| 1798074
|
|
High commit, leading to system instability
|
Core
|
Graphics
|
ahale
|
UNCO
|
---
|
2025-08-18
|
| 1903641
|
|
Incorrect gamma for background color alpha when Windows ACM is enabled
|
Core
|
Graphics: Color Mana
|
ahale
|
UNCO
|
---
|
2025-08-20
|
| 1931843
|
|
Webgl on Xubuntu 24.10 under Nvidia broken
|
Core
|
Graphics: CanvasWebG
|
ahale
|
UNCO
|
---
|
2025-07-07
|
| 1964304
|
|
tools.sh tests #4344, #4345, #4346 fail in NSS 3.101.3
|
NSS
|
Test
|
djackson
|
UNCO
|
---
|
2025-08-13
|
| 556612
|
|
Unable to edit build field in the Test Runs (tr_show_plan.cgi) page
|
Testopia
|
General
|
gregaryh
|
UNCO
|
---
|
2024-05-20
|
| 559732
|
|
Exporting results from a test run is not working when there are more testcases
|
Testopia
|
Import/Export
|
gregaryh
|
UNCO
|
---
|
2025-07-31
|
| 1979048
|
|
WebGPU abort() in ASAN builds
|
Core
|
Graphics: WebGPU
|
jimb
|
UNCO
|
---
|
2025-08-20
|
| 1783163
|
|
Sandbox: attempt to open unexpected file /sys/devices/system/cpu/cpu0/cache/index2/size
|
Core
|
Security: Process Sa
|
jld
|
UNCO
|
---
|
2024-12-23
|
| 1258225
|
|
problem with badges on backpack when try to claim says not coincide with the account im using and they are the same
|
Websites
|
openbadges.org
|
nobody
|
UNCO
|
---
|
2023-11-24
|
| 1675866
|
|
drawElementsInstanced and generateMipmap create errors for video frames
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2024-03-10
|
| 1756948
|
|
There is a built-in function max() not worked as it should
|
L20n
|
Python Library
|
nobody
|
UNCO
|
---
|
2024-10-11
|
| 1777502
|
|
.com.in not on the domain suffix list https://publicsuffix.org/list/ - mozy's project
|
Internet Public Poli
|
Internet Governance
|
nobody
|
UNCO
|
---
|
2024-05-20
|
| 1819206
|
|
With Firefox 110, dropdown menus disappear when the mouse moves
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2025-06-15
|
| 1892165
|
|
Firefox 124 Performance Regression on High Intensity Video Streaming
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2024-11-04
|
| 1920664
|
|
Firefox for Windows ARM64 randomly hangs and causing crash in QCDX Display Driver
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2025-07-02
|
| 1959476
|
|
Roll20 site flickers white and some elements flicker off when animated tokens and features are used.
|
Web Compatibility
|
Site Reports
|
nobody
|
UNCO
|
---
|
2025-06-17
|
| 1981867
|
|
Refresh the web page, Firefox memory usage continues to increase
|
Core
|
Graphics: WebGPU
|
nobody
|
UNCO
|
---
|
2025-08-11
|
| 1959420
|
|
Encrypted media (PlayReady) fails to play on www.rtl.nl
|
Core
|
Audio/Video: Playbac
|
alwu
|
UNCO
|
---
|
2025-05-01
|
| 1821582
|
|
`worker.postMessage` with a WebAssembly.Memory followed by 2 typed arrays doesn't work.
|
Core
|
JavaScript: WebAssem
|
bvisness
|
UNCO
|
---
|
2024-06-27
|
| 1768856
|
|
Firefox prompts two master password dialogs during startup
|
Toolkit
|
Password Manager
|
dlee
|
UNCO
|
---
|
2025-03-10
|
| 1772842
|
|
Primary password popup stuck
|
Toolkit
|
Password Manager
|
dlee
|
UNCO
|
---
|
2024-08-13
|
| 1666851
|
|
'pointerout', 'pointerenter' and 'pointerleave' events incorrectly fired during pointer capture
|
Core
|
DOM: UI Events & Foc
|
echen
|
UNCO
|
---
|
2024-01-23
|
| 1823937
|
|
Service worker in a cross-origin iframe cannot intercept requests initiated by a web worker inside the iframe
|
Core
|
DOM: Service Workers
|
echuang
|
UNCO
|
---
|
2025-04-04
|
| 1678670
|
|
undef error - Validation failed for type named NonEmptyStr declared in package Specio::Library::String (/usr/local/share/perl5/Specio/Library/String.pm) at line 46 in sub named (eval) with value undef Trace begun at Specio::Exception->new line 57
|
Bugzilla
|
Bugzilla-General
|
general
|
UNCO
|
---
|
2023-08-23
|
| 1857439
|
|
IndexedDB is overcounting the size of objects put or added to an object store (IDBObjectStore.put: The serialized value is too large)
|
Core
|
Storage: IndexedDB
|
jjalkanen
|
UNCO
|
---
|
2025-01-14
|
| 1657849
|
|
media plugin seccomp sandbox should allow __NR_sched_setscheduler
|
Core
|
Security: Process Sa
|
jld
|
UNCO
|
---
|
2024-11-20
|
| 1796195
|
|
Uploading (large) files to certain sites fails intermittently from firefox version 101 with trellix DLP hooks
|
Core
|
Networking: HTTP
|
kershaw
|
UNCO
|
---
|
2025-07-28
|
| 1983239
|
|
Attacker can crash Neqo (Mozilla's QUIC server) by establishing a few parallel connections continuously
|
Core
|
Networking
|
leggert
|
UNCO
|
---
|
07:13:42
|
| 1836472
|
|
Microsoft IME does not switch to private mode if <input type="search"> has focus in the private window
|
Core
|
DOM: UI Events & Foc
|
m_kato
|
UNCO
|
---
|
2024-10-30
|
| 215023
|
|
Tiled background on clipped layer appears incorrectely since Mozilla 1.4
|
Core
|
Web Painting
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 372439
|
|
PKCS#12 export with empty password produces incorrect encoding of MacData in PFX object
|
NSS
|
Libraries
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 1124005
|
|
CSS cached in style editor
|
DevTools
|
Style Editor
|
nobody
|
UNCO
|
---
|
2023-09-14
|
| 1153862
|
|
[e10s] Process-specific service initialisation
|
Toolkit
|
General
|
nobody
|
UNCO
|
---
|
2023-11-21
|
| 1172691
|
|
Clipboard content encoded incorrectly when copying content in Linux
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2023-11-19
|
| 1201787
|
|
Stopgap solution for Multilingual Release Notes
|
SeaMonkey
|
Release Engineering
|
nobody
|
UNCO
|
---
|
2023-11-25
|
| 1269786
|
|
Panel not showing at the correct position when attached to a toggleButton in FF46+
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1278917
|
|
Execution of atomic javascript function gots interrupted by an onload callback eventhandler
|
Core
|
DOM: Core & HTML
|
nobody
|
UNCO
|
---
|
2024-08-19
|
| 1341059
|
|
middlemouse.contentLoadURL is not prevented with preventDefault()
|
Core
|
DOM: UI Events & Foc
|
nobody
|
UNCO
|
---
|
2023-10-28
|
| 1343331
|
|
Firefox prioritizes web socket events over location changes
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2025-07-28
|
| 1352706
|
|
[e10s-multi] Firefox 55 breaks tabs & session with high number of processes and causes critical dataloss
|
Core
|
General
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1354573
|
|
requestPresent not allowed inside a callback function from user gesture
|
Core
|
WebVR
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1355978
|
|
show tab favicons immediately
|
Firefox
|
Tabbed Browser
|
nobody
|
UNCO
|
---
|
2024-08-13
|
| 1366600
|
|
Thunderbird Menu: right arrow indicating a sub menu is missing
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1390212
|
|
Parent element won't get focus when child with fixed position is clicked
|
Core
|
DOM: UI Events & Foc
|
nobody
|
UNCO
|
---
|
2024-11-14
|
| 1390234
|
|
Add telemetry for alert/confirm/prompt usage
|
Core
|
DOM: Core & HTML
|
nobody
|
UNCO
|
---
|
2025-08-19
|
| 1392014
|
|
GLib-GObject-CRITICAL starting Firefox
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1392208
|
|
XMLHttpRequest onerror isn't called when uploading a file
|
Core
|
DOM: Events
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1397642
|
|
Memory corruption issue - Access violation reading address
|
Core
|
DOM: Events
|
nobody
|
UNCO
|
---
|
2025-05-03
|
| 1401222
|
|
Key events re-queued out of order if focus changes on keydown
|
Core
|
DOM: Events
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1404034
|
|
Icon looks pixelated on gnome3
|
Firefox
|
Theme
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1404295
|
|
Firefox developer edition - default browser issue
|
Firefox
|
Shell Integration
|
nobody
|
UNCO
|
---
|
2025-03-07
|
| 1405336
|
|
Memory useage doesn't clear with browser refresh
|
Core
|
DOM: Core & HTML
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1405504
|
|
Can no longer scroll the tab bar using touch on win 10 and Firefox beta 57.0b5. Touch scrolling works on Firefox 56.
