bugzilla-data-high.json

{"bugs":[{"component":"Password Manager","creation_time":"2025-05-01T13:52:50Z","status":"ASSIGNED","keywords":[],"severity":"--","op_sys":"All","summary":"Browser UI hang in sqlite3PagerSharedLock during LoginManagerCrypto decryption (via sqlite usage during NSC_DecryptInit for SDR crypto)","priority":"--","last_change_time":"2026-03-07T06:21:30Z","id":1963814},{"component":"Widget: Cocoa","status":"NEW","creation_time":"2019-12-10T17:22:25Z","id":1602842,"priority":"P3","op_sys":"Unspecified","summary":"OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays","severity":"S3","keywords":["perf:responsiveness"],"last_change_time":"2025-07-01T19:28:26Z"},{"id":1677509,"last_change_time":"2025-05-28T19:20:30Z","keywords":["perf:responsiveness"],"op_sys":"Unspecified","summary":"SendReceiveMouseInputEvent often blocks the main thread of the parent process","severity":"S3","priority":"--","creation_time":"2020-11-16T15:30:13Z","status":"NEW","component":"Panning and Zooming"},{"status":"NEW","creation_time":"2021-01-26T19:14:50Z","component":"Layout: Text and Fonts","last_change_time":"2026-02-28T12:23:08Z","priority":"--","summary":"Lazy font loading can still hang the main thread on Windows","op_sys":"Windows","severity":"S3","keywords":["perf:responsiveness"],"id":1688951},{"status":"NEW","creation_time":"2021-01-28T16:03:57Z","component":"Performance: General","id":1689392,"last_change_time":"2025-03-11T08:41:57Z","summary":"[Meta] investigate performance issues on Reddit.","severity":"--","op_sys":"Unspecified","priority":"--","keywords":["meta"]},{"component":"Web Audio","status":"NEW","creation_time":"2022-05-25T16:56:04Z","id":1771179,"severity":"S3","op_sys":"Unspecified","priority":"P2","summary":"AudioContext power optimizations","keywords":["perf:resource-use","reproducible"],"last_change_time":"2025-11-26T06:43:39Z"},{"id":1788530,"last_change_time":"2025-03-10T23:42:15Z","op_sys":"Unspecified","priority":"P2","summary":"Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab","severity":"S2","keywords":["perf:resource-use","perf:responsiveness","reproducible"],"status":"NEW","creation_time":"2022-08-31T21:19:22Z","component":"Performance"},{"component":"Graphics: WebRender","creation_time":"2023-04-05T14:45:37Z","status":"NEW","keywords":["webcompat:platform-bug"],"severity":"S3","priority":"--","summary":"CSS filter() with invert() and hue-rotate() results in sluggish scrolling on Wikipedia","op_sys":"Android","last_change_time":"2025-10-30T20:58:10Z","id":1826576},{"creation_time":"2023-08-18T17:52:57Z","status":"NEW","component":"Session Restore","id":1849393,"last_change_time":"2026-03-10T16:53:28Z","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","priority":"P3","severity":"S3","op_sys":"Unspecified"},{"id":1903530,"last_change_time":"2026-04-15T14:32:25Z","severity":"S2","op_sys":"Unspecified","priority":"P2","summary":"Frequent long janks on Android on loading certain pages","keywords":[],"status":"NEW","creation_time":"2024-06-19T11:50:31Z","component":"Storage: Quota Manager"},{"component":"Site Reports","status":"NEW","creation_time":"2024-11-04T09:34:27Z","id":1928948,"op_sys":"Windows 10","severity":"S2","summary":"vizzy.io - The browser is slowed down and eventually stops responding","priority":"P2","keywords":["webcompat:needs-contact","webcompat:site-report"],"last_change_time":"2025-03-20T03:11:36Z"},{"id":1963578,"last_change_time":"2026-02-25T19:39:41Z","keywords":[],"summary":"ChatGPT on clean Firefox install - \"This page is slowing down Firefox.\"","op_sys":"Unspecified","priority":"P1","severity":"S2","creation_time":"2025-04-30T12:23:32Z","status":"NEW","component":"JavaScript Engine"},{"last_change_time":"2025-07-04T18:23:19Z","keywords":["perf:pageload"],"op_sys":"Android","priority":"P3","severity":"S3","summary":"m.facebook.com live site loads 100-200ms slower in Fenix than Chrome","id":1971873,"creation_time":"2025-06-12T19:54:27Z","status":"NEW","component":"Performance: Navigation"},{"summary":"Slow scrolling performance on particular sites (mastodon)","op_sys":"Android","priority":"P2","severity":"S2","keywords":[],"last_change_time":"2026-03-23T19:01:32Z","id":1988762,"component":"Graphics: WebRender","status":"NEW","creation_time":"2025-09-16T14:51:59Z"},{"status":"NEW","creation_time":"2025-10-22T15:48:12Z","component":"Performance Engineering","last_change_time":"2026-04-29T17:39:53Z","summary":"Fenix cold start applink navigation performance ~800-1100ms slower than warm, hot scenarios, p75 (fcp, lcp)","priority":"P3","op_sys":"Unspecified","severity":"S2","keywords":[],"id":1995805},{"id":2012760,"last_change_time":"2026-05-13T14:31:19Z","keywords":["leave-open","webcompat:platform-bug","webcompat:site-report","webcompat:sitepatch-applied"],"op_sys":"Unspecified","severity":"S3","priority":"P3","summary":"Jank and freezing on snowplowmap.a2gov.org","creation_time":"2026-01-27T17:26:37Z","status":"NEW","component":"Site Reports"},{"component":"JavaScript: WebAssembly","status":"NEW","creation_time":"2026-03-27T08:26:43Z","id":2026885,"summary":"ome.tv - Page freezes shortly after matching with users","op_sys":"Windows 10","priority":"P1","severity":"S2","keywords":["webcompat:needs-diagnosis","webcompat:site-report"],"last_change_time":"2026-05-11T16:32:18Z"},{"last_change_time":"2026-04-28T09:36:23Z","keywords":["perf:responsiveness","perf:startup","reproducible"],"op_sys":"Unspecified","summary":"ContentParent::KillHard janks the main thread","severity":"S3","priority":"--","id":1550754,"creation_time":"2019-05-10T14:52:25Z","status":"REOPENED","component":"Crash Reporting"}]}