name in Save as dialog switches automatically filter UNCONFIRMED
703074 Start using another profile than default, for specific file type/protocol UNCONFIRMED
704796 menubar item selected after POST-Request UNCONFIRMED [closeme 2026-01-05]
706792 Firefox "remembers" scrollbar position of non-"Things that scroll natively" elements after page refresh UNCONFIRMED
720049 allow user to copy text of menus UNCONFIRMED
788428 ARIA alertdialog role does not fire system alert event when its visibility changes from hidden to visible UNCONFIRMED
941279 Redirect blocking is useless without redirect info UNCONFIRMED
945039 Blocks of text turns black in Windows 8.1 on any site and must scroll to recover text. UNCONFIRMED
949322 Download Manager Tweak add-on empty even when there are files being downloaded. UNCONFIRMED
1141487 Permit a way to add separators between tabs so that unpinned tabs can be grouped together UNCONFIRMED
1239323 ctrl+w sometimes closes browser UNCONFIRMED
1263419 I am able to access the Office365 student email of the last account that was signed in without entering login credentials. UNCONFIRMED
1268058 firefox 45.0 on Linux Mint, in saved logins, right clicking & selecting to copy username, copies the passwords & vice versa UNCONFIRMED
1335963 Accel keys in Page Info Media panel are both "A" for "Save As" and "Select All" UNCONFIRMED
1406088 browser.newtabpage.rows (manually config reset at each restart) UNCONFIRMED
1419649 When I close one of several tabs, after the tab closes, the wrong existing tab is opened as the current tab UNCONFIRMED
1424761 When a youtube.com tab is restored using Ctrl+Shift+T video should start were it was instead of from the beginning UNCONFIRMED
1435184 Extend "Density" Customize option to also adjust size of sidebar header UNCONFIRMED
1453229 headless option to save URL page source UNCONFIRMED
1471311 Add a way to open external links in a private browsing window UNCONFIRMED
1477504 Reword "Open Link in New Private Window" to "Open Link in Private Window" and open the link in the existing private window, if there is one UNCONFIRMED
1477587 Add a keyboard shortcut for deleting cookies and site data UNCONFIRMED
1497038 Pinned top sites on home page should be synced as bookmarks UNCONFIRMED
1504591 Resize full screen get black skin border bug. UNCONFIRMED
1572902 Disqus escapes the Private Browsing mode UNCONFIRMED
1592660 After moving tabs to new window, ctrl-w closes all tabs in that window. UNCONFIRMED
1593883 Allow content to handle Accel+N and Accel+T in Full Screen mode UNCONFIRMED
1602182 Don't sync locked preferences UNCONFIRMED
1610523 Cannot easily reattempt navigating to a URL that returned status 204 No Content using reload button (and URL is not remembered in session restore) UNCONFIRMED
1615841 Multi Tab session saves w/ Mozilla Account. UNCONFIRMED
1617658 When searching about:logins, select and show the search results' first login. UNCONFIRMED
1648714 Basic Authentication Info shown in tab title UNCONFIRMED
1670270 Improve fullpage screenshots when custom or multiple scrollbars exist UNCONFIRMED
1674252 Don't hide pref browser.pagethumbnails.capturing_disabled UNCONFIRMED
1674663 Problem in take screenshot when selecting a custom region UNCONFIRMED
1676604 Primary password dialog blocks all(?) network traffic and page loads UNCONFIRMED
1683221 Tab-bar Scrolling too fast UNCONFIRMED
1685013 mute whole firefox audio in all tabs UNCONFIRMED
1687031 ui changing addons look buggy if a tab is inactive for long time UNCONFIRMED
1687173 browser.tabs.unloadOnLowMemory = true still gets Firefox killed by earlyoom UNCONFIRMED
1688450 Put telemetry options in the First Run screen in a more clear way UNCONFIRMED
1716188 Setting browser.urlbar.maxRichResults to 0 introduces a delay when searching UNCONFIRMED qa-not-actionable
1786208 Dragging a URL link to the desktop does not display website icon UNCONFIRMED
1809074 [Linux] .url file repeatedly opens new tabs when opened with Firefox UNCONFIRMED
1827232 [meta] Ascertain whether a new GUI toolkit is needed for Firefox due to GTK4 abstraction and potential GTK5+ lack of X support. UNCONFIRMED