|
Firefox
|
Tabbed Browser
|
nobody
|
UNCO
|
---
|
2024-09-22
|
| 1406694
|
|
font rendering become too dark / bold @FF56
|
Core
|
Graphics: Text
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1409601
|
|
Hardware acceleration problem and high CPU/GPU utilization during video playback
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2025-03-12
|
| 1411629
|
|
Using DBUS_SESSION_BUS_ADDRESS does not work with sandboxing
|
Core
|
Security: Process Sa
|
nobody
|
UNCO
|
---
|
2025-05-03
|
| 1411679
|
|
Context menu sometimes shown in the wrong place after DPI scaling factor changes
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1411864
|
|
pressing the ESC or ENTER key on window.prompt triggers keyup
|
Core
|
DOM: UI Events & Foc
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1412693
|
|
Sidebar state and button 'checked' state get out of sync in new private windows
|
Firefox
|
Toolbars and Customi
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1417384
|
|
Missing pixels in the corners on maximized window on high-density monitors
|
Firefox
|
Theme
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 1417767
|
|
"Close All Windows" missing on macOS
|
Core
|
Widget: Cocoa
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1420244
|
|
execCommand('copy') model broken due to clipboardWrite requirement for > 1MB data
|
Core
|
DOM: Core & HTML
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1420445
|
|
Pointerlock limited, movement rapid and unpredictable
|
Core
|
DOM: UI Events & Foc
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1425483
|
|
On Mac, with RTL languages, CMD+Left/Right goes in wrong direction
|
Core
|
Widget: Cocoa
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1428021
|
|
Animations inside an extension have display issues
|
Core
|
Web Painting
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1433262
|
|
Focused element does not change if tab keydown event hides active element
|
Core
|
DOM: Events
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1434231
|
|
Long time interval between mousemove events
|
Core
|
DOM: UI Events & Foc
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1436356
|
|
tabs.printPreview() sometimes hangs on Mac OS X
|
Core
|
Print Preview
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1442933
|
|
Video issues on during playback at 1440p at full screen
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1444078
|
|
Printing to 300x600 dpi label printer is half width
|
Core
|
Printing: Output
|
nobody
|
UNCO
|
---
|
2023-02-05
|
| 1445029
|
|
Large amount of GPU memory used per content process
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1447966
|
|
Add option to temporarily disable CSS features
|
DevTools
|
Inspector: Rules
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1451111
|
|
navigator.credentials.get is not respecting `allowCredentials` for filtering out authenticators
|
Core
|
DOM: Web Authenticat
|
nobody
|
UNCO
|
---
|
2023-08-23
|
| 1452470
|
|
nss-modutil does not load pkcs module to firefox on mac os high sierra / ubuntu 18
|
NSS
|
Libraries
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1457607
|
|
Firefox 59+ version developer tool freeze, can not input filter on console tab
|
DevTools
|
Console
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1460250
|
|
provide asynchronous versions of some PKCS#11 APIs
|
Core
|
Security: PSM
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1462503
|
|
Performance regression in WebGL
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2023-04-03
|
| 1466835
|
|
Hardware acceleration on Windows slows down masked SVG rendering by factor 2 to 4
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1471405
|
|
Back button doesn't work with Firefox 61 with Google Container addon
|
Core
|
DOM: Navigation
|
nobody
|
UNCO
|
---
|
2024-10-13
|
| 1471944
|
|
the browser can't read the Gzip encode data in website and return with blank value for it
|
Core
|
DOM: Core & HTML
|
nobody
|
UNCO
|
---
|
2023-07-10
|
| 1477391
|
|
Fetch Does not properly handle requests for media
|
Core
|
DOM: Service Workers
|
nobody
|
UNCO
|
---
|
2025-01-04
|
| 1477844
|
|
leaks in native fuzzing interface with ASAN_OPTIONS=detect_leaks=1
|
Core
|
Fuzzing
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1477846
|
|
cannot use ASAN_OPTIONS=detect_stack_use_after_return=1 with native fuzzing interface
|
Core
|
Fuzzing
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1480664
|
|
'mouseout' event fires prematurely for <select> element
|
Core
|
DOM: Events
|
nobody
|
UNCO
|
---
|
2023-12-01
|
| 1482469
|
|
scrolling in google sheets extremly slow (1-2fps)
|
Core
|
Graphics: Canvas2D
|
nobody
|
UNCO
|
---
|
2024-05-26
|
| 1483328
|
|
WaitPidDaemonThread() stealing return status and asserting
|
NSPR
|
NSPR
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1484378
|
|
Firefox window changes its position on the screen when started unmaximized
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2023-12-07
|
| 1486010
|
|
[WebPush] Firefox keeps returning an expired endpoint
|
Core
|
DOM: Push Subscripti
|
nobody
|
UNCO
|
---
|
2025-07-16
|
| 1488357
|
|
localstorage setitem errors
|
Core
|
DOM: Core & HTML
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1491707
|
|
Scrolling gets stuck on some pages and divs
|
Core
|
DOM: UI Events & Foc
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1493530
|
|
Boston globe ePaper freezes on surface pro 2017
|
Core
|
DOM: Events
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1503225
|
|
ASAN build - UI freezes when switching from Network tab to Console in dev tools
|
DevTools
|
Console
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1504591
|
|
Resize full screen get black skin border bug.
|
Firefox
|
Theme
|
nobody
|
UNCO
|
---
|
2024-02-27
|
| 1521953
|
|
Firefox stripping CORS headers from cached requests
|
Core
|
Networking: Cache
|
nobody
|
UNCO
|
---
|
2024-02-23
|
| 1527566
|
|
Just detecting WebVR causes constant ~13% CPU usage even when doing nothing else...
|
Core
|
WebVR
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1527580
|
|
Animation inspector doesn't deal with fast running RefreshDriver?
|
DevTools
|
Inspector: Animation
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1529446
|
|
Menus misplaced after adjusting GNOME HiDpi scaling
|
Firefox
|
Toolbars and Customi
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1531965
|
|
Middle-click scroll not working over elements with shadowDOM when scroll overflow is used
|
Core
|
DOM: Core & HTML
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1543602
|
|
[PATCH] Cannot spawn a child process for native messaging on NetBSD
|
Toolkit
|
Async Tooling
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1549295
|
|
Tooltip does not get disappear while doing horizontal scrolling as browser does not fire mouseLeave event
|
Core
|
DOM: Events
|
nobody
|
UNCO
|
---
|
2025-08-15
|
| 1550873
|
|
CascadingDropDown causing infinite refresh
|
Core
|
DOM: Events
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1558680
|
|
UI interaction behaves unexpectedly when system is under load.
|
Core
|
DOM: UI Events & Foc
|
nobody
|
UNCO
|
---
|
2024-05-26
|
| 1559763
|
|
texture-size-limit.html crashes firefox and kwin
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1559996
|
|
Link rel=prefetch may fire onload without sending network request.
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1567776
|
|
The Picture-in-Picture player window works poorly with touchscreens
|
Toolkit
|
Picture-in-Picture
|
nobody
|
UNCO
|
---
|
2024-10-01
|
| 1571629
|
|
Cannot drag specific address to desktop
|
Core
|
Widget: Cocoa
|
nobody
|
UNCO
|
---
|
2020-05-19
|
| 1573858
|
|
Flickering scrollbar in the inspector styles
|
DevTools
|
Inspector
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1573880
|
|
Windows Mixed Controller not listed on navigator.getGamepad in WebVR
|
Core
|
WebVR
|
nobody
|
UNCO
|
---
|
2025-05-27
|
| 1579348
|
|
[meta] Firefox for Librem 5, PinePhone & other Linux phones support tracker
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2025-03-22
|
| 1584715
|
|
Canvas and WebGl Fingerprinting
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2025-04-20
|
| 1584937
|
|
Responsive Design mode will under certain conditions break form requests.
|
DevTools
|
Responsive Design Mo
|
nobody
|
UNCO
|
---
|
2023-06-05
|
| 1587358
|
|
Error when issuing "browser:purge-session-history" when browser.privatebrowsing.autostart = true
|
Core
|
DOM: Navigation
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1592042
|
|
No text on first page when printing from eOS/ubuntu instead of windows
|
Core
|
Printing: Output
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1592530
|
|
GLXVsyncThread occupied high CPU (GLXtest process failed (exited with status 1): Unable to load libGL.so.1)
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2022-11-03
|
| 1593004
|
|
Track-pad click fails to initiate selectstart
|
Core
|
DOM: Selection
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1593275
|
|
Sometimes font rendering breaks
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1595746
|
|
Firefox, when pressing Space or Enter and creating a new button and focusing it, issues a click event on it
|
Core
|
DOM: UI Events & Foc
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1595797
|
|
keeping devtools open leads to memory leak
|
DevTools
|
General
|
nobody
|
UNCO
|
---
|
2024-08-23
|
| 1600213
|
|
Be consistent with use of red for Pocket
|
Firefox
|
Pocket
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1608035
|
|
very slow loading of larger html files with lot of color tags, since version 70 - chrome works as expected
|
Core
|
DOM: Core & HTML
|
nobody
|
UNCO
|
---
|
2024-06-07
|
| 1608938
|
|
pointerout/pointerleave events are not fired for pens
|
Core
|
DOM: UI Events & Foc
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1609691
|
|
Geolocation doesn't remember denial of access to location.
