bugzilla-data-high.json

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