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bugzilla-data-all.json

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bugzilla-data-high.json

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{"bugs":[{"creation_time":"2023-09-13T10:36:04Z","keywords":["leave-open","perf:responsiveness","reproducible","top50","webcompat:platform-bug"],"last_change_time":"2025-09-22T17:43:02Z","status":"ASSIGNED","id":1852924,"component":"Networking: HTTP","priority":"P1","op_sys":"Unspecified","severity":"S2","summary":"H3 upload Speed still slow. Three times slower than other browsers."},{"status":"ASSIGNED","creation_time":"2025-05-01T13:52:50Z","last_change_time":"2025-07-03T16:42:57Z","keywords":[],"id":1963814,"component":"Password Manager","priority":"--","op_sys":"All","severity":"--","summary":"Browser UI hang in sqlite3PagerSharedLock during LoginManagerCrypto decryption (via sqlite usage during NSC_DecryptInit for SDR crypto)"},{"status":"NEW","creation_time":"2019-12-10T17:22:25Z","last_change_time":"2025-07-01T19:28:26Z","keywords":["perf:responsiveness"],"id":1602842,"component":"Widget: Cocoa","priority":"P3","op_sys":"Unspecified","summary":"OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays","severity":"S3"},{"summary":"SendReceiveMouseInputEvent often blocks the main thread of the parent process","severity":"S3","op_sys":"Unspecified","priority":"--","component":"Panning and Zooming","id":1677509,"keywords":["perf:responsiveness"],"creation_time":"2020-11-16T15:30:13Z","status":"NEW","last_change_time":"2025-05-28T19:20:30Z"},{"creation_time":"2021-01-26T19:14:50Z","keywords":["perf:responsiveness"],"last_change_time":"2025-08-22T20:22:21Z","status":"NEW","id":1688951,"component":"Layout: Text and Fonts","priority":"--","op_sys":"Windows","severity":"S3","summary":"Lazy font loading can still hang the main thread on Windows"},{"severity":"--","summary":"[Meta] investigate performance issues on Reddit.","priority":"--","op_sys":"Unspecified","id":1689392,"component":"Performance: General","status":"NEW","creation_time":"2021-01-28T16:03:57Z","last_change_time":"2025-03-11T08:41:57Z","keywords":["meta"]},{"creation_time":"2022-05-25T16:56:04Z","keywords":["perf:resource-use","reproducible"],"status":"NEW","last_change_time":"2025-09-17T01:08:29Z","id":1771179,"component":"Web Audio","priority":"P2","op_sys":"Unspecified","summary":"AudioContext power optimizations","severity":"S3"},{"status":"NEW","creation_time":"2022-08-31T21:19:22Z","keywords":["perf:resource-use","perf:responsiveness","reproducible"],"last_change_time":"2025-03-10T23:42:15Z","id":1788530,"component":"Performance","priority":"P2","op_sys":"Unspecified","summary":"Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab","severity":"S2"},{"id":1826576,"component":"Graphics: WebRender","creation_time":"2023-04-05T14:45:37Z","status":"NEW","keywords":["webcompat:platform-bug"],"last_change_time":"2025-10-30T20:58:10Z","severity":"S3","summary":"CSS filter() with invert() and hue-rotate() results in sluggish scrolling on Wikipedia","priority":"--","op_sys":"Android"},{"creation_time":"2023-08-18T17:52:57Z","status":"NEW","last_change_time":"2025-10-13T08:56:16Z","keywords":["perf","perf:responsiveness"],"id":1849393,"component":"Session Restore","priority":"P3","op_sys":"Unspecified","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"},{"op_sys":"Unspecified","priority":"P2","summary":"Frequent long janks on Android on loading certain pages","severity":"S2","creation_time":"2024-06-19T11:50:31Z","status":"NEW","last_change_time":"2025-09-22T14:00:21Z","keywords":[],"component":"Storage: Quota Manager","id":1903530},{"creation_time":"2024-11-04T09:34:27Z","status":"NEW","last_change_time":"2025-03-20T03:11:36Z","keywords":["webcompat:needs-contact","webcompat:site-report"],"id":1928948,"component":"Site Reports","priority":"P2","op_sys":"Windows 10","summary":"vizzy.io - The browser is slowed down and eventually stops responding","severity":"S2"},{"id":1963578,"component":"JavaScript Engine","status":"NEW","creation_time":"2025-04-30T12:23:32Z","keywords":[],"last_change_time":"2025-10-28T13:50:08Z","severity":"S2","summary":"ChatGPT on clean Firefox install - \"This page is slowing down Firefox.