bugzilla-data-high.json

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