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bugzilla-data-low.json
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{"bugs":[{"priority":"P1","keywords":["perf:pageload"],"summary":"Delayed image loading on low end ARM devices","component":"Performance","id":1522282,"status":"ASSIGNED","last_change_time":"2023-02-22T21:45:14Z","op_sys":"Android","creation_time":"2019-01-23T21:52:44Z","severity":"S3"},{"last_change_time":"2022-10-12T00:08:45Z","status":"ASSIGNED","id":1631949,"op_sys":"Unspecified","severity":"S3","creation_time":"2020-04-21T20:52:29Z","component":"Graphics","priority":"P3","keywords":["perf:startup"],"summary":"Investigate merging shader cache files"},{"status":"ASSIGNED","last_change_time":"2024-10-29T19:43:16Z","id":1845775,"creation_time":"2023-07-27T16:40:28Z","severity":"S2","op_sys":"Unspecified","component":"JavaScript Engine","priority":"P3","summary":"Google blog page loads very slowly and often fails to fully load","keywords":["webcompat:platform-bug","webcompat:site-report"]},{"id":486378,"last_change_time":"2023-05-16T02:23:47Z","status":"NEW","op_sys":"Windows Vista","severity":"S3","creation_time":"2009-04-01T20:00:41Z","priority":"P3","keywords":["blocked-ux","perf"],"summary":"Poor performance using bookmarks menu with large amounts of bookmarks.","component":"Bookmarks & History"},{"component":"Places","keywords":["main-thread-io","meta","perf","perf:frontend","perf:responsiveness"],"summary":"[meta] Implement an Asynchronous API for opening container query nodes","priority":"P3","status":"NEW","last_change_time":"2024-03-22T08:26:57Z","id":490714,"severity":"N/A","creation_time":"2009-04-29T22:35:30Z","op_sys":"All"},{"component":"Layout: Columns","summary":"{inc} Resizing window is slow for long list with multicol (from \"-moz-column-count: 3\" or \"column-width: 20em;\")","keywords":["perf","perf:responsiveness","testcase"],"priority":"--","status":"NEW","last_change_time":"2022-10-10T22:59:55Z","id":575614,"creation_time":"2010-06-29T14:36:04Z","op_sys":"All","severity":"S3"},{"priority":"--","keywords":["perf","perf:pageload"],"summary":"Very slow chrome to content DOM access","component":"XPConnect","id":613498,"last_change_time":"2022-10-10T23:12:27Z","status":"NEW","severity":"S3","op_sys":"macOS","creation_time":"2010-11-19T15:34:28Z"},{"id":646937,"status":"NEW","last_change_time":"2022-10-10T23:24:13Z","creation_time":"2011-03-31T18:37:55Z","op_sys":"Linux","severity":"S3","summary":"throttle animation in completely obscured windows (virtual desktop, minimised, hidden behind other fullscreened windows)","keywords":["perf","perf:resource-use"],"priority":"P3","component":"Widget"},{"component":"Places","keywords":["perf","perf:responsiveness"],"summary":"Repeated calls to location.hash = \"#foo\" cause large amounts of disk activity","priority":"P3","creation_time":"2011-06-02T18:09:59Z","severity":"S3","op_sys":"All","last_change_time":"2023-12-04T16:12:25Z","status":"NEW","id":661590},{"creation_time":"2011-12-19T09:05:20Z","severity":"S3","op_sys":"All","id":711924,"last_change_time":"2024-04-08T16:58:41Z","status":"NEW","priority":"--","keywords":["perf","perf:resource-use"],"summary":"Compositing/present still hapens when the only changing parts are out of the viewport","component":"Graphics: WebRender"},{"id":760888,"status":"NEW","last_change_time":"2024-04-05T11:37:58Z","op_sys":"All","severity":"S3","creation_time":"2012-06-03T03:18:54Z","keywords":["perf"],"summary":"IE10 Test Drive: ParticleAcceleration Canvas 2D demo is slow","priority":"--","component":"Graphics: Canvas2D"},{"component":"Networking","priority":"P3","keywords":["perf:resource-use"],"summary":"We appear to be copying large data URIs over and over in nsSimpleURI.","status":"NEW","last_change_time":"2023-06-05T16:31:57Z","id":803709,"severity":"S3","op_sys":"All","creation_time":"2012-10-19T21:25:22Z"},{"keywords":["perf:responsiveness"],"summary":"Processing http://lib.tkk.fi/Dipl/2002/urn007413.pdf is slow, and its text layer is all messed up","priority":"P3","component":"PDF Viewer","severity":"S3","op_sys":"Linux","creation_time":"2012-11-09T08:29:30Z","id":810214,"status":"NEW","last_change_time":"2023-06-23T03:10:06Z"},{"component":"CSS