Bugmasters/Projects

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
316557 Firefox could have a permanent cached site list UNCONFIRMED [wontfix?]
320925 "Clear private data" (sanitize) feature should have an option to clear the last used download target directory name and path UNCONFIRMED
360482 provide a user choice/override mechanism for audio objects with autostart="true" UNCONFIRMED
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?]
465296 Proxy preference to bypass proxy for local addresses UNCONFIRMED
481909 add maximum expire time to option Keep cookies until they expire UNCONFIRMED
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
553513 [WISHLIST] use sans-serif as the default font UNCONFIRMED
567172 Provide an option in FF's UI for site spcific zoom (browser.zoom.siteSpecific = true/false) UNCONFIRMED
568418 Autoscroll option not saved when accessing same profile from different OS's UNCONFIRMED
568794 "Allow pages to choose their own fonts" should be a per-site preference. UNCONFIRMED
577447 Favicon from last visited page remains active for new visited page with no favicon associated in windows taskbar UNCONFIRMED
585509 Adjusting font size under Edit->Preferences->Content->Fonts and Colors does not alter font size in textarea. UNCONFIRMED
626010 Add a "bookmark these tabs" option in sessionrestore error page UNCONFIRMED [WONTFIX?][addon idea]
647147 Add access to download settings from the Downloads window UNCONFIRMED
673939 Scrolling via spacebar sometimes doesn't happen until next mouse movement event UNCONFIRMED
703074 Start using another profile than default, for specific file type/protocol UNCONFIRMED
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
1302284 List site-specific zoom levels 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
1426103 Initial bookmarks sync is very slow, takes hours or never ends (for ~35000 bookmarks) UNCONFIRMED
1453229 headless option to save URL page source 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
1540208 Firefox Sync doesn't arrange for all devices to show the exact same set of tabs UNCONFIRMED
1567753 Search engine list wraps around UNCONFIRMED
1587983 Make it clear what the check marks do in the one-click search engines preferences 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
1603817 Facebook Container recommended even though Firefox Multi-Account Containers is installed UNCONFIRMED
1615841 Multi Tab session saves w/ Mozilla Account. UNCONFIRMED
1648714 Basic Authentication Info shown in tab title UNCONFIRMED
1655819 [Firefox 79] "toolkit.tabbox.switchByScrolling" always "true" UNCONFIRMED
1670270 Improve fullpage screenshots when custom or multiple scrollbars exist UNCONFIRMED
1671850 RFP spoof english prompt does not handle all cases UNCONFIRMED
1674252 Don't hide pref browser.pagethumbnails.capturing_disabled UNCONFIRMED
1676604 Primary password dialog blocks all(?) network traffic and page loads 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
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
1897579 Serious usability issue: button inside another button UNCONFIRMED
1904232 All tabs lost when using private browsing window and close main window UNCONFIRMED
1907771 Certain websites are not translated despite language tag 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]
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
1961891 New tab should stick to the same desktop 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
1966191 All of bookmarks toolbar ends up in the dropdown UNCONFIRMED [snt-scrubbed] [places-papercut]
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
1971736 Crash in [@ smallvec::SmallVec<T>::push] 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
1974147 Preference lock is not honored when setting "browser.newtabpage.activity-stream.showSponsoredTopSites" though Group Policy UNCONFIRMED
1974461 Moving tabs (along tab horizontal space for tabs) is not smooth anymore UNCONFIRMED
1974570 After launching Firefox, within 10 to 15 minutes the open tabs start experiencing loading issues. UNCONFIRMED
1975182 Problem switching tabs with Ctrl+Tab or Shift+Ctrl+Tab UNCONFIRMED
1975473 [Synced Tabs Menu] Expanded tabs minimise after closing tabs and not performing an action UNCONFIRMED
1975526 "Restore Session" does not restore state of previous "Restore Session" pages UNCONFIRMED
1975764 Constant / high CPU usage from audio recording (microphone) icon looping crossfade animation on unfocused WebRTC tabs 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
1977525 Highlighting multiple lines causes highlight to extend a page width to the right of the page in focus UNCONFIRMED
1978084 Firefox keep loosing my data - deleted pins and open tabs UNCONFIRMED [fidefe-session-restore]
1978691 Help menu is longer than necessary UNCONFIRMED
1979559 Cmd + Shift + T doesn't reopen tabs from re-opened window 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
1980922 Translate language recognition error on pdf viewer UNCONFIRMED
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
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
1987875 Link destination covers up page contents, no permanent status bar 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
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
1989560 New tabs stuck on loading icon UNCONFIRMED
1989717 "Restore Previous Session" causes Firefox to hang UNCONFIRMED
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 [fidefe-sidebar]
1990306 Botón de cerrar pestaña no funciona cuando solo queda una pestaña abierta UNCONFIRMED
1991327 firefox background gif maxing out ram while idle in the background UNCONFIRMED
1992175 There is no sessionstore file being saved and thus my latest tabs and tab groups are lost UNCONFIRMED
1992435 Sync is stuck in "Synchronising..." - it's singed in but claims that the login failed UNCONFIRMED
1992601 Passwords are not visible or editable UNCONFIRMED
1992648 Private mode is retaining history even after closing it and opening a new window. UNCONFIRMED
1993749 Right-click menu becomes infested with "Ask an AI Chatbot (Z)" but only after a short delay? UNCONFIRMED
1993799 Popup windows are not always created as xdg_popup, causing rendering issues 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
1995192 Extension appears enabled but doesn't work until re-enabled; problem reoccurrs each time Firefox starts 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
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
1996821 FF 143 and 144 tab hangs when trying to move to a new YT video 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
1997751 firefox intermittent white flash when opening/closing tabs as of 2 weeks ago. 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
2001541 inconsistent windows Menu display in Firefox 115.30.0esr UNCONFIRMED
2001867 tabs crashing when opening websites UNCONFIRMED
2002054 Now with latest updates Firefox started saving temp files that clutter the downloads tab UNCONFIRMED

158 Total; 158 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.


Bugzilla query error

Query options must be valid JSON.1


  • 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.


Bugzilla query error

Query options must be valid JSON.1


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