1848892 Does not restore Firefox window to correct virtual desktop anymore UNCONFIRMED
1869924 Translation does not work, repeats single words in the target language UNCONFIRMED
1879785 Firefox should not sync autoscroll between systems UNCONFIRMED [fxsync-]
1897579 Serious usability issue: button inside another button UNCONFIRMED
1904232 All tabs lost when using private browsing window and close main window UNCONFIRMED
1909597 Privacy & Security - Cookies and Site Data - Exceptions could remember sort by column UNCONFIRMED
1910239 Separately group actual and aliased fonts. UNCONFIRMED
1915803 [Wayland] Touchpad pinch gestures sometimes don't trigger zooming in PDF documents UNCONFIRMED
1929141 "Thought-provoking stories" periodically reappears in my Home page UNCONFIRMED [qa-not-actionable]
1933839 [HiRes scroll] Tab-bar scrolling multiple tabs per click UNCONFIRMED
1945395 Opening an .opml file enters infinite loop of opening tabs UNCONFIRMED [qa-not-actionable]
1949109 Shortcuts on the start page are not displayed correctly UNCONFIRMED
1949916 When dragging a tab to second monitor, it does not pop up in front. UNCONFIRMED
1956157 Unable to configure Firefox on Mac with provisioning profile UNCONFIRMED
1960039 Firefox Home shortcuts' favicons don't update UNCONFIRMED
1962134 Context menu "Translate selection to" option shows wrong language UNCONFIRMED
1964056 Changing system language from en-US to en-GB causes language settings to break UNCONFIRMED
1966999 Firefox blocks me from accessing most site I use (Spotify, Google Docs, Netflix, etc) UNCONFIRMED
1970993 Menu key behaviour differs from right-click for spell checking UNCONFIRMED
1971691 display new version available is broken UNCONFIRMED
1971889 SessionStore doesn't seem to initialize properly on first launch when MOZ_DATA_REPORTING is false/not defined UNCONFIRMED
1972506 Misalignment of the select selector drop-down menu bar in Firefox browser in RISCV architecture UNCONFIRMED
1972732 Setting → Contrast Control — assigning custom colours to links changes colours throughout UNCONFIRMED
1973462 Private browsing data in parent process not released quickly under some circumstances UNCONFIRMED
1974027 Installing Firefox sometimes does not have a Chinese translation language pack UNCONFIRMED
1974461 Moving tabs (along tab horizontal space for tabs) is not smooth anymore UNCONFIRMED
1976475 The highlight pdf modal opened and was visible in every tab but I was unable to close or dismiss it. UNCONFIRMED
1976660 Moving a tab to a new window on Linux Mint 22 results in the window disappearing completely and is never accessible but still active. UNCONFIRMED
1978084 Firefox keep loosing my data - deleted pins and open tabs UNCONFIRMED [fidefe-session-restore]
1978691 Help menu is longer than necessary UNCONFIRMED
1979767 When using Extended Pins in Firefox, several pinned site icons fail to load on startup, consistently appearing as blank tiles instead of showing their respective icons. UNCONFIRMED
1979907 Firefox Nightly logs out of Firefox account on every restart UNCONFIRMED
1980835 New-in-nightly tab title/site/metadata popup whips outside the window when tab list is scrolled UNCONFIRMED [fidefe-tabgrps]
1980922 Translate language recognition error on pdf viewer UNCONFIRMED
1981076 Pinned tabs disappear or are not restored after restart on Windows 11 with Firefox 141. UNCONFIRMED
1981977 pdf viewer can not sav an crashes UNCONFIRMED
1982206 Bookmark entry show up in address bar as a bookmark even after deleted. UNCONFIRMED [sng]
1982558 Pop-ups are blocked even though it is on the list of allowed websites with pop-ups UNCONFIRMED
1984807 Animated new tab wallpaper results in memory leak when Firefox is minimized UNCONFIRMED
1985447 Lock tab size when collapsing a group UNCONFIRMED
1986160 "Never forget a password again" card in about:protections shows no Firefox logo UNCONFIRMED
1986699 Tab closes when adding it to an existing group. UNCONFIRMED [fidefe-tabgrps]
1986982 PDF Viewer: Tab focus skips toolbar elements, moving directly from Close button to PDF content (WCAG 2.4.3 Focus Order) UNCONFIRMED
1987261 Leftmost tab is automatically pinned after ~1 hour of inactivity UNCONFIRMED