|
Core
|
DOM: Geolocation
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1614057
|
|
Selection’s isCollapsed is set to false for a selection with multiple collapsed ranges
|
Core
|
DOM: Selection
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1621745
|
|
Missing app menu and status menu bar when playing video with full screen mode on second monitor
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1622455
|
|
Firefox tab freezes when a huge log is displayed on Github Actions
|
Core
|
Performance: Respons
|
nobody
|
UNCO
|
---
|
2025-03-20
|
| 1625057
|
|
Firefox includes trailing space when selecting text via click and drag
|
Core
|
DOM: Copy & Paste an
|
nobody
|
UNCO
|
---
|
2025-03-02
|
| 1625204
|
|
Browser hang in NtWaitForAlertByThreadId called from mozilla::widget::CompositorWidgetChild::Initialize
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2024-09-22
|
| 1633217
|
|
Object iteration is slower than the competition (3-4 times)
|
Core
|
JavaScript Engine: J
|
nobody
|
UNCO
|
---
|
2023-05-03
|
| 1633280
|
|
WebGL context list algorithm causes infinite loop
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2023-01-12
|
| 1642010
|
|
isDistrustedCertificateChain should check that certRoot->distrust->serverDistrustAfter is of the expected length
|
Core
|
Security: PSM
|
nobody
|
UNCO
|
---
|
2024-11-25
|
| 1643061
|
|
dynamically loaded js file incorrectly identified as part of jquery
|
DevTools
|
Debugger
|
nobody
|
UNCO
|
---
|
2025-07-29
|
| 1643358
|
|
xbox gamepad mapped differently in firefox on Linux and Windows
|
Core
|
DOM: Device Interfac
|
nobody
|
UNCO
|
---
|
2025-08-06
|
| 1643979
|
|
Fetch headers with same lowercase text are not merged properly when one header undefined
|
DevTools
|
Netmonitor
|
nobody
|
UNCO
|
---
|
2023-04-02
|
| 1645076
|
|
Copying style rules from the inspector is very inconsistent
|
DevTools
|
Inspector
|
nobody
|
UNCO
|
---
|
2020-09-15
|
| 1645800
|
|
WEBGL GL_EXT_draw_buffers broken
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2022-05-05
|
| 1648714
|
|
Basic Authentication Info shown in tab title
|
Firefox
|
Tabbed Browser
|
nobody
|
UNCO
|
---
|
2021-12-23
|
| 1650152
|
|
Logitech Gamepad F310 does not follow standard gamepad layout
|
Core
|
DOM: Device Interfac
|
nobody
|
UNCO
|
---
|
2024-11-05
|
| 1650507
|
|
CSS imports do not show in the network inspector
|
DevTools
|
Netmonitor
|
nobody
|
UNCO
|
---
|
2022-08-26
|
| 1650814
|
|
Reloading a data Uri returns an error
|
GeckoView
|
General
|
nobody
|
UNCO
|
---
|
2025-07-14
|
| 1651376
|
|
Extreme disk usage, even when idle
|
WebExtensions
|
Storage
|
nobody
|
UNCO
|
---
|
2025-03-10
|
| 1656113
|
|
Font weight rendering wrong
|
Core
|
Layout: Text and Fon
|
nobody
|
UNCO
|
---
|
2022-11-02
|
| 1667365
|
|
Wrong colors rendered in Using VP9 video as WebGL Texture
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2021-03-09
|
| 1669376
|
|
Extremely elevated memory usage by Facebook
|
Core
|
JavaScript Engine
|
nobody
|
UNCO
|
---
|
2023-12-20
|
| 1672374
|
|
Printing to Bixolon SRP-350/SRP-310 receipt printers fail in Firefox 82
|
Core
|
Printing: Setup
|
nobody
|
UNCO
|
---
|
2025-03-06
|
| 1673188
|
|
GTK theme parser in content processes violates seccomp sandbox
|
Core
|
Security: Process Sa
|
nobody
|
UNCO
|
---
|
2021-01-14
|
| 1673612
|
|
Firefox Font Configuration doesn't seem work for non latin fonts
|
Core
|
Layout: Text and Fon
|
nobody
|
UNCO
|
---
|
2025-01-26
|
| 1674663
|
|
Problem in take screenshot when selecting a custom region
|
Firefox
|
Screenshots
|
nobody
|
UNCO
|
---
|
2024-05-30
|
| 1679719
|
|
High memory use for JS classes on TechRadar
|
Core
|
JavaScript Engine
|
nobody
|
UNCO
|
---
|
2023-08-13
|
| 1679729
|
|
Computer reboots when opening web site in firefox 83 (Gen9p5 Kaby Lake)
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2023-02-26
|
| 1681714
|
|
console.log(...) only logs undefined
|
DevTools
|
Console
|
nobody
|
UNCO
|
---
|
2020-12-10
|
| 1683978
|
|
Leaks a ton of memory on Facebook.com after using for a while
|
Core
|
JavaScript Engine
|
nobody
|
UNCO
|
---
|
2025-03-10
|
| 1688662
|
|
Client has been destroyed Error after Service Worker Installation
|
Core
|
DOM: Service Workers
|
nobody
|
UNCO
|
---
|
2022-01-21
|
| 1692037
|
|
Incorrect Window placement while switching monitors on Windows with multiple monitors with different scaling settings.
|
Core
|
Widget: Win32
|
nobody
|
UNCO
|
---
|
2022-02-17
|
| 1692788
|
|
[archlinux][gtk3] thick scrollbars with gtk3 3.24.25
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2023-08-29
|
| 1694035
|
|
HTTPS request freezes when visiting google related services (Google, YouTube, ...)
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2025-03-10
|
| 1698289
|
|
Intermittent website authentication failure - requires clearing site cache to repair - hugely annoying to users.
|
Core
|
Networking: Cookies
|
nobody
|
UNCO
|
---
|
2024-07-13
|
| 1699330
|
|
view-source doesn't show the source code of the page I'm viewing
|
Core
|
Networking: Cookies
|
nobody
|
UNCO
|
---
|
2024-10-31
|
| 1699632
|
|
Sometimes, Firefox' Downloads panel shows on top of other Ubuntu 20.04 windows
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2025-03-10
|
| 1705389
|
|
View source requires new HTTP authentication
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2024-08-13
|
| 1706412
|
|
Some pages load completely broken style scrambled
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2024-08-13
|
| 1706674
|
|
Error when saving snapshot (related to unicode characters in a path)
|
DevTools
|
Memory
|
nobody
|
UNCO
|
---
|
2021-04-30
|
| 1707415
|
|
incorrect handling of WorkspaceID
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2025-03-27
|
| 1708491
|
|
WebGL performance issue when rendering from an html video tag as RGB.
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2023-12-14
|
| 1711127
|
|
multipart POST header becomes malformed when aborted and reattempted
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2022-05-31
|
| 1711284
|
|
gigabytes of JS classes on Twitter
|
Core
|
JavaScript Engine
|
nobody
|
UNCO
|
---
|
2021-06-03
|
| 1713671
|
|
Google Chat Screen Share Bug
|
Core
|
Widget: Cocoa
|
nobody
|
UNCO
|
---
|
2024-09-13
|
| 1715427
|
|
Response.blob() promise is rejected when the request URL is revoked after fetch
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2021-06-11
|
| 1717016
|
|
High CPU usage on youtube
|
Core
|
Performance: General
|
nobody
|
UNCO
|
---
|
2025-05-23
|
| 1717597
|
|
Twitter feeds paint very slowly
|
Core
|
JavaScript Engine: J
|
nobody
|
UNCO
|
---
|
2023-06-28
|
| 1718017
|
|
[flatpak] Proxy settings not loaded from system properly
|
Core
|
Networking: Proxy
|
nobody
|
UNCO
|
---
|
2025-06-13
|
| 1718287
|
|
Windows Narrator gets stuck in an infinite loop on some elements
|
Core
|
Widget: Win32
|
nobody
|
UNCO
|
---
|
2022-03-10
|
| 1720059
|
|
Different heights when snapping browser windows
|
Core
|
Widget: Win32
|
nobody
|
UNCO
|
---
|
2022-05-04
|
| 1722802
|
|
Add JSAPI functions to create JS modules w/ custom exports
|
Core
|
JavaScript Engine
|
nobody
|
UNCO
|
---
|
2025-05-16
|
| 1725876
|
|
Can't click, page down, or inspect anywhere on Academia.edu
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2024-12-02
|
| 1731568
|
|
Sound playing while logged into other user account on MacOS
|
Core
|
Widget: Cocoa
|
nobody
|
UNCO
|
---
|
2024-05-26
|
| 1734791
|
|
Kerberos/SPNEGO authentication not working in snap package
|
Firefox Build System
|
Third Party Packagin
|
nobody
|
UNCO
|
---
|
2025-01-27
|
| 1735017
|
|
WebGL 'Could not find uniform in shader', while it's clearly used
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2022-02-14
|
| 1739025
|
|
QUIC Initial packet does not have DF set on MacOS
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2021-11-18
|
| 1739436
|
|
Extension window too small
|
Core
|
Widget: Win32
|
nobody
|
UNCO
|
---
|
2022-05-10
|
| 1739659
|
|
Couldn't sanitize RENDERER device: ATI RV530
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2022-03-12
|
| 1740056
|
|
High CPU and laggy browser on virtreal.io
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2025-03-11
|
| 1741140
|
|
Sync using company Internet doesn't work
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2024-08-12
|
| 1741576
|
|
business.apple.com blocked (UA filter) but works
|
Web Compatibility
|
Site Reports
|
nobody
|
UNCO
|
---
|
2025-06-05
|
| 1741845
|
|
Status code is 0, all response headers are empty for an XHR (or JQuery ajax) that has HTTP status code 408
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2022-03-03
|
| 1742715
|
|
Couldn't sanitize RENDERER device: AMD CEDAR
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2022-02-14
|
| 1745050
|
|
https://acko.net/files/slacko/ is very slow when scrolling, much jank
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2023-03-30
|
| 1745274
|
|
Zoneminder camera streaming makes firefox unresponsive (multipart image) (MJPEG stream)
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2024-08-07
|
| 1747154
|
|
CalDav on Linux does not prompt for authentication
|
Calendar
|
General
|
nobody
|
UNCO
|
---
|
2023-05-03
|
| 1749202
|
|
WebGL transparent pixels conversion issue with toDataURL
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2024-06-11
|
| 1750247
|
|
Looping videos flicker black when uploading with WebGL
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2024-04-24
|
| 1750492
|
|
Bookmarks inside bookmark toolbar folders inconsistently jump to other monitor with middle click instead of opening in a new tab.
