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{"bugs":[{"component":"Toolchains","creation_time":"2020-11-19T07:06:09Z","id":1678235,"keywords":["perf","perf-alert","regression"],"last_change_time":"2023-12-21T12:51:03Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"5.4 - 6.45% raptor-webaudio-firefox (linux64-shippable, linux64-shippable-qr) regression on push c170f9cb5e2c4d80e972f33d3134534ad3de313d (Tue November 17 2020)"},{"component":"Session Restore","creation_time":"2020-11-20T07:38:38Z","id":1678543,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2023-12-21T12:24:39Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"ASSIGNED","summary":"4.84 - 8.77% startup_about_home_paint_realworld_webextensions (windows10-64-shippable-qr) regression on push 6ca8cea4044a74c89e0137660c243bd542714abc (Mon November 16 2020)"},{"component":"Panning and Zooming","creation_time":"2021-02-12T09:37:45Z","id":1692426,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-12-17T04:48:35Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"11.15 - 11.5% amazon-search LastVisualChange (android-hw-g5-7-0-arm7-api-16-shippable) regression on push bd2b705457a3a72b97d343eb1ffa29a3bd9a7ecd (Tue February 9 2021)"},{"component":"Layout","creation_time":"2021-03-30T06:46:34Z","id":1701866,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2023-12-21T12:48:01Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"28.49 - 4.03% tsvg_static \/ tabswitch + 5 more (Linux, OSX, Windows) regression on Fri March 26 2021"},{"component":"General","creation_time":"2021-07-26T07:36:40Z","id":1722266,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-07-25T18:00:13Z","op_sys":"All","priority":"--","severity":"S3","status":"NEW","summary":"9.77 - 2.2% espn fcp \/ imdb PerceptualSpeedIndex + 113 more (Android) regression on Wed July 21 2021"},{"component":"Graphics: ImageLib","creation_time":"2021-11-09T09:00:28Z","id":1740206,"keywords":["perf","perf-alert","regression"],"last_change_time":"2023-06-19T22:21:29Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"8.2% ebay-kleinanzeigen LastVisualChange (Android) regression on Fri November 5 2021"},{"component":"Layout","creation_time":"2021-11-10T13:41:32Z","id":1740499,"keywords":["perf-alert","regression"],"last_change_time":"2026-08-17T23:51:41Z","op_sys":"All","priority":"P2","severity":"S3","status":"REOPENED","summary":"[fission] Page loads flickers and shows visible redraws (due to too-early paint unsuppression?)"},{"component":"General","creation_time":"2021-11-29T08:54:56Z","id":1743359,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-02-27T19:11:26Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"29.82 - 2.96% damp simple.inspector.reload.DAMP \/ damp complicated.jsdebugger.open.DAMP + 30 more (Linux, OSX, Windows) regression on Thu November 25 2021"},{"component":"Audio\/Video: Playback","creation_time":"2021-12-07T15:43:56Z","id":1744777,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2024-08-27T06:59:02Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"70.01 - 48% glvideo Mean tick time across 100 ticks: \/ glvideo Mean tick time across 100 ticks: + 3 more (Linux) regression on Fri December 3 2021"},{"component":"General","creation_time":"2021-12-29T15:25:58Z","id":1747897,"keywords":["perf-alert","regression"],"last_change_time":"2023-12-21T12:39:57Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"12.91% build times (Android) regression on Sat December 18 2021"},{"component":"Widget: Gtk","creation_time":"2022-04-13T06:57:35Z","id":1764502,"keywords":["perf","perf-alert","regression"],"last_change_time":"2025-03-11T08:55:44Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"26.88 - 22.51% reddit-billgates-post-1.posts ContentfulSpeedIndex \/ reddit-billgates-post-1.posts ContentfulSpeedIndex + 1 more (Linux) regression on Fri April 8 2022"},{"component":"Graphics: Canvas2D","creation_time":"2022-05-25T11:50:46Z","id":1771139,"keywords":["perf","perf-alert","regression"],"last_change_time":"2023-12-21T12:37:20Z","op_sys":"Unspecified","priority":"--","severity":"S4","status":"NEW","summary":"6.79 - 3.07% google-docs-canvas LastVisualChange \/ google-docs-canvas FirstVisualChange + 1 more (Linux) regression on Fri May 20 2022"},{"component":"Graphics: WebRender","creation_time":"2022-11-10T18:58:44Z","id":1800133,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2024-04-03T02:40:30Z","op_sys":"Unspecified","priority":"P2","severity":"S3","status":"REOPENED","summary":"16.22 - 12.09% displaylist_mutate \/ displaylist_mutate + 4 more (Linux, OSX, Windows) regression on Sun November 6 2022"},{"component":"Graphics: WebGPU","creation_time":"2022-12-29T15:37:47Z","id":1807935,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2024-03-21T20:20:06Z","op_sys":"Unspecified","priority":"P2","severity":"--","status":"NEW","summary":"12.07 - 10.81% perf_reftest_singletons bloom-basic-2.html \/ perf_reftest_singletons bloom-basic-2.html + 1 more (OSX) regression on Thu December 22 2022"},{"component":"Graphics: Canvas2D","creation_time":"2023-03-29T19:13:51Z","id":1825403,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2023-06-18T00:31:00Z","op_sys":"Linux","priority":"--","severity":"S3","status":"NEW","summary":"4.45% perf_reftest_singletons bidi-resolution-1.html (Linux) regression on Wed March 15 2023"},{"component":"Search","creation_time":"2023-04-10T06:48:08Z","id":1827167,"keywords":["perf","perf-alert","regression"],"last_change_time":"2023-05-23T14:54:15Z","op_sys":"Unspecified","priority":"P2","severity":"S3","status":"NEW","summary":"1.03 - 1.02% Base Content JS \/ Base Content JS + 2 more (Linux, OSX, Windows) regression on Mon April 3 2023"},{"component":"JavaScript Engine","creation_time":"2023-05-15T06:47:03Z","id":1833078,"keywords":["perf","perf-alert","regression"],"last_change_time":"2023-08-01T16:45:12Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"ASSIGNED","summary":"2.02% Base Content Heap Unclassified (Windows) regression on Mon May 8 2023"},{"component":"CSS Parsing and Computation","creation_time":"2023-06-21T12:03:19Z","id":1839620,"keywords":["perf","perf-alert","regression"],"last_change_time":"2023-07-11T02:35:25Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"4.81 - 4.27% stylebench \/ stylebench (Windows) regression on Thu June 8 2023"},{"component":"Site Reports","creation_time":"2023-07-09T11:32:20Z","id":1842437,"keywords":["perf-alert","regression","webcompat:contact-in-progress","webcompat:site-report","webcompat:sitepatch-applied"],"last_change_time":"2026-07-23T08:07:08Z","op_sys":"Unspecified","priority":"P1","severity":"S2","status":"REOPENED","summary":"Youtube back navigation has started to fail again in new tabs."},{"component":"Gecko Profiler","creation_time":"2023-07-10T12:29:54Z","id":1842590,"keywords":["perf-alert","regression"],"last_change_time":"2023-07-18T23:54:10Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"0.11% installer size (OSX) regression on Wed July 5 2023"},{"component":"General","creation_time":"2023-07-11T09:05:48Z","id":1842759,"keywords":["perf-alert","regression"],"last_change_time":"2023-08-04T01:53:30Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"2.7 - 2.67% compiler_metrics num_static_constructors \/ compiler_metrics num_static_constructors + 2 more (Linux, Windows) regression on Wed July 5 2023"},{"component":"CSS Parsing and Computation","creation_time":"2023-07-19T07:29:21Z","id":1844274,"keywords":["perf","perf-alert","regression"],"last_change_time":"2023-11-23T10:58:47Z","op_sys":"Android","priority":"P3","severity":"S3","status":"NEW","summary":"6.33% google-maps loadtime (Android) regression on Sun July 9 2023"},{"component":"Translations","creation_time":"2023-08-11T08:18:12Z","id":1848291,"keywords":["perf","perf-alert","regression"],"last_change_time":"2025-03-11T08:50:41Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"32.47 - 8.33% twitch SpeedIndex \/ reddit ContentfulSpeedIndex + 5 more (Linux, OSX, Windows) regression on Thu August 3 2023"},{"component":"Internationalization","creation_time":"2023-08-11T14:21:07Z","id":1848354,"keywords":["perf","perf-alert","regression"],"last_change_time":"2023-12-12T08:20:25Z","op_sys":"Unspecified","priority":"P1","severity":"S3","status":"NEW","summary":"10.43 - 5.31% wikipedia loadtime \/ wikipedia fcp + 3 more (OSX) regression on Mon August 7 2023"},{"component":"Translations","creation_time":"2023-08-17T13:50:50Z","id":1849155,"keywords":["perf","perf-alert","regression"],"last_change_time":"2023-09-07T15:29:55Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"2.04 - 1.95% google-mail FirstVisualChange \/ google-mail FirstVisualChange (Windows) regression on Tue August 8 2023"},{"component":"Inspector: Rules","creation_time":"2023-09-18T08:54:45Z","id":1853641,"keywords":["perf","perf-alert","regression"],"last_change_time":"2023-09-19T15:35:59Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"ASSIGNED","summary":"Investigate unexpected DAMP tests improvement"},{"component":"Widget: Gtk","creation_time":"2023-09-19T07:32:00Z","id":1853858,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-10-17T00:58:52Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"9.16 - 3.75% facebook LastVisualChange \/ yahoo-mail SpeedIndex + 1 more (Linux) regression on Thu September 14 2023"},{"component":"Widget: Gtk","creation_time":"2023-09-20T06:58:57Z","id":1854057,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-10-17T00:58:58Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"3.38% yahoo-mail SpeedIndex (Linux) regression on Thu September 14 2023"},{"component":"CSS Parsing and