\"","priority":"P1","op_sys":"Unspecified"},{"id":1971873,"component":"Performance: Navigation","status":"NEW","keywords":["perf:pageload"],"last_change_time":"2025-07-04T18:23:19Z","creation_time":"2025-06-12T19:54:27Z","summary":"m.facebook.com live site loads 100-200ms slower in Fenix than Chrome","severity":"S3","priority":"P3","op_sys":"Android"},{"severity":"S2","summary":"Fenix cold start applink navigation performance ~1500ms slower than warm, hot scenarios, p75","priority":"P3","op_sys":"Unspecified","id":1995805,"component":"Performance Engineering","status":"NEW","creation_time":"2025-10-22T15:48:12Z","keywords":[],"last_change_time":"2025-11-03T18:28:20Z"},{"op_sys":"Unspecified","priority":"--","severity":"S3","summary":"ContentParent::KillHard janks the main thread","creation_time":"2019-05-10T14:52:25Z","keywords":["perf:responsiveness","perf:startup","reproducible"],"status":"REOPENED","last_change_time":"2025-07-01T14:09:09Z","component":"Crash Reporting","id":1550754}]}
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{"bugs":[{"component":"Networking: HTTP","summary":"H3 upload Speed still slow. Three times slower than other browsers.","op_sys":"Unspecified","keywords":["leave-open","perf:responsiveness","reproducible","top50","webcompat:platform-bug"],"status":"ASSIGNED","priority":"P1","id":1852924,"last_change_time":"2025-09-22T17:43:02Z","creation_time":"2023-09-13T10:36:04Z","severity":"S2"},{"severity":"--","creation_time":"2025-05-01T13:52:50Z","id":1963814,"priority":"--","keywords":[],"status":"ASSIGNED","last_change_time":"2025-07-03T16:42:57Z","summary":"Browser UI hang in sqlite3PagerSharedLock during LoginManagerCrypto decryption (via sqlite usage during NSC_DecryptInit for SDR crypto)","op_sys":"All","component":"Password Manager"},{"creation_time":"2019-12-10T17:22:25Z","severity":"S3","last_change_time":"2025-07-01T19:28:26Z","keywords":["perf:responsiveness"],"status":"NEW","priority":"P3","id":1602842,"op_sys":"Unspecified","summary":"OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays","component":"Widget: Cocoa"},{"id":1677509,"priority":"--","keywords":["perf:responsiveness"],"status":"NEW","last_change_time":"2025-05-28T19:20:30Z","severity":"S3","creation_time":"2020-11-16T15:30:13Z","component":"Panning and Zooming","summary":"SendReceiveMouseInputEvent often blocks the main thread of the parent process","op_sys":"Unspecified"},{"op_sys":"Windows","summary":"Lazy font loading can still hang the main thread on Windows","component":"Layout: Text and Fonts","creation_time":"2021-01-26T19:14:50Z","severity":"S3","last_change_time":"2025-08-22T20:22:21Z","keywords":["perf:responsiveness"],"status":"NEW","id":1688951,"priority":"--"},{"severity":"--","creation_time":"2021-01-28T16:03:57Z","last_change_time":"2025-03-11T08:41:57Z","priority":"--","id":1689392,"status":"NEW","keywords":["meta"],"op_sys":"Unspecified","summary":"[Meta] investigate performance issues on Reddit.","component":"Performance: General"},{"component":"Web Audio","op_sys":"Unspecified","summary":"AudioContext power optimizations","last_change_time":"2025-09-17T01:08:29Z","keywords":["perf:resource-use","reproducible"],"status":"NEW","id":1771179,"priority":"P2","creation_time":"2022-05-25T16:56:04Z","severity":"S3"},{"component":"Performance","summary":"Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab","op_sys":"Unspecified","keywords":["perf:resource-use","perf:responsiveness","reproducible"],"status":"NEW","id":1788530,"priority":"P2","last_change_time":"2025-03-10T23:42:15Z","creation_time":"2022-08-31T21:19:22Z","severity":"S2"},{"creation_time":"2023-04-05T14:45:37Z","severity":"S3","last_change_time":"2025-10-30T20:58:10Z","keywords":["webcompat:platform-bug"],"status":"NEW","priority":"--","id":1826576,"op_sys":"Android","summary":"CSS filter() with invert() and hue-rotate() results in sluggish scrolling on Wikipedia","component":"Graphics: WebRender"},{"op_sys":"Unspecified","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","component":"Session Restore","severity":"S3","creation_time":"2023-08-18T17:52:57Z","last_change_time":"2025-10-13T08:56:16Z","priority":"P3","id":1849393,"status":"NEW","keywords":["perf","perf:responsiveness"]},{"severity":"S2","creation_time":"2024-06-19T11:50:31Z","id":1903530,"priority":"P2","keywords":[],"status":"NEW","last_change_time":"2025-11-05T15:23:53Z","summary":"Frequent long janks on Android on loading certain pages","op_sys":"Unspecified","component":"Storage: Quota Manager"},{"component":"Site Reports","op_sys":"Windows 10","summary":"vizzy.io - 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bugzilla-data-low.json

