| 2005911 |
Modified Codepen demo (https://codepen.io/armanb/pen/WbwmPrp) is 3.7x slower in Firefox, spending time around strings/allocation, MajorGC and MinorGC |
Core |
JavaScript Engine |
NEW |
Unspecified |
| 2005912 |
Tab note icon color is inconsistent with theme |
Firefox |
Tabbed Browser |
UNCONFIRMED |
Unspecified |
| 2005913 |
Background window cannot be immediately brought to foreground |
Core |
Widget: Cocoa |
UNCONFIRMED |
Unspecified |
| 2005914 |
Cannot scroll page immediately after closing a window |
Core |
Widget: Cocoa |
UNCONFIRMED |
Unspecified |
| 2005915 |
Codepen demo (https://codepen.io/neodigm24/pen/JoXZvwr?editors=0010) spends a lot of time around image loading |
Core |
Layout: Images, Video, and HTML Frames |
NEW |
Unspecified |
| 2005916 |
Login page does not validate username and password length |
Invalid Bugs |
General |
RESOLVED |
Unspecified |
| 2005917 |
Use Firefox logo for the Homepage tab in the tab tray and tap strip |
Firefox for Android |
Homepage |
ASSIGNED |
Android |
| 2005918 |
Correct reflow flag and remove an overflow area special case when reflowing fixed pos children in PageContentFrame |
Core |
Layout: Positioned |
ASSIGNED |
Unspecified |
| 2005919 |
Login page does not validate username length (1 character) |
Invalid Bugs |
General |
RESOLVED |
Unspecified |
| 2005920 |
Login page does not validate username length (100 characters) |
Invalid Bugs |
General |
RESOLVED |
Unspecified |
| 2005921 |
Login page does not validate password length (6 characters) |
Invalid Bugs |
General |
RESOLVED |
Unspecified |
| 2005922 |
Buttons in the tab bar get stuck in a hovered state when the cursor leaves the window |
Firefox |
Tabbed Browser |
UNCONFIRMED |
Unspecified |
| 2005923 |
Snap firefox spams apparmor denied message about /proc/pressure/memory |
Firefox Build System |
Third Party Packaging |
UNCONFIRMED |
Unspecified |
| 2005924 |
[wpt-sync] Sync PR 56731 - Classify physical-properties web feature |
Core |
CSS Parsing and Computation |
NEW |
All |
| 2005926 |
[wpt-sync] Sync PR 56732 - Classify document-colors web feature |
Core |
DOM: Core & HTML |
NEW |
All |
| 2005927 |
[wpt-sync] Sync PR 56733 - Classify document-write web feature |
Core |
DOM: Core & HTML |
NEW |
All |
| 2005928 |
Compile failures of firefox 146.0 |
Firefox Build System |
General |
UNCONFIRMED |
Linux |
| 2005929 |
Intermittent browser/components/backup/tests/marionette/test_backup.py | single tracking bug |
Firefox |
Profile Backup |
NEW |
Unspecified |
| 2005930 |
All subfolders are named the same ("Inbox" for instance) |
Thunderbird |
Untriaged |
UNCONFIRMED |
Unspecified |
| 2005931 |
browser.privateWindowSeparation.enabled doesn't work on Linux/Wayland |
Core |
Widget: Gtk |
UNCONFIRMED |
Unspecified |
| 2005932 |
[wpt-sync] Sync PR 56734 - Update Wasm tests |
Core |
JavaScript: WebAssembly |
NEW |
All |
| 2005933 |
Add a cache for converted images in the composer |
Thunderbird |
Message Compose Window |
NEW |
Unspecified |
| 2005934 |
Sticky positioning fails when the sticky view rectangle is less than the size of the border box of the sticky element |
Core |
Layout: Scrolling and Overflow |
ASSIGNED |
Unspecified |
| 2005936 |
The buttons from the add-ons are overlapping the other buttons from the browser window |
Firefox |
Toolbars and Customization |
NEW |
Unspecified |
| 2005937 |
Cannot use theme add-ons with Windows high contrast settings |
Firefox |
Disability Access |
UNCONFIRMED |
Unspecified |
| 2005938 |
Instant Evaluation: certain expressions with side-effects being evaluated while typing |
DevTools |
Console |
UNCONFIRMED |
Unspecified |
| 2005939 |
Microsec: - CT Logging mistakes |
CA Program |
CA Certificate Compliance |
UNCONFIRMED |
Unspecified |
| 2005940 |
Private mode badge on tab button has low contrast with light theme |
Firefox for Android |
Design System and Theming |
NEW |
Android |
| 2005941 |
Back button in settings has low contrast in private mode with light theme |
Firefox for Android |
Design System and Theming |
ASSIGNED |
Android |
| 2005942 |
quoted HTML text duplicates line breaks - missing plain text editor for inline quoting |
Thunderbird |
Message Compose Window |
UNCONFIRMED |
Unspecified |
| 2005943 |
nsHttpChannel::GetCacheEntryWriteHandle should check mAltDataCacheEntry |
Core |
Networking: Cache |
ASSIGNED |
Unspecified |
| 2005944 |
