bugzilla-data-low.json

{"bugs":[{"keywords":["perf:pageload"],"priority":"P1","severity":"S3","status":"ASSIGNED","op_sys":"Android","creation_time":"2019-01-23T21:52:44Z","summary":"Delayed image loading on low end ARM devices","last_change_time":"2023-02-22T21:45:14Z","id":1522282,"component":"Performance"},{"status":"ASSIGNED","priority":"P3","severity":"S3","keywords":["perf:startup"],"component":"Graphics","id":1631949,"creation_time":"2020-04-21T20:52:29Z","summary":"Investigate merging shader cache files","op_sys":"Unspecified","last_change_time":"2022-10-12T00:08:45Z"},{"keywords":["webcompat:blocked","webcompat:platform-bug","webcompat:site-report"],"status":"ASSIGNED","severity":"S2","priority":"P3","summary":"Google blog page loads very slowly and often fails to fully load","op_sys":"Unspecified","last_change_time":"2024-12-12T23:01:08Z","creation_time":"2023-07-27T16:40:28Z","component":"JavaScript Engine","id":1845775},{"last_change_time":"2023-05-16T02:23:47Z","op_sys":"Windows Vista","creation_time":"2009-04-01T20:00:41Z","summary":"Poor performance using bookmarks menu with large amounts of bookmarks.","id":486378,"component":"Bookmarks & History","keywords":["blocked-ux","perf"],"severity":"S3","priority":"P3","status":"NEW"},{"id":490714,"component":"Places","creation_time":"2009-04-29T22:35:30Z","last_change_time":"2024-03-22T08:26:57Z","summary":"[meta] Implement an Asynchronous API for opening container query nodes","op_sys":"All","keywords":["main-thread-io","meta","perf","perf:frontend","perf:responsiveness"],"priority":"P3","severity":"N/A","status":"NEW"},{"status":"NEW","priority":"--","severity":"S3","keywords":["perf","perf:responsiveness","testcase"],"summary":"{inc} Resizing window is slow for long list with multicol (from \"-moz-column-count: 3\" or \"column-width: 20em;\")","last_change_time":"2022-10-10T22:59:55Z","creation_time":"2010-06-29T14:36:04Z","op_sys":"All","id":575614,"component":"Layout: 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WebRender","id":711924,"summary":"Compositing/present still hapens when the only changing parts are out of the viewport","op_sys":"All","last_change_time":"2024-04-08T16:58:41Z","creation_time":"2011-12-19T09:05:20Z","status":"NEW","priority":"--","severity":"S3","keywords":["perf","perf:resource-use"]},{"priority":"--","severity":"S3","status":"NEW","keywords":["perf"],"id":760888,"component":"Graphics: Canvas2D","last_change_time":"2024-04-05T11:37:58Z","summary":"IE10 Test Drive: ParticleAcceleration Canvas 2D demo is slow","op_sys":"All","creation_time":"2012-06-03T03:18:54Z"},{"last_change_time":"2023-06-05T16:31:57Z","summary":"We appear to be copying large data URIs over and over in nsSimpleURI.","op_sys":"All","creation_time":"2012-10-19T21:25:22Z","id":803709,"component":"Networking","keywords":["perf:resource-use"],"status":"NEW","priority":"P3","severity":"S3"},{"severity":"S3","priority":"P3","status":"NEW","keywords":["perf:responsiveness"],"op_sys":"Linux","creation_time":"2012-11-09T08:29:30Z","summary":"Processing http://lib.tkk.fi/Dipl/2002/urn007413.pdf is slow, and its text layer is all messed up","last_change_time":"2023-06-23T03:10:06Z","component":"PDF Viewer","id":810214},{"severity":"S3","priority":"--","status":"NEW","keywords":["perf","perf:responsiveness"],"creation_time":"2012-12-14T13:46:12Z","summary":"janky Scrolling on smartsheet.com Sheets","last_change_time":"2023-03-01T12:04:23Z","op_sys":"Windows 7","id":821693,"component":"CSS Parsing and Computation"},{"severity":"S3","priority":"--","status":"NEW","keywords":["perf"],"id":827440,"component":"Graphics: ImageLib","summary":"nsIconChannel::AsyncOpen can