1987534 open pdf automatically after downloaded UNCONFIRMED
1988416 user_pref('dom.allow_scripts_to_close_windows', true) doesn't work to close headless instance from with script UNCONFIRMED
1988443 "Restore tabs" page indicates Alt+R access key, doesn't work UNCONFIRMED
1989063 account toolbar icon shows duplicate account with duplicate open tabs UNCONFIRMED
1989717 "Restore Previous Session" causes Firefox to hang UNCONFIRMED
1989976 Tab group doorhanger not attached to anything (with vertical tabs on the right) UNCONFIRMED
1990306 Botón de cerrar pestaña no funciona cuando solo queda una pestaña abierta UNCONFIRMED
1991596 [Linux] Firefox keeps opening new tabs forever (when opening metalink file with Firefox) UNCONFIRMED
1992175 There is no sessionstore file being saved and thus my latest tabs and tab groups are lost UNCONFIRMED
1992287 Version 143.0.3 (64-bit) -- Restore Previous Tabs Not Working. UNCONFIRMED
1992648 Private mode is retaining history even after closing it and opening a new window. UNCONFIRMED
1993845 Firefox doesn't show image preview if user click any where out of Firefox window UNCONFIRMED
1994089 When the vertical tab bar is narrow, pinned tabs under a tab being dragged become invisible UNCONFIRMED
1994467 Context menu fails to appear when right-clicking on certain web elements. UNCONFIRMED
1994611 "The download cannot be saved" error when right-clicking images or links UNCONFIRMED
1995416 Firefox is freezing due to website notifications (w11, all forks) UNCONFIRMED
1995961 The open & save dialog boxes don't honor dark mode with macOS UNCONFIRMED
1996138 FF 144.0 Snap for Ubuntu does not restore previous session when opening. UNCONFIRMED
1996353 Tabs overlap and the top bar is unresponsive after switching/moving tabs. UNCONFIRMED
1996384 opening a private window first restores all last-used tabs/pages in a regular window UNCONFIRMED
1996392 Saved tab group looses tabs except first one. UNCONFIRMED
1996413 Selecting text on a long webpage and then moving the mouse down causes the scroll to jump upwards UNCONFIRMED
1996516 Incorrect icons on tiles in Start Menu for PWAs UNCONFIRMED
1996709 Open browser tabs keep freeing up or crashing. UNCONFIRMED
1997326 Quick tab switch using ctrl-tab should ignore mouse cursor position until it moves UNCONFIRMED
1997551 Inconsistent scrolling speed in vertical tabs sidebar UNCONFIRMED
1998510 SearchEngines Remove policy not working for Perplexity UNCONFIRMED
1999047 the --private-window command line parameter does not work when an empty string is supplied UNCONFIRMED
1999475 URL bar fails to navigate when pasted string contains BiDi/zero-width control characters (e.g., U+2066/U+2069) — treated as search or “Hmm. That address doesn’t look right.” UNCONFIRMED [sng]
1999499 AI Tab grouping does not suggest group tabs with similar content from the same website UNCONFIRMED [genai]
1999569 FF "manage accounts" menu and any others in top right toolbar overlap and block even system UX in MacOS UNCONFIRMED
1999612 add option "Open new tabs next to your active tab" UNCONFIRMED
1999688 Open previous windows and tabs Not working stopped working UNCONFIRMED
1999742 Right-click menu not displaying all options UNCONFIRMED
1999866 About downloading offline translation packs UNCONFIRMED
2001347 unable to delete tags that Fedora Linux version of Firefox added UNCONFIRMED [sng]
2001422 Starting a video in the last tab hides part of the tab UNCONFIRMED
2001541 inconsistent windows Menu display in Firefox 115.30.0esr UNCONFIRMED
2001766 Why does Firefox clear ALL COOKIES, ADDONS, AND HISTORY when I sign out of sync? UNCONFIRMED
2005162 Firefox 146.0 update renamed desktop launcher from firefox.exe to rer.exe UNCONFIRMED
2005274 (Windows high contrast mode) Firefox is using the system accent color rather than contrast colors. UNCONFIRMED
2005276 Firefox Unusable UNCONFIRMED
2005352 Dark mode breaks some websites UNCONFIRMED
2005815 My bookmark sidebar turned dark brown after 146 update UNCONFIRMED
2006065 CTRL+T does not open a new tab in recent update UNCONFIRMED
2006118 Right click context menus has multiple items underlined as "S" UNCONFIRMED