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bugzilla-data-needinfo.json

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{"bugs":[{"summary":"Closing a long-running twitch tab hangs browser for minute(s) (GC in recvConduitClosed of Conduit)","creation_time":"2025-05-25T08:19:42Z","keywords":[],"id":1968418,"severity":"S3","status":"NEW","op_sys":"Unspecified","last_change_time":"2025-07-14T12:37:19Z","component":"General","priority":"P3"},{"component":"Performance: Memory","priority":"--","op_sys":"Unspecified","last_change_time":"2025-09-22T12:15:53Z","severity":"--","status":"UNCONFIRMED","creation_time":"2025-01-07T05:08:26Z","summary":"Garbage collection is less efficient on macOS(ARM) than on Linux(x86)","keywords":[],"id":1940206},{"component":"Graphics","priority":"--","op_sys":"Windows 11","last_change_time":"2025-10-23T13:54:51Z","severity":"--","status":"UNCONFIRMED","summary":"Dual monitor (laptop / Monitor) browsing very slow refresh in second monitor","creation_time":"2025-04-13T07:52:04Z","keywords":[],"id":1960195},{"id":1961523,"keywords":[],"summary":"Firefox constantly freezes","creation_time":"2025-04-20T11:59:18Z","status":"UNCONFIRMED","severity":"--","last_change_time":"2025-11-01T10:19:58Z","op_sys":"Unspecified","priority":"--","component":"Performance: General"},{"status":"UNCONFIRMED","severity":"--","id":1963933,"keywords":[],"summary":"Google search results in high CPU usage and spike in temps. Happens with most of the browsers but Firefox results in higher temps spikes and CPU usage","creation_time":"2025-05-01T21:23:59Z","priority":"--","component":"Performance: General","last_change_time":"2025-05-26T16:36:04Z","op_sys":"Windows 11"},{"op_sys":"Unspecified","last_change_time":"2025-06-09T15:38:11Z","component":"Performance: Memory","priority":"--","summary":"high cpu memory youtube","creation_time":"2025-05-06T16:45:20Z","id":1964744,"keywords":[],"severity":"S3","status":"UNCONFIRMED"},{"op_sys":"Unspecified","last_change_time":"2025-10-23T13:55:27Z","component":"Graphics","priority":"--","summary":"Embedded video file playback hitching and freezing browser.","creation_time":"2025-07-16T12:32:39Z","id":1977599,"keywords":[],"severity":"--","status":"UNCONFIRMED"},{"summary":"utter-disappointment-with-firefox-performance","creation_time":"2025-08-05T21:33:11Z","keywords":[],"id":1981274,"severity":"--","status":"UNCONFIRMED","op_sys":"Unspecified","last_change_time":"2025-09-02T11:45:29Z","component":"Performance: General","priority":"--"},{"op_sys":"Unspecified","last_change_time":"2025-09-02T11:34:35Z","component":"Performance: General","priority":"--","creation_time":"2025-08-12T15:16:04Z","summary":"Google Maps takes forever to load","id":1982631,"keywords":[],"severity":"--","status":"UNCONFIRMED"}]}
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bugzilla-data-regressions.json

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