| 1417669
|
|
High CPU load on Zhihu.com login page
|
Core
|
Graphics: Canvas2D
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1421148
|
|
CPU usage on idle YouTube video playback multiplies under High Performance power profile
|
Core
|
Audio/Video: Playbac
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1426204
|
|
More CPU / Power used on the page with many animated GIFs
|
Core
|
Graphics: ImageLib
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1427113
|
|
Very high CPU usage on mouse movement on Windows 10 (perf-html profile included)
|
Core
|
Panning and Zooming
|
nobody
|
UNCO
|
---
|
2022-10-11
|
| 1420699
|
|
Firefox uses a lot of CPU on MacOS
|
Core
|
General
|
nobody
|
UNCO
|
---
|
2022-11-02
|
| 1647079
|
|
mp4 video needs two times CPU load with Firefox than with Edge, why?
|
Core
|
Audio/Video: Playbac
|
nobody
|
UNCO
|
---
|
2023-01-27
|
| 1710472
|
|
WebRender Mac: large GPU power use when showing PDF inline
|
Core
|
Graphics: WebRender
|
nobody
|
UNCO
|
---
|
2024-04-02
|
| 1404042
|
|
[meta] Poor battery life on OSX with scaled resolution
|
Core
|
Graphics
|
nobody
|
NEW
|
---
|
2024-07-02
|
| 1678083
|
|
Investigate Using Low Power Cores for Some Threads on Apple Silicon
|
Core
|
Widget: Cocoa
|
nobody
|
NEW
|
---
|
2023-02-07
|
| 1698338
|
|
Ads on https://www.golem.de/ cause a permanent ~50% load of Firefox
|
Core
|
Performance
|
nobody
|
NEW
|
---
|
2022-09-15
|
| 1709175
|
|
Switch from select() to poll for MacOS to reduce CPU usage
|
Core
|
Networking
|
nobody
|
NEW
|
---
|
2024-06-14
|
| 1724429
|
|
Testing the bandwidth of a fast connection takes a lot of CPU in the Socket Thread
|
Core
|
Networking
|
nobody
|
NEW
|
---
|
2024-04-28
|
| 1749022
|
|
mdns_service thread remains active in the parent process
|
Core
|
WebRTC: Networking
|
padenot
|
NEW
|
---
|
2022-08-02
|
| 1682261
|
|
http://www.jabra.com.de claims up to 20% CPU load as background tab or when Firefox is hidden
|
Core
|
Audio/Video: Playbac
|
alwu
|
NEW
|
---
|
2023-01-27
|
| 1429728
|
|
50%+ CPU usage on newyorker.com with completely covered animated image
|
Core
|
Graphics: Layers
|
aosmond
|
NEW
|
---
|
2022-10-11
|
| 932602
|
|
Investigate using power saving hints in OS X libcubeb backends (TN2321)
|
Core
|
Audio/Video: cubeb
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 987124
|
|
High power consumption with WebGL
|
Core
|
Graphics: CanvasWebG
|
nobody
|
NEW
|
---
|
2023-02-04
|
| 1195790
|
|
[meta] YouTube uses a lot more power in FF than Safari on OS X
|
Core
|
Audio/Video: Playbac
|
nobody
|
NEW
|
---
|
2023-03-05
|
| 1197902
|
|
Reduce the number of CCTimerFired wakeups
|
Core
|
Cycle Collector
|
nobody
|
NEW
|
---
|
2023-01-30
|
| 1284368
|
|
consider aligning timers for background wndows
|
Core
|
DOM: Core & HTML
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1417221
|
|
Prevent background thumbnails from causing high CPU usage
|
Toolkit
|
General
|
nobody
|
NEW
|
---
|
2024-04-03
|
| 1420638
|
|
mac os default theme vibrancy may increase power usage
|
Core
|
Graphics
|
nobody
|
NEW
|
---
|
2022-10-15
|
| 1425916
|
|
Very high CPU usage on MacOS (profile included)
|
Core
|
Web Painting
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1471029
|
|
High cpu/gpu usage and hangs on page-http://telegra.ph/Telegram-X-03-26 & other pages
|
Core
|
Audio/Video: Playbac
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1485100
|
|
Consider to lower framerate (vsync rate) when running on battery
|
Core
|
Graphics
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1548683
|
|
Preloaded new tab page thinks it's visible and redraws when the window is resized
|
Firefox
|
New Tab Page
|
nobody
|
NEW
|
---
|
2024-04-09
|
| 1561124
|
|
[meta] powerPreference: 'default' heuristics
|
Core
|
Graphics: CanvasWebG
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1562636
|
|
Deprioritize all ad processes
|
Core
|
DOM: Content Process
|
nobody
|
NEW
|
---
|
2023-01-23
|
| 1574369
|
|
Offscreen paints cause composites
|
Core
|
Graphics: Layers
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1578122
|
|
Pause or throttle compositing in fully occluded or minimized windows
|
Core
|
Graphics
|
nobody
|
NEW
|
---
|
2022-10-15
|
| 1578123
|
|
Throttle the refresh driver in the parent process for occluded windows to reduce CPU
|
Core
|
Web Painting
|
nobody
|
NEW
|
---
|
2024-04-18
|
| 1673636
|
|
Slow script dialog is not shown when lots of new Javascript array objects being created
|
Core
|
XPConnect
|
nobody
|
NEW
|
---
|
2020-10-29
|
| 1683300
|
|
[meta] High CPU load (40% - 100%) caused by the top extensions loading animation on https://code.visualstudio.com/docs/
|
Core
|
Graphics: WebRender
|
nobody
|
NEW
|
---
|
2024-04-02
|
| 1683630
|
|
CPU spikes up to 70% when about:debugging page is open
|
DevTools
|
about:debugging
|
nobody
|
NEW
|
---
|
2024-02-27
|
| 1689164
|
|
[meta] Pre-allocated content processes are not always idle but consume a bit of CPU
|
Core
|
DOM: Content Process
|
nobody
|
NEW
|
---
|
2023-03-13
|
| 1690654
|
|
Detect no-op renders during frame building and avoid the render, to reduce power usage
|
Core
|
Graphics: WebRender
|
nobody
|
NEW
|
---
|
2024-04-01
|
| 1698644
|
|
CSS animation on https://www.reifen.de/ cause a permanent ~50% load of Firefox
|
Core
|
CSS Transitions and
|
nobody
|
NEW
|
---
|
2022-10-14
|
| 1700284
|
|
CSS pulse animation cause a ~25% CPU load of Firefox
|
Core
|
Graphics: WebRender
|
nobody
|
NEW
|
---
|
2023-01-27
|
| 1701437
|
|
Firefox uses 600% more CPU load for background-position animation than Safari
|
Core
|
Graphics: WebRender
|
nobody
|
NEW
|
---
|
2024-04-03
|
| 1704745
|
|
Inspector Animation panel causes a high CPU load (~100% for http://www.esprit.de) for updating animation status
|
DevTools
|
Inspector: Animation
|
nobody
|
NEW
|
---
|
2023-03-22
|
| 1719200
|
|
Playing video with firefox requires 2-3 times more power than playing it with mpv
|
Core
|
Audio/Video: Playbac
|
nobody
|
NEW
|
---
|
2022-02-11
|
| 1736916
|
|
[Meta] Firefox has bursts of activity every 5 minutes
|
Core
|
Performance
|
nobody
|
NEW
|
---
|
2023-04-03
|
| 1742656
|
|
The WinWindowOcclusionCalc thread uses a visible amount of CPU time
|
Core
|
Widget: Win32
|
nobody
|
NEW
|
---
|
2024-04-17
|
| 1744499
|
|
A single frame 'animated' GIF favicon causes 60Hz refresh driver ticks until the tab is closed
|
Core
|
Graphics
|
nobody
|
NEW
|
---
|
2022-10-07
|
| 1746156
|
|
A muted auto-play video keeps playing in a background tab
|
Core
|
Audio/Video
|
nobody
|
NEW
|
---
|
2022-01-03
|
| 1755864
|
|
Process using 100% of the CPU on the main thread recording infinite recursion error stacks
|
Core
|
XPCOM
|
nobody
|
NEW
|
---
|
2024-04-08
|
| 1770995
|
|
Unnecessary power use to play soundless video below the fold
|
Core
|
Audio/Video: Playbac
|
nobody
|
NEW
|
---
|
2022-09-01
|
| 1771078
|
|
Hidden CSS animation on AirMozilla (panopto.com) causes a 50% CPU load on main process
|
Core
|
CSS Transitions and
|
nobody
|
NEW
|
---
|
2022-06-05
|
| 1857505
|
|
Extension icon/badging updates should only run in visible/painting browser windows
|
WebExtensions
|
Frontend
|
nobody
|
NEW
|
---
|
2023-10-09
|
| 1894253
|
|
AWSY doesn't get rid of all mitmdump processes when hitting exceptions and when pressing ctrl-c
|
Testing
|
AWSY
|
nobody
|
NEW
|
---
|
2024-05-01
|
| 1700287
|
|
Listening to audio books on YouTube cause a 10% CPU load of rendering threads
|
Core
|
Graphics: WebRender
|
nobody
|
NEW
|
---
|
2024-04-03
|
| 475505
|
|
gloda should not index when the system is operating on battery power
|
MailNews Core
|
Database
|
nobody
|
NEW
|
---
|
2022-10-10
|
| 484119
|
|
performance/data-safety tradeoffs need improvement [battery]
|
MailNews Core
|
Database
|
nobody
|
NEW
|
---
|
2022-10-10
|
| 922874
|
|
Analyze power usage impact of most-used add-ons
|
Mozilla Metrics
|
Frontend Reports
|
nobody
|
NEW
|
---
|
2021-12-08
|
| 958566
|
|
gfxFontCache::WordCacheExpirationTimerCallback causes activity during idle
|
Core
|
Graphics: Text
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 971269
|
|
[meta] High power consumption when using the HTML5 player on Youtube.
