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bugzilla-data-all.json

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bugzilla-data-high.json

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{"bugs":[{"last_change_time":"2025-09-22T17:43:02Z","op_sys":"Unspecified","status":"ASSIGNED","summary":"H3 upload Speed still slow. Three times slower than other browsers.","id":1852924,"priority":"P1","component":"Networking: HTTP","severity":"S2","keywords":["leave-open","perf:responsiveness","reproducible","top50","webcompat:platform-bug"],"creation_time":"2023-09-13T10:36:04Z"},{"last_change_time":"2025-07-03T16:42:57Z","op_sys":"All","summary":"Browser UI hang in sqlite3PagerSharedLock during LoginManagerCrypto decryption (via sqlite usage during NSC_DecryptInit for SDR crypto)","status":"ASSIGNED","severity":"--","component":"Password Manager","keywords":[],"creation_time":"2025-05-01T13:52:50Z","id":1963814,"priority":"--"},{"last_change_time":"2025-07-01T19:28:26Z","op_sys":"Unspecified","status":"NEW","summary":"OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays","priority":"P3","id":1602842,"severity":"S3","component":"Widget: Cocoa","creation_time":"2019-12-10T17:22:25Z","keywords":["perf:responsiveness"]},{"id":1677509,"priority":"--","keywords":["perf:responsiveness"],"creation_time":"2020-11-16T15:30:13Z","severity":"S3","component":"Panning and Zooming","status":"NEW","summary":"SendReceiveMouseInputEvent often blocks the main thread of the parent process","op_sys":"Unspecified","last_change_time":"2025-05-28T19:20:30Z"},{"op_sys":"Windows","last_change_time":"2025-08-22T20:22:21Z","priority":"--","id":1688951,"keywords":["perf:responsiveness"],"creation_time":"2021-01-26T19:14:50Z","severity":"S3","component":"Layout: Text and Fonts","status":"NEW","summary":"Lazy font loading can still hang the main thread on Windows"},{"status":"NEW","summary":"[Meta] investigate performance issues on Reddit.","id":1689392,"priority":"--","component":"Performance: General","severity":"--","creation_time":"2021-01-28T16:03:57Z","keywords":["meta"],"last_change_time":"2025-03-11T08:41:57Z","op_sys":"Unspecified"},{"priority":"P2","id":1771179,"keywords":["perf:resource-use","reproducible"],"creation_time":"2022-05-25T16:56:04Z","component":"Web Audio","severity":"S3","status":"NEW","summary":"AudioContext power optimizations","op_sys":"Unspecified","last_change_time":"2025-09-17T01:08:29Z"},{"op_sys":"Unspecified","last_change_time":"2025-03-10T23:42:15Z","creation_time":"2022-08-31T21:19:22Z","keywords":["perf:resource-use","perf:responsiveness","reproducible"],"severity":"S2","component":"Performance","id":1788530,"priority":"P2","summary":"Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab","status":"NEW"},{"op_sys":"Android","last_change_time":"2025-10-30T20:58:10Z","summary":"CSS filter() with invert() and hue-rotate() results in sluggish scrolling on Wikipedia","status":"NEW","keywords":["webcompat:platform-bug"],"creation_time":"2023-04-05T14:45:37Z","severity":"S3","component":"Graphics: WebRender","id":1826576,"priority":"--"},{"id":1849393,"priority":"P3","component":"Session Restore","severity":"S3","keywords":["perf","perf:responsiveness"],"creation_time":"2023-08-18T17:52:57Z","status":"NEW","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","last_change_time":"2025-10-13T08:56:16Z","op_sys":"Unspecified"},{"summary":"Frequent long janks on Android on loading certain pages","status":"NEW","severity":"S2","component":"Storage: Quota Manager","creation_time":"2024-06-19T11:50:31Z","keywords":[],"priority":"P2","id":1903530,"last_change_time":"2025-11-05T15:23:53Z","op_sys":"Unspecified"},{"status":"NEW","summary":"vizzy.io - The browser is slowed down and eventually stops responding","id":1928948,"priority":"P2","severity":"S2","component":"Site Reports","keywords":["webcompat:needs-contact","webcompat:site-report"],"creation_time":"2024-11-04T09:34:27Z","last_change_time":"2025-03-20T03:11:36Z","op_sys":"Windows 10"},{"priority":"P1","id":1963578,"creation_time":"2025-04-30T12:23:32Z","keywords":[],"severity":"S2","component":"JavaScript Engine","status":"NEW","summary":"ChatGPT on clean Firefox install - \"This page is slowing down Firefox.\"","op_sys":"Unspecified","last_change_time":"2025-11-11T17:40:36Z"},{"last_change_time":"2025-07-04T18:23:19Z","op_sys":"Android","summary":"m.facebook.com live site loads 100-200ms slower in Fenix than Chrome","status":"NEW","component":"Performance: Navigation","severity":"S3","keywords":["perf:pageload"],"creation_time":"2025-06-12T19:54:27Z","id":1971873,"priority":"P3"},{"summary":"Fenix cold start applink navigation performance ~1500ms slower than warm, hot scenarios, p75","status":"NEW","component":"Performance Engineering","severity":"S2","keywords":[],"creation_time":"2025-10-22T15:48:12Z","id":1995805,"priority":"P3","last_change_time":"2025-11-07T06:59:32Z","op_sys":"Unspecified"},{"last_change_time":"2025-07-01T14:09:09Z","op_sys":"Unspecified","summary":"ContentParent::KillHard janks the main thread","status":"REOPENED","severity":"S3","component":"Crash Reporting","creation_time":"2019-05-10T14:52:25Z","keywords":["perf:responsiveness","perf:startup","reproducible"],"priority":"--","id":1550754}]}
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{"bugs":[{"creation_time":"2023-09-13T10:36:04Z","severity":"S2","op_sys":"Unspecified","last_change_time":"2025-09-22T17:43:02Z","component":"Networking: HTTP","status":"ASSIGNED","summary":"H3 upload Speed still slow. 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bugzilla-data-low.json

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bugzilla-data-medium.json

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bugzilla-data-needinfo.json

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bugzilla-data-regressions.json

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