Computation","creation_time":"2023-09-21T14:51:44Z","id":1854401,"keywords":["perf-alert","regression"],"last_change_time":"2023-11-28T20:55:19Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"0.27% installer size (OSX) regression on Fri September 15 2023"},{"component":"Performance","creation_time":"2023-10-19T20:23:19Z","id":1860168,"keywords":["perf","perf-alert","regression"],"last_change_time":"2025-05-05T02:09:30Z","op_sys":"Unspecified","priority":"P2","severity":"S3","status":"NEW","summary":"17.63 - 8.9% assorted-dom \/ assorted-dom (Linux) regression on Fri October 13 2023"},{"component":"DOM: Navigation","creation_time":"2023-11-21T14:07:09Z","id":1865831,"keywords":["perf","perf-alert","regression"],"last_change_time":"2023-12-18T13:18:10Z","op_sys":"Unspecified","priority":"--","severity":"S4","status":"NEW","summary":"11.66 - 2.62% facebook-cristiano ContentfulSpeedIndex \/ paypal loadtime + 2 more (Android, Windows) regression on Tue November 14 2023"},{"component":"DOM: Core & HTML","creation_time":"2023-11-27T13:19:35Z","id":1866783,"keywords":["perf","perf-alert","regression"],"last_change_time":"2025-03-20T19:32:49Z","op_sys":"Unspecified","priority":"P3","severity":"S4","status":"NEW","summary":"3.22 - 2.04% Base Content Heap Unclassified \/ Base Content Heap Unclassified + 1 more (Linux, Windows) regression on Tue November 21 2023"},{"component":"Console","creation_time":"2023-12-11T09:39:23Z","id":1869244,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-01-09T13:28:05Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"17.93 - 12.89% damp console.autocomplete.longInput \/ damp console.autocomplete.longInput + 8 more (Linux, OSX, Windows) regression on Tue November 14 2023"},{"component":"Audio\/Video","creation_time":"2023-12-14T16:17:57Z","id":1870074,"keywords":["perf-alert","regression"],"last_change_time":"2024-02-06T16:33:40Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"1.94 - 1.83% compiler_metrics num_static_constructors \/ compiler_metrics num_static_constructors (Windows) regression on Fri December 8 2023"},{"component":"Performance: General","creation_time":"2023-12-15T15:13:33Z","id":1870279,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2024-03-14T19:23:27Z","op_sys":"Unspecified","priority":"P3","severity":"S4","status":"NEW","summary":"30 - 6.86% perf_reftest_singletons getElementById-1.html \/ perf_reftest_singletons attr-selector-1.html + 3 more (Linux) regression on Fri December 8 2023"},{"component":"Graphics: Canvas2D","creation_time":"2023-12-19T16:16:00Z","id":1870869,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2024-01-19T16:06:37Z","op_sys":"Unspecified","priority":"P2","severity":"S3","status":"NEW","summary":"13.66 - 6.8% canvas2dvideo Mean tick time across 100 ticks: \/ canvas2dvideo Mean tick time across 100 ticks: + 1 more (Windows) regression on Thu December 7 2023"},{"component":"Audio\/Video","creation_time":"2023-12-27T14:24:08Z","id":1872152,"keywords":["perf-alert","regression"],"last_change_time":"2024-02-07T14:42:17Z","op_sys":"Unspecified","priority":"--","severity":"S4","status":"NEW","summary":"8.16 - 3.36% compiler_metrics num_static_constructors \/ compiler_metrics num_static_constructors + 2 more (Linux, OSX) regression on Tue December 19 2023"},{"component":"Inspector: Rules","creation_time":"2024-01-15T08:09:32Z","id":1874648,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-01-16T16:47:02Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"3.55 - 2.25% damp console.typing \/ damp console.autocomplete.longInput + 3 more (Windows) regression on Thu January 11 2024"},{"component":"Debugger","creation_time":"2024-01-19T13:05:49Z","id":1875468,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-05-20T14:59:31Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"17.06 - 4.16% damp custom.styleeditor.close.DAMP \/ damp custom.styleeditor.open.DAMP + 9 more (Linux, Windows) regression on Mon January 15 2024"},{"component":"Debugger","creation_time":"2024-01-19T13:22:12Z","id":1875471,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-03-05T16:35:21Z","op_sys":"Unspecified","priority":"P2","severity":"S3","status":"NEW","summary":"39.34 - 4.63% damp custom.pretty-print.jsdebugger.reload.DAMP \/ damp server.protocoljs.DAMP + 5 more (Linux, Windows) regression on Tue January 16 2024"},{"component":"Inspector: Rules","creation_time":"2024-02-05T09:14:03Z","id":1878614,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-04-15T17:25:45Z","op_sys":"Unspecified","priority":"P2","severity":"S3","status":"NEW","summary":"23.2 - 2.91% damp custom.inspector.collapseall.manychildren \/ damp custom.inspector.close.DAMP + 9 more (Linux, OSX, Windows) regression on Tue January 30 2024"},{"component":"Source Editor","creation_time":"2024-02-09T21:18:54Z","id":1879653,"keywords":["perf-alert","regression"],"last_change_time":"2024-02-14T10:36:26Z","op_sys":"Unspecified","priority":"P2","severity":"S3","status":"NEW","summary":"0.21% installer