|
Core
|
Widget: Win32
|
nobody
|
UNCO
|
---
|
2022-09-30
|
| 1752138
|
|
MouseEvent movementX and movementY wrong after requestPointerLock() when display scale is different from 100%
|
Core
|
Widget: Win32
|
nobody
|
UNCO
|
---
|
2023-12-15
|
| 1753486
|
|
H3 upload speed on the same computer (zero-ping) too slow
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2024-02-06
|
| 1758515
|
|
Authorized H2 proxies break with websockets
|
Core
|
Networking: WebSocke
|
nobody
|
UNCO
|
---
|
2022-03-21
|
| 1758932
|
|
When customizing icons on the new tab page, the transparent channel is converted to either white or black
|
Core
|
Layout: Images, Vide
|
nobody
|
UNCO
|
---
|
2023-04-07
|
| 1759091
|
|
'save as/file select' window render broken on firefox
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2022-03-25
|
| 1759996
|
|
fetch issue with open connection
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2025-06-13
|
| 1760057
|
|
Firefox ESR version stops loading new tabs periodically
|
Core
|
DOM: Content Process
|
nobody
|
UNCO
|
---
|
2024-11-12
|
| 1762478
|
|
Firefox is off screen when display size increase in Windows 11
|
Core
|
Widget: Win32
|
nobody
|
UNCO
|
---
|
2022-11-23
|
| 1763436
|
|
Firefox will not start as snap when home is not default one
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2022-04-27
|
| 1765884
|
|
Fire <link rel=preload> error events if and only if network errors
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2024-06-21
|
| 1769362
|
|
spidermonkey-91 branch fails compile with gcc-12.1
|
Core
|
JavaScript Engine
|
nobody
|
UNCO
|
---
|
2024-04-23
|
| 1773533
|
|
Firefox does not respond to TLS alerts and leaves the user uninformed
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2022-06-15
|
| 1774211
|
|
"Start now" button in Gmail Workspace pop-up doesn't work
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2023-02-09
|
| 1774424
|
|
Wrong page displayed, Design is broken
|
Core
|
Networking: DNS
|
nobody
|
UNCO
|
---
|
2024-05-12
|
| 1778552
|
|
Allow changing user-agent when debugging Firefox for Android
|
DevTools
|
about:debugging
|
nobody
|
UNCO
|
---
|
2025-02-14
|
| 1780209
|
|
allow honoring REFRESH-INTERVAL (calendar specified refresh interval)
|
Calendar
|
Provider: CalDAV
|
nobody
|
UNCO
|
---
|
2022-11-15
|
| 1783288
|
|
Invalid S/MIME Digital Signatures with certain footer-signatures (involving )
|
MailNews Core
|
Security: S/MIME
|
nobody
|
UNCO
|
---
|
2023-09-14
|
| 1783424
|
|
end-to-end encryption error message should indicate if problem is with recipient or sending address
|
MailNews Core
|
Security: OpenPGP
|
nobody
|
UNCO
|
---
|
2023-04-22
|
| 1783464
|
|
confusing error message when switching to identity that doesn't have encryption configured and trying to send
|
MailNews Core
|
Security: OpenPGP
|
nobody
|
UNCO
|
---
|
2022-09-22
|
| 1783488
|
|
The "Card number" user input box does not display the password manager list.
|
Toolkit
|
Password Manager
|
nobody
|
UNCO
|
---
|
2025-05-19
|
| 1783513
|
|
DeviceFamily::QualcommAll does not include SC7180 Adreno 618 GPUs
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2024-02-15
|
| 1784043
|
|
Firefox seems to lose network connectivity after computer is inactive for some time or resumes from suspend
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2022-08-29
|
| 1786000
|
|
Resending a multipart/form-data request sends malformed body
|
DevTools
|
Netmonitor
|
nobody
|
UNCO
|
---
|
2023-07-26
|
| 1786444
|
|
TypeError: tab is undefined - getSourceTabs crash when debugging WebExtension
|
DevTools
|
Debugger
|
nobody
|
UNCO
|
---
|
2022-10-25
|
| 1792353
|
|
Hardware acceleration is making Firefox tab bar glitch in Windows 10
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2024-04-02
|
| 1792434
|
|
Add duplex property to Request
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2025-02-05
|
| 1792704
|
|
Firefox freezes on nvidia driver installation
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2022-11-08
|
| 1794080
|
|
102 will not connect to CardDav Resources - NS_ERROR_FAILURE: No directory for uri=jsaddrbook://abook-1.sqlite AddrBookManager.jsm:266
|
Thunderbird
|
Address Book
|
nobody
|
UNCO
|
---
|
2023-01-09
|
| 1795569
|
|
bookmarks bar empty when opening new window immediately after opening firefox on windows
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2024-04-02
|
| 1796198
|
|
PAC: Firefox fails to detect system PAC proxy change
|
Core
|
Networking: Proxy
|
nobody
|
UNCO
|
---
|
2024-05-26
|
| 1796904
|
|
Google search only functions intermittently after update to version 106
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2024-05-26
|
| 1796998
|
|
AbortSignal in ServiceWorker fetch results in network error
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2022-10-24
|
| 1797902
|
|
windy.com - colors missing from map layers
|
Core
|
Graphics: Color Mana
|
nobody
|
UNCO
|
---
|
2024-10-25
|
| 1798442
|
|
upload of file should continue after wifi reconnection
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2023-05-02
|
| 1799334
|
|
backdrop-filter doesn't blur remote <browser> element
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2025-07-01
|
| 1800701
|
|
On shared file systems browser.cache.disk.capacity reports hardware size, not user quota
|
Core
|
Networking: Cache
|
nobody
|
UNCO
|
---
|
2025-03-10
|
| 1800806
|
|
Maps and Sets are slower than native Objects or Arrays
|
Core
|
JavaScript Engine
|
nobody
|
UNCO
|
---
|
2025-07-07
|
| 1802773
|
|
Console doesn't remain scrolled to bottom on errors with stacktrace
|
DevTools
|
Console
|
nobody
|
UNCO
|
---
|
2024-08-06
|
| 1808407
|
|
[Session restore, Data loss] Outdated session loaded, sessionstore overwritten, tabs lost
|
Firefox
|
Session Restore
|
nobody
|
UNCO
|
---
|
2025-03-10
|
| 1808777
|
|
DOH Fallback mode not working: DNS Over HTTPS failing to resolve certain hostnames which resolve using DoH
|
Core
|
Networking: DNS
|
nobody
|
UNCO
|
---
|
2023-01-24
|
| 1809182
|
|
Resource timing: cross-origin IFrame fallback timing
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2025-06-09
|
| 1810514
|
|
setInterval() and setTimeout() timers not running if the Geckoview is backgrounded on Android
|
GeckoView
|
General
|
nobody
|
UNCO
|
---
|
2025-04-11
|
| 1810571
|
|
Windows SSO does not work on Windows Server 2016, but does work on Windows Server 2019+
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2023-02-21
|
| 1811377
|
|
"Blocked Page" with no explanation in F12 console, probably related to 'COEP: require-corp'
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2023-01-31
|
| 1812018
|
|
This reddit page with multiple playing videos causes slow compositing (worse than in Chrome)
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2025-03-10
|
| 1813355
|
|
The cached alternative service entries expire overly soon
|
Core
|
Networking: DNS
|
nobody
|
UNCO
|
---
|
2023-02-13
|
| 1813357
|
|
Why does thrid-party HTTP POST method bypass internal DNS cache?
|
Core
|
Networking: DNS
|
nobody
|
UNCO
|
---
|
2023-02-13
|
| 1815120
|
|
TLS is 4-5 times slower than Opera or Edge
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2024-05-17
|
| 1818546
|
|
Firefox 110 generating popup to authenticate to security token
|
Core
|
Security: PSM
|
nobody
|
UNCO
|
---
|
2023-03-10
|
| 1818665
|
|
Sticky positioning w/ transform between it and reference box glitches with perspective values other than none
|
Core
|
Web Painting
|
nobody
|
UNCO
|
---
|
2023-04-18
|
| 1819595
|
|
Tabs lost during software update
|
Firefox
|
Session Restore
|
nobody
|
UNCO
|
---
|
2025-03-10
|
| 1820324
|
|
Make the Unable to connect dialog more verbose (show the IP address for a remote server)
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2023-03-14
|
| 1820777
|
|
NavigationTiming values (domcomplete/domContentLoadedEnd/unloadEventEnd) are reported wrong
|
Core
|
DOM: Performance API
|
nobody
|
UNCO
|
---
|
2025-07-09
|
| 1822940
|
|
Firefox uses a lot of memory
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2023-03-17
|
| 1825137
|
|
Collaboration problem between FF and KDE/Plasma window manager : resize of window not possible any more
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2023-08-29
|
| 1825261
|
|
Completing a word by pressing space bar ends up deleting majority portion of the word typed (and sometimes making copies of the same word)
|
GeckoView
|
IME
|
nobody
|
UNCO
|
---
|
2024-12-01
|
| 1825474
|
|
Firefox window shown with border when using multiple displays with different DPIs
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2024-04-02
|
| 1825999
|
|
saved password displayed as suggestion (SECURITY ISSUE)
|
Toolkit
|
Password Manager
|
nobody
|
UNCO
|
---
|
2023-04-17
|
| 1827575
|
|
Nvidia/Linux: The Firefox window becomes unresponsive when loading a webpage with a bad connection
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2024-02-18
|
| 1828045
|
|
Copying image from RTF Editor eg. (macOS Notes app) pastes the Object Replacement character instead in Firefox
|
Core
|
DOM: Copy & Paste an
|
nobody
|
UNCO
|
---
|
2023-05-22
|
| 1828125
|
|
firefox extended release + google maps, shows a black screen, why and how to fix?
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2024-10-15
|
| 1828277
|
|
Web apps that make use of 3D rendering show a black screen in rendering window.