147 Total; 147 Open (100%); 0 Resolved (0%); 0 Verified (0%);



  • Verify the bug
    • verify if the bug is still valid
    • read the description and try to reproduce it on the newest Firefox version
    • add need-info flag for reporter
      • eg. can you still reproduce the bug?
      • eg. could you provide more info about this?
    • ask for whatever additional details you need to understand
  • Replicate the bug
    • if the bug is an enhancement request set the severity flag as enhancement
    • if you cannot reproduce the bug
      • if the reporter doesn't answer 1 week later a requested need-info flag and the bug is INCOMPLETE tag the bug as closeme yyyyMMdd (perhaps 2 weeks later?) and wait for that period before you close it.
      • if the bug has all the info you need to close it, close as WORKSFORME or INVALID
    • if you cannot reproduce the bug and you are on a different OS add a need-replication tag
    • if you cannot reproduce the bug, help the reporter in resolving the problem if he/she answers.
    • if you can replicate the bug in the newer Firefox Versions
      • comment the bug
      • mark it as NEW

Remarks

  • If a bug reporter hasn't answered to qa requested added in the first week after he/she reported the bug, they are more likely to be not interested anymore.
  • Some of these bugs have more than one comment, maybe those are more likely to be significant and already started to be triaged.

Firefox UNCONFIRMED Team

Latest Untriaged Firefox bugs, UNCONFIRMED, from the last 60 days.

You may want to edit your search, limiting it to only the operating systems you can test.


Full Query
ID Summary Status Op sys Whiteboard
2008529 Automation test has significant performance drop in Firefox 140 and 144 UNCONFIRMED Unspecified
2010307 Wordpress ADMIN page issue UNCONFIRMED Unspecified
2010480 menu bar not responding UNCONFIRMED Unspecified
2010582 Slowing down then crashing UNCONFIRMED Unspecified
2010906 With the new update,my firefox browser is completely wiped each time I close the browser. I have to go back in with my profiles to get back my bookmarks and extensions and history. I am logged out of everything as well. UNCONFIRMED Unspecified
2011320 Selected text in Google Docs is replaced with a single selected character instead of printing new text over the selected text UNCONFIRMED Unspecified
2011370 Negotiation auth with kerberos broken UNCONFIRMED Unspecified
2011824 NavigationPrecommitController#redirect does not respect the `history` option UNCONFIRMED Unspecified
2011899 startup crash when selected option "Delete cookies and site data when Firefox is closed" UNCONFIRMED Unspecified
2012011 WARNING: Process Key Event failed: Timeout was reached.: 'glib warning', file /build/firefox/parts/firefox/build/toolkit/xre/nsSigHandlers.cpp:201 UNCONFIRMED Unspecified
2012192 Latest version of FireFox crashes OSX on Mac Pro 2013 UNCONFIRMED Unspecified
2012670 macOS: YouTube video element darkens on thumbnail hover in Firefox (video surface only; page UI unchanged) UNCONFIRMED Unspecified
2012902 Windows open on main display rather than focused display on Mac UNCONFIRMED Unspecified
2013537 Firefox search suggests address not in history nor bookmarks when configured to suggest only from history and bookmarks UNCONFIRMED Unspecified

14 Total; 14 Open (100%); 0 Resolved (0%); 0 Verified (0%);


  • Understand the bug
    • Read the description and comments in the bug to understand the problem.
    • If you don't understand the bug
      • Comment, add need-info flag for reporter.
      • Ask for whatever additional details you need to understand.
  • Check if it's a duplicate
    • Search on similar terms in Bugzilla to see if it is a duplicate of another bug.
    • How to search for duplicate bugs: https://developer.mozilla.org/en-US/docs/Screening_duplicate_bugs
    • (How to tell if it's a likely dup)
    • Tag it dupeme? if you're not sure, and move on.
    • This search may reveal what product and component the bug should go into.
  • Check if it's a support question
    • If it's a support question (often malware, FF is slow reports)
    • Nicely let the reporter know where to look for the answer or for help.
    • Ask the reporter with a need-info flag to resolve the bug as invalid, or resolve it yourself.
  • Test case, if needed
    • If this bug needs a test case and you don't have one:
    • Ask the reporter for one. That might mean simplest or reduced test case code, or a URL.
    • Or you could generate a test case and attach it.
  • Replicate the bug
    • Can you replicate the bug? In the same OS?
    • If you can replicated it, and no one else has, leave a comment.
    • If you can't replicate it, and are in the same OS
    • Ask the reporter with need-info if they still see the issue
      • (Especially if it's an older bug and we're on a new version of FF now)
      • If they don't you can resolve it WORKSFORME or ask reporter to do so
      • If they still see the bug, tag it needs-replication
    • If you can't replicated it and are in a different OS
      • Comment
      • tag it needs-replication
  • Safe mode, plugins off, New profile
    • In some cases (but not all) you may want to ask the bug reporter if they still see the bug in safe mode (with all plugins disabled) and with a new profile.
    • (((Explain when and when perhaps not to do this)))
  • IF you can replicate the bug, and it's likely to be a Firefox bug (not a bug with a plugin, etc)
    • Comment that you replicated the bug
    • Mark it NEW
    • You can keep adding info to the bug if you think it will be useful.

Incoming Team

Bugs Filed Today. All bugs filed in the last 24 hours. Usually this is around 400 bugs, but the number fluctuates over the course of the day.


