bugzilla-data-high.json

{"bugs":[{"severity":"--","op_sys":"All","keywords":[],"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":"--","status":"ASSIGNED","component":"Password Manager","creation_time":"2025-05-01T13:52:50Z","id":1963814},{"severity":"S3","op_sys":"Unspecified","keywords":["perf:responsiveness"],"last_change_time":"2025-07-01T19:28:26Z","priority":"P3","summary":"OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays","status":"NEW","component":"Widget: Cocoa","creation_time":"2019-12-10T17:22:25Z","id":1602842},{"id":1677509,"creation_time":"2020-11-16T15:30:13Z","op_sys":"Unspecified","keywords":["perf:responsiveness"],"severity":"S3","priority":"--","summary":"SendReceiveMouseInputEvent often blocks the main thread of the parent process","component":"Panning and Zooming","status":"NEW","last_change_time":"2025-05-28T19:20:30Z"},{"creation_time":"2021-01-26T19:14:50Z","id":1688951,"severity":"S3","keywords":["perf:responsiveness"],"op_sys":"Windows","last_change_time":"2026-02-28T12:23:08Z","component":"Layout: Text and Fonts","status":"NEW","summary":"Lazy font loading can still hang the main thread on Windows","priority":"--"},{"creation_time":"2021-01-28T16:03:57Z","id":1689392,"last_change_time":"2025-03-11T08:41:57Z","summary":"[Meta] investigate performance issues on Reddit.","priority":"--","component":"Performance: General","status":"NEW","severity":"--","op_sys":"Unspecified","keywords":["meta"]},{"id":1771179,"creation_time":"2022-05-25T16:56:04Z","status":"NEW","component":"Web Audio","priority":"P2","summary":"AudioContext power optimizations","last_change_time":"2025-11-26T06:43:39Z","keywords":["perf:resource-use","reproducible"],"op_sys":"Unspecified","severity":"S3"},{"keywords":["perf:resource-use","perf:responsiveness","reproducible"],"op_sys":"Unspecified","severity":"S2","component":"Performance","status":"NEW","priority":"P2","summary":"Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab","last_change_time":"2025-03-10T23:42:15Z","id":1788530,"creation_time":"2022-08-31T21:19:22Z"},{"id":1826576,"creation_time":"2023-04-05T14:45:37Z","op_sys":"Android","keywords":["webcompat:platform-bug"],"severity":"S3","priority":"--","summary":"CSS filter() with invert() and hue-rotate() results in sluggish scrolling on Wikipedia","status":"NEW","component":"Graphics: WebRender","last_change_time":"2025-10-30T20:58:10Z"},{"creation_time":"2023-08-18T17:52:57Z","id":1849393,"last_change_time":"2026-03-10T16:53:28Z","priority":"P3","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","status":"NEW","component":"Session Restore","severity":"S3","op_sys":"Unspecified","keywords":["perf","perf:responsiveness"]},{"op_sys":"Unspecified","keywords":[],"severity":"S2","summary":"Frequent long janks on Android on loading certain pages","priority":"P2","component":"Storage: Quota Manager","status":"NEW","last_change_time":"2026-03-10T13:09:47Z","id":1903530,"creation_time":"2024-06-19T11:50:31Z"},{"severity":"S2","op_sys":"Windows 10","keywords":["webcompat:needs-contact","webcompat:site-report"],"last_change_time":"2025-03-20T03:11:36Z","priority":"P2","summary":"vizzy.io - The browser is slowed down and eventually stops responding","status":"NEW","component":"Site Reports","creation_time":"2024-11-04T09:34:27Z","id":1928948},{"id":1963578,"creation_time":"2025-04-30T12:23:32Z","status":"NEW","component":"JavaScript Engine","summary":"ChatGPT on clean Firefox install - \"This page is slowing down Firefox.\"","priority":"P1","last_change_time":"2026-02-25T19:39:41Z","keywords":[],"op_sys":"Unspecified","severity":"S2"},{"creation_time":"2025-06-12T19:54:27Z","id":1971873,"last_change_time":"2025-07-04T18:23:19Z","priority":"P3","summary":"m.facebook.com live site loads 100-200ms slower in Fenix than Chrome","component":"Performance: Navigation","status":"NEW","severity":"S3","op_sys":"Android","keywords":["perf:pageload"]},{"last_change_time":"2026-01-23T20:06:23Z","summary":"Slow scrolling performance on particular sites (mastodon)","priority":"--","status":"NEW","component":"Graphics: WebRender","severity":"S2","op_sys":"Android","keywords":["stalled"],"creation_time":"2025-09-16T14:51:59Z","id":1988762},{"id":1995805,"creation_time":"2025-10-22T15:48:12Z","op_sys":"Unspecified","keywords":[],"severity":"S2","priority":"P3","summary":"Fenix cold start applink navigation performance ~1500ms slower than warm, hot scenarios, p75","status":"NEW","component":"Performance Engineering","last_change_time":"2025-11-19T22:29:16Z"},{"severity":"S2","op_sys":"Unspecified","keywords":[],"last_change_time":"2026-03-13T20:09:45Z","priority":"--","summary":"Jank and freezing on snowplowmap.a2gov.org","status":"NEW","component":"Layout","creation_time":"2026-01-27T17:26:37Z","id":2012760},{"id":1550754,"creation_time":"2019-05-10T14:52:25Z","component":"Crash Reporting","status":"REOPENED","summary":"ContentParent::KillHard janks the main thread","priority":"--","last_change_time":"2026-02-11T20:34:10Z","keywords":["perf:responsiveness","perf:startup","reproducible"],"op_sys":"Unspecified","severity":"S3"}]}