bugzilla-data-high.json

{"bugs":[{"creation_time":"2025-05-01T13:52:50Z","status":"ASSIGNED","op_sys":"All","last_change_time":"2026-03-07T06:21:30Z","summary":"Browser UI hang in sqlite3PagerSharedLock during LoginManagerCrypto decryption (via sqlite usage during NSC_DecryptInit for SDR crypto)","priority":"--","severity":"--","keywords":[],"id":1963814,"component":"Password Manager"},{"keywords":["perf:responsiveness"],"severity":"S3","summary":"OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays","priority":"P3","last_change_time":"2025-07-01T19:28:26Z","status":"NEW","op_sys":"Unspecified","creation_time":"2019-12-10T17:22:25Z","component":"Widget: Cocoa","id":1602842},{"component":"Panning and Zooming","id":1677509,"summary":"SendReceiveMouseInputEvent often blocks the main thread of the parent process","priority":"--","severity":"S3","keywords":["perf:responsiveness"],"creation_time":"2020-11-16T15:30:13Z","op_sys":"Unspecified","status":"NEW","last_change_time":"2025-05-28T19:20:30Z"},{"component":"Layout: Text and Fonts","id":1688951,"severity":"S3","keywords":["perf:responsiveness"],"summary":"Lazy font loading can still hang the main thread on Windows","priority":"--","op_sys":"Windows","status":"NEW","last_change_time":"2026-02-28T12:23:08Z","creation_time":"2021-01-26T19:14:50Z"},{"summary":"[Meta] investigate performance issues on Reddit.","priority":"--","severity":"--","keywords":["meta"],"creation_time":"2021-01-28T16:03:57Z","status":"NEW","op_sys":"Unspecified","last_change_time":"2025-03-11T08:41:57Z","component":"Performance: General","id":1689392},{"summary":"AudioContext power optimizations","priority":"P2","severity":"S3","keywords":["perf:resource-use","reproducible"],"creation_time":"2022-05-25T16:56:04Z","last_change_time":"2025-11-26T06:43:39Z","op_sys":"Unspecified","status":"NEW","component":"Web Audio","id":1771179},{"keywords":["perf:resource-use","perf:responsiveness","reproducible"],"severity":"S2","summary":"Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab","priority":"P2","op_sys":"Unspecified","status":"NEW","last_change_time":"2025-03-10T23:42:15Z","creation_time":"2022-08-31T21:19:22Z","component":"Performance","id":1788530},{"severity":"S3","keywords":["webcompat:platform-bug"],"priority":"--","summary":"CSS filter() with invert() and hue-rotate() results in sluggish scrolling on Wikipedia","op_sys":"Android","status":"NEW","last_change_time":"2025-10-30T20:58:10Z","creation_time":"2023-04-05T14:45:37Z","component":"Graphics: WebRender","id":1826576},{"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":"P3","severity":"S3","keywords":["perf","perf:responsiveness"],"creation_time":"2023-08-18T17:52:57Z","status":"NEW","op_sys":"Unspecified","last_change_time":"2026-03-10T16:53:28Z","component":"Session Restore","id":1849393},{"component":"Storage: Quota Manager","id":1903530,"keywords":[],"severity":"S2","summary":"Frequent long janks on Android on loading certain pages","priority":"P2","op_sys":"Unspecified","status":"NEW","last_change_time":"2026-04-15T14:32:25Z","creation_time":"2024-06-19T11:50:31Z"},{"component":"Site Reports","id":1928948,"summary":"vizzy.io - The browser is slowed down and eventually stops responding","priority":"P2","severity":"S2","keywords":["webcompat:needs-contact","webcompat:site-report"],"creation_time":"2024-11-04T09:34:27Z","last_change_time":"2025-03-20T03:11:36Z","op_sys":"Windows 10","status":"NEW"},{"id":1963578,"component":"JavaScript Engine","creation_time":"2025-04-30T12:23:32Z","last_change_time":"2026-02-25T19:39:41Z","status":"NEW","op_sys":"Unspecified","summary":"ChatGPT on clean Firefox install - \"This page is slowing down Firefox.\"","priority":"P1","keywords":[],"severity":"S2"},{"component":"Performance: Navigation","id":1971873,"priority":"P3","summary":"m.facebook.com live site loads 100-200ms slower in Fenix than Chrome","keywords":["perf:pageload"],"severity":"S3","creation_time":"2025-06-12T19:54:27Z","last_change_time":"2025-07-04T18:23:19Z","status":"NEW","op_sys":"Android"},{"priority":"P2","summary":"Slow scrolling performance on particular sites (mastodon)","keywords":[],"severity":"S2","creation_time":"2025-09-16T14:51:59Z","last_change_time":"2026-03-23T19:01:32Z","status":"NEW","op_sys":"Android","component":"Graphics: WebRender","id":1988762},{"creation_time":"2025-10-22T15:48:12Z","last_change_time":"2026-04-16T13:50:00Z","op_sys":"Unspecified","status":"NEW","summary":"Fenix cold start applink navigation performance ~800-1100ms slower than warm, hot scenarios, p75 (fcp, lcp)","priority":"P3","keywords":[],"severity":"S2","id":1995805,"component":"Performance Engineering"},{"creation_time":"2026-01-27T17:26:37Z","last_change_time":"2026-03-31T12:19:33Z","op_sys":"Unspecified","status":"NEW","summary":"Jank and freezing on snowplowmap.a2gov.org","priority":"P3","severity":"S3","keywords":["webcompat:needs-sitepatch","webcompat:platform-bug","webcompat:site-report"],"id":2012760,"component":"Site Reports"},{"id":1550754,"component":"Crash Reporting","last_change_time":"2026-04-24T21:54:07Z","op_sys":"Unspecified","status":"REOPENED","creation_time":"2019-05-10T14:52:25Z","keywords":["perf:responsiveness","perf:startup","reproducible"],"severity":"S3","summary":"ContentParent::KillHard janks the main thread","priority":"--"}]}