block","op_sys":"Windows 7","last_change_time":"2022-11-24T06:34:31Z","creation_time":"2013-01-07T19:06:03Z"},{"keywords":["perf"],"status":"NEW","severity":"S3","priority":"--","component":"Layout","id":827937,"creation_time":"2013-01-08T19:17:33Z","last_change_time":"2022-10-29T12:12:42Z","summary":"Opening huge mercurial long commit page freezing Firefox","op_sys":"Windows 8"},{"keywords":["perf:frontend","perf:responsiveness"],"status":"NEW","priority":"P3","severity":"S3","id":830504,"component":"SQLite and Embedded Database Bindings","last_change_time":"2024-08-20T19:28:43Z","creation_time":"2013-01-14T22:07:19Z","summary":"Firefox should abort on tryserver when executing SQL on the main thread","op_sys":"All"},{"severity":"S3","priority":"--","status":"NEW","keywords":["main-thread-io","perf:frontend"],"summary":"Use IOUtils for 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a while","id":914595,"component":"Layout"},{"last_change_time":"2022-10-11T01:07:35Z","op_sys":"All","creation_time":"2013-09-17T02:34:03Z","summary":"Visibility state is not updated when the browser window is obscured or on another workspace","id":917090,"component":"General","keywords":["perf:resource-use"],"priority":"--","severity":"S3","status":"NEW"},{"component":"Layout","id":984690,"op_sys":"Linux","summary":"Optimize GetRootPresContext() to avoid going through the viewmanager / view tree","creation_time":"2014-03-18T00:14:52Z","last_change_time":"2022-10-24T12:16:02Z","keywords":["perf"],"severity":"S3","priority":"--","status":"NEW"},{"keywords":["perf:frontend"],"status":"NEW","priority":"--","severity":"S3","op_sys":"All","creation_time":"2014-06-10T10:02:00Z","summary":"Preload panel contents on hover of toolbar button","last_change_time":"2023-07-19T04:52:40Z","id":1023152,"component":"Toolbars and 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off of main thread and enable incremental parsing","last_change_time":"2023-10-11T11:00:04Z","op_sys":"Windows 8.1","component":"JavaScript Engine","id":1154987,"status":"NEW","severity":"S3","priority":"--","keywords":["meta","perf"]},{"component":"Graphics: WebRender","id":1155307,"op_sys":"All","summary":"Very laggy panning and zooming of map on Orbis website","creation_time":"2015-04-16T18:22:07Z","last_change_time":"2024-04-02T23:00:44Z","severity":"S3","priority":"--","status":"NEW","keywords":["perf:animation","perf:responsiveness","reproducible"]},{"keywords":[],"priority":"--","severity":"S3","status":"NEW","op_sys":"Unspecified","last_change_time":"2023-08-29T16:48:48Z","summary":"ES6 Map performance for large numbers of elements is deficient","creation_time":"2015-05-07T18:46:57Z","component":"JavaScript: GC","id":1162665},{"id":1213513,"component":"DOM: Animation","op_sys":"Unspecified","last_change_time":"2023-02-19T05:13:03Z","summary":"2D canvas+HTML/CSS animation demo 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CanvasWebGL","keywords":["perf","regression","testcase"],"priority":"P3","severity":"S3","status":"NEW"},{"summary":"Firefox hangs with 100% CPU usage when scrolling on specific page","op_sys":"Unspecified","creation_time":"2016-03-18T17:34:07Z","last_change_time":"2024-09-22T11:59:59Z","component":"Graphics: WebRender","id":1257910,"severity":"S3","priority":"--","status":"NEW","keywords":["perf:responsiveness","reproducible"]},{"keywords":["perf"],"status":"NEW","priority":"--","severity":"S3","last_change_time":"2022-10-11T18:13:31Z","op_sys":"Unspecified","creation_time":"2016-04-20T07:12:37Z","summary":"Running jasmine is slower than Safari and Chrome","id":1265980,"component":"JavaScript