| 2013721 |
Highlight text selection is slow/inconsistent when Windows 11 taskbar is hidden. |
ASSIGNED |
| 2013749 |
Testcase creating N empty text nodes is 380x slower in Nightly. |
NEW |
| 2013750 |
Testcase creating N empty textnodes and then appending them in bulk is 60x slower in Firefox |
NEW |
| 2013766 |
Firefox seems to have memory leaks when watching YouTube lives |
UNCONFIRMED |
| 2013886 |
Opening about:support janks the parent process for 600ms getting WebGL info |
NEW |
| 2013986 |
Refactor variations of nsLayoutUtils::IsAncestorFrame |
NEW |
| 2014160 |
Cache2 I/O thread 100% CPU due to O(n) linear search in CacheIndexIterator::RemoveRecord with large cache |
UNCONFIRMED |
| 2014262 |
Surface 'Translate' option higher in menu when selecting foreign text |
NEW |
| 2014280 |
RTC.IceConnectionStateChange callbacks can be slow |
NEW |
| 2014284 |
Remove leading slash from NewTabAttributionService endpoint variable |
NEW |
| 2014367 |
[Sample] Bug used as sample for testing file bug functionality in Perfherder |
NEW |
| 2014454 |
Minor but annoying bug in translation triggering. Prompted to translate a JSON API consisting of almost entirely numbers into norwegian. |
NEW |
| 2014525 |
CPU goes to 100%, OffscreenCanvasRenderingContext2D.fillText is calling gfxFontGroup::EnsureFontList & gfxFontGroup::AddFamilyToFontList on every call. |
UNCONFIRMED |
| 2014620 |
When the translation panel appears and I click the "Not now" button, when I refresh the site, this panel is no longer displayed. |
NEW |
| 2014639 |
Autocad Web crashes in firefox if webGPU is enabled. |
NEW |
| 2014677 |
Google Slides rendering unusably slow |
UNCONFIRMED |
| 2014840 |
Reduce memory allocations for filling simple paths (PathBuilder ops vector, Path) |
NEW |
| 2014930 |
./mach lint -l android-fenix is slow (runs heavy Gradle tasks / build steps) |
NEW |
| 2014989 |
Prototype DOM Tree Translation API |
NEW |
| 2014998 |
WebGPU error in Construct 3 on macOS |
UNCONFIRMED |
| 2015006 |
Testcase creating Map keys is 4x slower, and iterating them is 2x slower |
NEW |
| 2015083 |
Text size cannot be increased for Firefox-translations |
NEW |
| 2015166 |
Drawing a WebGPU canvas to a 2D canvas does a readback |
NEW |
| 2015175 |
Improve Memory summary verbosity and detail inclusion |
NEW |
| 2015256 |
Testcases with json operations are 10x-2x slower in Firefox |
NEW |
| 2015295 |
The "Translate Selection" dialog needs a "Replace button" |
NEW |
| 2015300 |
[wpt-sync] Sync PR 57640 - Don't divide by zero on perfect matches |
NEW |
| 2015308 |
Modified codepen demo (https://codepen.io/robbobfrh84/pen/qBZJbYz?editors=0010) is much slower in Firefox |
NEW |
| 2015309 |
Modified codepen demo (https://codepen.io/shubniggurath/pen/RNaWvdm?editors=0010) is slower in Firefox |
NEW |
| 2015334 |
numerous memory management issues in macOS touchbar support |
ASSIGNED |
| 2015355 |
fillRect with createLinearGradient becomes much slower after many iterations |
UNCONFIRMED |
| 2015358 |
Battery API doesn't exist |
UNCONFIRMED |
| 2015414 |
[Gemini translation] I am using Firefox Android Beta, and it shows that I am logged in; however, the app crashes when I click "Sign Out." |
UNCONFIRMED |
| 2015513 |
Include a performance tests for ml security layer allow path |
ASSIGNED |
| 2015602 |
Significant performance issue with complex SVG at blowfish.page |
UNCONFIRMED |
| 2015693 |
Update WebGPU CTS to new version eb9091d141e126fd9479a62aeceb927b73b6af47 from 2026-02-06 06:03:53 |
ASSIGNED |
| 2015700 |
Neither about:translations's source text area nor target language selector focused on page load |
NEW |
| 2015727 |
Quick action for Translate appears even for words that don’t match exactly |
NEW |
| 2015734 |
Translation boxes are not responsive and stack vertically when the window height is reduced |
NEW |
| 2015794 |
The l-beam cursor should not be displayed in the translation box |
NEW |
| 2015796 |
Ensure reference target observers are removed from labeled descendants of nearest ancestor label in nsLabeledNodeList |
UNCONFIRMED |
| 2015839 |
100% CPU usage when playing youtube video, all cores used - windows 11 |
UNCONFIRMED |
| 2015887 |
llama.cpp leaks ~500mb for each link preview performed until threads are exhausted |
NEW |
| 2015935 |
Adding Adaptive Performance Prefs to Nimbus Manifest |
ASSIGNED |
| 2015955 |
Large event jank from synchronous decoding of images in Kotlin-wasm application |
NEW |
| 2016129 |
[Linux] NTP scrolls up and down fast with productivity widgets enabled and lower vertical view for Firefox window |
NEW |
| 2016239 |
Memory leak: Compose SharedElement animation retains destroyed HomeActivity and HomeFragment via InputMethodManager → Recomposer → snapshotInvalidations |
NEW |
| 2016281 |
Finish responsiveness work on sidebar |
NEW |
| 2016317 |
Browser Privacy strict mode slower my firefox and cause some little freeze when open background tabs |
NEW |
| 2016500 |
translation is overwritten with original content when changing text size in accessibility settings |
NEW |
| 2016538 |
The scroll bar should appear in about:translations for very large texts |
NEW |
| 2016551 |
smartbar memory toggle should be conditionally shown |
NEW |
| 2016559 |
[wpt-sync] Sync PR 57759 - Improve performance of `margin-collapse-through-for-various-height-values.tentative.html` |
NEW |
| 2016768 |
Error message from WebGPU on 32-bit Windows implicates dxcompiler |
NEW |
| 2016802 |
Slack has two overlapping scrollbars: one is a dark gray rectangle, the other is light gray with rounded ends |
NEW |
| 2016822 |
about:memory hangs due to the string hasher |
NEW |
| 2016881 |
nsCocoaWindow.mm: Defensive memory management and a leak fix |
ASSIGNED |
| 2016889 |
nsDragService.mm: memory management improvements |
ASSIGNED |
| 2016891 |
GPUAdapter and GPUDevice Return Different Values than Chrome |
UNCONFIRMED |