bugzilla-data-high.json

{"bugs":[{"id":1963814,"status":"ASSIGNED","priority":"--","severity":"--","component":"Password Manager","summary":"Browser UI hang in sqlite3PagerSharedLock during LoginManagerCrypto decryption (via sqlite usage during NSC_DecryptInit for SDR crypto)","op_sys":"All","last_change_time":"2026-03-07T06:21:30Z","creation_time":"2025-05-01T13:52:50Z","keywords":[]},{"keywords":[],"creation_time":"2018-09-04T14:10:08Z","last_change_time":"2026-09-04T12:38:11Z","op_sys":"macOS","component":"JavaScript Engine","summary":"Significant key input delay when typing on large Google Docs","severity":"N/A","status":"NEW","priority":"P3","id":1488435},{"creation_time":"2019-12-10T17:22:25Z","keywords":["perf:responsiveness"],"id":1602842,"priority":"P3","status":"NEW","severity":"S3","summary":"OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays","component":"Widget: Cocoa","op_sys":"Unspecified","last_change_time":"2025-07-01T19:28:26Z"},{"severity":"S3","id":1677509,"priority":"--","status":"NEW","last_change_time":"2025-05-28T19:20:30Z","component":"Panning and Zooming","summary":"SendReceiveMouseInputEvent often blocks the main thread of the parent process","op_sys":"Unspecified","keywords":["perf:responsiveness"],"creation_time":"2020-11-16T15:30:13Z"},{"severity":"S3","status":"NEW","priority":"--","id":1688951,"last_change_time":"2026-07-27T17:25:32Z","op_sys":"Windows","summary":"Lazy font loading can still hang the main thread on Windows","component":"Layout: Text and Fonts","keywords":["perf:responsiveness"],"creation_time":"2021-01-26T19:14:50Z"},{"last_change_time":"2026-10-28T14:49:06Z","op_sys":"Unspecified","component":"Web Audio","summary":"AudioContext power optimizations","severity":"S3","priority":"P2","status":"NEW","id":1771179,"keywords":["perf:resource-use","reproducible"],"creation_time":"2022-05-25T16:56:04Z"},{"id":1788530,"priority":"P2","status":"NEW","severity":"S2","summary":"Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab","component":"Performance","op_sys":"Unspecified","last_change_time":"2025-03-10T23:42:15Z","creation_time":"2022-08-31T21:19:22Z","keywords":["perf:resource-use","perf:responsiveness","reproducible"]},{"creation_time":"2023-04-05T14:45:37Z","keywords":["webcompat:platform-bug"],"op_sys":"Android","component":"Graphics: WebRender","summary":"CSS filter() with invert() and hue-rotate() results in sluggish scrolling on Wikipedia","last_change_time":"2025-10-30T20:58:10Z","status":"NEW","priority":"--","id":1826576,"severity":"S3"},{"last_change_time":"2026-10-15T20:17:50Z","op_sys":"Unspecified","component":"Session Restore","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","severity":"S3","priority":"P3","status":"NEW","id":1849393,"keywords":["perf","perf:responsiveness"],"creation_time":"2023-08-18T17:52:57Z"},{"creation_time":"2024-06-19T11:50:31Z","keywords":[],"component":"Storage: Quota Manager","summary":"Frequent long janks on Android on loading certain pages","op_sys":"Unspecified","last_change_time":"2026-08-13T22:17:37Z","id":1903530,"status":"NEW","priority":"P2","severity":"S2"},{"keywords":["webcompat:needs-contact","webcompat:site-report"],"creation_time":"2024-11-04T09:34:27Z","severity":"S2","id":1928948,"priority":"P2","status":"NEW","last_change_time":"2026-08-27T21:48:12Z","component":"Site Reports","summary":"vizzy.io - The browser is slowed down and eventually stops responding","op_sys":"Windows 10"},{"summary":"ChatGPT on clean Firefox install - \"This page is slowing down Firefox.\"","component":"JavaScript Engine","op_sys":"Unspecified","last_change_time":"2026-10-25T20:34:50Z","id":1963578,"status":"NEW","priority":"P1","severity":"S2","creation_time":"2025-04-30T12:23:32Z","keywords":[]},{"id":1988762,"status":"NEW","priority":"P2","severity":"S2","summary":"Slow scrolling performance on particular sites (mastodon)","component":"Graphics: WebRender","op_sys":"Android","last_change_time":"2026-03-23T19:01:32Z","creation_time":"2025-09-16T14:51:59Z","keywords":[]},{"status":"NEW","priority":"P3","id":1995805,"severity":"S2","op_sys":"Unspecified","component":"Performance Engineering","summary":"Fenix cold start applink navigation performance ~800-1100ms slower than warm, hot scenarios, p75 (fcp, lcp)","last_change_time":"2026-08-24T17:24:50Z","creation_time":"2025-10-22T15:48:12Z","keywords":["perf:startup"]},{"keywords":["leave-open","webcompat:platform-bug","webcompat:site-report","webcompat:sitepatch-applied"],"creation_time":"2026-01-27T17:26:37Z","last_change_time":"2026-05-13T14:31:19Z","summary":"Jank and freezing on snowplowmap.a2gov.org","component":"Site Reports","op_sys":"Unspecified","severity":"S3","id":2012760,"status":"NEW","priority":"P3"},{"creation_time":"2019-05-10T14:52:25Z","keywords":["perf:responsiveness","perf:startup","reproducible"],"summary":"ContentParent::KillHard janks the main thread","component":"Crash Reporting","op_sys":"Unspecified","last_change_time":"2026-04-28T09:36:23Z","id":1550754,"priority":"--","status":"REOPENED","severity":"S3"}]}