Full Query
ID Summary Product Component Status Op sys
2013609 Typo 'Uncatergorized' in Policy Categories Firefox Enterprise Console NEW macOS
2013610 Perma [tier 2] browser/components/aboutlogins/tests/browser/browser_breachAlertLinkTelemetry.js | [JavaScript Error: "uncaught exception: undefined"] - false == true Firefox about:logins NEW Unspecified
2013611 Display corresponding blue notification dot in the menu when there's a dot on the location bar shield icon Firefox for Android Toolbar NEW Android
2013613 Update Remote Improvements "Learn more" link to use firefox platform URL Firefox for Android Experimentation and Telemetry NEW Android
2013615 [wpt-sync] Sync PR 57446 - Make WPT tests require a gesture to acquire a pointerlock Core DOM: Events NEW All
2013618 [meta] Support multiple widgets Firefox New Tab Page NEW Unspecified
2013620 [wpt-sync] Sync PR 57447 - Reland "Add WPTs for WebXR plane-detection feature" Core WebVR NEW All
2013621 --toolbar-bgcolor on body breaking Smart Window UI (content area is now grey instead of transparent revealing the purple gradient window background) Firefox Theme RESOLVED All
2013623 [wpt-sync] Sync PR 57448 - Progress.max should be limited to positive integers. Core DOM: Core & HTML NEW All
2013625 Enable Nova onboarding by default in Beta Firefox for Android Onboarding NEW Android
2013626 Intermittent TV browser/components/asrouter/tests/browser/browser_asrouter_bug1761522.js | test_asrouter - asrouter.ftl was downloaded - false == true Firefox Messaging System NEW Unspecified
2013627 PageData actor is not available during page description collection Core Machine Learning: Frontend NEW Unspecified
2013628 [wpt-sync] Sync PR 57449 - [gap-decorations] Rename rule-break value 'spanning-item' to 'normal' Core CSS Parsing and Computation NEW All
2013629 [wpt-sync] Sync PR 57450 - Remove tentative tag from scroll-snap WPTs Core Layout: Scrolling and Overflow NEW All
2013630 Update invalid file name error to be an in-line styled error Firefox for Android Downloads NEW Android
2013631 [wpt-sync] Sync PR 57451 - [ai LanguageModel] Update input usage assertion in language model test Testing web-platform-tests NEW All
2013632 Cmd + Option + Up/Down Arrow shortcuts cannot be unmapped and interfere with Monaco editor Firefox Untriaged UNCONFIRMED Unspecified
2013634 Firefox fails WPT /css/css-view-transitions/capture-with-offscreen-child-translated.html Core CSS Transitions and Animations NEW Unspecified
2013635 turn off mem stats in nrappkit/nICEr Core WebRTC RESOLVED Unspecified
2013636 [wpt-sync] Sync PR 57452 - Honor margins on new-FC roots after forced breaks. Core Layout NEW All
2013637 [wpt-sync] Sync PR 57453 - [Masonry] Update grid-lanes syntax Core Layout: Grid NEW All
2013638 [wpt-sync] Sync PR 57454 - Add test for table on named page. Core Layout NEW All
2013639 Suggest UI standardization fixes and cleanup Firefox Address Bar ASSIGNED Unspecified
2013640 Keep Windows GPU sandbox at USER_INTERACTIVE, if there is not enough room for font rules. Core Security: Process Sandboxing ASSIGNED Windows
2013641 New wpt failures in /pointerlock/pointerlock-requires-gesture.html Core DOM: Events NEW All
2013642 Adjust Kit Graphic on Smart Window Sign-in Page Core Machine Learning: General UNCONFIRMED Unspecified
2013643 add Lando analysis dataset in BigQuery for workflow analytics and dashboards Conduit Lando NEW Unspecified
2013644 Rename URLPattern glue urlp_* prefix Core Networking NEW Unspecified
2013645 Update requirements files in comm/taskcluster/docker Thunderbird Build Config NEW Unspecified
2013646 New wpt failures in /css/css-scroll-snap/input/snap-area-overflow-boundary-viewport-covering.html Core Layout: Scrolling and Overflow NEW All
2013647 Scroll in calendar when in months view is much too sensitive, disorienting Thunderbird Untriaged UNCONFIRMED Unspecified
2013648 Migrate site exclusions dialog to redesigned settings once ready for implementation Firefox IP Protection NEW Unspecified
2013649 [wpt-sync] Sync PR 57456 - [gap-decorations] Remove rule-break: auto, make normal the default Core CSS Parsing and Computation NEW All
2013650 New wpt failures in /css/css-grid/grid-lanes/tentative/parsing/ [grid-lanes-shorthand-computed.html, grid-lanes-shorthand-serialization.html, grid-lanes-shorthand-valid.html] Core Layout: Grid NEW All
2013651 New wpt failures in /css/css-gaps/ [parsing/gap-decorations-bidirectional-shorthands.html, parsing/rule-break-computed.html, parsing/rule-break-shorthand.html, and 17 others] Core CSS Parsing and Computation NEW All
2013652 Device posture does not report some interfaces, wg0, wwan0 missing Firefox Enterprise General RESOLVED Linux
2013653 fade out fade-out pip picture video player delay Toolkit Picture-in-Picture NEW Unspecified
2013654 Intermittent browser/components/extensions/test/browser/browser_ext_webRequest_error_after_stopped_or_closed.js | single tracking bug WebExtensions Untriaged NEW Unspecified
2013655 Add SimpleURLPattern component for faster compression dictionary use Core Networking NEW Unspecified
2013656 Standardise axis naming and calculation Core SVG ASSIGNED Unspecified
2013657 Smart window updates starter prompts when the adjacent tab changes pages Core Machine Learning: Frontend NEW Unspecified
2013658 API to register a tracing event sink for multiple events Application Services General NEW Unspecified
2013659 Authentification decisions are not questioned when e.g. a wrong PKI-Card is presented NSS Libraries UNCONFIRMED Unspecified
2013661 Intermittent browser/base/content/test/contextMenu/browser_contextmenu_chrome_images.js | single tracking bug Firefox Menus NEW Unspecified
2013662 Update mac worker config for mozregresion Testing mozregression NEW Unspecified
2013663 New wpt failures in /css/css-break/ [forced-break-before-new-fc-001.html, forced-break-before-new-fc-002.html] Core Layout NEW All
2013664 ICS event importing - Tab is frozen Thunderbird Untriaged UNCONFIRMED Unspecified
