bugzilla-data-high.json

{"bugs":[{"creation_time":"2025-05-01T13:52:50Z","status":"ASSIGNED","op_sys":"All","id":1963814,"summary":"Browser UI hang in sqlite3PagerSharedLock during LoginManagerCrypto decryption (via sqlite usage during NSC_DecryptInit for SDR crypto)","component":"Password Manager","keywords":[],"last_change_time":"2026-03-07T06:21:30Z","severity":"--","priority":"--"},{"op_sys":"Unspecified","status":"NEW","creation_time":"2019-12-10T17:22:25Z","summary":"OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays","component":"Widget: Cocoa","id":1602842,"keywords":["perf:responsiveness"],"last_change_time":"2025-07-01T19:28:26Z","priority":"P3","severity":"S3"},{"op_sys":"Unspecified","status":"NEW","creation_time":"2020-11-16T15:30:13Z","summary":"SendReceiveMouseInputEvent often blocks the main thread of the parent process","id":1677509,"component":"Panning and Zooming","keywords":["perf:responsiveness"],"last_change_time":"2025-05-28T19:20:30Z","severity":"S3","priority":"--"},{"last_change_time":"2026-02-28T12:23:08Z","priority":"--","severity":"S3","status":"NEW","creation_time":"2021-01-26T19:14:50Z","op_sys":"Windows","summary":"Lazy font loading can still hang the main thread on Windows","component":"Layout: Text and Fonts","id":1688951,"keywords":["perf:responsiveness"]},{"component":"Performance: General","id":1689392,"summary":"[Meta] investigate performance issues on Reddit.","keywords":["meta"],"op_sys":"Unspecified","status":"NEW","creation_time":"2021-01-28T16:03:57Z","severity":"--","priority":"--","last_change_time":"2025-03-11T08:41:57Z"},{"keywords":["perf:resource-use","reproducible"],"summary":"AudioContext power optimizations","component":"Web Audio","id":1771179,"op_sys":"Unspecified","status":"NEW","creation_time":"2022-05-25T16:56:04Z","priority":"P2","severity":"S3","last_change_time":"2025-11-26T06:43:39Z"},{"status":"NEW","creation_time":"2022-08-31T21:19:22Z","op_sys":"Unspecified","summary":"Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab","component":"Performance","id":1788530,"keywords":["perf:resource-use","perf:responsiveness","reproducible"],"last_change_time":"2025-03-10T23:42:15Z","priority":"P2","severity":"S2"},{"summary":"CSS filter() with invert() and hue-rotate() results in sluggish scrolling on Wikipedia","id":1826576,"component":"Graphics: WebRender","keywords":["webcompat:platform-bug"],"status":"NEW","creation_time":"2023-04-05T14:45:37Z","op_sys":"Android","priority":"--","severity":"S3","last_change_time":"2025-10-30T20:58:10Z"},{"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","id":1849393,"component":"Session Restore","keywords":["perf","perf:responsiveness"],"status":"NEW","creation_time":"2023-08-18T17:52:57Z","op_sys":"Unspecified","priority":"P3","severity":"S3","last_change_time":"2026-02-12T15:30:44Z"},{"severity":"S2","priority":"P2","last_change_time":"2026-02-13T14:27:59Z","summary":"Frequent long janks on Android on loading certain pages","component":"Storage: Quota Manager","id":1903530,"keywords":[],"op_sys":"Unspecified","creation_time":"2024-06-19T11:50:31Z","status":"NEW"},{"priority":"P2","severity":"S2","last_change_time":"2025-03-20T03:11:36Z","keywords":["webcompat:needs-contact","webcompat:site-report"],"id":1928948,"summary":"vizzy.io - The browser is slowed down and eventually stops responding","component":"Site Reports","status":"NEW","creation_time":"2024-11-04T09:34:27Z","op_sys":"Windows 10"},{"priority":"P1","severity":"S2","last_change_time":"2026-02-25T19:39:41Z","summary":"ChatGPT on clean Firefox install - \"This page is slowing down Firefox.\"","component":"JavaScript Engine","keywords":[],"id":1963578,"op_sys":"Unspecified","status":"NEW","creation_time":"2025-04-30T12:23:32Z"},{"id":1971873,"keywords":["perf:pageload"],"summary":"m.facebook.com live site loads 100-200ms slower in Fenix than Chrome","component":"Performance: Navigation","creation_time":"2025-06-12T19:54:27Z","status":"NEW","op_sys":"Android","priority":"P3","severity":"S3","last_change_time":"2025-07-04T18:23:19Z"},{"id":1988762,"keywords":["stalled"],"component":"Graphics: WebRender","summary":"Slow scrolling performance on particular sites (mastodon)","creation_time":"2025-09-16T14:51:59Z","status":"NEW","op_sys":"Android","severity":"S2","priority":"--","last_change_time":"2026-01-23T20:06:23Z"},{"last_change_time":"2025-11-19T22:29:16Z","severity":"S2","priority":"P3","status":"NEW","creation_time":"2025-10-22T15:48:12Z","op_sys":"Unspecified","component":"Performance Engineering","id":1995805,"summary":"Fenix cold start applink navigation performance ~1500ms slower than warm, hot scenarios, p75","keywords":[]},{"last_change_time":"2026-02-11T20:34:10Z","priority":"--","severity":"S3","creation_time":"2019-05-10T14:52:25Z","status":"REOPENED","op_sys":"Unspecified","summary":"ContentParent::KillHard janks the main thread","id":1550754,"component":"Crash Reporting","keywords":["perf:responsiveness","perf:startup","reproducible"]}]}