Engine"},{"status":"NEW","priority":"--","severity":"S3","keywords":["perf"],"last_change_time":"2022-11-08T00:01:53Z","creation_time":"2016-06-07T13:45:20Z","summary":"CanvasRenderingContext2D::DrawImage takes lots of  time when scrolling Google Spreadsheet","op_sys":"Unspecified","id":1278554,"component":"Graphics: Canvas2D"},{"summary":"Angular framework performance test spends 10% in nursery GC","last_change_time":"2024-08-11T09:37:57Z","creation_time":"2016-06-19T13:43:03Z","op_sys":"Unspecified","id":1280802,"component":"JavaScript: GC","keywords":["perf"],"status":"NEW","priority":"P3","severity":"S3"},{"severity":"S3","priority":"P3","status":"NEW","keywords":["perf:responsiveness","regression"],"id":1283089,"component":"Graphics","op_sys":"Linux","last_change_time":"2022-12-08T15:45:06Z","summary":"Firefox 40+ are very sluggish through x2go","creation_time":"2016-06-29T13:06:59Z"},{"last_change_time":"2022-10-11T18:30:52Z","op_sys":"Unspecified","summary":"Try to tick refresh driver during html parsing","creation_time":"2016-08-12T05:51:58Z","component":"Layout","id":1294625,"keywords":["perf"],"severity":"S3","priority":"P3","status":"NEW"},{"component":"Layout","id":1296161,"op_sys":"Unspecified","summary":"Measure 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History"},{"id":1330187,"component":"Layout","summary":"DisplayList building shows signs of poor CPU usage","op_sys":"Unspecified","last_change_time":"2023-02-07T15:18:45Z","creation_time":"2017-01-11T03:23:20Z","status":"NEW","severity":"S3","priority":"P3","keywords":["perf:resource-use"]},{"creation_time":"2017-01-12T08:37:41Z","op_sys":"Unspecified","summary":"Explore using the presshell arena for FramePropertyTable","last_change_time":"2022-10-11T18:55:13Z","id":1330558,"component":"Layout","status":"NEW","severity":"S3","priority":"P3","keywords":["perf:resource-use"]},{"priority":"P3","severity":"S3","status":"NEW","keywords":["hang","perf"],"op_sys":"Unspecified","last_change_time":"2022-10-11T18:58:09Z","creation_time":"2017-01-27T21:15:19Z","summary":"PCompositorBridge::Msg_WillClose can block the UI thread when closing a window","component":"Graphics: Layers","id":1334655},{"status":"NEW","priority":"P3","severity":"S3","keywords":["perf"],"summary":"Slow performance at drawing rectangles on Google Slides","last_change_time":"2022-10-11T19:02:26Z","op_sys":"Unspecified","creation_time":"2017-02-22T22:05:51Z","id":1341882,"component":"Graphics"},{"creation_time":"2017-02-22T23:15:05Z","op_sys":"Unspecified","last_change_time":"2023-08-18T02:30:51Z","summary":"Stop looking up GLContext symbols for every new window","component":"Graphics","id":1341913,"keywords":["perf"],"priority":"P3","severity":"S3","status":"NEW"},{"severity":"S3","priority":"P3","status":"NEW","keywords":["perf"],"component":"Networking: HTTP","id":1342632,"last_change_time":"2022-03-02T15:55:52Z","summary":"Speed up PHttpChannelConstructor and consider streaming HttpChannelOpenArgs","op_sys":"Unspecified","creation_time":"2017-02-25T04:45:01Z"},{"status":"NEW","priority":"P3","severity":"S3","keywords":["perf"],"component":"Graphics: Layers","id":1343383,"creation_time":"2017-02-28T23:07:56Z","op_sys":"Unspecified","summary":"nsIDOMWindowUtils::StartFrameTimeRecording should not use sync IPC","last_change_time":"2022-10-11T19:03:23Z"},{"keywords":["perf","perf:responsiveness"],"status":"NEW","priority":"--","severity":"S3","component":"Web Painting","id":1343538,"summary":"Overpainting on Google docs","last_change_time":"2024-11-22T02:22:00Z","creation_time":"2017-03-01T15:26:14Z","op_sys":"Unspecified"},{"keywords":["perf"],"status":"NEW","severity":"S3","priority":"P2","last_change_time":"2022-10-11T19:05:12Z","summary":"Consider compiling