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2023-05-01
|
| 1835223
|
|
Update search (happens multiple times a day) leads to freeze of the browser
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2023-08-14
|
| 1835776
|
|
Continuous request to captive portal
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2023-12-13
|
| 1836790
|
|
AV1 8K 60fps decoding low performance with intel 11gen xe graphics card
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2024-04-10
|
| 1837357
|
|
Sending client cert causes no PSK info in the client hello, which makes the tls1.3 fail to resumption
|
NSS
|
Libraries
|
nobody
|
UNCO
|
---
|
2024-06-07
|
| 1837621
|
|
OCSP domain request go to system resolver even when network.trr.mode=3
|
Core
|
Networking: DNS
|
nobody
|
UNCO
|
---
|
2024-05-26
|
| 1838387
|
|
The space key won't insert a space character in a summary element inside an editable host element
|
Core
|
DOM: UI Events & Foc
|
nobody
|
UNCO
|
---
|
2023-06-28
|
| 1838429
|
|
OCSP requests use System Principal
|
Core
|
Security: PSM
|
nobody
|
UNCO
|
---
|
2024-05-26
|
| 1839095
|
|
preventDefault on touchmove event fails if listener is registered within passive listener
|
Core
|
DOM: Events
|
nobody
|
UNCO
|
---
|
2023-06-28
|
| 1840188
|
|
jittery video on youtube in nightly 116
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2025-03-10
|
| 1840384
|
|
Firefox 114.0.2 (64-bit) is broken (supposedly Javascript engine)
|
Core
|
Graphics: Canvas2D
|
nobody
|
UNCO
|
---
|
2023-06-26
|
| 1840397
|
|
GPU-Memory Leak
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2024-03-22
|
| 1842135
|
|
MartyPC Player slower in Firefox
|
Core
|
JavaScript: WebAssem
|
nobody
|
UNCO
|
---
|
2024-03-14
|
| 1842755
|
|
Colour management not working in Youtube videos with version 115
|
Core
|
Graphics: Color Mana
|
nobody
|
UNCO
|
---
|
2025-03-10
|
| 1843449
|
|
Intel iGPU Periodically Stutter the firefox Text Box Input & Page Scroll
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2024-03-22
|
| 1843898
|
|
Text is wrong on Nasdaq BoardVantage
|
Core
|
Internationalization
|
nobody
|
UNCO
|
---
|
2023-09-27
|
| 1845947
|
|
memory leak
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2023-08-14
|
| 1846906
|
|
When you open a link in Twitter with Firefox word spacing problems
|
Firefox for Android
|
Toolbar
|
nobody
|
UNCO
|
---
|
2024-02-27
|
| 1849829
|
|
[X11] tooltips aren't removed when cursor leaves window
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2025-04-09
|
| 1850574
|
|
Update Fx to make RS the default Anti-tracking list provider in place of Shavar
|
Toolkit
|
Safe Browsing
|
nobody
|
UNCO
|
---
|
2024-07-12
|
| 1852899
|
|
Skip IPv6 IP addresses from TRR response when the client does not support IPv6.
|
Core
|
Networking: DNS
|
nobody
|
UNCO
|
---
|
2023-09-15
|
| 1853167
|
|
Can't view website certificate if using a web proxy with authentication
|
Core
|
Networking: Proxy
|
nobody
|
UNCO
|
---
|
2025-06-13
|
| 1853171
|
|
Wrong error message for OCSP error when using proxy with authentication
|
Core
|
Networking: Proxy
|
nobody
|
UNCO
|
---
|
2025-04-30
|
| 1854289
|
|
fetch() with "omit" credentials matches Link preload with "same-origin" credentials
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2024-06-06
|
| 1854803
|
|
Constant crashes
|
Firefox for Android
|
General
|
nobody
|
UNCO
|
---
|
2024-01-11
|
| 1854815
|
|
Setting Firefox (Snap) as the default internet browser on Linux doesn't work when its `.desktop` file doesn't exist.
|
Firefox
|
Shell Integration
|
nobody
|
UNCO
|
---
|
2025-05-30
|
| 1855707
|
|
Firefox occasionally starts with a completely empty window
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2023-10-13
|
| 1857941
|
|
Firefox freeze and video is not smooth if playing video in more tabs
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2024-05-10
|
| 1858022
|
|
Scrolling jumps back and forth in the Facebook feed.
|
Core
|
Panning and Zooming
|
nobody
|
UNCO
|
---
|
2024-12-12
|
| 1858122
|
|
ETP Fingerprinters Blocking blocks api.geetest.com and static.geetest.com causing captcha in passport.bilibili.com couldn't load
|
Web Compatibility
|
Privacy: Site Report
|
nobody
|
UNCO
|
---
|
2025-06-17
|
| 1858536
|
|
Graphical glitch
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2023-11-20
|
| 1859637
|
|
Firefox deactivate the Alt-Gr key on some Virtual Machines
|
Web Compatibility
|
Site Reports
|
nobody
|
UNCO
|
---
|
2025-02-26
|
| 1863885
|
|
High heap-unclassified memory when looking at Cacti real-time graphs
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2024-01-04
|
| 1864170
|
|
render-stencil-large-viewport WebGL Conformance test triggers lockup and reset on Android Pixel 7
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2024-05-26
|
| 1864220
|
|
User profile tries to open something as an application link
|
Firefox
|
Sync
|
nobody
|
UNCO
|
---
|
2023-11-28
|
| 1865779
|
|
[wayland] input method window position lags behind
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2023-11-21
|
| 1867356
|
|
[KDE] Copy broken
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2024-03-07
|
| 1867468
|
|
My firefox takes a long time to boot with hardware acceleration on
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2024-05-09
|
| 1868987
|
|
HTTP/2 upload to nginx breaks down with low bandwidth even though data is still being sent
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2025-07-28
|
| 1869176
|
|
Disable login to captive portal not work
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2024-03-25
|
| 1869403
|
|
incredibly slow page load with "use system proxy" enabled without a system proxy
|
Core
|
Networking: Proxy
|
nobody
|
UNCO
|
---
|
08:29:20
|
| 1872336
|
|
Firefox Sync can set a valid key id as stale, breaking sync for all devices until password reset
|
Firefox
|
Sync
|
nobody
|
UNCO
|
---
|
2024-01-31
|
| 1873981
|
|
[Wayland] Firefox doesn't raise to the top when a link is clicked in other app or document
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2025-07-19
|
| 1874585
|
|
scaling interpolation doesn't handle single lines well
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2024-05-09
|
| 1874840
|
|
xhr with range header gets unreliable Content-Length (and different from other browsers) for 'text/plain' files
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2025-08-05
|
| 1876749
|
|
Problem with Active cursor mode and closing the site
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2025-02-22
|
| 1877657
|
|
After updating Firefox 121=>122 extreme cpu load and crash on startup with many tabs
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2024-03-14
|
| 1879785
|
|
Firefox should not sync autoscroll between systems
|
Firefox
|
Sync
|
nobody
|
UNCO
|
---
|
Mon 05:16
|
| 1880467
|
|
[Scale change] Firefox continues rendering windows on non-visible workspaces
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2025-02-17
|
| 1880534
|
|
Network limiter doesn't throttle websocket connections
|
Core
|
Networking: WebSocke
|
nobody
|
UNCO
|
---
|
2024-04-05
|
| 1880756
|
|
[X11/KDE] Navigation tab freezes
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2024-02-20
|
| 1880767
|
|
Support Webtransport draft-08
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2024-05-24
|
| 1881667
|
|
Screen turns black when scrolling a specific PDF
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2024-07-11
|
| 1881986
|
|
Limited bandwidth on Firefox with Firefox Multi-Account Containers extension
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-03-10
|
| 1882866
|
|
Server Sent Events fails to reconnect (reports CORS error)
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2025-08-05
|
| 1883145
|
|
crossOriginIsolated false in service worker when it should be true
|
Core
|
DOM: Service Workers
|
nobody
|
UNCO
|
---
|
2024-03-06
|
| 1885497
|
|
If Hardware acceleration is disabled with multiple monitors, going fullscreen for the first time is offset by a few pixels
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2025-06-17
|
| 1886145
|
|
Link rel preload not supported for track
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2024-08-05
|
| 1886698
|
|
WebConsole context menu doesn't have the "Copy" item
|
DevTools
|
Console
|
nobody
|
UNCO
|
---
|
2024-04-03
|
| 1889891
|
|
Network monitor offline mode doesn't block messages over active websocket connection
|
Core
|
Networking: WebSocke
|
nobody
|
UNCO
|
---
|
2024-05-24
|
| 1890743
|
|
[tablet_pad_handle_removed] Crash when laptop is suspended
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2024-04-12
|
| 1891715
|
|
Incorrect behavior for multiple headers (CORP, COOP, AC-*, COEP)
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2024-08-06
|
| 1891719
|
|
Lone LF (\n) in fetch response header triggers a timeout
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2025-08-05
|
| 1892374
|
|
`generateVMWrapper` doesn't ensure alignment of Value allocated on stack for the out parameter.