2013665 Add automated test for adding DoH exceptions from network error page (with ports) Firefox Security NEW All
2013666 Perma [tier 2] /scroll-animations/css/scroll-timeline-shorthand.html | Shorthand contraction of scroll-timeline-name:--a, --b:undefined;scroll-timeline-axis:inline, inline, inline:undefined - expected FAIL Core Layout NEW Unspecified
2013667 Port bug 2010833: Change the default docker image for mozharness-based tasks to a debian 13-based one Thunderbird Build Config RESOLVED Unspecified
2013668 Perma [tier 2] /navigation-api/navigate-event/replaceState-inside-back-handler-infinite.optional.html | infinite replaceState inside a navigate event for navigation.back() - Test timed out Core DOM: Navigation NEW Unspecified
2013669 Send "action=pairing" option to FxA during pair flow for metrics Application Services Fxa Client NEW Unspecified
2013670 High frequency browser/base/content/test/performance/browser_startup_flicker.js | unexpected changed rect: ({x1:0, x2:1279, y1:0, y2:43, w:1280, h:44}), window width: 1280 Toolkit Performance Monitoring NEW Unspecified
2013671 Dragging bookmarks can sometimes not work and leave the separator stuck Firefox Tabbed Browser UNCONFIRMED Unspecified
2013672 Intermittent toolkit/components/pageextractor/tests/browser/browser_dom_extractor.js | single tracking bug Core Machine Learning: On Device NEW Unspecified
2013673 Intermittent browser/components/urlbar/tests/quicksuggest/unit/test_quicksuggest_remoteSettingsFilter.js | single tracking bug Firefox Address Bar NEW Unspecified
2013674 memory leak Firefox Performance UNCONFIRMED Linux
2013675 [wpt-sync] Sync PR 57457 - [focusgroup] Remove duplicated utilities from focusgroup-utils.js Core DOM: Core & HTML NEW All
2013676 [wpt-sync] Sync PR 57458 - Bump types-psutil from 6.1.0.20241221 to 7.2.2.20260130 in /tools Testing web-platform-tests NEW All
2013677 Firefox sometimes crashes when .focus() is called by Taskbar Tabs on Wayland Core Widget: Gtk NEW Unspecified
2013678 Typo in custom_properties.rs Core Layout NEW Unspecified
2013679 Update android nightly application-services version bump to new version 51a70e8004705ea13f0966ec63088898d2ddcfec from 2026-01-30 21:17:42 Firefox for Android General ASSIGNED Unspecified
2013680 [wpt-sync] Sync PR 57461 - WebKit export of https://bugs.webkit.org/show_bug.cgi?id=306581 Core DOM: Service Workers NEW All
2013681 Put support link at same level as buttons in confirmation dialog Firefox Settings UI NEW Unspecified
2013682 Broken subpixel AA and picture caching on linux, due to border-radius on the <body> element to support rounded corners. Core Graphics: WebRender NEW Unspecified
2013683 [wpt-sync] Sync PR 57463 - Update connect-src-webtransport-allowed.sub.https.html Testing web-platform-tests NEW All
2013684 [wpt-sync] Sync PR 57464 - [Prompt API WPTs] Fix Language Model Multimodal Tests Testing web-platform-tests NEW All
2013685 significant LCP regressions in ubuntu 24.04 Testing Performance NEW Unspecified
2013686 verify that our current method of spot termination handling is as good as possible Release Engineering General NEW Unspecified
2013687 Build clip chains a bit more lazily. Core Graphics: WebRender ASSIGNED Unspecified
2013688 On GNOME (Wayland) desktop, the Ctrl + Tab panel has improper width Core Widget: Gtk NEW Unspecified
2013689 open link option on right click not available Firefox Menus NEW Unspecified
2013690 [wpt-sync] Sync PR 57436 - [CSS Modules] Support JSON and CSS in link type=modulepreload Testing web-platform-tests NEW All
2013691 [wpt-sync] Sync PR 56617 - Add tests for modulepreload links with JSON and CSS, remove json with non-module preload Testing web-platform-tests NEW All
2013692 Incorrect popup state after closing open native menus when another native menu wants to open Core Widget: Cocoa NEW Unspecified
2013693 [wpt-sync] Sync PR 57466 - script: Do not consider a node an ancestor of itself in `Node::is_ancestor_of` Core DOM: Core & HTML NEW All
2013694 nightly hangs and displays a black page a lot as of recently Firefox Untriaged UNCONFIRMED Unspecified
2013695 Ignore fake/mock definitions in unit tests Webtools Searchfox NEW Unspecified
2013696 Bad Rendering of Uploaded Images Firefox Untriaged UNCONFIRMED Unspecified
2013697 option:hover style is ignored Core CSS Parsing and Computation UNCONFIRMED Unspecified
2013698 TalkBack Screen Reader Does Not Localize Web Element Roles (e.g., "button", "link") into Simplified Chinese in Firefox for Android Firefox for Android General UNCONFIRMED Unspecified
2013699 Portal detected but no exists Core Networking UNCONFIRMED Unspecified
2013700 PiP video on disneyplus.com lacks certain controls Toolkit Picture-in-Picture UNCONFIRMED Unspecified
2013701 Autofill doesn't fill in username for aa.com and is reluctant to fill in password Toolkit Form Autofill NEW All
2013703 Typing "ti" into search bar now always shows tiktok.com, even though I never visit that site Firefox Untriaged UNCONFIRMED Unspecified
2013704 `KeyError: 'manifest_relpath'` while running `mach test --auto` Firefox Build System Mach Core UNCONFIRMED Unspecified
2013705 Frequent browser/extensions/webcompat/tests/marionette/test_persistent_contentscripts.py ContentScriptsAreCorrectlyPersistedTest.testContentScriptsAreCorrectlyPersisted | AssertionError: 1 != 2 : only expected content scripts are registered Web Compatibility Tooling & Investigations NEW Unspecified
2013706 An action label and an error message are mixed in a single Fluent pluralized string. Firefox Tabbed Browser: Split View UNCONFIRMED Unspecified
2013708 Parallelize tests repo C++ build Webtools Searchfox NEW Unspecified
2013709 Update Expat to version 2.7.4 Core XML NEW Unspecified
2013710 Incorrect sender display Thunderbird Add-Ons: General UNCONFIRMED Unspecified
2013711 Bookmarks or bookmark folders with umlauts: Alphabetical sorting Firefox for Android Bookmarks UNCONFIRMED Android
2013712 [meta] Firefox Enterprise Customer Pilot 1 delivery - Client Firefox Enterprise Client NEW All