size (OSX) regression on Thu February 8 2024"},{"component":"Widget: Gtk","creation_time":"2024-03-04T08:37:03Z","id":1883308,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-10-17T01:05:24Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"28.5 - 8.25% damp console.typing \/ damp console.autocomplete + 2 more (Linux) regression on Wed February 28 2024"},{"component":"CSS Parsing and Computation","creation_time":"2024-03-21T15:00:54Z","id":1886780,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2024-10-22T21:10:57Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"5.61 - 5.19% perf_reftest_singletons many-custom-props.html \/ perf_reftest_singletons many-custom-props.html (OSX) regression on Mon March 11 2024"},{"component":"Debugger","creation_time":"2024-04-18T14:19:28Z","id":1892244,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-05-06T09:56:54Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"19.88% damp custom.jsdebugger.preview.DAMP (Windows) regression on Thu April 4 2024"},{"component":"Audio\/Video","creation_time":"2024-04-30T16:21:41Z","id":1894281,"keywords":["perf-alert","regression"],"last_change_time":"2024-05-09T10:29:38Z","op_sys":"Unspecified","priority":"P5","severity":"S4","status":"NEW","summary":"6.16 - 6.12% compiler_metrics num_static_constructors \/ compiler_metrics num_static_constructors (Windows) regression on Thu April 25 2024"},{"component":"Audio\/Video","creation_time":"2024-04-30T16:23:16Z","id":1894283,"keywords":["perf-alert","regression"],"last_change_time":"2024-05-09T11:16:28Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"1.94 - 1.92% compiler_metrics num_static_constructors \/ compiler_metrics num_static_constructors (Windows) regression on Mon April 29 2024"},{"component":"CSS Transitions and Animations","creation_time":"2024-04-30T21:33:07Z","id":1894368,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-07-18T07:39:16Z","op_sys":"Unspecified","priority":"--","severity":"S4","status":"NEW","summary":"41.52 - 20.11% google-maps LastVisualChange \/ google-maps LastVisualChange (Android) regression on Wed April 17 2024"},{"component":"String","creation_time":"2024-05-14T18:57:56Z","id":1896729,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2024-06-06T18:58:57Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"15.35 - 9.97% perf_reftest_singletons external-string-pass.html \/ perf_reftest_singletons external-string-pass.html (OSX) regression on Thu May 9 2024"},{"component":"Session Restore","creation_time":"2024-05-16T07:30:13Z","id":1897076,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-06-04T15:41:53Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"5.78 - 2.23% outlook ContentfulSpeedIndex \/ outlook SpeedIndex + 2 more (Linux, Windows) regression on Tue May 7 2024"},{"component":"Talos","creation_time":"2024-06-20T10:59:29Z","id":1903756,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2024-08-22T17:43:24Z","op_sys":"Unspecified","priority":"P5","severity":"S4","status":"NEW","summary":"28.85 - 10.25% tsvgx \/ tsvgx + 4 more (Linux, OSX, Windows) regression on Mon June 10 2024"},{"component":"Graphics: WebRender","creation_time":"2024-07-04T16:04:57Z","id":1906325,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-09-21T04:41:04Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"4.28 - 2.3% google-slides LastVisualChange \/ google-slides LastVisualChange + 5 more (OSX, Windows) regression on Tue June 25 2024"},{"component":"Tabbed Browser","creation_time":"2024-07-04T18:41:02Z","id":1906353,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2024-08-23T21:22:37Z","op_sys":"Unspecified","priority":"P3","severity":"S4","status":"NEW","summary":"3.04 - 2.06% tart \/ tart + 2 more (OSX, Windows) regression on Wed June 26 2024"},{"component":"Theme","creation_time":"2024-07-22T21:11:05Z","id":1909338,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2024-09-12T16:56:08Z","op_sys":"Unspecified","priority":"P2","severity":"S4","status":"NEW","summary":"2.15 - 1.65% tart \/ tart (Windows) regression on Tue July 9 2024"},{"component":"Layout","creation_time":"2024-07-25T09:44:13Z","id":1909836,"keywords":["perf","perf-alert","regression"],"last_change_time":"2025-03-11T08:51:43Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"11.17 - 2.96% reddit SpeedIndex \/ reddit loadtime + 2 more (Linux, OSX, Windows) regression on Sat July 20 2024"},{"component":"Debugger","creation_time":"2024-08-13T14:40:45Z","id":1912968,"keywords":["devtools-perf-regression","perf","perf-alert","regression"],"last_change_time":"2024-08-22T10:08:37Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"8.65 - 5.66% damp jstracer.server-performance.DAMP \/ damp jstracer.webconsole-performance.DAMP + 2 more (Linux) regression on Fri August 2 