|
Core
|
JavaScript Engine: J
|
nobody
|
UNCO
|
---
|
2025-05-28
|
| 1897669
|
|
White Border with 150% scaled monitor
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2024-07-18
|
| 1898145
|
|
Credential Management API shouldn't allow method calls on non-fully active docs
|
Core
|
DOM: Credential Mana
|
nobody
|
UNCO
|
---
|
2024-06-06
|
| 1899207
|
|
shift click opens links twice on duckduckgo
|
Core
|
DOM: Core & HTML
|
nobody
|
UNCO
|
---
|
2025-02-26
|
| 1899225
|
|
"Server not found" when using Apple Private relay
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2024-06-11
|
| 1903351
|
|
Save As popup missing in Firefox Nightly 129. 0a1 (2024-06-18)
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2024-07-08
|
| 1903371
|
|
X and Y buttons are inverted on game pads in Firefox
|
Core
|
DOM: Device Interfac
|
nobody
|
UNCO
|
---
|
2025-08-14
|
| 1903975
|
|
Waiting for socket thread takes 3 s
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-04-25
|
| 1904057
|
|
error event doesn't fire for link elements with rel="preload"
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2024-06-25
|
| 1904140
|
|
[Wayland] Dragging a tab to a smaller monitor to create a new window results in a window that's too large for that monitor
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2024-12-06
|
| 1907347
|
|
[Arch] Since GTK3 3.24.42 firefox doesn't remember its size
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2025-05-31
|
| 1909105
|
|
Autofill not working with an excessive amount of accounts (more than 10 AFAIK)
|
Firefox for Android
|
Autofill
|
nobody
|
UNCO
|
---
|
2024-08-08
|
| 1909465
|
|
The site is unstable vk.com OOM
|
Core
|
General
|
nobody
|
UNCO
|
---
|
2025-01-20
|
| 1910313
|
|
Toolbar artifacts when going fullscreen and back
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2024-10-25
|
| 1910820
|
|
Laggy UI elements on Youtube
|
Core
|
JavaScript Engine
|
nobody
|
UNCO
|
---
|
2025-05-12
|
| 1911111
|
|
Alt-Svc header for Http3 is sometimes ignored in 128.0.3, unknown protocol h3
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-07-15
|
| 1911164
|
|
fetch request body does not support streams
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2025-02-18
|
| 1913049
|
|
Fluctuating download speed (as shown in download panel progress bar) and steadily dropping speed on certain sites
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-03-10
|
| 1913393
|
|
Firefox makes automatic connections to synced websites
|
Toolkit
|
Places
|
nobody
|
UNCO
|
---
|
2025-06-23
|
| 1913559
|
|
Extremely long first DNS request for local-only domains
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-08-19
|
| 1916441
|
|
IPv4 prioritized over IPv6 for local server
|
Core
|
Networking: DNS
|
nobody
|
UNCO
|
---
|
2025-06-15
|
| 1917168
|
|
User account cannot be verified when app is closed
|
Testing
|
General
|
nobody
|
UNCO
|
---
|
2024-09-20
|
| 1918728
|
|
XMLHttpRequest onprogress returns empty event if data preloaded
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2024-10-11
|
| 1921193
|
|
storageBarrier() in wgsl shader causes later firefox crash under specific conditions
|
Core
|
Graphics: WebGPU
|
nobody
|
UNCO
|
---
|
2024-11-05
|
| 1921989
|
|
Firefox does not invoke service worker fetch listener for video
|
Core
|
DOM: Service Workers
|
nobody
|
UNCO
|
---
|
2025-07-07
|
| 1922005
|
|
FileEntry.file() for Uploaded files within a folder results in empty mimetype
|
Core
|
DOM: File
|
nobody
|
UNCO
|
---
|
2025-04-07
|
| 1924544
|
|
Sync between Firefox Desktop and Firefox Android is inconsistent
|
Firefox for Android
|
Accounts and Sync
|
nobody
|
UNCO
|
---
|
2025-07-22
|
| 1925220
|
|
HTTP/2 WebSocket calculate wrong Authorization response for HTTP Digest auth
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2025-01-24
|
| 1927279
|
|
Firefox lookup for an IPv6-only name failed unless DoH is enabled
|
Core
|
Networking: DNS
|
nobody
|
UNCO
|
---
|
2024-11-04
|
| 1929814
|
|
Filter action Copy Move from IMAP to IMAP leads to dataloss. Not all messages are copied, if multiple messages are received at the same time.
|
Thunderbird
|
Filters
|
nobody
|
UNCO
|
---
|
2025-07-12
|
| 1930299
|
|
Loss of colour fidelity when video twice-inverted-with-CSS-filter
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2024-11-14
|
| 1930364
|
|
Full screen recording (Nvidia shadowplay) not working in 133 Beta and Stable
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2025-06-25
|
| 1930835
|
|
Websocket does not honor the HTTPS-RR result
|
Core
|
Networking: WebSocke
|
nobody
|
UNCO
|
---
|
2025-05-19
|
| 1931319
|
|
Up/Downscaling causes Artifacts in font
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2024-11-25
|
| 1931642
|
|
IBus candidate window covers text input
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2025-05-10
|
| 1932135
|
|
Calendar current day does not update automatically
|
Calendar
|
Calendar Frontend
|
nobody
|
UNCO
|
---
|
2025-08-25
|
| 1933356
|
|
DoH: DNS timings in PerformanceNavigationTiming interface are implausible short
|
Core
|
Networking: DNS
|
nobody
|
UNCO
|
---
|
2025-06-13
|
| 1934536
|
|
Wrong page is cached after botched DNS configuration, and is subsequently served after the DNS is fixed
|
Core
|
Networking: DNS
|
nobody
|
UNCO
|
---
|
2025-02-04
|
| 1935107
|
|
Firefox DevTools are not showing responses to fetch keep-alive requests
|
DevTools
|
General
|
nobody
|
UNCO
|
---
|
2025-01-31
|
| 1935110
|
|
Not all fetch keep-alive requests are showing in the devtools
|
DevTools
|
Netmonitor
|
nobody
|
UNCO
|
---
|
2025-05-19
|
| 1935880
|
|
Firefox freeze or crash when Hatena blog preview
|
Core
|
DOM: Service Workers
|
nobody
|
UNCO
|
---
|
2025-05-05
|
| 1936931
|
|
Video desyncs with audio after Youtube ads if Bluetooth headphones are used
|
Core
|
Audio/Video: Playbac
|
nobody
|
UNCO
|
---
|
2025-06-25
|
| 1937171
|
|
Firefox Android does not fully respect system language setting
|
GeckoView
|
General
|
nobody
|
UNCO
|
---
|
2025-04-01
|
| 1937334
|
|
can't save PDF from PDF viewer
|
Web Compatibility
|
Site Reports
|
nobody
|
UNCO
|
---
|
2025-04-07
|
| 1938785
|
|
`fetch()` and `AbortController` do not work with network throttling
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2025-01-07
|
| 1939152
|
|
Poor throughput performance with OpenSpeedTest
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-06-05
|
| 1940209
|
|
Remote debugging host
|
Remote Protocol
|
WebDriver BiDi
|
nobody
|
UNCO
|
---
|
2025-01-17
|
| 1940341
|
|
Firefox (Flatpak) randomly fails to launch [Wayland: Resource temporarily unavailable]
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2025-06-28
|
| 1941483
|
|
Accela Government Software - Required Use No Beuno with Firefox. Civic Plus Software Bug Report.
|
Web Compatibility
|
Site Reports
|
nobody
|
UNCO
|
---
|
2025-03-19
|
| 1944137
|
|
Raptor fails to rmdir and mkdir for browsertime-firefox-windowrecording with android
|
Testing
|
Raptor
|
nobody
|
UNCO
|
---
|
2025-01-27
|
| 1945323
|
|
guest.lifesize.com - Firefox is unsupported browser
|
Web Compatibility
|
Site Reports
|
nobody
|
UNCO
|
---
|
2025-05-27
|
| 1945387
|
|
google navigator go for maps go doesn't work
|
Firefox for Android
|
General
|
nobody
|
UNCO
|
---
|
2025-07-11
|
| 1946022
|
|
Firefox is forcing Token Validation Error on a website even after cookies are cleared.
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-08-12
|
| 1946736
|
|
Precise position is not precise / not based on GPS on android 14 & 15
|
Firefox for Android
|
General
|
nobody
|
UNCO
|
---
|
2025-02-24
|
| 1946928
|
|
PerformanceNavigationTiming measurement is incorrect when there was a service worker in background
|
Core
|
DOM: Performance API
|
nobody
|
UNCO
|
---
|
2025-07-07
|
| 1948627
|
|
[KDE] Firefox closes on trying to upload files from the local disk
|
Core
|
Widget: Gtk
|
nobody
|
UNCO
|
---
|
2025-02-19
|
| 1949338
|
|
YouTube Channel Banner Flickering Issue
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2025-07-31
|
| 1949716
|
|
High cpu usage during google meet meetings
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2025-04-24
|
| 1950507
|
|
Firefox crashes during video playback randomly, it doesn't crash all the time.
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2025-04-03
|
| 1950581
|
|
Firefox's SanitizeRenderer.cpp fails to recognize Adreno GPU for Surface Pro laptops
|
Core
|
Graphics: CanvasWebG
|
nobody
|
UNCO
|
---
|
2025-02-27
|
| 1951035
|
|
Unicode in devtools' network panel not rendering correct (seems wrong encoding)
|
DevTools
|
Netmonitor
|
nobody
|
UNCO
|
---
|
2025-03-05
|
| 1951398
|
|
SailPoint login redirect to simple auth dialog with hardened Firefox configuration
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2025-05-13
|
| 1956448
|
|
Busy loop in neqo_http3::send_message::SendMessage::send_headers
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-05-20
|
| 1959451
|
|
Add UI to forget HTTP Digest auth logins to the websites
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2025-06-19
|
| 1959811
|
|
`scroll-behavior: smooth` interacts poorly with `scroll-snap-type: x mandatory` and `scroll-snap-stop: always`, causing scroll to get stuck on some items
|
Core
|
Layout: Scrolling an
|
nobody
|
UNCO
|
---
|
2025-07-25
|
| 1960421
|
|
Connectivity loss on network change (protonVPN)
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-08-27
|
| 1960952
|
|
Ctrl+H opens history sidebar, then Ctrl+H again doesn't make the reduced sidebar go away
|
Firefox
|
Sidebar
|
nobody
|
UNCO
|
---
|
08:58:56
|
| 1962665
|
|
Firefox and Playready, video is black but audio is ok (dashjs)
|
Core
|
Audio/Video: Playbac
|
nobody
|
UNCO
|
---
|
2025-04-26
|
| 1962906
|
|
Consider sending cookies on "View Page Source"
|
Core
|
Networking: Cookies
|
nobody
|
UNCO
|
---
|
2025-08-05
|
| 1962929
|
|
Twitch uses HEVC/H.265 for 1440p and 2160p streams ("2K" / "4K")
|
Web Compatibility
|
Site Reports
|
nobody
|
UNCO
|
---
|
2025-05-06
|
| 1964081
|
|
Incorrect behaviour of premultiplyAlpha: "none" when loading a wgpu texture via copyExternalImageToTexture
|
Core
|
Graphics: WebGPU
|
nobody
|
UNCO
|
---
|
2025-05-20
|
| 1964286
|
|
I updated my App and now everytime i open cardmarket i am asked to choose a certificate. Not choosing one or one of the two does not fix it. It always comes back reloading the site.