|
Core
|
Audio/Video: Playbac
|
nobody
|
NEW
|
---
|
2023-03-06
|
| 972392
|
|
Canvas 2D has high power consumption on Linux
|
Core
|
Graphics: Canvas2D
|
nobody
|
NEW
|
---
|
2023-03-06
|
| 984961
|
|
CSS animation consumes a significant amount of power at 163.com
|
Core
|
Layout
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 993775
|
|
High CPU usage on a jsfiddle example
|
Core
|
General
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1103207
|
|
OMTA animations with lower FPS (steps) should not run the compositor at 60 FPS
|
Core
|
Graphics: Layers
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1112701
|
|
CSS animations cause many wakeups in Diablo sub-reddit
|
Core
|
Layout
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1179535
|
|
mouse movement during off-main-thread (OMT) animation causes unnecessary repainting
|
Core
|
CSS Parsing and Comp
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1189598
|
|
Finished CSS transition still added to pending restyles
|
Core
|
CSS Parsing and Comp
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1190719
|
|
High power usage on 8tracks.com
|
Core
|
Layout
|
nobody
|
NEW
|
---
|
2023-02-07
|
| 1190722
|
|
High power usage on BuzzFeed
|
Core
|
Layout
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1207014
|
|
refresh driver should use longer timers when its observers don't need frequent updates
|
Core
|
Layout
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1351755
|
|
Provide "Slight/Light/Low power/Battery saving/Battery saver" mode option
|
Core
|
Performance
|
nobody
|
NEW
|
---
|
2023-06-26
|
| 1689453
|
|
Animated arrow on https://www.augencentrum-dresden.de/ causes 20% extra CPU load in mozilla::wr::RenderThread::HandleFrameOneDoc
|
Core
|
Graphics: WebRender
|
nobody
|
NEW
|
---
|
2023-01-27
|
| 1696107
|
|
At least 100% higher CPU load when playing VP9 videos on YouTube compared to Safari (10% vs 20%)
|
Core
|
Graphics: WebRender
|
nobody
|
NEW
|
---
|
2024-04-02
|
| 1698365
|
|
https://www.digibank.co.il/ causes high CPU and power consumption
|
Core
|
Graphics: WebRender
|
nobody
|
NEW
|
---
|
2023-12-21
|
| 1708408
|
|
Up to 50% CPU load for animated (job is running) SVG on Github Actions page
|
Core
|
Graphics: WebRender
|
nobody
|
NEW
|
---
|
2022-10-10
|
| 1708971
|
|
Up to 160% CPU load due to SVG animations on https://feedly.com
|
Core
|
Graphics: WebRender
|
nobody
|
NEW
|
---
|
2023-01-27
|
| 1722583
|
|
Scrollbar fade animations run in various hidden places
|
Core
|
Layout
|
nobody
|
NEW
|
---
|
2024-01-31
|
| 1729633
|
|
Highlights in the scrollbar are incorrectly shown and constantly updated when searching within a large document
|
Core
|
Graphics: WebRender
|
nobody
|
NEW
|
---
|
2024-04-03
|
| 1735408
|
|
RetryEnableVsync 100ms timers fire continuously while screens are off (session locked)
|
Core
|
Graphics
|
nobody
|
NEW
|
---
|
2023-04-03
|
| 1748270
|
|
Let CompositorVsyncScheduler unobserve vsync faster
|
Core
|
Graphics: Layers
|
nobody
|
NEW
|
---
|
2023-12-11
|
| 1754796
|
|
Scrolling through the all tabs menu uses 100% of a core painting
|
Core
|
Graphics
|
nobody
|
NEW
|
---
|
2024-04-04
|
| 1766284
|
|
browser_click_bookmarks_on_toolbar.js keeps vsync enabled
|
Core
|
Layout
|
nobody
|
NEW
|
---
|
2022-10-11
|
| 1771902
|
|
Compositor CSS animations are not paused in fully occluded windows
|
Core
|
Graphics
|
nobody
|
NEW
|
---
|
2024-01-29
|
| 1777994
|
|
Blinking the caret in the Firefox location bar uses a lot more GPU power than in other browsers
|
Core
|
Graphics
|
nobody
|
NEW
|
---
|
2023-04-17
|
| 1794000
|
|
Videos in background tabs should stop playing
|
Core
|
Audio/Video: Playbac
|
nobody
|
NEW
|
---
|
2023-02-27
|
| 1794011
|
|
Could css transitions with a delay add their RefreshObserver at the end of the delay?