2024"},{"component":"JavaScript Engine","creation_time":"2024-08-14T14:18:38Z","id":1913159,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-08-28T15:37:13Z","op_sys":"Unspecified","priority":"P3","severity":"S4","status":"NEW","summary":"0.28 - 0.27% Base Content JS \/ Base Content JS (OSX, Windows) regression on Wed August 7 2024"},{"component":"SVG","creation_time":"2024-08-23T06:57:37Z","id":1914554,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-10-10T20:15:35Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"Regression on SP3-Charts-observable-plot around 21Aug2024"},{"component":"SVG","creation_time":"2024-09-09T10:42:04Z","id":1917560,"keywords":["perf","perf-alert","regression"],"last_change_time":"2024-11-05T17:01:55Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"REOPENED","summary":"14 - 2.61% speedometer3 React-Stockcharts-SVG\/total + 17 more (Linux, OSX, Windows) regression on Tue August 27 2024"},{"component":"Graphics: CanvasWebGL","creation_time":"2024-09-12T13:49:39Z","id":1918406,"keywords":["perf-alert","regression"],"last_change_time":"2024-09-20T21:01:06Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"0.5 - 0.22% installer size \/ installer size + 4 more (OSX) regression on Wed September 11 2024"},{"component":"Webext Storage","creation_time":"2024-12-24T12:28:44Z","id":1939022,"keywords":["perf-alert","regression"],"last_change_time":"2025-01-24T15:17:18Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"0.64% installer size (Windows) regression on Fri December 20 2024"},{"component":"Webext Storage","creation_time":"2024-12-27T12:28:49Z","id":1939258,"keywords":["perf-alert","regression"],"last_change_time":"2025-02-04T09:44:44Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"1.03 - 0.79% installer size \/ installer size + 2 more (Linux, OSX) regression on Sat December 21 2024"},{"component":"Layout","creation_time":"2025-01-03T16:14:07Z","id":1939888,"keywords":["backlog-deferred","perf","perf-alert","regression"],"last_change_time":"2025-02-15T17:05:00Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"12.44% Heap Unclassified Fresh start [+30s] (Linux) regression on Wed October 30 2024"},{"component":"Memory Allocator","creation_time":"2025-01-27T15:46:24Z","id":1944005,"keywords":["backlog-deferred","perf","perf-alert","regression"],"last_change_time":"2025-10-20T20:34:03Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"2.73% google-search LastVisualChange (Linux) regression on Fri January 17 2025"},{"component":"Debugger","creation_time":"2025-01-28T12:01:57Z","id":1944270,"keywords":["devtools-perf-regression","perf","perf-alert"],"last_change_time":"2025-01-31T02:52:29Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"8.95% damp source-map.SourceMapGenerator-toString.DAMP (Windows) regression on Tue January 21 2025"},{"component":"New Tab Page","creation_time":"2025-03-21T12:04:29Z","id":1955585,"keywords":["backlog-deferred","perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-04-27T06:38:07Z","op_sys":"Unspecified","priority":"P3","severity":"S4","status":"NEW","summary":"3.54% startup_about_home_paint_cached (Windows) regression on Mon March 17 2025"},{"component":"PDF Viewer","creation_time":"2025-04-03T12:50:35Z","id":1958264,"keywords":["backlog-deferred","perf","perf-alert","regression","talos-regression"],"last_change_time":"2025-05-08T19:45:39Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"56.17 - 6.08% pdfpaint issue12295.pdf \/ pdfpaint issue17981.pdf + 23 more (Linux, OSX, Windows) regression on Mon March 24 2025"},{"component":"Homepage","creation_time":"2025-04-04T17:50:32Z","id":1958554,"keywords":["backlog-deferred","perf","perf-alert","regression"],"last_change_time":"2025-09-18T16:19:15Z","op_sys":"Android","priority":"--","severity":"--","status":"NEW","summary":"777.23 - 2.98% background-resource cpuTime-total-backgrounding-diff \/ applink-startup-first-frame cold_main_first_frame.median + 101 more (Android) regression on Thu March 27 2025"},{"component":"PDF Viewer","creation_time":"2025-04-04T17:57:15Z","id":1958555,"keywords":["backlog-deferred","perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-03-16T07:04:11Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"8.99 - 6.11% pdfpaint issue12295.pdf \/ pdfpaint issue12810.pdf + 5 more (Linux, Windows) regression on Thu March 27 2025"},{"component":"Layout: Positioned","creation_time":"2025-04-14T12:37:56Z","id":1960338,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2025-04-29T13:07:46Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"ASSIGNED","summary":"5.35% perf_reftest_singletons insert-nth-edge-has-pseudo.html (Linux) regression on Tue April 8 2025"},{"component":"General","creation_time":"2025-05-28T15:47:20Z","id":1968988,"keywords":["backlog-deferred","perf","perf-alert","regression"],"last_change_time":"2025-10-23T19:46:04Z","op_sys":"Android","priority":"P1","severity":"S2","status":"NEW","summary":"32.59 - 2.04% bing-search-restaurants FirstVisualChange \/ youtube LastVisualChange + 79 more (Android) regression on Mon May 19 2025"},{"component":"DOM: Navigation","creation_time":"2025-06-02T11:27:25Z","id":1969857,"keywords":["backlog-deferred","perf","perf-alert","regression"],"last_change_time":"2025-11-08T13:38:35Z","op_sys":"Android","priority":"--","severity":"--","status":"NEW","summary":"12.28 - 5.38% espn loadtime \/ bild-de LastVisualChange + 2 more (Android) regression on Mon May 19 2025"},{"component":"Search","creation_time":"2025-06-16T12:19:22Z","id":1972310,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-10-15T19:11:00Z","op_sys":"Android","priority":"--","severity":"S3","status":"ASSIGNED","summary":"7.31 - 5.26% baseline-profile:fenix cold_startup.no_baseline.minimum \/ baseline-profile:fenix cold_startup.baseline.maximum + 1 more (Android) regression on Sat June 7 2025"},{"component":"Panning and Zooming","creation_time":"2025-07-03T11:14:42Z","id":1975418,"keywords":["perf","perf-alert","regression"],"last_change_time":"2025-09-18T15:19:43Z","op_sys":"Unspecified","priority":"P2","severity":"S3","status":"ASSIGNED","summary":"23.09 - 4.67% expedia ContentfulSpeedIndex \/ fandom SpeedIndex + 5 more (Linux, OSX) regression on Sun June 29 2025"},{"component":"Performance","creation_time":"2025-07-10T09:17:30Z","id":1976641,"keywords":["backlog-deferred","perf","perf-alert","regression","talos-regression"],"last_change_time":"2025-10-23T09:52:07Z","op_sys":"Android","priority":"P3","severity":"S4","status":"NEW","summary":"1500 - 12.69% background-resource cpuTime-crashhelper-background-diff \/ foreground-resource rss-crashhelper-start + 18 more (Android) regression on Fri July 4 2025"},{"component":"General","creation_time":"2025-07-11T16:23:26Z","id":1976928,"keywords":["backlog-deferred","perf","perf-alert","regression"],"last_change_time":"2025-10-02T08:28:55Z","op_sys":"Android","priority":"P3","severity":"S2","status":"NEW","summary":"8.82 - 2.79% vpl-h264 estimatedAnyFrameLatency \/ vpl-h264 lastFrame + 19 more (Android) regression on Fri July 4 2025"},{"component":"General","creation_time":"2025-10-09T14:08:20Z","id":1993498,"keywords":["devtools-perf-regression","perf","perf-alert","regression"],"last_change_time":"2025-11-18T16:53:31Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"249.79% target:parent-process memory (Linux) regression on Fri September 19 2025"},{"component":"CSS Parsing and Computation","creation_time":"2025-11-14T16:46:57Z","id":2000258,"keywords":["backlog-deferred","perf","perf-alert","regression","talos-regression"],"last_change_time":"2025-12-01T14:20:05Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"5.53 - 5.32% perf_reftest_singletons nth-index-1.html \/ perf_reftest_singletons nth-index-2.html (Linux) regression."},{"component":"Graphics: WebRender","creation_time":"2026-03-04T13:29:33Z","id":2020981,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-03-17T16:12:24Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"39.23 - 4.23% bing-search FirstVisualChange + 12 more (Android, OSX) regression on Mon February 23 2026"},{"component":"PDF Viewer","creation_time":"2026-03-19T10:23:59Z","id":2024581,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-04-17T15:54:25Z","op_sys":"Unspecified","priority":"P1","severity":"S3","status":"ASSIGNED","summary":"87.12 - 6.07% pdfpaint issue12295.pdf + 42 more (Linux, OSX, Windows) regression on Mon March 16 2026"},{"component":"Performance","creation_time":"2026-03-26T10:18:09Z","id":2026559,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-06-02T11:18:39Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"NEW","summary":"8.61 - 3.79% bing-search ContentfulSpeedIndex + 1 more (Linux) regression on Fri March 20 2026"},{"component":"Performance","creation_time":"2026-04-16T14:37:11Z","id":2032455,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-05-06T13:53:11Z","op_sys":"Unspecified","priority":"P3","severity":"S4","status":"NEW","summary":"31.77 - 17.12% cnn powerUsage_cpu_cores + 1 more (Windows) regression on Wed April 8 2026"},{"component":"General","creation_time":"2026-05-08T14:01:33Z","id":2038228,"keywords":["perf-alert","regression"],"last_change_time":"2026-05-11T02:48:46Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"50% sccache cache_errors + 14 more (Android) regression on Wed May 6 2026"},{"component":"Storage: Quota Manager","creation_time":"2026-07-22T13:18:10Z","id":2056884,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-10-28T08:17:07Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"544.58 - 8.14% idb-open-many-seq delete_duration + 5 more (Linux) regression on Thu July 16 