Bugmasters/Projects: Difference between revisions

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     "product": "Firefox",  
     "product": "Firefox",  
     "status": "UNCONFIRMED",
     "status": "UNCONFIRMED",
     "include_fields": "id, summary, status, whiteboard",
     "include_fields": "id, summary, status, os, whiteboard",
     "order": "bug_id",
     "order": "bug_id",
     "changed_before": "-1d",
     "changed_before": "-1d",

Revision as of 17:15, 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]
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
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
1413874 Add mouse gestures natively 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
1841430 Firefox & Nightly : Session restoration flaw ? 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]
1932688 "Picture-in-Picture: auto-open on tab switch" not working specifically after signing into my account UNCONFIRMED
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]
1946510 mozilla account "disconnected" after firefox is closed and relaunched UNCONFIRMED
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
1973457 Cannot Disable Smooth Scrolling When Searching Pdfs Within Firefox 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
1982698 github.com - bad Contrast Control results with GitHub's colorblind theme 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
1987445 favicons are not loaded in background in case they are missing 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
1992525 PDFs can not be viewed/saved (ZoneAlarm deletes/moves downloaded files) UNCONFIRMED
1992648 Private mode is retaining history even after closing it and opening a new window. UNCONFIRMED
1993804 Toolbar and tab strip crashing when moving tabs 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
2002054 Now with latest updates Firefox started saving temp files that clutter the downloads tab 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

155 Total; 155 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 Os Whiteboard
410737 Double download for saving files UNCONFIRMED No os DUPEME
540419 Switching between tabs makes youtube video go back and forth UNCONFIRMED No os [platform-rel-Youtube]
670336 cmd+/ shortcut for add on toolbar on germany QWERTZ keyboard layout has double action UNCONFIRMED No os [closeme 2026-01-05]
677435 hardware acceleration on nvidia Geforce 460M w/ driver 267.54 very laggy UNCONFIRMED No os
683136 Changing name in Save as dialog switches automatically filter UNCONFIRMED No os
704796 menubar item selected after POST-Request UNCONFIRMED No os [closeme 2026-01-05]
720049 allow user to copy text of menus UNCONFIRMED No os
1268058 firefox 45.0 on Linux Mint, in saved logins, right clicking & selecting to copy username, copies the passwords & vice versa UNCONFIRMED No os
1335963 Accel keys in Page Info Media panel are both "A" for "Save As" and "Select All" UNCONFIRMED No os
1407238 Cli argument for print page or generate pdf command in Firefox headless mode UNCONFIRMED No os
1424761 When a youtube.com tab is restored using Ctrl+Shift+T video should start were it was instead of from the beginning UNCONFIRMED No os
1435184 Extend "Density" Customize option to also adjust size of sidebar header UNCONFIRMED No os
1471311 Add a way to open external links in a private browsing window UNCONFIRMED No os
1529446 Menus misplaced after adjusting GNOME HiDpi scaling UNCONFIRMED No os
1572902 Disqus escapes the Private Browsing mode UNCONFIRMED No os
1588634 pdf-viewer should reload if file-content changes UNCONFIRMED No os [pdfjs-feature]
1602182 Don't sync locked preferences UNCONFIRMED No os
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 No os
1617658 When searching about:logins, select and show the search results' first login. UNCONFIRMED No os
1674663 Problem in take screenshot when selecting a custom region UNCONFIRMED No os
1676519 Sync Addon preference "Run in Private Windows" UNCONFIRMED No os
1683221 Tab-bar Scrolling too fast UNCONFIRMED No os
1688450 Put telemetry options in the First Run screen in a more clear way UNCONFIRMED No os
1689037 Desktop Device not shown in Android devices when desktop device offline for several hours UNCONFIRMED No os
1772521 Tab sync between android and win64dev edition is outright BROKEN UNCONFIRMED No os
1879785 Firefox should not sync autoscroll between systems UNCONFIRMED No os [fxsync-]
1907771 Certain websites are not translated despite language tag UNCONFIRMED No os