|
Core
|
CSS Transitions and
|
nobody
|
NEW
|
---
|
2022-10-06
|
| 1804893
|
|
>120% CPU load on https://web.arbeitsagentur.de/ausbildungssuche/ when scrolling through the page
|
Core
|
Layout
|
nobody
|
NEW
|
---
|
2024-04-08
|
| 1821864
|
|
Animated (SMIL) SVG favicon causes excessive CPU usage
|
Core
|
SVG
|
nobody
|
NEW
|
---
|
2024-02-12
|
| 1835735
|
|
LayerActivityTracker causes 4 wake-ups after every inactive refresh driver tick
|
Core
|
Web Painting
|
nobody
|
NEW
|
---
|
2024-02-20
|
| 1873217
|
|
Filtering entries in larger live logs in Taskcluster causes >100% CPU load
|
Taskcluster
|
General
|
nobody
|
NEW
|
---
|
2024-02-09
|
| 1814914
|
|
Ensure endless loop in background tabs is canceled
|
Core
|
DOM: Content Process
|
aiunusov
|
ASSI
|
---
|
2023-07-17
|
| 560067
|
|
animated images inside visibility:hidden still eat CPU
|
Core
|
Layout
|
emilio
|
ASSI
|
---
|
2024-02-19
|
| 784505
|
|
Fennec shouldn't use the GPS when the tab or app is in the background
|
Core
|
DOM: Geolocation
|
nobody
|
REOP
|
---
|
2022-10-10
|
| 1503259
|
|
Animated page load throbber causes a permanent ~9% CPU load for Renderer threads of the main process
|
Core
|
Graphics: WebRender
|
nobody
|
REOP
|
---
|
2024-04-02
|
| 1684482
|
|
Mouse events can be delayed by a couple of seconds (scroll, click)
|
Core
|
Graphics: WebRender
|
nobody
|
REOP
|
---
|
2024-04-02
|
| 1797832
|
|
Firefox has ~10x the energy impact on macOS Ventura 13.0 compared to macOS Monterey 12.6.1
|
Core
|
Widget: Cocoa
|
nobody
|
REOP
|
---
|
2022-12-29
|
| 693852
|
|
High GPU usage with constant status bar animation and direct2d, even when minimized or hidden
|
Thunderbird
|
Mail Window Front En
|
nobody
|
REOP
|
---
|
2022-10-10
|
| 968123
|
|
Hidden CSS background gif (completely covered by opaque child <img>) activates the refresh driver
|
Core
|
CSS Parsing and Comp
|
nobody
|
REOP
|
---
|
2024-02-19
|
| 1124325
|
|
simple colorflashing benchmark causes many wakeups
|
Core
|
Layout
|
nobody
|
REOP
|
---
|
2022-10-11
|
| 1260799
|
|
Infinite painting on verily.com
|
Core
|
Web Painting
|
nobody
|
REOP
|
---
|
2022-10-11
|
| 1656844
|
|
CSS rotation animation for embedded SVG on https://www.tim.pl uses 50% on main process
|
Core
|
Graphics
|
nobody
|
REOP
|
---
|
2022-07-26
|
| 1727584
|
|
CSS animation causing 60Hz restyles despite the current and next animation steps being identical
|
Core
|
CSS Transitions and
|
nobody
|
REOP
|
---
|
2022-03-02
|
| 1022164
|
|
[flame] High overdraw prevents us from using hardware composer
|
Core
|
Graphics: Layers
|
b56girard
|
RESO
|
FIXE
|
2014-10-29
|
| 1738926
|
|
Playing video in full screen causes excess WindowServer CPU usage
|
Core
|
Audio/Video: Playbac
|
bwerth
|
RESO
|
FIXE
|
2022-02-08
|
| 988511
|
|
Youtube does not use hardware composer in fullscreen with tiling enabled
|
Core
|
Graphics: Layers
|
chrislord.net
|
RESO
|
FIXE
|
2015-03-17
|
| 1049086
|
|
Camera App is not power friendly.
|
Firefox OS Graveyard
|
Gaia::Camera
|
dflanagan
|
RESO
|
FIXE
|
2014-08-22
|
| 1615498
|
|
After navigating away from cnn.com, GeckoView keeps receiving sensor events and wasting battery, and becomes unquittable
|
GeckoView
|
General
|
esawin
|
RESO
|
FIXE
|
2022-03-02
|
| 1026240
|
|
System app is abusing will-change
|
Firefox OS Graveyard
|
Gaia::System
|
etienne
|
RESO
|
FIXE
|
2014-10-29
|
| 1034347
|
|
System app is *still* abusing will-change
|
Firefox OS Graveyard
|
Gaia::System
|
etienne
|
RESO
|
FIXE
|
2014-10-29
|
| 1723188
|
|
about:preferences keeps the refresh driver ticking at 60Hz all the time
|
Firefox
|
Settings UI
|
florian
|
RESO
|
FIXE
|
2022-07-27
|
| 947617
|
|
Clock app consuming too much power
|
Firefox OS Graveyard
|
Gaia::Clock
|
jhylands
|
RESO
|
FIXE
|
2014-03-06
|
| 1419851
|
|
Off-main-thread animations do not throttle the main thread refresh driver with WebRender
|
Core
|
Graphics: WebRender
|
kats
|
RESO
|
FIXE
|
2018-04-17
|
| 1021400
|
|
Flame: disable ksmd because it shortens battery life drastically
|
Firefox OS Graveyard
|
GonkIntegration
|
lissyx+mozillians
|
RESO
|
INVA
|
2017-04-19
|
| 964026
|
|
[Sora][Dialer] Can't enter sleep when dialer is opened
|
Firefox OS Graveyard
|
Gaia::Dialer
|
nobody
|
RESO
|
DUPL
|
2014-01-26
|
| 1020000
|
|
Flame: Battery drains over night
|
Firefox OS Graveyard
|
Performance
|
nobody
|
RESO
|
WONT
|
2015-07-22
|
| 1214472
|
|
Buffering uses as much power as playing a video
|
Core
|
Audio/Video: Playbac
|
nobody
|
RESO
|
WORK
|
2016-01-28
|
| 1273206
|
|
enumDev/gUM starts RTP thread in 5ms loop
|
Core
|
WebRTC: Audio/Video
|
rjesup
|
RESO
|
FIXE
|
2016-09-16
|
| 952893
|
|
[B2G] AudioStream (from AudioDestinationNode) Continues to Write Silent Samples until Killing the Dialer App
|
Core
|
Web Audio
|
roc
|
RESO
|
FIXE
|
2014-08-12
|
| 1814961
|
|
Some pages trying to fetch fonts from eg fonts.gstatic.com never finish loading
|
Core
|
Networking
|
valentin.gosu
|
RESO
|
FIXE
|
2023-03-02
|
| 1686696
|
|
timeupdate event is fired possibly too often
|
Core
|
Audio/Video
|
alwu
|
RESO
|
FIXE
|
2022-03-02
|
| 1812694
|
|
videocontrols should not update the DOM for every timeupdate event
|
Toolkit
|
Video/Audio Controls
|
florian
|
RESO
|
FIXE
|
2023-04-18
|
| 1105509
|
|
OMTA-able animations not throttled for offscreen elements
|
Core
|
Layout
|
hikezoe.birchill
|
RESO
|
FIXE
|
2018-06-25
|
| 1237454
|
|
[Power] Optimize animations in visibility:hidden elements
|
Core
|
Layout
|
hikezoe.birchill
|
RESO
|
FIXE
|
2022-03-02
|
| 1419079
|
|
High CPU Firefox 57 & 59 on Mac: www.theguardian.com/uk, Firefox 52 ESR has low CPU
|
Core
|
DOM: Animation
|
hikezoe.birchill
|
RESO
|
FIXE
|
2018-04-02
|
| 1430884
|
|
Throttle transform animations on out of view element that the transform animation does not have 0% or 100% keyframe value
|
Core
|
DOM: Animation
|
hikezoe.birchill
|
RESO
|
FIXE
|
2022-03-02
|
| 972094
|
|
Modify the power tool to have no UI and a control socket/fifo
|
Powertool Graveyard
|
Software
|
huseby
|
RESO
|
WONT
|
2014-03-14
|
| 995301
|
|
integrate corredor module into powertool for event publishing
|
Powertool Graveyard
|
Software
|
huseby
|
RESO
|
WONT
|
2014-05-13
|
| 981050
|
|
merging jhylands, benwa, and dhuseby powertool code
|
Powertool Graveyard
|
Software
|
jhylands
|
RESO
|
FIXE
|
2014-04-08
|
| 1010638
|
|
[MADAI][Multimedia] During video playback, power consumption was higher than android.
|
Firefox OS Graveyard
|
Performance
|
jhylands
|
RESO
|
WONT
|
2016-03-14
|
| 1723233
|
|
Extra main thread runnables on every composite for ChromeProcessController::NotifyLayerTransforms
|
Core
|
Panning and Zooming
|
mleclair
|
RESO
|
FIXE
|
2022-03-02
|
| 1680855
|
|
It is possible to get into a state where fonts keep getting re-rasterized (glyph cache full?)
