bugzilla-data-high.json

{"bugs":[{"priority":"--","severity":"--","op_sys":"All","id":1963814,"summary":"Browser UI hang in sqlite3PagerSharedLock during LoginManagerCrypto decryption (via sqlite usage during NSC_DecryptInit for SDR crypto)","keywords":[],"status":"ASSIGNED","last_change_time":"2026-03-07T06:21:30Z","component":"Password Manager","creation_time":"2025-05-01T13:52:50Z"},{"status":"NEW","keywords":[],"creation_time":"2018-09-04T14:10:08Z","component":"JavaScript Engine","last_change_time":"2026-09-04T12:38:11Z","id":1488435,"op_sys":"macOS","severity":"N/A","priority":"P3","summary":"Significant key input delay when typing on large Google Docs"},{"op_sys":"Unspecified","id":1602842,"priority":"P3","severity":"S3","summary":"OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays","status":"NEW","keywords":["perf:responsiveness"],"creation_time":"2019-12-10T17:22:25Z","component":"Widget: Cocoa","last_change_time":"2025-07-01T19:28:26Z"},{"severity":"S3","priority":"--","op_sys":"Unspecified","id":1677509,"summary":"SendReceiveMouseInputEvent often blocks the main thread of the parent process","status":"NEW","keywords":["perf:responsiveness"],"last_change_time":"2025-05-28T19:20:30Z","component":"Panning and Zooming","creation_time":"2020-11-16T15:30:13Z"},{"priority":"--","severity":"S3","op_sys":"Windows","id":1688951,"summary":"Lazy font loading can still hang the main thread on Windows","keywords":["perf:responsiveness"],"status":"NEW","last_change_time":"2026-07-27T17:25:32Z","component":"Layout: Text and Fonts","creation_time":"2021-01-26T19:14:50Z"},{"op_sys":"Unspecified","id":1771179,"severity":"S3","priority":"P2","summary":"AudioContext power optimizations","status":"NEW","keywords":["perf:resource-use","reproducible"],"creation_time":"2022-05-25T16:56:04Z","component":"Web Audio","last_change_time":"2025-11-26T06:43:39Z"},{"component":"Performance","creation_time":"2022-08-31T21:19:22Z","last_change_time":"2025-03-10T23:42:15Z","keywords":["perf:resource-use","perf:responsiveness","reproducible"],"status":"NEW","summary":"Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab","op_sys":"Unspecified","id":1788530,"severity":"S2","priority":"P2"},{"op_sys":"Android","id":1826576,"severity":"S3","priority":"--","summary":"CSS filter() with invert() and hue-rotate() results in sluggish scrolling on Wikipedia","keywords":["webcompat:platform-bug"],"status":"NEW","component":"Graphics: WebRender","creation_time":"2023-04-05T14:45:37Z","last_change_time":"2025-10-30T20:58:10Z"},{"last_change_time":"2026-10-01T16:15:02Z","component":"Session Restore","creation_time":"2023-08-18T17:52:57Z","status":"NEW","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","severity":"S3","priority":"P3","id":1849393,"op_sys":"Unspecified"},{"summary":"Frequent long janks on Android on loading certain pages","op_sys":"Unspecified","id":1903530,"severity":"S2","priority":"P2","creation_time":"2024-06-19T11:50:31Z","component":"Storage: Quota Manager","last_change_time":"2026-08-13T22:17:37Z","status":"NEW","keywords":[]},{"summary":"vizzy.io - The browser is slowed down and eventually stops responding","priority":"P2","severity":"S2","op_sys":"Windows 10","id":1928948,"last_change_time":"2026-08-27T21:48:12Z","component":"Site Reports","creation_time":"2024-11-04T09:34:27Z","keywords":["webcompat:needs-contact","webcompat:site-report"],"status":"NEW"},{"status":"NEW","keywords":[],"last_change_time":"2026-07-15T00:10:15Z","component":"JavaScript Engine","creation_time":"2025-04-30T12:23:32Z","severity":"S2","priority":"P1","op_sys":"Unspecified","id":1963578,"summary":"ChatGPT on clean Firefox install - \"This page is slowing down Firefox.\""},{"summary":"Slow scrolling performance on particular sites (mastodon)","priority":"P2","severity":"S2","op_sys":"Android","id":1988762,"last_change_time":"2026-03-23T19:01:32Z","creation_time":"2025-09-16T14:51:59Z","component":"Graphics: WebRender","status":"NEW","keywords":[]},{"priority":"P3","severity":"S2","op_sys":"Unspecified","id":1995805,"summary":"Fenix cold start applink navigation performance ~800-1100ms slower than warm, hot scenarios, p75 (fcp, lcp)","status":"NEW","keywords":["perf:startup"],"last_change_time":"2026-08-24T17:24:50Z","component":"Performance Engineering","creation_time":"2025-10-22T15:48:12Z"},{"creation_time":"2026-01-27T17:26:37Z","component":"Site Reports","last_change_time":"2026-05-13T14:31:19Z","status":"NEW","keywords":["leave-open","webcompat:platform-bug","webcompat:site-report","webcompat:sitepatch-applied"],"summary":"Jank and freezing on snowplowmap.a2gov.org","id":2012760,"op_sys":"Unspecified","severity":"S3","priority":"P3"},{"priority":"--","severity":"S3","id":1550754,"op_sys":"Unspecified","summary":"ContentParent::KillHard janks the main thread","keywords":["perf:responsiveness","perf:startup","reproducible"],"status":"REOPENED","last_change_time":"2026-04-28T09:36:23Z","creation_time":"2019-05-10T14:52:25Z","component":"Crash Reporting"}]}