1919096 Firefox sync between Android and Linux malfunctions in all sorts of interesting ways UNCONFIRMED No os
1923785 Screenshot file name is too long UNCONFIRMED No os
1932688 "Picture-in-Picture: auto-open on tab switch" not working specifically after signing into my account UNCONFIRMED No os
1933839 [HiRes scroll] Tab-bar scrolling multiple tabs per click UNCONFIRMED No os
1946510 mozilla account "disconnected" after firefox is closed and relaunched UNCONFIRMED No os
1975764 Constant / high CPU usage from audio recording (microphone) icon looping crossfade animation on unfocused WebRTC tabs UNCONFIRMED No os
1979559 Cmd + Shift + T doesn't reopen tabs from re-opened window UNCONFIRMED No os
1980835 New-in-nightly tab title/site/metadata popup whips outside the window when tab list is scrolled UNCONFIRMED No os [fidefe-tabgrps]
1981061 Shortcuts with custom image icons showing up as grey. Only when the homepage is reloaded or a new homepage opened do they show up. UNCONFIRMED No os [hnt]
1989238 when unloading multiple tabs, the tab you are currently on also gets unloaded and one of the tabs that you want unloaded doesn't get unloaded as a result UNCONFIRMED No os
1989560 New tabs stuck on loading icon UNCONFIRMED No os
1989976 Tab group doorhanger not attached to anything (with vertical tabs on the right) UNCONFIRMED No os
1990130 sidepanel slapping: Hover-triggered panel flickers (loop of show/hide) when user quickly moves cursor to opposite edge while panel uses long width-expand animation and variable width. UNCONFIRMED No os [fidefe-sidebar]
1991596 [Linux] Firefox keeps opening new tabs forever (when opening metalink file with Firefox) UNCONFIRMED No os
1992287 Version 143.0.3 (64-bit) -- Restore Previous Tabs Not Working. UNCONFIRMED No os
1992525 PDFs can not be viewed/saved (ZoneAlarm deletes/moves downloaded files) UNCONFIRMED No os
1992601 Passwords are not visible or editable UNCONFIRMED No os
1993804 Toolbar and tab strip crashing when moving tabs UNCONFIRMED No os
1994231 Search with bookmark keywords doesn't work when browser's lagging UNCONFIRMED No os
1996138 FF 144.0 Snap for Ubuntu does not restore previous session when opening. UNCONFIRMED No os
1996353 Tabs overlap and the top bar is unresponsive after switching/moving tabs. UNCONFIRMED No os
1996384 opening a private window first restores all last-used tabs/pages in a regular window UNCONFIRMED No os
1996709 Open browser tabs keep freeing up or crashing. UNCONFIRMED No os
1996821 FF 143 and 144 tab hangs when trying to move to a new YT video UNCONFIRMED No os
1998849 Expand sidebar + "expand sidebar on hover" break sidebar buttons' visibility UNCONFIRMED No os [fidefe-sidebar]
2000446 screen flashes before and after the website loads UNCONFIRMED No os
2001213 installer fetch only 127 outdated firefox version UNCONFIRMED No os
2001347 unable to delete tags that Fedora Linux version of Firefox added UNCONFIRMED No os [sng]
2001422 Starting a video in the last tab hides part of the tab UNCONFIRMED No os
2001766 Why does Firefox clear ALL COOKIES, ADDONS, AND HISTORY when I sign out of sync? UNCONFIRMED No os
2001953 Firefox switching to tabs that are loading UNCONFIRMED No os
2002343 Intermittent browser/components/tabbrowser/test/browser/tabs/browser_tab_detach_restore.js | single tracking bug UNCONFIRMED No os [collect_confirm_failure]
2002557 The Firefox tabs and top UI items break after trying to drag tabs around. UNCONFIRMED No os
2003078 Awesome bar suggestion contains name of unrelated tab group UNCONFIRMED No os
2003852 dragging text to a new tab appear a loading icon UNCONFIRMED No os
2003862 Open tabs turn into blank tabs after restore when internet connection weak UNCONFIRMED No os
2003875 Tab hitbox does not extend to top of screen UNCONFIRMED No os
2004017 Tabs overlay on top of each other and back/forward buttons do not work UNCONFIRMED No os
2004685 Initial window title bar not using system color UNCONFIRMED No os
2005162 Firefox 146.0 update renamed desktop launcher from firefox.exe to rer.exe UNCONFIRMED No os
2005185 Windows Taskbar - Tab Icons not usable and Text is missing UNCONFIRMED No os
2005232 Keyboard shortcuts stopped working UNCONFIRMED No os
2005274 (Windows high contrast mode) Firefox is using the system accent color rather than contrast colors. UNCONFIRMED No os
2005276 Firefox Unusable UNCONFIRMED No os
2005352 Dark mode breaks some websites UNCONFIRMED No os
2005400 Certain Google docs (spreadsheets) give "There was an error during calculation" error very often UNCONFIRMED No os