|
Firefox for Android
|
General
|
nobody
|
UNCO
|
---
|
2025-07-02
|
| 1964932
|
|
firefox app on android (galaxy s21 ultra) asks to choose a certificate every time I try to access websites and confirming does not bypass the popup
|
Firefox for Android
|
General
|
nobody
|
UNCO
|
---
|
2025-07-03
|
| 1967106
|
|
Writing a comment on pages using Disqus cause strange behaviour
|
GeckoView
|
General
|
nobody
|
UNCO
|
---
|
2025-07-14
|
| 1967138
|
|
You can't visit websites due to how firefox handles certificates due to La Liga shit
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-06-24
|
| 1968067
|
|
Pulling down gesture triggered unintentionally
|
Firefox for Android
|
General
|
nobody
|
UNCO
|
---
|
2025-07-01
|
| 1968595
|
|
Firefox for Android clears form data when switching apps (Xiaomi Poco X4 Pro)
|
Firefox for Android
|
General
|
nobody
|
UNCO
|
---
|
2025-06-12
|
| 1968606
|
|
Repeated mailto handler prompts on Yahoo Mail
|
Web Compatibility
|
Site Reports
|
nobody
|
UNCO
|
---
|
2025-07-06
|
| 1970910
|
|
Intermittent error loading js chunk seemingly related to caching
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2025-08-07
|
| 1971042
|
|
High Shared GPU memory use reported in Task Manager
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2025-08-21
|
| 1971077
|
|
Firefox Fullscreen causes severe stutters and crashing of Games on other monitor (AMD)
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2025-08-11
|
| 1971159
|
|
GPU Process Memory Leak: Excess Memory Retained After Tab Closure
|
Core
|
Graphics
|
nobody
|
UNCO
|
---
|
2025-06-15
|
| 1971329
|
|
BrowserTestUtils.browserLoaded might resolve before STATE_STOP
|
Testing
|
Mochitest
|
nobody
|
UNCO
|
---
|
2025-07-09
|
| 1971762
|
|
freebsd 14.2 firefox nvidia freeze
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2025-06-16
|
| 1973119
|
|
reader.parse-on-load.enabled on android mobile not working
|
GeckoView
|
General
|
nobody
|
UNCO
|
---
|
2025-07-24
|
| 1973605
|
|
Copied text has frequent line breaks inserted when pasted into Notion
|
Web Compatibility
|
Site Reports
|
nobody
|
UNCO
|
---
|
2025-08-03
|
| 1973685
|
|
Gamma issue with an OLED screen on youtube when the video does not fit the screen ratio and has pillarbox (ex 18:9 on a 16:9)
|
Web Compatibility
|
Site Reports
|
nobody
|
UNCO
|
---
|
2025-07-14
|
| 1973736
|
|
out of memory from: server0.conn0.watcher3
|
DevTools
|
General
|
nobody
|
UNCO
|
---
|
2025-07-03
|
| 1974517
|
|
snap package firefox 140.0.1-1 defect
|
Firefox Build System
|
Third Party Packagin
|
nobody
|
UNCO
|
---
|
Fri 01:41
|
| 1976314
|
|
Firefox unable to load ridewithgps web page after recent update
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
Mon 12:49
|
| 1976654
|
|
Incorrectly showing "you must log in to the network before you can use the internet"
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-07-14
|
| 1976690
|
|
Client certificate selection is erratic in Firefox Nightly for Android 142.0a1
|
Core
|
Security: PSM
|
nobody
|
UNCO
|
---
|
2025-07-18
|
| 1977178
|
|
Uploading a screenshot using the ChatGPT sidebar extension causes it to appear blank if the image is too long. Shorter screenshots work fine, but longer ones fail to display properly.
|
Core
|
Machine Learning
|
nobody
|
UNCO
|
---
|
2025-08-05
|
| 1978084
|
|
Firefox keep loosing my data - deleted pins and open tabs
|
Firefox
|
Session Restore
|
nobody
|
UNCO
|
---
|
2025-08-25
|
| 1978240
|
|
NS_ERROR_PORT_ACCESS_NOT_ALLOWED for port 8081 (only sometimes)
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-07-21
|
| 1978244
|
|
The Video Freezes When Video Rewind. (AVC1) (Audio still playing, video freeze)
|
Core
|
Audio/Video: Playbac
|
nobody
|
UNCO
|
---
|
2025-07-28
|
| 1979018
|
|
WebGPU Write Memory Crash: SEGV on unknown address 0x000000000001
|
Core
|
Graphics: WebGPU
|
nobody
|
UNCO
|
---
|
2025-08-20
|
| 1979226
|
|
Firefox does not work after mac sequoia 15.4 update unless VPN is turned off.
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-08-05
|
| 1979556
|
|
Proxy Exception List Ignores Cyrillic Domain Names in "No Proxy For" Field (e.g., мвд.рф)
|
Core
|
Networking: Proxy
|
nobody
|
UNCO
|
---
|
2025-07-28
|
| 1980046
|
|
Inconsistent values for `urlclassifier.malwareTable`
|
GeckoView
|
General
|
nobody
|
UNCO
|
---
|
2025-08-11
|
| 1980132
|
|
ebay.com - Missing passkey support
|
Web Compatibility
|
Site Reports
|
nobody
|
UNCO
|
---
|
2025-08-25
|
| 1980891
|
|
Elements of GPURenderPassDescriptor.colorAttachments and GPURenderPipelineDescriptor.fragment.targets should be nullable
|
Core
|
Graphics: WebGPU
|
nobody
|
UNCO
|
---
|
2025-08-06
|
| 1981028
|
|
l.facebook.com - Redirect loop for all links in Firefox ESR 128.13.0
|
Core
|
Networking: DNS
|
nobody
|
UNCO
|
---
|
2025-08-15
|
| 1981483
|
|
[meta] Implement latest WebTransport drafts
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-08-19
|
| 1982620
|
|
Floating-point math in WGSL is incorrect
|
Core
|
Graphics: WebGPU
|
nobody
|
UNCO
|
---
|
2025-08-21
|
| 1983426
|
|
GetSecurityInfo inconsistently reports private DNS usage for different connections on the same page load
|
Core
|
Networking: DNS
|
nobody
|
UNCO
|
---
|
2025-08-22
|
| 1984032
|
|
Abort signal on fetch within SharedWorker with active ServiceWorker does not close TCP connections
|
Core
|
DOM: Networking
|
nobody
|
UNCO
|
---
|
2025-08-25
|
| 1984287
|
|
Strange behavior with links on Bing.com
|
Web Compatibility
|
Site Reports
|
nobody
|
UNCO
|
---
|
06:36:06
|
| 1984678
|
|
certificate dialog reappears after expired certificate
|
Core
|
Security: PSM
|
nobody
|
UNCO
|
---
|
Fri 05:21
|
| 1985971
|
|
Certificate selection appears on wrong tab after restart
|
Core
|
Security: PSM
|
nobody
|
UNCO
|
---
|
13:15:43
|
| 1986255
|
|
riscv64: Assertion failure: cx_->hadResourceExhaustion(), at js/src/jit/WarpOracle.cpp:212 when running some small loops
|
Core
|
JavaScript Engine: J
|
nobody
|
UNCO
|
---
|
09:01:53
|
| 1651983
|
|
Pocket recommendations disappeared
|
Firefox
|
New Tab Page
|
sdowne
|
UNCO
|
---
|
2020-08-27
|
| 1652237
|
|
Pocket recommendations appear after upgrade to FF 78
|
Firefox
|
New Tab Page
|
sdowne
|
UNCO
|
---
|
2020-10-14
|
| 1786712
|
|
password generator did not produce new password
|
Toolkit
|
Password Manager
|
sergey.galich
|
UNCO
|
---
|
2025-03-10
|
| 1808302
|
|
After focusing an email field, I have to click it again to get the Relay suggestion to show up
|
Toolkit
|
Password Manager
|
sergey.galich
|
UNCO
|
---
|
2023-01-03
|
| 1808548
|
|
on mac or windows, firefow doesn't show alerts about password or breached website, but it does on iOS
|
Toolkit
|
Password Manager
|
sergey.galich
|
UNCO
|
---
|
2023-02-06
|
| 1983386
|
|
Introduction of Local Network Access in Nightly breaks ability to perform Google O Auth from Becky! Internet Mail
|
Core
|
Networking
|
smayya
|
UNCO
|
---
|
2025-08-25
|
| 1586644
|
|
[KDE] The title bar is present even when disabled in Customise (Linux)
|
Core
|
Widget: Gtk
|
stransky
|
UNCO
|
---
|
2022-10-11
|
| 1580781
|
|
Firefox starts up slow when the local hostname cant be resolved
|
Core
|
Networking: DNS
|
valentin.gosu
|
UNCO
|
---
|
2022-11-30
|
| 1947621
|
|
Firefox is querying public nameservers for HTTPS RRs despite being on VPN and having DoH off
|
Core
|
Networking: DNS
|
valentin.gosu
|
UNCO
|
---
|
2025-06-03
|
| 1329486
|
|
Poor HTTPs performance. Firefox 50.1.0 windows vs Chrome. Speedtest
|
Core
|
Networking
|
acreskey
|
UNCO
|
---
|
2023-04-12
|
| 1841643
|
|
'tup' cookie causes laggy/janky Google Maps performance when dragging
|
Core
|
Performance: Respons
|
acreskey
|
UNCO
|
---
|
2025-07-10
|
| 1732986
|
|
High GPU power usage when scrolling with SWGL
|
Core
|
Graphics: WebRender
|
ahale
|
UNCO
|
---
|
2024-04-02
|
| 1908059
|
|
Unable to load library 'xul' when start app
|
Firefox Build System
|
Android Studio and G
|
ahochheiden
|
UNCO
|
---
|
2025-04-15
|
| 1594463
|
|
In-built English Speller Not Working Properly When Sentence not Terminated with a Space Character
|
Core
|
Spelling checker
|
aiunusov
|
UNCO
|
---
|
2024-06-04
|
| 1687119
|
|
Subtitle (WEBVTT) with a style is not correctly loaded (new issue from the last update?)