Ion IC code less eagerly","creation_time":"2017-03-10T12:17:59Z","op_sys":"All","id":1346178,"component":"JavaScript Engine: JIT"},{"severity":"S3","priority":"--","status":"NEW","keywords":["perf"],"id":1346927,"component":"WebVR","creation_time":"2017-03-13T20:32:12Z","op_sys":"Unspecified","summary":"Replace PVRManager::GetSensorState with lock-free shared memory structure (Eliminating message queue IPC)","last_change_time":"2022-10-11T19:05:40Z"},{"id":1347861,"component":"JavaScript Engine","summary":"Consider storing hints during syntax parse","last_change_time":"2022-10-11T19:06:12Z","op_sys":"Unspecified","creation_time":"2017-03-16T09:28:24Z","priority":"P5","severity":"S3","status":"NEW","keywords":["perf"]},{"id":1348697,"component":"Layout","op_sys":"All","creation_time":"2017-03-19T22:26:30Z","last_change_time":"2023-11-27T10:28:31Z","summary":"Optimize away OverflowAreasProperty more often","status":"NEW","severity":"S3","priority":"--","keywords":["perf"]},{"severity":"S3","priority":"P3","status":"NEW","keywords":["perf"],"id":1349148,"component":"JavaScript Engine: JIT","last_change_time":"2024-04-24T02:40:50Z","op_sys":"All","creation_time":"2017-03-21T09:28:43Z","summary":"Improve performance of megamorphic stubs"},{"last_change_time":"2022-10-11T19:08:05Z","creation_time":"2017-03-24T15:40:46Z","summary":"Make service worker ScriptLoader paths use cached js bytecode from cache API","op_sys":"Unspecified","component":"DOM: Service 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observers","creation_time":"2017-03-26T21:54:08Z","component":"General","id":1350749,"priority":"--","severity":"S3","status":"NEW","keywords":["perf"]},{"keywords":["nightly-community","perf","perf:resource-use","power"],"status":"NEW","severity":"--","priority":"--","id":1351755,"component":"Performance","summary":"Provide \"Slight/Light/Low power/Battery saving/Battery saver\" mode option","op_sys":"All","creation_time":"2017-03-29T17:44:37Z","last_change_time":"2023-06-26T13:30:14Z"},{"keywords":["perf"],"severity":"S3","priority":"P3","status":"NEW","op_sys":"Unspecified","summary":"Add Telemetry probes for measuring garbage volume per GC","last_change_time":"2024-12-05T16:28:47Z","creation_time":"2017-03-29T18:30:44Z","id":1351789,"component":"JavaScript: GC"},{"summary":"Consider faster alternatives to PLDHashTable in hot Layout code paths","last_change_time":"2022-10-11T19:09:06Z","creation_time":"2017-03-29T20:02:58Z","op_sys":"All","id":1351829,"component":"Layout","status":"NEW","priority":"--","severity":"S3","keywords":["perf"]},{"severity":"S3","priority":"--","status":"NEW","keywords":["perf"],"last_change_time":"2022-10-11T19:09:06Z","op_sys":"All","creation_time":"2017-03-29T20:09:00Z","summary":"Consider adding StyleDisplay() values to nsIFrame","component":"Layout","id":1351830},{"id":1352205,"component":"Layout","last_change_time":"2022-11-02T13:08:34Z","creation_time":"2017-03-30T20:21:31Z","op_sys":"Unspecified","summary":"Avoid running the refresh driver when the page is in background","keywords":["perf","perf:resource-use"],"status":"NEW","priority":"P2","severity":"--"},{"id":1352524,"component":"JavaScript: GC","last_change_time":"2023-05-05T15:21:18Z","op_sys":"Unspecified","summary":"[meta] Improve GC 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Playback","op_sys":"Unspecified","last_change_time":"2023-01-27T13:40:55Z","summary":"http://www.jabra.com.de claims up to 20% CPU load as background tab or when Firefox is hidden","creation_time":"2020-12-14T11:15:49Z","priority":"P3","severity":"S3","status":"NEW","keywords":["perf","perf:resource-use","power"]},{"component":"Graphics: Canvas2D","id":1682986,"last_change_time":"2022-03-02T16:41:43Z","op_sys":"Android","summary":"Choppy Canvas2D on Android on this page","creation_time":"2020-12-16T23:01:37Z","keywords":["perf:responsiveness"],"severity":"S3","priority":"--","status":"NEW"},{"keywords":["perf:responsiveness"],"priority":"P3","severity":"S4","status":"NEW","component":"Graphics: WebRender","id":1683250,"op_sys":"Android","summary":"Laggy swipes on swiperjs.com","creation_time":"2020-12-18T05:43:00Z","last_change_time":"2022-03-02T16:41:44Z"},{"keywords":["perf:responsiveness"],"priority":"P3","severity":"S4","status":"NEW","op_sys":"Android","summary":"[Bug] Scrolling 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exists libgail.so, firefox cannot find it.","op_sys":"Unspecified","id":1868609,"component":"Widget: Gtk"},{"keywords":["perf:resource-use"],"status":"UNCONFIRMED","severity":"S3","priority":"P3","last_change_time":"2024-02-09T14:45:57Z","summary":"Potential Memory Leak When accessing PDF with User Agent Spoof","op_sys":"Unspecified","creation_time":"2023-12-19T05:55:02Z","component":"PDF Viewer","id":1870778},{"last_change_time":"2024-03-17T20:17:44Z","summary":"Firefox \"crash\" after a while PC locked","creation_time":"2024-01-24T13:28:27Z","op_sys":"Unspecified","component":"Performance","id":1876284,"keywords":[],"status":"UNCONFIRMED","priority":"P3","severity":"S3"},{"last_change_time":"2024-03-12T15:29:31Z","op_sys":"macOS","creation_time":"2024-02-29T15:28:41Z","summary":"[GPU-canvas] Viewing webcam is slow (due to filters and gpu-canvas not falling back to skia-canvas)","component":"Graphics: Canvas2D","id":1882804,"keywords":["perf:resource-use","perf:responsiveness"],"priority":"--","severity":"S3","status":"UNCONFIRMED"},{"op_sys":"Android","creation_time":"2024-04-03T19:07:11Z","summary":"Ozon.ru eats up RAM","last_change_time":"2024-06-11T08:14:46Z","component":"Performance","id":1889461,"keywords":["perf:resource-use"],"status":"UNCONFIRMED","severity":"--","priority":"--"},{"id":1891632,"component":"Performance","creation_time":"2024-04-16T00:46:27Z","op_sys":"Windows","last_change_time":"2024-12-02T12:33:24Z","summary":"Firefox is using significantly more memory than usual.","keywords":[],"status":"UNCONFIRMED","priority":"--","severity":"S4"},{"last_change_time":"2024-10-08T17:35:09Z","creation_time":"2024-04-17T13:04:16Z","summary":"Very High Ram usage","op_sys":"Unspecified","component":"Performance","id":1891979,"keywords":[],"priority":"--","severity":"--","status":"UNCONFIRMED"},{"creation_time":"2024-04-30T06:15:07Z","op_sys":"Unspecified","summary":"Firefox takes up more than 1 GB of RAM even with only 7 tabs open","last_change_time":"2024-06-07T16:45:16Z","component":"Graphics","id":1894163,"status":"UNCONFIRMED","priority":"--","severity":"--","keywords":[]},{"status":"UNCONFIRMED","severity":"--","priority":"--","keywords":["perf:resource-use"],"last_change_time":"2024-10-08T17:35:05Z","creation_time":"2024-05-20T06:28:31Z","summary":"Firefox utilizing a large amount of RAM (2.5gb with small amount of TABS open)","op_sys":"Unspecified","component":"Performance","id":1897710},{"keywords":[],"priority":"--","severity":"--","status":"UNCONFIRMED","id":1914114,"component":"DOM: Events","op_sys":"Windows 11","last_change_time":"2024-11-24T18:59:10Z","creation_time":"2024-08-21T06:38:36Z","summary":"tab movement seems a little bit laggy"},{"priority":"P3","severity":"S4","status":"UNCONFIRMED","keywords":["perf:responsiveness"],"component":"Graphics","id":1918876,"op_sys":"Unspecified","creation_time":"2024-09-14T17:04:25Z","last_change_time":"2024-12-18T16:56:29Z","summary":"Stuttering when using multiple windows"}]}