|
Core
|
Graphics: WebRender
|
mstange.moz
|
RESO
|
FIXE
|
2022-03-02
|
| 1724088
|
|
Don't notify ScrollbarActivity in scroll frames without scrollbars
|
Core
|
Layout: Scrolling an
|
mstange.moz
|
RESO
|
FIXE
|
2022-02-17
|
| 960623
|
|
Enable wifi power save mode
|
Firefox OS Graveyard
|
Wifi
|
nobody
|
RESO
|
DUPL
|
2014-08-18
|
| 995008
|
|
trigger profiler when powertool detects power spike.
|
Firefox OS Graveyard
|
Performance
|
nobody
|
RESO
|
WONT
|
2018-03-02
|
| 1013373
|
|
[ZTE Open C v1.2] - If an app is left open data and battery are used up
|
Firefox OS Graveyard
|
Gaia::E-Mail
|
nobody
|
RESO
|
WORK
|
2015-10-19
|
| 1036206
|
|
calling the Ring command causes the device's CPU to jump 10-15% with an increase in threads
|
Firefox OS Graveyard
|
FindMyDevice
|
nobody
|
RESO
|
WORK
|
2015-10-04
|
| 1052137
|
|
[Keyboard] About 5% higher CPU load on Flame device when keyboard is shown
|
Firefox OS Graveyard
|
Performance
|
nobody
|
RESO
|
WONT
|
2018-03-02
|
| 1052142
|
|
[Clock] About 50% CPU load on Flame device when using the stopwatch
|
Firefox OS Graveyard
|
Gaia::Clock
|
nobody
|
RESO
|
WONT
|
2018-03-02
|
| 1213582
|
|
Screen paint/refresh update issue on video element (even if pause video)
|
Core
|
Audio/Video: Playbac
|
nobody
|
RESO
|
FIXE
|
2016-04-22
|
| 1251977
|
|
Searchbar causes 25% CPU consumption if I open suggestions (100% str)
|
Firefox
|
Search
|
nobody
|
RESO
|
WORK
|
2017-01-09
|
| 1427432
|
|
High MAC Book Pro CPU when watching videos
|
Core
|
Audio/Video: Playbac
|
nobody
|
RESO
|
DUPL
|
2018-02-20
|
| 1571301
|
|
Refresh driver keeps firing at 60fps unnecessarily on this page
|
Core
|
Performance
|
nobody
|
RESO
|
WORK
|
2022-03-02
|
| 1575863
|
|
[10.15.0] Excessive battery drain after updating to macOS 10.15.0 19A536g
|
Core
|
Graphics
|
nobody
|
RESO
|
INCO
|
2023-02-22
|
| 1646976
|
|
High CPU load on macOS during file download
|
Firefox
|
Downloads Panel
|
nobody
|
RESO
|
INCO
|
2022-11-01
|
| 1689215
|
|
20% CPU overhead in the native event loop from CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*)
|
Core
|
Widget: Cocoa
|
nobody
|
RESO
|
DUPL
|
2022-11-01
|
| 1273009
|
|
[Web Audio API] CPU consumption is gradually increased when issue many AudioParam automation.
|
Core
|
Web Audio
|
padenot
|
RESO
|
FIXE
|
2016-08-03
|
| 1461239
|
|
Avoid doing repaints if animated properties haven't actually changed
|
Core
|
Graphics: WebRender
|
sotaro.ikeda.g
|
RESO
|
FIXE
|
2018-10-21
|
| 1015332
|
|
Youtube video playback in Browser is not using H/W composition.
|
Core
|
Graphics: Layers
|
sushilchauhan
|
RESO
|
DUPL
|
2014-08-18
|
| 1688128
|
|
Change the way of counting the time threshold for `timeupdate`
|
Core
|
Audio/Video
|
alwu
|
RESO
|
FIXE
|
2021-02-17
|
| 1444537
|
|
100% CPU usage due to what looks like GIF image decoding stuck in a loop
|
Core
|
Layout: Images, Vide
|
aosmond
|
RESO
|
FIXE
|
2018-08-29
|
| 1653417
|
|
[meta] Use AVSampleBufferDisplayLayer to display video frames on macOS
|
Core
|
Graphics
|
bwerth
|
RESO
|
FIXE
|
2021-10-27
|
| 1699039
|
|
Inspector Animation panel causes a high CPU load (80% for http://www.esprit.de) due to updates of the timer value
|
DevTools
|
Inspector: Animation
|
daisuke
|
RESO
|
FIXE
|
2021-06-01
|
| 1382886
|
|
socket thread consuming 80% CPU doing SSL polling
|
Core
|
Security
|
dd.mozilla
|
RESO
|
FIXE
|
2024-03-16
|
| 1530071
|
|
High CPU load on https://www.megamarsch.de/dresden due to invisible load spinner with opacity: 0
|
Core
|
CSS Transitions and
|
emilio
|
RESO
|
FIXE
|
2022-03-02
|
| 1768920
|
|
nsUserIdleService causes pointless CPU wake-ups every 5s
|
Core
|
Widget
|
florian
|
RESO
|
FIXE
|
2023-01-17
|
| 972096
|
|
Update marionette code to support the mozilla ammeter.
|
Powertool Graveyard
|
Software
|
huseby
|
RESO
|
WONT
|
2014-03-03
|
| 1653048
|
|
Use CoreAnimation for scaling and YUV conversion of video
|
Core
|
Graphics: WebRender
|
matt.woodrow
|
RESO
|
FIXE
|
2021-05-17
|
| 1696862
|
|
With Fission enabled Multi-Process Browser Toolbox hangs with 100% CPU load when trying to inspect browser element of WebExtension sidebar
|
DevTools
|
Inspector
|
nchevobbe
|
RESO
|
FIXE
|
2021-03-29
|
| 1066789
|
|
Implement a heuristic to replace dom.ipc.processCount
|
Core
|
DOM: Content Process
|
nobody
|
RESO
|
INCO
|
2021-10-04
|
| 1137995
|
|
research on power consumption shows privacy info leaks
|
Firefox OS Graveyard
|
General
|
nobody
|
RESO
|
INVA
|
2015-09-17
|
| 1277120
|
|
high cpu usage while downloading files or stream data
|
Core
|
Networking
|
nobody
|
RESO
|
WORK
|
2018-06-10
|
| 1413763
|
|
Hidden arrow panels keep trying to composite at 60fps
|
Core
|
Graphics: Layers
|
nobody
|
RESO
|
DUPL
|
2022-11-01
|
| 1420696
|
|
Some CSS cause high CPU usage by "recalculate style" (example: Amazon Seller Central, inventory)
|
Core
|
DOM: Animation
|
nobody
|
RESO
|
WORK
|
2018-04-16
|
| 1430966
|
|
Firefox app name seems strange (org.mozilla.firefox_beta) and shares battery usage data due to shared ID
|
Firefox for Android
|
General
|
nobody
|
RESO
|
INCO
|
2020-12-21
|
| 1440846
|
|
Firefox uses 60% of my CPU while downloading a file
|
Firefox
|
Downloads Panel
|
nobody
|
RESO
|
WORK
|
2023-10-11
|
| 1449267
|
|
High CPU & GPU load on www.theguardian.co.uk even after bug 1419079 fix
|
Core
|
DOM: Animation
|
nobody
|
RESO
|
FIXE
|
2018-06-27
|
| 1474942
|
|
new-scene-indicator shows activity on zdf.de even if the video itself is the only visible change
|
Core
|
Graphics: WebRender
|
nobody
|
RESO
|
WORK
|
2022-08-03
|
| 1494999
|
|
Reddit AMA intermittently uses 1 full core
|
Core
|
Graphics: WebRender
|
nobody
|
RESO
|
WORK
|
2020-03-27
|
| 1519908
|
|
[meta] Track power usage on Windows ARM64
|
Testing
|
Performance
|
nobody
|
RESO
|
WONT
|
2023-07-26
|
| 1539043
|
|
Reduce / remove copy and memory allocation when using RemoteDataDecoder (decoder side)
|
Core
|
Audio/Video: Playbac
|
nobody
|
RESO
|
FIXE
|
2022-01-26
|
| 1570023
|
|
High cpu consumption on you tube playback with nvidia driver and webrender enabled on linux
|
Core
|
Graphics: WebRender
|
nobody
|
RESO
|
WORK
|
2023-10-31
|
| 1571551
|
|
Disable component alpha Layers when using a retina display on OSX
|
Core
|
Graphics: Layers
|
nobody
|
RESO
|
INVA
|
2022-03-25
|
| 1590729
|
|
High CPU load on https://www.veneziaunica.it/e-commerce/services
|
Core
|
CSS Parsing and Comp
|
nobody
|
RESO
|
DUPL
|
2022-06-07
|
| 1613203
|
|
Install Intel Power Gadget on all desktop hardware systems.