2026"},{"component":"Talos","creation_time":"2026-08-04T13:16:43Z","id":2060512,"keywords":["backlog-deferred","perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-08-28T09:11:53Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"17.05 - 16% tsvg_static + 3 more (OSX, Windows) regression on Tue July 28 2026"},{"component":"Sidebar","creation_time":"2026-08-06T10:55:38Z","id":2061156,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-08-19T13:31:45Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"27.72 - 15.96% pdfpaint issue1419.pdf + 2 more (OSX, Windows) regression on Wed July 29 2026"},{"component":"New Tab Page","creation_time":"2026-08-24T14:00:37Z","id":2066121,"keywords":["backlog-deferred","devtools-perf-regression","perf","perf-alert","regression"],"last_change_time":"2026-09-23T19:48:58Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"ASSIGNED","summary":"6.42 - 5% damp browser-toolbox.styleeditor-ready.DAMP + 1 more (Linux, Windows) regression on Tue August 18 2026"},{"component":"Memory Allocator","creation_time":"2026-08-30T16:05:53Z","id":2067590,"keywords":["backlog-deferred","perf-alert","regression"],"last_change_time":"2026-10-20T07:32:02Z","op_sys":"Unspecified","priority":"--","severity":"S3","status":"REOPENED","summary":"Foreground content processes do not get more dirty pages headroom"},{"component":"Audio\/Video","creation_time":"2026-08-31T06:45:46Z","id":2067634,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-09-21T12:11:36Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"ASSIGNED","summary":"1141.78 - 8.96% ve-h264-rt-sd-cam avc1.42001E (annexb) camera realtime encode - frame-to-frame cv (non key) + 37 more (OSX, Windows) regression on Wed August 26 2026"},{"component":"Homepage","creation_time":"2026-09-18T12:37:52Z","id":2073467,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-11-03T18:39:49Z","op_sys":"Android","priority":"--","severity":"S2","status":"ASSIGNED","summary":"3428.45 - 4.5% background-resource cpuTime-main-backgrounding-diff + 97 more (Android) regression on Fri September 11 2026"},{"component":"JavaScript Engine: JIT","creation_time":"2026-10-08T12:24:07Z","id":2079713,"keywords":["backlog-deferred","perf","perf-alert","regression"],"last_change_time":"2026-10-27T06:58:38Z","op_sys":"Unspecified","priority":"P2","severity":"S3","status":"NEW","summary":"8.27 - 3% google-docs FirstVisualChange + 7 more (Linux, OSX, Windows) regression on Mon October 5 2026"},{"component":"Performance","creation_time":"2026-10-20T16:33:47Z","id":2084291,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-11-06T01:47:24Z","op_sys":"Unspecified","priority":"P5","severity":"S4","status":"ASSIGNED","summary":"20.56 - 3.88% reddit-billgates-post-2.top fcp + 16 more (Android, Linux, Windows) regression on Thu October 15 2026"},{"component":"Security: PSM","creation_time":"2026-10-27T14:26:44Z","id":2086114,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-11-10T08:07:01Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"2.49 - 2.38% browser_translations_perf_tiny.js post-gc-parent-process-memory-usage + 3 more (OSX) regression on Thu October 22 2026"},{"component":"Performance","creation_time":"2026-10-28T07:50:04Z","id":2086477,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-11-06T01:47:48Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"1013.33 - 2.5% perf_reftest nth-index-1.html + 30 more (Linux, OSX, Windows) regression on Thu October 22 2026"},{"component":"DOM: Navigation","creation_time":"2026-10-28T10:06:37Z","id":2086522,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-11-10T13:46:29Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"86.57 - 7.2% wikipedia largestContentfulPaint + 5 more (Linux, OSX) regression on Fri October 23 2026"},{"component":"Audio\/Video","creation_time":"2026-10-30T08:59:45Z","id":2087415,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-11-09T16:11:40Z","op_sys":"Android","priority":"P2","severity":"S3","status":"ASSIGNED","summary":"9.25 - 2.17% vpl-h264 estimatedAnyFrameLatency + 4 more (Android) regression on Tue October 27 2026"},{"component":"DOM: Core & HTML","creation_time":"2026-11-02T11:31:23Z","id":2088019,"keywords":["devtools-perf-regression","perf","perf-alert","regression"],"last_change_time":"2026-11-10T14:39:11Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"4.54 - 3.7% damp console.log-in-loop-content-process-string + 15 more (Linux, OSX) regression on Tue October 27 2026"},{"component":"Layout: Text and Fonts","creation_time":"2026-11-03T12:25:50Z","id":2088451,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-11-09T10:44:07Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"7.54 - 2.1% google-mail ContentfulSpeedIndex + 2 more (Linux) regression on Wed October 28 2026"},{"component":"JavaScript Engine: JIT","creation_time":"2026-11-04T06:45:12Z","id":2088763,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-11-09T16:18:04Z","op_sys":"Unspecified","priority":"P3","severity":"S3","status":"NEW","summary":"17.24 - 16.52% dromaeo_dom + 1 more (Linux) regression on Wed October 28 2026"},{"component":"Graphics: WebRender","creation_time":"2026-11-06T12:13:01Z","id":2090044,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-11-08T18:57:58Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"12.59 - 1.17% reddit-billgates-post-2.billg PerceptualSpeedIndex + 3 more (Linux, OSX) regression on Wed November 4 2026"},{"component":"Privacy: Anti-Tracking","creation_time":"2026-11-06T12:37:38Z","id":2090050,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-11-10T09:16:19Z","op_sys":"Unspecified","priority":"P2","severity":"S3","status":"ASSIGNED","summary":"4.96 - 4.18% vpl-av1 secondFrame + 1 more (Linux) regression on Mon November 2 2026"},{"component":"Toolchains","creation_time":"2026-11-06T16:32:20Z","id":2090214,"keywords":["perf-alert","regression"],"last_change_time":"2026-11-09T10:12:52Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"62.5 - 53.42% compiler_metrics num_static_constructors + 1 more (Windows) regression on Fri November 6 2026"},{"component":"Toolchains","creation_time":"2026-11-09T09:55:03Z","id":2090871,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-11-09T11:06:58Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"7.83 - 1.01% jetstream3 first-inspector-code-load-First + 13 more (OSX, Windows) regression on Fri November 6 2026"},{"component":"Graphics: CanvasWebGL","creation_time":"2026-11-09T13:30:41Z","id":2090939,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-11-10T15:30:36Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"39.34 - 24.83% offscreencanvas_webcodecs_main_webgl_vp9 offscreencanvas_webcodecs_main_webgl_vp9 Mean time across 100 frames: + 1 more (OSX) regression on Fri November 6 2026"},{"component":"Toolchains","creation_time":"2026-11-09T15:21:45Z","id":2090985,"keywords":["perf","perf-alert","regression"],"last_change_time":"2026-11-09T15:21:45Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"15.96 - 4.58% browser_removeManySpellingErrors.js A11Y_TotalTime + 2 more (Windows) regression on Fri November 6 2026"},{"component":"Toolchains","creation_time":"2026-11-09T15:36:16Z","id":2090995,"keywords":["devtools-perf-regression","perf","perf-alert","regression"],"last_change_time":"2026-11-09T15:36:16Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"6.74 - 2.01% damp jstracer.profiler-recording-performance.DAMP + 11 more (Windows) regression on Fri November 6 2026"},{"component":"General","creation_time":"2026-11-10T10:18:23Z","id":2091324,"keywords":["devtools-perf-regression","perf","perf-alert","regression"],"last_change_time":"2026-11-10T16:52:23Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"11.02 - 2.16% damp custom.jsdebugger.stepOut.DAMP + 6 more (OSX) regression on Wed November 4 2026"},{"component":"PDF Viewer","creation_time":"2026-11-10T13:27:31Z","id":2091391,"keywords":["perf-alert","regression"],"last_change_time":"2026-11-10T18:03:54Z","op_sys":"Unspecified","priority":"P1","severity":"S3","status":"ASSIGNED","summary":"0.18% installer size (Windows) regression on Fri November 6 2026"},{"component":"Toolchains","creation_time":"2026-11-10T13:50:12Z","id":2091397,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-11-10T13:50:12Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"11.92 - 3.7% perf_reftest_singletons link-style-cache-1.html + 7 more (OSX, Windows) regression on Fri November 6 2026"},{"component":"PDF Viewer","creation_time":"2026-11-10T13:56:28Z","id":2091402,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-11-10T14:44:54Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"101.99 - 6.02% pdfpaint_main_hwa perf_text_standard14.pdf + 28 more (Linux, OSX, Windows) regression on Fri November 6 2026"},{"component":"Debugger","creation_time":"2026-11-10T14:30:07Z","id":2091416,"keywords":["devtools-perf-regression","perf","perf-alert","regression"],"last_change_time":"2026-11-10T15:44:42Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"2.55% reload-debugger:content-process objects-with-stacks (Linux) regression on Fri November 6 2026"},{"component":"Cycle Collector","creation_time":"2026-11-10T14:35:26Z","id":2091417,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-11-10T15:05:52Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"9.06% perf_reftest_singletons line-iterator.html (OSX) regression on Fri November 6 2026"},{"component":"PDF Viewer","creation_time":"2026-11-10T14:51:19Z","id":2091429,"keywords":["perf","perf-alert","regression","talos-regression"],"last_change_time":"2026-11-10T15:44:37Z","op_sys":"Unspecified","priority":"--","severity":"--","status":"NEW","summary":"16.91 - 13.94% pdfpaint bug1791583.pdf + 1 more (Linux, Windows) regression on Thu November 5 2026"}]}