2005773 Firefox using 40-50GB RAM on a single Youtube tab. UNCONFIRMED No os
2005815 My bookmark sidebar turned dark brown after 146 update UNCONFIRMED No os
2005827 Sidebar It’s not work properly. In Dark mode, background is white and bookmarks are invisible. UNCONFIRMED No os
2006065 CTRL+T does not open a new tab in recent update UNCONFIRMED No os
2006118 Right click context menus has multiple items underlined as "S" UNCONFIRMED No os
2006573 Glitch when dragging an unpinned opened tab around the grouped tab UNCONFIRMED No os
2006994 ALT + CTRL + Z doesn't work UNCONFIRMED No os
2007082 firefox opens new tabs not in window suspected UNCONFIRMED No os
2007092 phantom tab in tab bar UNCONFIRMED No os
2007212 Title bar repeatedly disappearing even when Customize Toolbar > Title Bar is checked UNCONFIRMED No os
2007258 Numerous tabs easily lost by new window being opened by link. UNCONFIRMED No os
2007733 Split view tabs should be wider when they have a tab note icon UNCONFIRMED No os [fidefe-tabgrps]
2007737 Add drag & drop support for split view to group with other tabs/groups UNCONFIRMED No os
2007744 Open the link with System Handler? UNCONFIRMED No os
2007751 downloaded file popup won't go away UNCONFIRMED No os
2007759 Address Bar is covered partially by search suggestions list UNCONFIRMED No os [sng]
2007807 PWA icons in "add to taskbar" dosn't fetch real favicons UNCONFIRMED No os
2007821 Its impossible to use bookmarks and history..... UNCONFIRMED No os
2007845 Option "General > Startup > open previous windows and tabs" doesn't work. Firefox starts with a new tab UNCONFIRMED No os
2007892 Missing animation when dragging a tab in a tab group UNCONFIRMED No os
2008037 firefox is opening PDF files in the browser despite the settings set to open PDF files in a local application UNCONFIRMED No os
2008069 A number of related issues with Vertical tabs, Redux UNCONFIRMED No os
2008146 "Open previous tabs" does not work correctly in i3 or when using Ctrl+Q UNCONFIRMED No os
2008149 Button triggers navigation (Story topic sections > Story card > ••• disclosure > Open in a New Window/Open in a New Private Window buttons) UNCONFIRMED No os
2008151 Button triggers unexpected navigation (Task list widget > ••• disclosure > Learn more button) UNCONFIRMED No os
2008152 Button triggers unexpected navigation (Timer widget > ••• disclosure > Learn more button) UNCONFIRMED No os
2008154 Change of context on input (Search input) UNCONFIRMED No os
2008156 Contenteditable spans lack meaningful accessible names (Timer widget > Contenteditable spans) UNCONFIRMED No os
2008157 Contenteditable spans lack semantic roles (Timer widget > Contenteditable spans) UNCONFIRMED No os
2008159 Decorative image not programmatically identified (Settings dialog > Close button) UNCONFIRMED No os
2008160 Decorative image not programmatically identified (Settings dialog > Manage topics button) UNCONFIRMED No os [hnt]
2008161 Decorative image not programmatically identified (Story topic sections > ••• button) UNCONFIRMED No os
2008162 Decorative image not programmatically identified (Task list widget > ••• button) UNCONFIRMED No os
2008163 Decorative image not programmatically identified (Task list widget > list item > ••• button) UNCONFIRMED No os
2008164 Decorative image not programmatically identified (Timer widget > ••• button) UNCONFIRMED No os
2008165 Decorative image not programmatically identified (Timer widget > Play/Pause button) UNCONFIRMED No os
2008166 Decorative image not programmatically identified (Widgets > Fullscreen/exit and ✖ buttons) UNCONFIRMED No os
2008167 Decorative images not programmatically identified (Story topic sections > story card links > images) UNCONFIRMED No os
2008168 Dialog does not respond to Esc key (Recent activity section > ••• disclosure > Delete from History dialog) UNCONFIRMED No os
2008169 Dialog does not respond to Esc key (Story topic sections > ••• disclosure > Block dialog) UNCONFIRMED No os
2008171 Dialog fails to contain keyboard focus (Recent activity section > ••• disclosure > Delete from History dialog) UNCONFIRMED No os
2008172 Dialog fails to contain keyboard focus (Settings dialog) UNCONFIRMED No os
2008173 Dialog fails to contain keyboard focus (Settings dialog > Topics dialog) UNCONFIRMED No os
2008175 Dialog fails to contain keyboard focus (Story topic sections > ••• disclosure > Block dialog) UNCONFIRMED No os
2008178 Dialog lacks accessible name (Recent activity section > ••• disclosure > Delete from History dialog) UNCONFIRMED No os