Make enhanced tracking protection easier to turn on |
Firefox for Android |
Privacy |
UNCONFIRMED |
Android |
| 2005945 |
Cookies are not being saved upon restarting Firefox |
Firefox |
Untriaged |
RESOLVED |
Unspecified |
| 2005946 |
Main problems with attachments |
MailNews Core |
General |
UNCONFIRMED |
Unspecified |
| 2005947 |
Current day doesn't update on calendar - 140.5.0 esr (64-bit) |
Calendar |
Calendar Frontend |
UNCONFIRMED |
Unspecified |
| 2005948 |
"New private navigation window" opens a normal window |
Core |
Widget: Win32 |
UNCONFIRMED |
Windows 11 |
| 2005949 |
After loading Bugzilla advanced search with several sections expanded, it takes time for the context menu to appear. |
Core |
Disability Access APIs |
NEW |
Windows 11 |
| 2005950 |
Intermittent browser/components/profiles/tests/browser/browser_preferences.js | single tracking bug |
Toolkit |
Startup and Profile System |
NEW |
Unspecified |
| 2005951 |
amazon.co.uk not fully loading images and login page |
Web Compatibility |
Site Reports |
UNCONFIRMED |
Windows 11 |
| 2005952 |
downloads.download() with blob:-URL may fail if the context unloads before download completes |
WebExtensions |
General |
NEW |
Unspecified |
| 2005953 |
Prevent automatic suspension of event page when downloads.download() is awaiting user input via file chooser |
WebExtensions |
General |
NEW |
Unspecified |
| 2005954 |
Support some analysis of GC/CC logs directly within about:memory |
Toolkit |
about:memory |
ASSIGNED |
Unspecified |
| 2005955 |
Firefox Profiler Flow Markers in neqo_glue |
Core |
Networking |
ASSIGNED |
Unspecified |
| 2005956 |
Enable private browsing Felt Privacy v1 pref by default (browser.privatebrowsing.felt-privacy-v1) |
Firefox |
Private Browsing |
NEW |
Unspecified |
| 2005957 |
No text input for Start & Due Date fields in New Task window |
Calendar |
Tasks |
UNCONFIRMED |
Unspecified |
| 2005958 |
Implement CSP keyword 'unsafe-webtransport-hashes' on connect-src |
Core |
Networking: HTTP |
NEW |
Unspecified |
| 2005959 |
Add WPT tests for CSP connect-src vs WebTransport |
Core |
Networking: HTTP |
ASSIGNED |
Unspecified |
| 2005960 |
Disable personalized keyboard learning when in private browsing mode |
Firefox for Android |
Privacy |
UNCONFIRMED |
Android |
| 2005961 |
Multi-select in History will display a checkmark that isn't colored properly |
Firefox for Android |
History |
ASSIGNED |
Android |
| 2005962 |
Add function get(key) to messenger.messages.tags |
Thunderbird |
Add-Ons: Extensions API |
ASSIGNED |
Unspecified |
| 2005963 |
downloads.download() unnecessarily requires an active browser window |
WebExtensions |
General |
ASSIGNED |
Unspecified |
| 2005964 |
Refactor selector builder to use SelectorData alias instead of ThinArc |
Core |
CSS Parsing and Computation |
ASSIGNED |
Unspecified |
| 2005965 |
Store the dynamic toolbar max height somewhere else for DevTools RDM |
DevTools |
Responsive Design Mode |
NEW |
Unspecified |
| 2005966 |
Reset the dynamic toolbar max/current height when leaving RDM |
DevTools |
Responsive Design Mode |
NEW |
Unspecified |
| 2005967 |
Intermittent /intersection-observer/svg-image.html | single tracking bug |
Core |
Layout |
NEW |
Unspecified |
| 2005969 |
Possible format-error in certdata.txt version from 2025-12-14 |
NSS |
CA Certificates Code |
UNCONFIRMED |
Unspecified |
| 2005970 |
Telemetry Alert for networking_http_channel_page_open_to_first_sent on 2025-12-05 |
Testing |
Performance |
NEW |
Unspecified |
| 2005971 |
Retry network requests when a corrupted dictionary is encountered |
Core |
Networking: Cache |
NEW |
Unspecified |
| 2005972 |
Dark mode uses dark font on dark background for local news site |
Core |
Layout: Text and Fonts |
UNCONFIRMED |
Unspecified |
| 2005973 |
Privacy Security Randomly Fails to Clear Cache When Set On Close |
Firefox |
Untriaged |
UNCONFIRMED |
Unspecified |
| 2005974 |
[meta] Compose Linters |
Firefox for Android |
Tooling |
NEW |
Android |
| 2005975 |
Add lint to enforce usage of compose-base IconButton |
Firefox for Android |
Tooling |
ASSIGNED |
Android |
| 2005976 |
Intermittent Assertion failure: !mOngoingNavigateEvent, at /builds/worker/checkouts/gecko/dom/navigation/Navigation.cpp:X |
Core |
DOM: Navigation |
NEW |
Unspecified |
| 2005977 |
XML Content not correctly formatted / parsed |
WebExtensions |
Untriaged |
UNCONFIRMED |
Unspecified |