|
Testing
|
Performance
|
nobody
|
RESO
|
WONT
|
2023-02-27
|
| 1628913
|
|
WebRender cause 100% CPU usage while monitor is off (DPMS) on Linux with NVIDIA drivers
|
Core
|
Graphics: WebRender
|
nobody
|
RESO
|
WORK
|
2021-09-27
|
| 1645298
|
|
[meta] Measure and publish power usage
|
Testing
|
Performance
|
nobody
|
RESO
|
FIXE
|
2023-07-26
|
| 1673184
|
|
VP8+9 VAAPI don't work anymore unless media.rdd-vpx.enabled:false is added to the existing configuration
|
Core
|
Audio/Video: Playbac
|
nobody
|
RESO
|
DUPL
|
2021-08-06
|
| 1676115
|
|
Fan starts spinning doing a BigBlueButton video conference
|
Core
|
Audio/Video
|
nobody
|
RESO
|
WORK
|
2022-01-25
|
| 1690669
|
|
Too much CPU usage spent in the native event loop when it is woken up by another thread
|
Core
|
Widget: Cocoa
|
nobody
|
RESO
|
WORK
|
2022-11-01
|
| 1700945
|
|
Periodic >100% CPU spikes of Firefox when machine is in sleep mode
|
Core
|
Performance
|
nobody
|
RESO
|
WORK
|
2023-03-01
|
| 1712854
|
|
Track native window occlusion state and use it to save resources (was: Document visibility is not hidden when an application is overlayed on top of a browser tab)
|
Core
|
DOM: UI Events & Foc
|
nobody
|
RESO
|
DUPL
|
2021-08-31
|
| 1752753
|
|
Firefox seldom pins GPU to 100% in linux
|
Core
|
Graphics
|
nobody
|
RESO
|
WORK
|
2023-10-31
|
| 1647161
|
|
Make Win32 nsWindow cloaking-aware on Windows 8+
|
Core
|
Widget: Win32
|
rkraesig
|
RESO
|
FIXE
|
2022-06-07
|
| 1648799
|
|
[WR/EGL/Linux] Enable partial present by default
|
Core
|
Graphics: WebRender
|
robert.mader
|
RESO
|
FIXE
|
2020-10-03
|
| 1239899
|
|
High CPU usage when replacing video element using innerHTML clones hidden video element
|
Core
|
Audio/Video: Playbac
|
suro001
|
RESO
|
FIXE
|
2016-10-05
|
| 1420608
|
|
very high CPU / GPU / power use on page with mp4 videos (all playing at the same time, autoplay)
|
Core
|
Audio/Video: Playbac
|
suro001
|
RESO
|
FIXE
|
2017-12-28
|
| 952238
|
|
[meta] Reduce power consumption during audio P2P calls on FxOS
|
Core
|
WebRTC
|
nobody
|
RESO
|
INCO
|
2015-10-15
|
| 970927
|
|
High power consumption on Forbes while idling, with CSS transition on 'transform' for an element inside of a "top: 3000px" subtree
|
Core
|
Layout
|
nobody
|
RESO
|
INCO
|
2023-06-05
|
| 979119
|
|
[meta][project] Firefox for Android power consumption
|
Firefox for Android
|
General
|
nobody
|
RESO
|
INCO
|
2022-11-21
|
| 1261563
|
|
firefox version 45.0.1 slow downs my internet .
|
Firefox
|
Untriaged
|
nobody
|
RESO
|
INCO
|
2016-04-02
|
| 1633320
|
|
Using VAAPI does not reduce CPU usage on Ivy-Bridge laptop (Intel HD Graphics 4000 (IVB GT2))
|
Core
|
Audio/Video: Playbac
|
nobody
|
RESO
|
WORK
|
2023-07-20
|
| 1333384
|
|
100% CPU on stream transport thread in nsTemporaryFileInputStream::ReadSegments / nsTemporaryFileInputStream::ReadSegments busy loops if it encounters unexpected end-of-file
|
Core
|
Networking
|
amarchesini
|
RESO
|
FIXE
|
2017-02-17
|
| 1216287
|
|
FPS counter causes OMTVideo to render at 60 FPS
|
Core
|
Graphics: Layers
|
b56girard
|
RESO
|
FIXE
|
2015-10-20
|
| 1264398
|
|
[e10s] Copying a image causes 100% core CPU usage. And Nightly becomes unresponsive and hangs with 100% core CPU when switching tabs
|
Core
|
IPC
|
bill.mccloskey
|
RESO
|
FIXE
|
2016-05-05
|
| 1115061
|
|
BackgroundHangMonitor is active even when Telemetry is disabled
|
Core
|
XPCOM
|
birunthan
|
RESO
|
FIXE
|
2015-01-13
|
| 1739908
|
|
bad GPU performance regression on Intel since Firefox 94 with Canvas2D
|
Core
|
Graphics: WebRender
|
bobowencode
|
RESO
|
FIXE
|
2021-12-14
|
| 506815
|
|
Get rid of MouseTrailer
|
Core
|
Widget: Win32
|
chutten
|
RESO
|
FIXE
|
2018-02-22
|
| 1209405
|
|
High CPU load on Kickstarter, even without JS, CSS and images
|
Core
|
SVG
|
daisuke
|
RESO
|
FIXE
|
2016-12-21
|
| 1220637
|
|
High (100%) cpu usage after returning from hibernation (MessagePumpForNonMainThreads involved)
|
Core
|
Networking
|
daniel
|
RESO
|
WORK
|
2016-03-09
|
| 1149848
|
|
repeated layer activity cycles due to throttled off-main-thread animations
|
Core
|
Layout
|
dbaron
|
RESO
|
FIXE
|
2015-12-01
|
| 1717360
|
|
Constant SSL negotiations caused by tawk.to and Fission
|
Core
|
Networking
|
dd.mozilla
|
RESO
|
FIXE
|
2021-07-05
|
| 1002632
|
|
SVG-as-an-image document containing animateTransform continues to spin its RefreshDriver after tab is closed
|
Core
|
Layout
|
dholbert
|
RESO
|
FIXE
|
2014-12-05
|
| 1270295
|
|
don't update timestamps when the tab is not active / in the background
|
bugzilla.mozilla.org
|
User Interface
|
dkl
|
RESO
|
FIXE
|
2019-10-15
|
| 1427033
|
|
Throttle animations in 0-opacity element subtree
|
Core
|
DOM: Animation
|
emilio
|
RESO
|
FIXE
|
2024-02-11
|
| 1693176
|
|
CSS animations in hidden panels cause the refresh driver to keep ticking
|
Core
|
DOM: Animation
|
emilio
|
RESO
|
FIXE
|
2022-03-02
|
| 1724405
|
|
The caret blinking forever wastes CPU/power
|
Core
|
Layout
|
emilio
|
RESO
|
FIXE
|
2022-11-21
|
| 1779559
|
|
Consider making `document.visibilityState` work in chrome docs (reflect window occlusion)
|
Core
|
DOM: Core & HTML
|
emilio
|
RESO
|
FIXE
|