2008179 Dialog lacks accessible name (Settings dialog > Topics dialog) UNCONFIRMED No os
2008180 Dialog lacks accessible name (Story topic sections > ••• disclosure > Block dialog) UNCONFIRMED No os
2008181 Dialog lacks accessible name (Story topic sections > ••• disclosure > Report dialog) UNCONFIRMED No os
2008185 Dialog lacks role (Recent activity section > ••• disclosure > Delete from History dialog) UNCONFIRMED No os
2008186 Dialog lacks role (Settings dialog > Topics dialog) UNCONFIRMED No os
2008189 Dialog not programmatically identified as modal (Recent activity section > ••• disclosure > Delete from History dialog) UNCONFIRMED No os
2008190 Dialog not programmatically identified as modal (Settings dialog) UNCONFIRMED No os
2008195 Dialog not programmatically identified as modal (Top sites/Shorctuts section > New Shortcut dialog) UNCONFIRMED No os
2008200 Disclosure button programmatically misrepresented as application menu trigger (Recent activity section > ••• button) UNCONFIRMED No os
2008201 Disclosure button programmatically misrepresented as application menu trigger (Story topic sections > story card link > ••• button) UNCONFIRMED No os
2008202 Disclosure button programmatically misrepresented as application menu trigger (Task list widget > ••• button) UNCONFIRMED No os
2008203 Disclosure button programmatically misrepresented as application menu trigger (Task list widget > list item > ••• button) UNCONFIRMED No os
2008204 Disclosure button programmatically misrepresented as application menu trigger (Timer widget > ••• button) UNCONFIRMED No os
2008205 Disclosure button programmatically misrepresented as application menu trigger (Top sites/Shorctuts section > ••• button) UNCONFIRMED No os
2008206 Fieldset purpose not programmatically identified (Settings dialog > Wallpaper category dialog) UNCONFIRMED No os
2008208 Focus not returned after activating button (All buttons within disclosures, except buttons that open dialogs or trigger navigation) UNCONFIRMED No os
2008210 Focus not returned after dismissing combobox (Weather card > ••• disclosure > Change Location combobox) UNCONFIRMED No os
2008212 Focus not returned after dismissing dialog (Story topic sections > ••• disclosure > Report dialog) UNCONFIRMED No os
2008214 Focus not returned after dismissing dialog (Story topic sections > non-bookmarked link > ••• disclosure > Bookmark dialog) UNCONFIRMED No os
2008225 Focus not set to dialog (Top sites/Shorctuts section > ••• disclosure > Delete from History dialog) UNCONFIRMED No os
2008227 Group structure/relationship not programmatically defined (Task list widget) UNCONFIRMED No os
2008233 Insufficient contrast (Search input) UNCONFIRMED No os
2008235 Insufficient contrast (potentially) (Overall page layout) UNCONFIRMED No os
2008246 Obscured content at 400% zoom (Overall page layout) UNCONFIRMED No os
2008247 Obscured content due to sticky header (Overall page layout) UNCONFIRMED No os
2008249 Role misapplication within disclosures (All ••• disclosures) UNCONFIRMED No os
2008253 Superfluous ARIA (Recent activity section > story card links) UNCONFIRMED No os
2008256 Toggle button current function not consistently announced (Timer widget > Play/Pause button) UNCONFIRMED No os
2008439 Support runtime_allowed_hosts and runtime_blocked_hosts UNCONFIRMED No os
2008448 Implement Web Install API UNCONFIRMED No os
2008449 All bookmarks missing in FF Nightly in Windows after setting up new iPhone. UNCONFIRMED No os
2008482 On start-up firefox does not open previous tabs and default in windows 11. UNCONFIRMED No os
2008529 Automation test has significant performance drop in Firefox 140 and 144 UNCONFIRMED No os
2008569 Application freezes when opening settings UNCONFIRMED No os
2008583 Tab preview switches to refreshing tab UNCONFIRMED No os
2008754 Window title bar is invisible when Firefox window is restored from previous session UNCONFIRMED No os
2008927 Choppy/stuttering scrolling with touchpad UNCONFIRMED No os
2009296 flashing tab hover preview UNCONFIRMED No os [fidefe-tabgrps]
2009299 Persistent file download message UNCONFIRMED No os
2009418 downloads from gmail attachments do not follow firefox settings to ask where to go UNCONFIRMED No os
2009550 Split view element appearance with Touch UI density UNCONFIRMED No os
2009619 Opening a new tab from "Firefox View" does not respect "When you open a link, image or media in a new tab, switch to it immediately" user setting UNCONFIRMED No os [fidefe-firefox-view]