Parsing and Computation","keywords":["perf","perf:responsiveness"],"summary":"janky Scrolling on smartsheet.com Sheets","priority":"--","creation_time":"2012-12-14T13:46:12Z","severity":"S3","op_sys":"Windows 7","status":"NEW","last_change_time":"2023-03-01T12:04:23Z","id":821693},{"creation_time":"2013-01-07T19:06:03Z","severity":"S3","op_sys":"Windows 7","status":"NEW","last_change_time":"2022-11-24T06:34:31Z","id":827440,"component":"Graphics: ImageLib","summary":"nsIconChannel::AsyncOpen can block","keywords":["perf"],"priority":"--"},{"priority":"--","keywords":["perf"],"summary":"Opening huge mercurial long commit page freezing Firefox","component":"Layout","id":827937,"status":"NEW","last_change_time":"2022-10-29T12:12:42Z","severity":"S3","op_sys":"Windows 8","creation_time":"2013-01-08T19:17:33Z"},{"op_sys":"All","severity":"S3","creation_time":"2013-01-14T22:07:19Z","id":830504,"status":"NEW","last_change_time":"2024-08-20T19:28:43Z","priority":"P3","keywords":["perf:frontend","perf:responsiveness"],"summary":"Firefox should abort on tryserver when executing SQL on the main thread","component":"SQLite and Embedded Database Bindings"},{"component":"General","keywords":["main-thread-io","perf:frontend"],"summary":"Use IOUtils for gLastOpenDirectory","priority":"--","severity":"S3","op_sys":"All","creation_time":"2013-02-05T02:16:08Z","status":"NEW","last_change_time":"2023-05-16T02:22:53Z","id":837989},{"component":"Networking: File","priority":"P3","keywords":["main-thread-io","perf:responsiveness"],"summary":"nsFileChannel::nsFileChannel causes expensive lstats","last_change_time":"2024-03-27T16:10:09Z","status":"NEW","id":862383,"op_sys":"macOS","severity":"S3","creation_time":"2013-04-16T15:29:21Z"},{"creation_time":"2013-07-07T15:57:11Z","severity":"S3","op_sys":"All","id":890712,"status":"NEW","last_change_time":"2024-04-01T16:26:36Z","priority":"P3","keywords":["main-thread-io","perf","perf:frontend"],"summary":"nsIOService::NewFileURI is doing main thread IO and causes jank","component":"Networking"},{"priority":"--","summary":"Polygon.com page scrolling becomes extremely slow after a while","keywords":["perf"],"component":"Layout","severity":"S3","op_sys":"All","creation_time":"2013-09-10T12:49:00Z","id":914595,"last_change_time":"2023-07-27T07:06:57Z","status":"NEW"},{"priority":"--","keywords":["perf:resource-use"],"summary":"Visibility state is not updated when the browser window is obscured or on another workspace","component":"General","id":917090,"status":"NEW","last_change_time":"2022-10-11T01:07:35Z","severity":"S3","op_sys":"All","creation_time":"2013-09-17T02:34:03Z"},{"component":"Layout","priority":"--","summary":"Optimize GetRootPresContext() to avoid going through the viewmanager / view tree","keywords":["perf"],"op_sys":"Linux","creation_time":"2014-03-18T00:14:52Z","severity":"S3","status":"NEW","last_change_time":"2022-10-24T12:16:02Z","id":984690},{"component":"Toolbars and Customization","priority":"--","keywords":["perf:frontend"],"summary":"Preload panel contents on hover of toolbar button","creation_time":"2014-06-10T10:02:00Z","severity":"S3","op_sys":"All","last_change_time":"2023-07-19T04:52:40Z","status":"NEW","id":1023152},{"status":"NEW","last_change_time":"2023-05-11T18:04:55Z","id":1047817,"creation_time":"2014-08-02T09:50:40Z","severity":"S3","op_sys":"All","component":"Places","summary":"Make bookmarks toolbar view use async openContainer","keywords":["perf:frontend"],"priority":"P3"},{"component":"JavaScript Engine","priority":"--","keywords":["perf"],"summary":"Poor performance in Ember app Discourse","severity":"S3","op_sys":"Android","creation_time":"2014-11-12T00:22:19Z","status":"NEW","last_change_time":"2022-10-11T15:57:30Z","id":1097376},{"creation_time":"2015-01-06T01:55:10Z","op_sys":"All","severity":"S3","status":"NEW","last_change_time":"2024-09-23T19:34:25Z","id":1118086,"component":"Layout: Form Controls","summary":"[e10s] There is a delay for about 1 seconds to display <select> drop-down list with 1600+ items","keywords":["multiprocess","perf","perf:responsiveness","testcase"],"priority":"P5"},{"last_change_time":"2023-10-11T11:00:04Z","status":"NEW","id":1154987,"severity":"S3","op_sys":"Windows 8.1","creation_time":"2015-04-15T23:32:29Z","component":"JavaScript Engine","priority":"--","keywords":["meta","perf"],"summary":"[Meta] Move JS parsing off of main thread and enable incremental 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opacity changes shouldn't create active layers","keywords":[],"last_change_time":"2024-09-22T12:08:26Z","status":"NEW","id":1217748,"severity":"S3","op_sys":"All","creation_time":"2015-10-23T09:20:20Z"},{"component":"JavaScript Engine","priority":"--","summary":"Block JavaScript parser thread when source code characters are not available","keywords":["perf"],"status":"NEW","last_change_time":"2022-10-11T17:46:56Z","id":1222086,"op_sys":"Unspecified","severity":"S3","creation_time":"2015-11-05T17:44:28Z"},{"component":"Graphics: CanvasWebGL","priority":"P3","summary":"Low performance of texImage2D with canvas2d and WebGL","keywords":["perf","regression","testcase"],"creation_time":"2016-02-06T17:43:25Z","op_sys":"Unspecified","severity":"S3","status":"NEW","last_change_time":"2024-05-17T08:40:26Z","id":1246410},{"component":"Graphics: WebRender","priority":"--","summary":"Firefox hangs with 100% CPU usage when scrolling on specific 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GC","keywords":["perf"],"op_sys":"Unspecified","severity":"S3","creation_time":"2016-06-19T13:43:03Z","last_change_time":"2024-08-11T09:37:57Z","status":"NEW","id":1280802},{"keywords":["perf:responsiveness","regression"],"summary":"Firefox 40+ are very sluggish through x2go","priority":"P3","component":"Graphics","op_sys":"Linux","creation_time":"2016-06-29T13:06:59Z","severity":"S3","id":1283089,"last_change_time":"2022-12-08T15:45:06Z","status":"NEW"},{"component":"Layout","keywords":["perf"],"summary":"Try to tick refresh driver during html parsing","priority":"P3","last_change_time":"2022-10-11T18:30:52Z","status":"NEW","id":1294625,"severity":"S3","creation_time":"2016-08-12T05:51:58Z","op_sys":"Unspecified"},{"keywords":["perf"],"summary":"Measure and solve sync reflow for studying gdoc 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significantly more memory than usual.","keywords":[],"status":"UNCONFIRMED","last_change_time":"2024-04-17T12:23:38Z","id":1891632,"op_sys":"Windows","severity":"S4","creation_time":"2024-04-16T00:46:27Z"},{"component":"Performance","summary":"Very High Ram usage","keywords":[],"priority":"--","status":"UNCONFIRMED","last_change_time":"2024-10-08T17:35:09Z","id":1891979,"op_sys":"Unspecified","severity":"--","creation_time":"2024-04-17T13:04:16Z"},{"priority":"--","summary":"Firefox takes up more than 1 GB of RAM even with only 7 tabs open","keywords":[],"component":"Graphics","op_sys":"Unspecified","creation_time":"2024-04-30T06:15:07Z","severity":"--","id":1894163,"last_change_time":"2024-06-07T16:45:16Z","status":"UNCONFIRMED"},{"last_change_time":"2024-10-08T17:35:05Z","status":"UNCONFIRMED","id":1897710,"severity":"--","op_sys":"Unspecified","creation_time":"2024-05-20T06:28:31Z","component":"Performance","priority":"--","keywords":["perf:resource-use"],"summary":"Firefox utilizing a large amount of RAM (2.5gb with small amount of TABS open)"},{"component":"Debugger","keywords":[],"summary":"Debugging web JavaScript on firefox is lagging and takes up a lot of memory","priority":"--","severity":"--","creation_time":"2024-06-08T15:28:49Z","op_sys":"Unspecified","status":"UNCONFIRMED","last_change_time":"2024-07-24T09:58:12Z","id":1901375},{"last_change_time":"2024-09-03T18:37:56Z","status":"UNCONFIRMED","id":1914114,"op_sys":"Windows 11","severity":"--","creation_time":"2024-08-21T06:38:36Z","component":"DOM: Events","summary":"tab movement seems a little bit laggy","keywords":[],"priority":"--"},{"creation_time":"2024-09-10T04:41:34Z","severity":"--","op_sys":"Linux","id":1917750,"last_change_time":"2024-10-11T05:31:06Z","status":"UNCONFIRMED","summary":"[Snap] opening firefox in weston taking more than 25secs","keywords":["perf:startup"],"priority":"P3","component":"Widget: Gtk"}]}