2023-11-09
|
| 965392
|
|
BackgroundHangManager causes many wakeups
|
Core
|
XPCOM
|
florian
|
RESO
|
FIXE
|
2023-02-17
|
| 1742842
|
|
Ensure VSync is disabled at the end of automated browser chrome tests
|
Core
|
Graphics
|
florian
|
RESO
|
FIXE
|
2023-07-04
|
| 1101182
|
|
Firefox is unusably janky & pegs the CPU, with Web of Trust & large Facebook timeline, due to ~3x perf regression from e10s shim functions (in non-e10s session)
|
Core
|
XPConnect
|
gkrizsanits
|
RESO
|
FIXE
|
2015-05-04
|
| 1166500
|
|
[Power] Invisible Paint-only CSS animations are still restyled every refresh driver tick
|
Core
|
Layout
|
hikezoe.birchill
|
RESO
|
FIXE
|
2018-02-07
|
| 1190721
|
|
Throttle transform animations that the target element is scrolled out from view
|
Core
|
DOM: Animation
|
hikezoe.birchill
|
RESO
|
FIXE
|
2023-06-28
|
| 1742797
|
|
composites happen at 60Hz until the browser window is closed after showing an arrowpanel
|
Core
|
Graphics: Layers
|
hikezoe.birchill
|
RESO
|
FIXE
|
2022-11-01
|
| 980033
|
|
remove numpy dependency to ease installation
|
Powertool Graveyard
|
Software
|
huseby
|
RESO
|
FIXE
|
2014-03-05
|
| 1736868
|
|
A gfxFontCache::gfxFontCache timer wakes up idle content processes every 60s
|
Core
|
Layout: Text and Fon
|
jfkthame
|
RESO
|
FIXE
|
2022-11-01
|
| 1191334
|
|
High CPU usage on Nightly42.0a1 than Aurora41.0a2
|
Core
|
Audio/Video: Playbac
|
jya-moz
|
RESO
|
DUPL
|
2015-08-06
|
| 962594
|
|
[Power] Invisible CSS animations (on 'display:none' elements) activate the refresh driver
|
Core
|
Layout
|
kats
|
RESO
|
FIXE
|
2019-08-12
|
| 1370027
|
|
Runaway subprocess_worker_unix.js worker thread is pegging an entire CPU
|
Toolkit
|
Async Tooling
|
kmaglione+bmo
|
RESO
|
FIXE
|
2022-03-02
|
| 995287
|
|
Static completed progressbar triggers 20 FPS recomposites
|
Core
|
Layout
|
mstange.moz
|
RESO
|
FIXE
|
2014-05-13
|
| 1331402
|
|
Animated plugins in background tabs do CALayer updates and cause wakeups
|
Core Graveyard
|
Plug-ins
|
mstange.moz
|
RESO
|
FIXE
|
2022-05-16
|
| 1562032
|
|
Implement progress bar in the Dock icon in a different way in order to save CPU
|
Core
|
Widget: Cocoa
|
mstange.moz
|
RESO
|
FIXE
|
2023-02-08
|
| 1690653
|
|
No-op composites spend too much time in CoreAnimation
|
Core
|
Widget: Cocoa
|
mstange.moz
|
RESO
|
FIXE
|
2022-03-02
|
| 581607
|
|
Animated Personas can cause a high cpu load
|
Core
|
Graphics: WebRender
|
nobody
|
RESO
|
WONT
|
2022-04-11
|
| 846315
|
|
Firefox consumes high CPU with background-size: cover
|
Core
|
Graphics: ImageLib
|
nobody
|
RESO
|
FIXE
|
2014-11-24
|
| 927377
|
|
Huge CPU use on http://frozenbyte.com/ with image high-quality downscaling enabled
|
Core
|
Graphics: ImageLib
|
nobody
|
RESO
|
WORK
|
2015-10-19
|
| 953037
|
|
100% CPU Load, no JS, CSS only. Bootstrap 3.0.3. Probably faulty page rendering engine
|
Core
|
Graphics: ImageLib
|
nobody
|
RESO
|
WORK
|
2015-10-18
|
| 961475
|
|
High CPU usage on mynoise.net/NoiseMachines/whiteNoiseGenerator.php
|
Core
|
Audio/Video
|
nobody
|
RESO
|
WORK
|
2015-10-12
|
| 969325
|
|
High power consumption on Instagram while idling
|
Core
|
Graphics
|
nobody
|
RESO
|
FIXE
|
2014-10-12
|
| 971005
|
|
High power consumption on Fiverr while idling
|
Firefox
|
General
|
nobody
|
RESO
|
DUPL
|
2014-02-11
|
| 971018
|
|
High power consumption on Tripadvisor while idling
|
Firefox
|
General
|
nobody
|
RESO
|
DUPL
|
2014-02-11
|
| 972473
|
|
High power consumption with Google+ button
|
Core
|
Layout
|
nobody
|
RESO
|
WORK
|
2021-05-03
|
| 972482
|
|
High energy consumption in SVG animation (with animateTransform)
|
Core
|
SVG
|
nobody
|
RESO
|
DUPL
|
2015-10-08
|
| 976058
|
|
Reduce wakeup overhead due to spinning wheel on tab load
|
Core
|
Layout
|
nobody
|
RESO
|
DUPL
|
2023-03-06
|
| 978134
|
|
Stop blinking cursor in text box after N seconds of inactivity
|
Core
|
General
|
nobody
|
RESO
|
DUPL
|
2022-11-21
|
| 980070
|
|
90% CPU load in parent after re-opening message app
|
Firefox OS Graveyard
|
Gaia::SMS
|
nobody
|
RESO
|
INCO
|
2014-04-15
|
| 984396
|
|
High power consumption on animation from old Vimeo homepage (no video)
|
Core
|
Graphics: Canvas2D
|
nobody
|
RESO
|
INCO
|
2022-11-21
|
| 986423
|
|
Invisible animated gif activates the refresh driver
|
Core
|
Graphics: ImageLib
|
nobody
|
RESO
|
DUPL
|
2014-03-24
|
| 986552
|
|
Slightly higher power consumption on Instagram homepage
|
Firefox
|
General
|
nobody
|
RESO
|
WONT
|
2015-10-08
|
| 987169
|
|
High power consumption on Netflix homepage
|
Firefox
|
General
|
nobody
|
RESO
|
DUPL
|
2014-03-24
|
| 987212
|
|
Invisible gif (visibility: hidden) activates the refresh driver
|
Core
|
CSS Parsing and Comp
|
nobody
|
RESO
|
WORK
|
2021-04-13
|
| 1013224
|
|
Flickering (continuously-invalidated) background image using background-size
|
Core
|
Graphics: ImageLib
|
nobody
|
RESO
|
FIXE
|
2014-09-23
|
| 1022158
|
|
[flame] Camera preview does not use hardware composer with tiling enabled
|
Core
|
Graphics: Layers
|
nobody
|
RESO
|
INVA
|
2014-06-11
|
| 1026670
|
|
nextchessmove.com consuming high cpu usage
|
Core
|
Graphics: ImageLib
|
nobody
|
RESO
|
FIXE
|
2015-08-11