2009834 [Linux/Firefox Nightly - Vertical Tabs] Excessively high CPU Usage when mousing into collapsed vertical tabs. UNCONFIRMED No os
2009924 Firefox seems doesn't show extensions install progress in toolbar UNCONFIRMED No os
2009954 PDF viewer tools (on the top right) cannot be selected/used anymore after a short while UNCONFIRMED No os
2010095 Firefox is doing DNS pings to all Bookmarks randomly UNCONFIRMED No os
2010111 Tabs closing automatically after recent Firefox update UNCONFIRMED No os
2010122 Firefox browser will often not save latest session and instead default to earlier session. UNCONFIRMED No os
2010148 Automatic setting for web site appearance doesn't work UNCONFIRMED No os
2010210 After clicking a Bing search result, switching tabs before the page fully loads causes the original tab's state to be completely lost (becomes a blank page). UNCONFIRMED No os
2010222 Parts of toolbar and tab bar not responding to mouse UNCONFIRMED No os
2010307 Wordpress ADMIN page issue UNCONFIRMED No os
2010480 menu bar not responding UNCONFIRMED No os
2010531 Unwanted shortcuts when clicking in the url bar UNCONFIRMED No os [sng]
2010549 window not passed to ExtensionSidebarPane.onShown listener UNCONFIRMED No os
2010582 Slowing down then crashing UNCONFIRMED No os
2010750 历史记录自动被删除 UNCONFIRMED No os
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 No os
2010978 Existing Home->Shortcuts "4 rows" setting ignored (showing "2 rows") after automatic upgrade UNCONFIRMED No os
2011001 Translation of open websites in the background no longer works UNCONFIRMED No os
2011019 Cannot cycle previous tabs using Ctrl + PgUp UNCONFIRMED No os
2011059 Sidebar stays open UNCONFIRMED No os
2011098 The bookmarks toolbar is no longer visible and cannot be made visible again. UNCONFIRMED No os
2011127 My mozila firefox account won't sync my data UNCONFIRMED No os
2011174 Firefox suggests email addresses even though all autofill options are disabled (MacOS) UNCONFIRMED No os
2011190 open image in new tab downloads instead UNCONFIRMED No os
2011207 Issue Problem Restoring Pages UNCONFIRMED No os
2011320 Selected text in Google Docs is replaced with a single selected character instead of printing new text over the selected text UNCONFIRMED No os
2011335 Bookmarks saved to custom folders do not appear, only work in "Other Bookmarks" UNCONFIRMED No os
2011370 Negotiation auth with kerberos broken UNCONFIRMED No os
2011419 language packages aren't working correctly with official .deb repository firefox UNCONFIRMED No os
2011798 [Performance] Style Editor hangs/lags due to duplicate stylesheet injection in moz-button and moz-label (Shadow DOM) UNCONFIRMED No os
2011824 NavigationPrecommitController#redirect does not respect the `history` option UNCONFIRMED No os
2011899 startup crash when selected option "Delete cookies and site data when Firefox is closed" UNCONFIRMED No os
2012011 WARNING: Process Key Event failed: Timeout was reached.: 'glib warning', file /build/firefox/parts/firefox/build/toolkit/xre/nsSigHandlers.cpp:201 UNCONFIRMED No os
2012192 Latest version of FireFox crashes OSX on Mac Pro 2013 UNCONFIRMED No os
2012210 switch to next tab and switch to previous tab are missing in about:keyboard (Linux) UNCONFIRMED No os
2012238 Context menu appears in wrong position UNCONFIRMED No os
2012269 Gecko Remote Settings (rsegmnoittet-es) causes extreme disk write amplification during certificate updates UNCONFIRMED No os
2012275 Serious Pinkish Colour Deformation UNCONFIRMED No os
2012291 Right click context menu flashing on multi-monitor setup UNCONFIRMED No os
2012292 Very High RAM usage UNCONFIRMED No os
2012314 When dragging a tab out of window, sometimes the wrong window is focused UNCONFIRMED No os
2012327 WEBPs downloaded via GM.xmlHttpRequest are downloaded without prompting for a file save location. UNCONFIRMED No os
2012328 Turkish localization contains spelling and terminology issues on the “Customize Toolbar” page, with strings defined outside of Crowdin. UNCONFIRMED No os
2012334 The design of the tab group hover preview items should align with the all tabs view UNCONFIRMED No os
2012368 Firefox doesn't shut down UNCONFIRMED No os
2012370 Massive memory leak (2GiB -> 10GiB usage) from a single Google search UNCONFIRMED No os
2012395 Animation of collapsing/expanding group with selected tab is not smooth UNCONFIRMED No os

207 Total; 207 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.

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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