93 Total; 89 Open (95.7%); 4 Resolved (4.3%); 0 Verified (0%);


To work in this area, go through the bugs with status UNCONFIRMED.

    • Today's UNCO Bugs
    • If you can reproduce a bug, and are fairly sure it is a Mozilla bug, comment on the bug to explain how you reproduced the bug.
    • Include screenshots or a reduced test case, if they seem useful.
    • If you have canconfirm permissions, mark the bug NEW.
    • Assign the bug into a product and component, or tag it needs-component
    • Tag the bug with other triage tasks that may be needed.
    • If the bug is really a support question, please thank the bug reporter in a comment. Explain where the bug reporter should look for an answer.
      • Mark the bug RESOLVED INVALID if you have canconfirm permissions.

Nightly build bug team

Hello! If you'd like to help out with bug management for Nightly builds, please email bugmaster@mozilla.com!

Every night the latest pre-release version of Firefox is made available. If you want to test against the cutting edge of Firefox, download the Nightly build and use it as your main browser. If you find any bugs, file them. (How to File a Bug).

You may also be interested in looking at the bugs others have filed, and see if you can replicate them or add any useful information. Triaging the Nightly bugs will help us catch important bugs as quickly as possible! 

1. Download the Nightly build and run it.

2. Make a bugzilla account.

3. Skim over the current bugs against the Nightly release (currently, 24 build).

4. File bugs when you find them.

5. Triage through the list of Nightly bugs. So helpful!

--- replicate the bug, comment, and confirm it

--- needinfo the bug reporter to get more details

--- regression testing with the mozregression tool


For example, the current released version of Firefox is 22.0. The Beta version is 23, and the Aurora version is 24. That means the Nightly build is 25. The bugs filed against that release are listed as being in the 25 branch of Firefox.

  • To search later branches, go to the Advanced Search form in Bugzilla, select Firefox for the product, then under the Detailed Bug Information dropdown, scroll through the Versions listed and select the latest one. That search will bring up all bugs reported for the latest nightly build.

