-{"bugs":[{"status":"ASSIGNED","op_sys":"Unspecified","severity":"S2","priority":"P1","component":"Networking: HTTP","last_change_time":"2025-09-22T17:43:02Z","creation_time":"2023-09-13T10:36:04Z","summary":"H3 upload Speed still slow. Three times slower than other browsers.","keywords":["leave-open","perf:responsiveness","reproducible","top50","webcompat:platform-bug"],"id":1852924},{"keywords":[],"summary":"Browser UI hang in sqlite3PagerSharedLock during LoginManagerCrypto decryption (via sqlite usage during NSC_DecryptInit for SDR crypto)","id":1963814,"component":"Password Manager","status":"ASSIGNED","op_sys":"All","severity":"--","priority":"--","creation_time":"2025-05-01T13:52:50Z","last_change_time":"2025-07-03T16:42:57Z"},{"id":1602842,"keywords":["perf:responsiveness"],"summary":"OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays","creation_time":"2019-12-10T17:22:25Z","last_change_time":"2025-07-01T19:28:26Z","component":"Widget: Cocoa","op_sys":"Unspecified","status":"NEW","severity":"S3","priority":"P3"},{"id":1677509,"keywords":["perf:responsiveness"],"summary":"SendReceiveMouseInputEvent often blocks the main thread of the parent process","creation_time":"2020-11-16T15:30:13Z","last_change_time":"2025-05-28T19:20:30Z","component":"Panning and Zooming","op_sys":"Unspecified","status":"NEW","severity":"S3","priority":"--"},{"summary":"Lazy font loading can still hang the main thread on Windows","keywords":["perf:responsiveness"],"id":1688951,"op_sys":"Windows","status":"NEW","severity":"S3","priority":"--","component":"Layout: Text and Fonts","last_change_time":"2025-08-22T20:22:21Z","creation_time":"2021-01-26T19:14:50Z"},{"status":"NEW","op_sys":"Unspecified","priority":"--","severity":"--","component":"Performance: General","last_change_time":"2025-03-11T08:41:57Z","creation_time":"2021-01-28T16:03:57Z","summary":"[Meta] investigate performance issues on Reddit.","keywords":["meta"],"id":1689392},{"id":1771179,"summary":"AudioContext power optimizations","keywords":["perf:resource-use","reproducible"],"last_change_time":"2025-09-17T01:08:29Z","creation_time":"2022-05-25T16:56:04Z","priority":"P2","severity":"S3","status":"NEW","op_sys":"Unspecified","component":"Web Audio"},{"op_sys":"Unspecified","status":"NEW","severity":"S2","priority":"P2","component":"Performance","last_change_time":"2025-03-10T23:42:15Z","creation_time":"2022-08-31T21:19:22Z","summary":"Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab","keywords":["perf:resource-use","perf:responsiveness","reproducible"],"id":1788530},{"last_change_time":"2025-10-30T20:58:10Z","creation_time":"2023-04-05T14:45:37Z","status":"NEW","op_sys":"Android","priority":"--","severity":"S3","component":"Graphics: WebRender","id":1826576,"summary":"CSS filter() with invert() and hue-rotate() results in sluggish scrolling on Wikipedia","keywords":["webcompat:platform-bug"]},{"creation_time":"2023-08-18T17:52:57Z","last_change_time":"2025-10-13T08:56:16Z","component":"Session Restore","op_sys":"Unspecified","status":"NEW","priority":"P3","severity":"S3","id":1849393,"keywords":["perf","perf:responsiveness"],"summary":"Firefox regularly hangs for over half a second in SessionWriter.sys.mjs calling IOUtils.writeJSON serializing a massive JS object when saving tab state"},{"priority":"P2","severity":"S2","status":"NEW","op_sys":"Unspecified","component":"Storage: Quota Manager","last_change_time":"2025-11-05T15:23:53Z","creation_time":"2024-06-19T11:50:31Z","summary":"Frequent long janks on Android on loading certain pages","keywords":[],"id":1903530},{"creation_time":"2024-11-04T09:34:27Z","last_change_time":"2025-03-20T03:11:36Z","component":"Site Reports","status":"NEW","op_sys":"Windows 10","priority":"P2","severity":"S2","id":1928948,"keywords":["webcompat:needs-contact","webcompat:site-report"],"summary":"vizzy.io - The browser is slowed down and eventually stops responding"},{"last_change_time":"2025-11-21T22:45:42Z","creation_time":"2025-04-30T12:23:32Z","op_sys":"Unspecified","status":"NEW","priority":"P1","severity":"S2","component":"JavaScript Engine","id":1963578,"summary":"ChatGPT on clean Firefox install - \"This page is slowing down Firefox.\"","keywords":[]},{"creation_time":"2025-06-12T19:54:27Z","last_change_time":"2025-07-04T18:23:19Z","component":"Performance: Navigation","severity":"S3","priority":"P3","status":"NEW","op_sys":"Android","id":1971873,"keywords":["perf:pageload"],"summary":"m.facebook.com live site loads 100-200ms slower in Fenix than Chrome"},{"creation_time":"2025-10-22T15:48:12Z","last_change_time":"2025-11-19T22:29:16Z","component":"Performance Engineering","priority":"P3","severity":"S2","status":"NEW","op_sys":"Unspecified","id":1995805,"keywords":[],"summary":"Fenix cold start applink navigation performance ~1500ms slower than warm, hot scenarios, p75"},{"creation_time":"2019-05-10T14:52:25Z","last_change_time":"2025-07-01T14:09:09Z","component":"Crash Reporting","op_sys":"Unspecified","status":"REOPENED","severity":"S3","priority":"--","id":1550754,"keywords":["perf:responsiveness","perf:startup","reproducible"],"summary":"ContentParent::KillHard janks the main thread"}]}
0 commit comments