|
| 1038752
|
|
High energy usage on Huffington Post
|
Core
|
Graphics
|
nobody
|
RESO
|
INCO
|
2021-04-14
|
| 1167833
|
|
Detect add-ons/compartments that eat CPU while the computer is idle
|
Toolkit
|
Performance Monitori
|
nobody
|
RESO
|
DUPL
|
2018-07-11
|
| 1178141
|
|
Animated background image behind other layers is being needlessly painted/repainted
|
Core
|
Layout: Images, Vide
|
nobody
|
RESO
|
WORK
|
2022-07-05
|
| 1190517
|
|
firefox is battery inefficient on business insider
|
Firefox
|
General
|
nobody
|
RESO
|
DUPL
|
2015-08-05
|
| 1190718
|
|
Tracking bug for power problems identified in blog.getbatterybox.com blog post
|
Firefox
|
General
|
nobody
|
RESO
|
INCO
|
2015-09-06
|
| 1191907
|
|
100% cpu usage with 07befc6f54e7 nightly (20150806030205)
|
Core
|
Networking: Cache
|
nobody
|
RESO
|
FIXE
|
2015-09-10
|
| 1200028
|
|
High CPU usage on a fujitsu-general.com page
|
Core
|
CSS Parsing and Comp
|
nobody
|
RESO
|
DUPL
|
2022-05-27
|
| 1200979
|
|
wifi hotpot stays on even if there is not data connection
|
Firefox OS Graveyard
|
Gaia::System::Wifi
|
nobody
|
RESO
|
WONT
|
2018-03-02
|
| 1207563
|
|
[GonkSensor] Implement support for device sensor periods and delays
|
Firefox OS Graveyard
|
General
|
nobody
|
RESO
|
WONT
|
2018-03-02
|
| 1212466
|
|
Firefox for Android uses too much energy when pages are open while the app is backgrounded
|
Firefox for Android
|
General
|
nobody
|
RESO
|
DUPL
|
2020-12-21
|
| 1213344
|
|
100% CPU usage on certain page, followed by shutdown hang
|
Core
|
Audio/Video: Playbac
|
nobody
|
RESO
|
DUPL
|
2016-10-05
|
| 1234270
|
|
Improving sensor performance on B2G/Firefox OS
|
Firefox OS Graveyard
|
Performance
|
nobody
|
RESO
|
WONT
|
2018-03-02
|
| 1254911
|
|
Consider to prevent location update from firing when the document isn't visible for desktop/mobile
|
Core
|
DOM: Geolocation
|
nobody
|
RESO
|
DUPL
|
2019-11-18
|
| 1256799
|
|
[e10s] 100% CPU usage on certain site if enabled e10s
|
Core
|
General
|
nobody
|
RESO
|
INCO
|
2016-03-16
|
| 1259481
|
|
Outlook Web Access (OWA) uses a lot of power on mac
|
Firefox
|
General
|
nobody
|
RESO
|
INCO
|
2023-06-05
|
| 1396481
|
|
Firefox has a high idle CPU load (~3%) which severely shortens battery life
|
Firefox
|
General
|
nobody
|
RESO
|
INCO
|
2017-12-30
|
| 1403897
|
|
Firefox does not allow Macbook to go to Deep Sleep
|
Firefox
|
Untriaged
|
nobody
|
RESO
|
WORK
|
2019-04-10
|
| 1404609
|
|
Background in reading mode is not black
|
Toolkit
|
Reader Mode
|
nobody
|
RESO
|
WONT
|
2020-03-23
|
| 1420692
|
|
Random Excessive Memory/CPU usage
|
Core
|
Performance
|
nobody
|
RESO
|
WORK
|
2023-06-20
|
| 1420753
|
|
High battery/energy use on Amazon.com
|
Core
|
General
|
nobody
|
RESO
|
INCO
|
2022-02-26
|
| 1420880
|
|
Firefox uses 3x more CPU than Chrome on YouTube on Macbook Pro.
|
Core
|
Audio/Video: Playbac
|
nobody
|
RESO
|
INCO
|
2018-01-14
|
| 1421075
|
|
firefox using 17% cpu in NT Kernel & System after a while running after Quantum installed
|
Core
|
General
|
nobody
|
RESO
|
WORK
|
2017-11-27
|
| 1421081
|
|
Performance regression on very long page
|
Core
|
CSS Parsing and Comp
|
nobody
|
RESO
|
DUPL
|
2022-03-02
|
| 1422457
|
|
Infinite repainting on Instagram
|
Core
|
Graphics: WebRender
|
nobody
|
RESO
|
INVA
|
2017-12-01
|
| 1424666
|
|
Firefox uses too much CPU and battery.
|
Firefox
|
Untriaged
|
nobody
|
RESO
|
DUPL
|
2017-12-14
|
| 1424858
|
|
Last versions of Firefox from 56 put the cpu to 100% when more tabs are active
|
Core
|
General
|
nobody
|
RESO
|
INCO
|
2019-03-06
|
| 1425298
|
|
Changing location creates process with one thread and high cpu usage on macOS
|
Core
|
Networking
|
nobody
|
RESO
|
DUPL
|
2017-12-25
|
| 1427288
|
|
High CPU usage when starting Firefox after a "dirty" shutdown (power loss to laptop)
|
Firefox
|
Untriaged
|
nobody
|
RESO
|
WORK
|
2018-04-02
|
| 1427924
|
|
Firefox Quantum 57 Reduces Battery Life to Almost Dead in Short Amount of Time
|
Firefox
|
Untriaged
|
nobody
|
RESO
|
INVA
|
2018-03-02
|
| 1435257
|
|
Bugged CPU usage on GPU-process caused by sync animation
|
Firefox
|
Untriaged
|
nobody
|
RESO
|
DUPL
|
2021-12-10
|
| 1506070
|
|
Firefox is Lagging in few time of use and open some new tabs with many types of content.. its making till i Close the App
|
Toolkit
|
Autocomplete
|
nobody
|
RESO
|
DUPL
|
2019-01-29
|
| 1534154
|
|
High CPU load (80-100%) of WebContent process even with all tabs discarded
|
Firefox
|
General
|
nobody
|
RESO
|
INCO
|
2019-03-18
|
| 1560450
|
|
[meta] Some apps are slower with software-only canvas2d
|
Core
|
Graphics: Canvas2D
|
nobody
|
RESO
|
INAC
|
2024-07-02
|
| 1560472
|
|
Firefox tabs eat an entire CPU on linux (manjaro, mint)
|
Firefox
|
Untriaged
|
nobody
|
RESO
|
INCO
|
2019-07-05
|
| 1593918
|
|
High CPU load of Firefox with NoScript 11.0.6 installed
|
Firefox
|
Extension Compatibil
|
nobody
|
RESO
|
FIXE
|
2019-11-07
|
| 1641673
|
|
Lots of time spend in setTimeout calls on https://www.tvnow.de
|
Web Compatibility
|
Site Reports
|
nobody
|
RESO
|
DUPL
|
2020-08-14
|
| 1643409
|
|
Firefox 77.0.1 on a Mac causes huge CPU spike, 76 works fine.