|
Core
|
Audio/Video: Playbac
|
alwu
|
UNCO
|
---
|
2021-01-16
|
| 1793477
|
|
AV1 Decoding in YouTube Stutters on AMD Windows Laptop
|
Core
|
Audio/Video
|
alwu
|
UNCO
|
---
|
2025-07-02
|
| 1798084
|
|
Firefox causes intel driver to stop working (Windows 8.1)
|
Core
|
Graphics
|
bwerth
|
UNCO
|
---
|
2022-11-16
|
| 1818577
|
|
YouTube TV DRM HDR content is broken, only in FireFox.
|
Core
|
Audio/Video: Playbac
|
bwerth
|
UNCO
|
---
|
2025-03-06
|
| 1844739
|
|
Bottom bar of YouTube cut off when entering full screen from native full screen on macOS
|
Core
|
Widget: Cocoa
|
bwerth
|
UNCO
|
---
|
2023-07-24
|
| 1912682
|
|
System freezes when running a full-screen video on one display, and using OS zoom on another
|
Core
|
Widget: Cocoa
|
bwerth
|
UNCO
|
---
|
2024-08-17
|
| 1924573
|
|
Visiting of the demo located on https://codepen.io/mayankleoboy1/full/wvbeZaG makes Firefox and macOS unresponsive
|
Core
|
Graphics: WebRender
|
bwerth
|
UNCO
|
---
|
2024-10-31
|
| 1961470
|
|
If video element is transform()ed, video's color changes depending on whether border-radius is applied.
|
Core
|
Graphics
|
bwerth
|
UNCO
|
---
|
2025-04-28
|
| 1887512
|
|
4:2:2 VP9 videos do not display correctly on arm64 macOS
|
Core
|
Audio/Video: Playbac
|
cchang
|
UNCO
|
---
|
2024-11-15
|
| 1661942
|
|
Gamepad API doesn't recognize Thrustmaster MFD gamepad
|
Core
|
DOM: Device Interfac
|
cmartin
|
UNCO
|
---
|
2024-10-03
|
| 1702276
|
|
Update fails with write but not delete permissions
|
Toolkit
|
Application Update
|
dmcintosh
|
UNCO
|
---
|
2025-05-14
|
| 1691189
|
|
Firefox not responding to mDNS request for WebRTC candidates
|
Core
|
WebRTC: Networking
|
docfaraday
|
UNCO
|
---
|
2024-12-03
|
| 1969386
|
|
navigator.clipboard.write with text/html unnecessarily wraps elements with extra <html> tags
|
Core
|
DOM: Serializers
|
echen
|
UNCO
|
---
|
2025-06-18
|
| 1740610
|
|
VoiceOver skips over text in paragraphs which contain <strong> or <em> tags
|
Core
|
Disability Access AP
|
eitan
|
UNCO
|
---
|
2024-09-19
|
| 1850446
|
|
navigator.requestMIDIAccess fails to work on file:// schema
|
Core
|
DOM: Device Interfac
|
gsvelto
|
UNCO
|
---
|
2024-08-30
|
| 1663386
|
|
Back / Forward gesture broken on macOS Catalina if Firefox started with gesture disabled
|
Core
|
Widget: Cocoa
|
haftandilian
|
UNCO
|
---
|
2024-09-19
|
| 1841530
|
|
Firefox default handler not working until "nudged" - flatpak/debian 12/114.0.2 (64-bit)
|
Core
|
Widget: Gtk
|
jhorak
|
UNCO
|
---
|
2023-10-06
|
| 1843683
|
|
libwidevinecdm.so requires libgcc_s.so even if Firefox does not
|
Core
|
Audio/Video: Playbac
|
jld
|
UNCO
|
---
|
2023-07-18
|
| 1712162
|
|
Videos with PCM and FP audio tracks won't play (properly)
|
Core
|
Audio/Video: Playbac
|
jolin
|
UNCO
|
---
|
2024-01-24
|
| 1732199
|
|
Infinite reload of 201, 203, 204 responses
|
Core
|
Audio/Video
|
jolin
|
UNCO
|
---
|
2024-05-29
|
| 1970924
|
|
user.displayName missing in authenticatorMakeCredential request
|
Core
|
DOM: Web Authenticat
|
jschanck
|
UNCO
|
---
|
2025-07-08
|
| 1921161
|
|
Add intercept keyboard event API for keyboard shortcut in browser (was Do not capture keyevent if webpage does not handle it)
|
GeckoView
|
IME
|
m_kato
|
UNCO
|
---
|
2025-05-30
|
| 1621812
|
|
Add the new firefox branding to snippets.cdn.mozilla.net
|
Snippets
|
Campaign
|
mxu
|
UNCO
|
---
|
2020-10-27
|
| 1861890
|
|
Launching non-default profile deletes background update task
|
Toolkit
|
Application Update
|
nalexander
|
UNCO
|
---
|
2024-12-02
|
| 41174
|
|
mailnewsimport category stuff uses categories slightly wrong
|
MailNews Core
|
Profile Migration
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 178721
|
|
[Customized xmodmap] Assignning keysymbols with numerics is not respected
|
Core
|
DOM: UI Events & Foc
|
nobody
|
UNCO
|
---
|
2023-06-08
|
| 186664
|
|
the different font size for monospace characters (the read window and beyond the edit window)
|
Core
|
Layout: Text and Fon
|
nobody
|
UNCO
|
---
|
2024-03-16
|
| 224970
|
|
"onresize" inline HTML event doesn't function on FRAME
|
Core
|
DOM: Events
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 225863
|
|
Disk cache size set in preferences is ignored
|
Core
|
Networking: Cache
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 324037
|
|
refresh reloads *everything* even items which have an expiry date in the future
|
Core
|
Networking: Cache
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 339681
|
|
Proxy authentication is required on Squid + NTLM on Linux/Mac, but not on Windows
|
Core
|
Networking: Proxy
|
nobody
|
UNCO
|
---
|
2024-02-20
|
| 339860
|
|
Request an Option to Make the Default Response to the 'Unresponsive Script' Dialog 'Continue' Instead of 'Stop Script'
|
Core
|
DOM: Core & HTML
|
nobody
|
UNCO
|
---
|
2023-05-16
|
| 354370
|
|
Viewing Blank Page Resets Encoding to UTF-8 Despite Default Settings in Prefs
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 408372
|
|
<canvas> canvas animation is jerky on Firefox 3 beta 1, Linux x86_64
|
Core
|
Graphics: Canvas2D
|
nobody
|
UNCO
|
---
|
2024-08-18
|
| 411517
|
|
XMLHttprequest loses authentication credentials on calls to different urls
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 429043
|
|
[Mac] Ctrl+y will not paste/yank text killed by ctrl+k (cocoa emacs keybinding)
|
Core
|
Widget: Cocoa
|
nobody
|
UNCO
|
---
|
2024-02-06
|
| 433364
|
|
DNS suffixes not parsed when Firefox used on company LAN
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2025-05-04
|
| 433730
|
|
ajust interface when OS is configured with big font (more than 16pt)
|
Firefox
|
Shell Integration
|
nobody
|
UNCO
|
---
|
2022-10-18
|
| 435837
|
|
proxy connection to NXDOMAIN using https gives Data Transfer Interrupted
|
Core
|
Networking: Proxy
|
nobody
|
UNCO
|
---
|
2024-02-20
|
| 447794
|
|
Certificate backups use RC2/40 encryption
|
Core
|
Security: PSM
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 463686
|
|
network.http.phishy-userpass-length feature claims password-protected site does not require password
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 473795
|
|
Deleting a server certificate exception should confirm the server name, not the certificate name
|
Core
|
Security: PSM
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 477803
|
|
redirect to location w/ utf-8 characters breaks URL/correct loading of the page
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 477982
|
|
Prompt for SSL client certificates appears at erratic times
|
Core
|
Security: PSM
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 487943
|
|
port 443 without url scheme should default to https, not http
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 511839
|
|
DNS prefetch peppers DNS server with queries for the same FQDN
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 512437
|
|
provide better error message when client cert authentication fails
|
Core
|
Security: PSM
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 512709
|
|
firefox sends wrong http basic auth credentials
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2024-10-21
|
| 519697
|
|
PDF Form POST from within Object tag sends two REFERER headers
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 520381
|
|
when choosing a different application to open a file the chosen application is ignored
|
Firefox
|
File Handling
|
nobody
|
UNCO
|
---
|
2023-05-15
|
| 523095
|
|
after a Google search leading to a trojan website, Firefox preloads the harmful website anyway
|
Toolkit
|
Safe Browsing
|
nobody
|
UNCO
|
---
|
2024-05-26
|
| 540602
|
|
Timer value is changed in non-ssl PRIVACY_ENCRYPTED, 400 bytes in test form url "http://bclary.com/projects/form-utils/form.pl?method=post"
|
Firefox
|
Session Restore
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 542405
|
|
prefetched content with cache-control/gzip causes browser encoding error
|
Core
|
Networking: Cache
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 542769
|
|
Bad DNS resolving using NTLM auth
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 567070
|
|
Using network.proxy.socks_remote_dns=true breaks browser.fixup.alternate
|
Core
|
Networking: Proxy
|
nobody
|
UNCO
|
---
|
2024-02-20
|
| 567822
|
|
would be good if negotiate-auth worked out of the box
|
Core
|
Networking
|
nobody
|
UNCO
|
---
|
2022-10-10
|
| 569570
|
|
HTTP doesn't remember IPv6 scope for further redirections
|
Core
|
Networking: HTTP
|
nobody
|
UNCO
|
---
|
2024-03-30
|
| 575476
|
|
Clicking "Never for This Site" button on "Save Password" dialog / dropdown saves site wide exception, but can be misunderstood as "never save this username/password for this site"
|
Toolkit
|
Password Manager
|
nobody
|
UNCO
|
---
|
2023-02-15
|
| 577035
|
|
Double request on button click (inside a tag)
|
Core
|
DOM: Core & HTML
|
nobody
|
UNCO
|
---
|
2024-05-31
|
| 577447
|
|
Favicon from last visited page remains active for new visited page with no favicon associated in windows taskbar
|
Firefox
|
General
|
nobody
|
UNCO
|
---
|
2025-03-26
|