bugzilla-data-high.json

{"bugs":[{"priority":"--","keywords":[],"creation_time":"2025-05-01T13:52:50Z","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","component":"Password Manager","severity":"--","id":1963814,"status":"ASSIGNED"},{"creation_time":"2019-12-10T17:22:25Z","priority":"P3","keywords":["perf:responsiveness"],"status":"NEW","op_sys":"Unspecified","summary":"OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays","last_change_time":"2025-07-01T19:28:26Z","component":"Widget: Cocoa","id":1602842,"severity":"S3"},{"status":"NEW","component":"Panning and Zooming","op_sys":"Unspecified","last_change_time":"2025-05-28T19:20:30Z","summary":"SendReceiveMouseInputEvent often blocks the main thread of the parent process","severity":"S3","id":1677509,"creation_time":"2020-11-16T15:30:13Z","priority":"--","keywords":["perf:responsiveness"]},{"status":"NEW","severity":"S3","id":1688951,"op_sys":"Windows","component":"Layout: Text and Fonts","last_change_time":"2026-02-28T12:23:08Z","summary":"Lazy font loading can still hang the main thread on Windows","creation_time":"2021-01-26T19:14:50Z","keywords":["perf:responsiveness"],"priority":"--"},{"id":1771179,"severity":"S3","op_sys":"Unspecified","component":"Web Audio","summary":"AudioContext power optimizations","last_change_time":"2025-11-26T06:43:39Z","status":"NEW","keywords":["perf:resource-use","reproducible"],"priority":"P2","creation_time":"2022-05-25T16:56:04Z"},{"status":"NEW","severity":"S2","id":1788530,"op_sys":"Unspecified","summary":"Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab","component":"Performance","last_change_time":"2025-03-10T23:42:15Z","creation_time":"2022-08-31T21:19:22Z","keywords":["perf:resource-use","perf:responsiveness","reproducible"],"priority":"P2"},{"summary":"CSS filter() with invert() and hue-rotate() results in sluggish scrolling on Wikipedia","last_change_time":"2025-10-30T20:58:10Z","component":"Graphics: WebRender","op_sys":"Android","severity":"S3","id":1826576,"status":"NEW","priority":"--","keywords":["webcompat:platform-bug"],"creation_time":"2023-04-05T14:45:37Z"},{"keywords":["perf","perf:responsiveness"],"priority":"P3","creation_time":"2023-08-18T17:52:57Z","id":1849393,"severity":"S3","op_sys":"Unspecified","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","component":"Session Restore","last_change_time":"2026-03-10T16:53:28Z","status":"NEW"},{"creation_time":"2024-06-19T11:50:31Z","keywords":[],"priority":"P2","status":"NEW","severity":"S2","id":1903530,"last_change_time":"2026-07-07T14:57:33Z","summary":"Frequent long janks on Android on loading certain pages","op_sys":"Unspecified","component":"Storage: Quota Manager"},{"status":"NEW","id":1928948,"severity":"S2","op_sys":"Windows 10","last_change_time":"2025-03-20T03:11:36Z","component":"Site Reports","summary":"vizzy.io - The browser is slowed down and eventually stops responding","creation_time":"2024-11-04T09:34:27Z","keywords":["webcompat:needs-contact","webcompat:site-report"],"priority":"P2"},{"severity":"S2","id":1963578,"component":"JavaScript Engine","summary":"ChatGPT on clean Firefox install - \"This page is slowing down Firefox.\"","last_change_time":"2026-07-15T00:10:15Z","op_sys":"Unspecified","status":"NEW","keywords":[],"priority":"P1","creation_time":"2025-04-30T12:23:32Z"},{"status":"NEW","severity":"S3","id":1971873,"component":"Performance: Navigation","op_sys":"Android","summary":"m.facebook.com live site loads 100-200ms slower in Fenix than Chrome","last_change_time":"2026-06-22T19:43:25Z","creation_time":"2025-06-12T19:54:27Z","keywords":["perf:pageload"],"priority":"P3"},{"status":"NEW","last_change_time":"2026-03-23T19:01:32Z","summary":"Slow scrolling performance on particular sites (mastodon)","component":"Graphics: WebRender","op_sys":"Android","id":1988762,"severity":"S2","creation_time":"2025-09-16T14:51:59Z","priority":"P2","keywords":[]},{"priority":"P3","keywords":[],"creation_time":"2025-10-22T15:48:12Z","summary":"Fenix cold start applink navigation performance ~800-1100ms slower than warm, hot scenarios, p75 (fcp, lcp)","op_sys":"Unspecified","component":"Performance Engineering","last_change_time":"2026-04-29T17:39:53Z","id":1995805,"severity":"S2","status":"NEW"},{"status":"NEW","severity":"S3","id":2012760,"summary":"Jank and freezing on snowplowmap.a2gov.org","op_sys":"Unspecified","last_change_time":"2026-05-13T14:31:19Z","component":"Site Reports","creation_time":"2026-01-27T17:26:37Z","keywords":["leave-open","webcompat:platform-bug","webcompat:site-report","webcompat:sitepatch-applied"],"priority":"P3"},{"status":"REOPENED","summary":"ContentParent::KillHard janks the main thread","op_sys":"Unspecified","last_change_time":"2026-04-28T09:36:23Z","component":"Crash Reporting","id":1550754,"severity":"S3","creation_time":"2019-05-10T14:52:25Z","priority":"--","keywords":["perf:responsiveness","perf:startup","reproducible"]}]}