|
Core
|
Graphics
|
nobody
|
RESO
|
WORK
|
2020-06-22
|
| 1678897
|
|
X11/EGL Firefox causes higher power consumption on Intel CPUs in dual-gpu setups with proprietary nvidia driver, even if only integrated intel gpu is used
|
Core
|
Widget: Gtk
|
nobody
|
RESO
|
MOVE
|
2020-11-28
|
| 1679088
|
|
High CPU usage (WindowServer) on macOS Big Sur
|
Core
|
Performance
|
nobody
|
RESO
|
WORK
|
2022-11-01
|
| 1684636
|
|
Poor performance on jackbox.tv (radial gradients)
|
Core
|
Graphics: WebRender
|
nobody
|
RESO
|
FIXE
|
2022-03-02
|
| 1690690
|
|
Unnecessary ChildToParentMatrix messages during animations
|
Core
|
Graphics
|
nobody
|
RESO
|
WORK
|
2022-11-01
|
| 1696942
|
|
The preloaded new tab page is repainted whenever the browser window is resized or (de)activated
|
Firefox
|
New Tab Page
|
nobody
|
RESO
|
DUPL
|
2022-04-08
|
| 1697621
|
|
[mozproxy] Remaining mitmproxy process from AWSY/Raptor consumes 100% CPU load
|
Testing
|
Mozbase
|
nobody
|
RESO
|
DUPL
|
2021-03-11
|
| 1699730
|
|
Consider lowering priority of iframes serving ads
|
Core
|
Performance
|
nobody
|
RESO
|
DUPL
|
2021-03-20
|
| 1728398
|
|
Opening a new tab causes the current browser to resize
|
Firefox
|
Tabbed Browser
|
nobody
|
RESO
|
DUPL
|
2023-05-31
|
| 1733499
|
|
Find a way to have software-decoded video hit detached mode in fullscreen on M1 machines without kernel panicking
|
Core
|
Graphics: WebRender
|
nobody
|
RESO
|
FIXE
|
2021-10-27
|
| 1781266
|
|
MemoryTelemetry::GatherReports/GatherTotalMemory uses a lot of CPU / power
|
Core
|
XPCOM
|
nobody
|
RESO
|
DUPL
|
2022-11-01
|
| 1784479
|
|
A gfxFontCache timer wakes up idle content processes every 10s forever
|
Core
|
Layout: Text and Fon
|
nobody
|
RESO
|
DUPL
|
2023-03-31
|
| 1811745
|
|
Battery drain caused by background updating service on Windows
|
Toolkit
|
Application Update
|
nobody
|
RESO
|
INVA
|
2023-03-22
|
| 1830641
|
|
Thunderbird with hanging connection to server (progress bar indicating activity) adds some 60% CPU core load
|
Thunderbird
|
General
|
nobody
|
RESO
|
INCO
|
2023-09-14
|
| 1875469
|
|
High CPU use on gmail.com due to exzessive window.message usage (blocking other tabs from loading)
|
Core
|
Performance
|
nobody
|
RESO
|
WORK
|
2024-03-08
|
| 962573
|
|
[meta] Firefox uses significant energy
|
Firefox
|
General
|
rvitillo
|
RESO
|
WORK
|
2024-01-19
|
| 969406
|
|
Hidden (positioned offscreen) gif activates the refresh driver
|
Core
|
Layout
|
seth.bugzilla
|
RESO
|
FIXE
|
2014-11-13
|
| 1690621
|
|
All content processes are notified of PCompositorBridge::Msg_DidComposite
|
Core
|
Graphics: WebRender
|
sotaro.ikeda.g
|
RESO
|
FIXE
|
2022-03-02
|
| 533776
|
|
gloda indexes while offline, if we startup without a network connection. Suppress indexing on startup without network to conserve battery
|
MailNews Core
|
Database
|
standard8
|
RESO
|
FIXE
|
2014-02-10
|
| 1629788
|
|
[Wayland] Software decoding into dmabuf surface
|
Core
|
Audio/Video: Playbac
|
stransky
|
RESO
|
FIXE
|
2020-08-09
|
| 1688086
|
|
Unnecessary CPU usage on the main thread from compositor vsync notifications
|
Core
|
Graphics
|
tnikkel
|
RESO
|
FIXE
|
2021-01-25
|
| 1167818
|
|
[e10s] background tabs use CPU as though they're in foreground, following "Restore All Crashed Tabs"
|
Firefox
|
Session Restore
|
ttaubert
|
RESO
|
FIXE
|
2015-06-02
|
| 1541314
|
|
Power usage during idle is doubled due to SVG animation in Firefox Account sign in panel, until the panel is first opened
|
Firefox
|
Firefox Accounts
|
vbudhram
|
RESO
|
FIXE
|
2022-01-10
|
| 1888657
|
|
Useless CSS animation is running while the viewer is doing nothing
|
Firefox
|
PDF Viewer
|
cdenizet
|
VERI
|
FIXE
|
2024-04-09
|
| 985369
|
|
Writing into the URL bar consumes 100% CPU time
|
Firefox OS Graveyard
|
Gaia::Browser
|
gsvelto
|
VERI
|
FIXE
|
2014-04-15
|
| 1329630
|
|
Firefox constantly uses 100% CPU after long time movie browsing, even after closing movies
|
Core
|
Audio/Video: Playbac
|
suro001
|
VERI
|
FIXE
|
2019-05-21
|
| 1684139
|
|
High CPU use on sports.williamhill.com due to unclamped setInterval(f, 0) in worker
|
Core
|
DOM: Workers
|
echuang
|
VERI
|
FIXE
|
2022-03-02
|
| 1724980
|
|
Content process taking 100% of a core, running IdleTimeGCTaskRunnable continuously
|
Core
|
JavaScript: GC
|
sphink
|
VERI
|
FIXE
|
2022-03-02
|
| 1770947
|
|
Closing Picture-in-Picture (PiP) window doesn't set tab's priority to background tab
|
Toolkit
|
Picture-in-Picture
|
florian
|
VERI
|
FIXE
|
2022-11-11
|
| 1615564
|
|
Lots of time spend in Window.clearTimeout after watching movies on https://www.tvnow.de
|
Core
|
DOM: Core & HTML
|
smaug
|
VERI
|
FIXE
|
2020-12-15
|
| 1725555
|
|
100% CPU load and hang of content process when searching in large documents
|
Core
|
Layout: Text and Fon
|
jfkthame
|
VERI
|
FIXE
|
2023-11-22
|
| 1446817
|
|
"Disable HTML5 Autoplay" is causing Firefox to use massive amount of CPU and RAM
|
WebExtensions
|
General
|
afnankhan
|
VERI
|
FIXE
|
2019-05-21
|
| 1256547
|
|
100% CPU core usage while tooltip, context menu and menupopup is displayed (Windows7 classic & High Contrast) with D3D11 compositor
|
Core
|
Graphics
|
bas
|
VERI
|
FIXE
|
2016-06-07
|
| 1767875
|
|
TaskController wakes up all threads of its pool when a task is available
|
Core
|
XPCOM
|
bas
|
VERI
|
FIXE
|
2022-06-16
|
| 978647
|
|
Firefox freezes and RAM consumption reaches 2-3 GB
|
Core
|
Audio/Video
|
chris
|
VERI
|
FIXE
|
2014-03-12
|
| 1698445
|
|
CSS animations on https://www.esprit.de cause a constant 60% CPU load
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Testing
|
Performance
|
emilio
|
VERI
|
FIXE
|
2021-03-30
|
| 1754810
|
|
SMIL causing 60Hz refresh ticks despite nothing visibly animated
|
Core
|
SVG
|
emilio
|
VERI
|
FIXE
|
2023-06-06
|
| 958882
|
|
Firefox and computer freeze with high CPU use when opening http://pythonfiddle.com/
|
Core
|
JavaScript Engine: J
|
jdemooij
|
VERI
|
FIXE
|
2014-01-17
|
| 961124
|
|
High CPU use on http://pythonfiddle.com/
|
Core
|
JavaScript Engine: J
|
jdemooij
|
VERI
|
FIXE
|
2014-01-22
|
| 1050815
|
|
Problem of jpeg image 'vibration' when used in background-image in cover size with 2 or more divs with differents sizes
|
Core
|
Graphics: ImageLib
|
nobody
|
VERI
|
FIXE
|
2014-09-26
|
| 1344772
|
|
Logical loop with CPU exhaustion in MediaFormatReader::NotifyDataArrived
|
Core
|
Audio/Video: Playbac
|
suro001
|
VERI
|
FIXE
|
2017-04-26
|