Aurora bug triage team

Hello! If you'd like to help out with bug management for Aurora builds, please email bugmaster@mozilla.com!

Every night the latest pre-release version of Firefox is made available as the Nightly release. After 6 weeks of further development that branch becomes the Aurora release, and is more stable than the nightly. If you want to test against the Aurora release of Firefox, download the Aurora build and use it as your main browser. If you find any bugs, file them. (How to File a Bug).

You may also be interested in looking at the bugs others have filed, and see if you can replicate them or add any useful information. Triaging the Aurora bugs will help us catch important bugs quickly, while you still have a relatively stable development browser to use! 

1. Download the Aurora build and run it.

2. Make a bugzilla account.

3. Skim over the current bugs against the Aurora release (currently, the 23 branch).

4. File bugs when you find them...

5. Triage through the list of untriaged Aurora bugs. So helpful!

--- replicate, comment, confirm

--- needinfo the bug reporter to get more details

--- regression testing


Mentored Bugs Team

Many developers tag bugs as good first bugs, or as mentored bugs. Some are tagged with both.

We are having a triage day in May 2013 to rummage through the mentored bugs!


Currently, mentored bugs feed the Bugs Ahoy site. Good first bugs feed into openhatch.org. (Out of date. Wrote to Asheesh, who is looking into it.)

Help maintain this list for contributors who are new to Mozilla development!

  • Is the bug old and stale?
    • Should it be closed?
    • needinfo on the reporter, or mentor, or assignee?
  • Is the bug current, and assigned, but the assignee hasn't touched it for a couple of weeks?
    • needinfo the assignee to ask nicely if they're still working on it or intending to
    • If the reporter hasn't touched the bug in a month, unassign it
  • Triage through bugs that have the whiteboard flag [good first bug] but NOT the mentor= flag.
  • Triaging strategies:
    • Sort the list by component.
      • Pick a particular product and component. Talk with the bugzilla owner of that component or the module owner.
    • Sort the list by ID. It's good to check up on very old bugs with a low ID number.
    • Sort the list by last changed. For bugs that haven't been touched in weeks or months, look if they're assigned and ask the assignee, by commenting with the needinfo flag, if they're still working on it.


  • Triage through the bugs that have "mentor=" as a whiteboard flag.
  • Triage through bugs that have "good first bug" AND "mentor" in the whiteboard flags.
    • should they have both?

TODO:

  • write up how to check on good first bugs
  • write up how to choose and tag good first bugs/mentored bugs, and link

Accessibility Triage Team

This is for bug wranglers who would like to help accessibility developers and end users.

  • Join #bugmasters and #accessibility
  • Meta bug cleanup: this is a very easy task for beginners!
    • Look at accessibility meta bugs
    • Pick one, search for other bugs that are missing, and add them to the meta bug

Core:Layout Triage Team

This is a good triage task for front-end developers. Help us go through UNCONFIRMED Core:Layout bugs, talk with the bug reporters, replicate the bugs, and attached reduced test cases.

The hardest part about layout bug triage is being able to tell apart "is a valid bug" and "is not a valid bug". This typically involves understanding the spec well enough to understand what behavior it requires. It also typically involves reducing the testcase enough that it's possible to try to figure out what parts of the spec are relevant. The really rare skill here is this ability to reduce testcases well. Here are some useful slides that explain how to create reduced testcases.

  • UNCONFIRMED Core::Layout bugs
  • Sort the list different ways and look over it.
  • Pick a bug and read through it and its comments to thoroughly understand it.
  • Is the bug reproducible?
  • It may be UNCONFIRMED because it is not clear whether a reproducible issue is a problem within a Mozilla product or whether the problem lies somewhere else.
  • Search for bugs already tagged testcase-wanted and try to develop a testcase.

Creating a simplified DOM/layout test

  • These tips are from a talk by Martijn Wagners
  • This saves time for the developer
  • It is easier to convert into automated tests

Tools

  • DOM Inspector
  • Error Console
  • Disabling javascript
  • HTTP Headers (for network related problems)

Define the problem - URL/example? - Steps to reproduce? - Extensions installed? - Screenshot?

Layout bugs

DOM bugs

Problems - Report too vague, no url that shows the problem - Difficult/impossible to reproduce - Problem somewhere in an ajax library (which are usually huge) - Problems that can only be seen on a network (http headers,e tc)

Example problem bug

Firefox 3 onLoad event fireing before the page is fully loaded.

  • Page that shows the problem, but:
    • It's not happening very often
    • It seems to happen only over a (slow?) network connection
    • The JS code behind it is complicated

More info - http://developer.mozilla.org/en/Reducing_testcases - https://wiki.mozilla.org/MozillaQualityAssurance:Triage

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