diff --git a/bugzilla-data-all.json b/bugzilla-data-all.json
index d4f0e68..5ef3223 100644
--- a/bugzilla-data-all.json
+++ b/bugzilla-data-all.json
@@ -2,176 +2,162 @@
"high": {
"bugs": [
{
- "last_change_time": "2022-12-27T04:43:45Z",
"summary": "Slow HTMLElement.focus calls on matrix-react benchmark",
- "priority": "--",
- "component": "DOM: Core & HTML",
+ "creation_time": "2022-03-17T14:56:27Z",
+ "last_change_time": "2022-12-27T04:43:45Z",
"op_sys": "All",
- "keywords": [],
"id": 1760045,
- "status": "ASSIGNED",
- "creation_time": "2022-03-17T14:56:27Z",
- "severity": "S3"
+ "severity": "S3",
+ "keywords": [],
+ "component": "DOM: Core & HTML",
+ "priority": "--",
+ "status": "ASSIGNED"
},
{
+ "creation_time": "2023-09-13T10:36:04Z",
+ "summary": "H3 upload Speed still slow. Three times slower than other browsers.",
+ "last_change_time": "2024-09-30T18:19:39Z",
"op_sys": "Unspecified",
+ "id": 1852924,
+ "severity": "S2",
"keywords": [
"leave-open",
"perf:responsiveness",
"reproducible",
"top50"
],
- "id": 1852924,
- "creation_time": "2023-09-13T10:36:04Z",
- "status": "ASSIGNED",
- "severity": "S2",
- "last_change_time": "2024-09-30T18:19:39Z",
- "summary": "H3 upload Speed still slow. Three times slower than other browsers.",
"priority": "P1",
- "component": "Networking: HTTP"
+ "component": "Networking: HTTP",
+ "status": "ASSIGNED"
},
{
- "op_sys": "Unspecified",
+ "status": "NEW",
+ "last_change_time": "2024-05-16T14:42:52Z",
+ "summary": "OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays",
+ "creation_time": "2019-12-10T17:22:25Z",
+ "component": "Widget: Cocoa",
+ "priority": "P2",
"keywords": [
"perf:responsiveness"
],
- "id": 1602842,
"severity": "S2",
- "creation_time": "2019-12-10T17:22:25Z",
- "status": "NEW",
- "last_change_time": "2024-05-16T14:42:52Z",
- "component": "Widget: Cocoa",
- "summary": "OSXDisplay::EnableVsync hangs in CVDisplayLinkCreateWithActiveCGDisplays",
- "priority": "P2"
+ "id": 1602842,
+ "op_sys": "Unspecified"
},
{
"op_sys": "Unspecified",
"id": 1677509,
+ "severity": "S3",
"keywords": [
"perf:responsiveness"
],
- "severity": "S3",
- "creation_time": "2020-11-16T15:30:13Z",
- "status": "NEW",
- "last_change_time": "2024-11-19T16:43:14Z",
"component": "IPC",
+ "priority": "--",
"summary": "SendReceiveMouseInputEvent often blocks the main thread of the parent process",
- "priority": "--"
+ "creation_time": "2020-11-16T15:30:13Z",
+ "last_change_time": "2024-11-19T16:43:14Z",
+ "status": "NEW"
},
{
- "last_change_time": "2023-05-19T20:35:11Z",
- "component": "Performance",
+ "creation_time": "2021-01-28T16:03:57Z",
"summary": "[Meta] investigate performance issues on Reddit.",
- "priority": "--",
+ "last_change_time": "2023-05-19T20:35:11Z",
"keywords": [
"meta"
],
- "id": 1689392,
+ "priority": "--",
+ "component": "Performance",
"op_sys": "Unspecified",
"severity": "--",
- "status": "NEW",
- "creation_time": "2021-01-28T16:03:57Z"
+ "id": 1689392,
+ "status": "NEW"
},
{
- "summary": "AudioContext power optimizations",
- "priority": "P2",
"component": "Web Audio",
- "last_change_time": "2024-05-16T00:17:02Z",
- "creation_time": "2022-05-25T16:56:04Z",
- "status": "NEW",
+ "priority": "P2",
+ "keywords": [],
"severity": "S2",
"id": 1771179,
- "keywords": [],
- "op_sys": "Unspecified"
+ "op_sys": "Unspecified",
+ "last_change_time": "2024-05-16T00:17:02Z",
+ "summary": "AudioContext power optimizations",
+ "creation_time": "2022-05-25T16:56:04Z",
+ "status": "NEW"
},
{
- "last_change_time": "2024-11-19T17:26:44Z",
+ "status": "NEW",
"component": "Graphics",
"priority": "--",
- "summary": "Compositor CSS animations are not paused in fully occluded windows",
- "op_sys": "Unspecified",
"keywords": [
"perf:resource-use",
"power",
"top50"
],
- "id": 1771902,
"severity": "S3",
- "status": "NEW",
+ "id": 1771902,
+ "op_sys": "Unspecified",
+ "last_change_time": "2024-11-19T17:26:44Z",
+ "summary": "Compositor CSS animations are not paused in fully occluded windows",
"creation_time": "2022-05-31T12:05:20Z"
},
{
"status": "NEW",
- "creation_time": "2022-08-31T21:19:22Z",
+ "id": 1788530,
"severity": "S2",
"op_sys": "Unspecified",
+ "component": "Performance",
+ "priority": "P2",
"keywords": [
"perf:resource-use",
"perf:responsiveness",
"reproducible"
],
- "id": 1788530,
- "priority": "P2",
- "summary": "Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab",
- "component": "Performance",
- "last_change_time": "2024-07-07T07:47:04Z"
+ "last_change_time": "2024-07-07T07:47:04Z",
+ "creation_time": "2022-08-31T21:19:22Z",
+ "summary": "Fenix hangs and memory usage jumps on theguardian.com when opening headlines in new tab"
},
{
- "id": 1887161,
- "keywords": [
- "regression"
- ],
- "op_sys": "All",
- "severity": "S2",
"status": "NEW",
- "creation_time": "2024-03-22T19:53:39Z",
- "last_change_time": "2024-11-19T22:22:12Z",
- "component": "Privacy: Anti-Tracking",
- "summary": "In private windows, canvas getImageData is slow due to GenerateCanvasKeyFromImageData",
- "priority": "P2"
- },
- {
- "op_sys": "Android",
- "id": 1892234,
+ "last_change_time": "2024-09-17T05:46:57Z",
+ "creation_time": "2024-04-18T13:42:25Z",
+ "summary": "org.mozilla.experiments.nimbus.Nimbus$applyLocalExperiments$2$1.invoke blocks startup for 110ms while it's loading libxul",
+ "priority": "P2",
+ "component": "Experimentation and Telemetry",
"keywords": [
"regression",
"regressionwindow-wanted"
],
- "creation_time": "2024-04-18T13:42:25Z",
- "status": "NEW",
+ "id": 1892234,
"severity": "S2",
- "last_change_time": "2024-09-17T05:46:57Z",
- "summary": "org.mozilla.experiments.nimbus.Nimbus$applyLocalExperiments$2$1.invoke blocks startup for 110ms while it's loading libxul",
- "priority": "P2",
- "component": "Experimentation and Telemetry"
+ "op_sys": "Android"
},
{
- "summary": "Frequent long janks on Android on loading certain pages",
- "priority": "P3",
- "component": "Storage: Quota Manager",
- "last_change_time": "2024-09-17T05:37:01Z",
"status": "NEW",
+ "last_change_time": "2024-09-17T05:37:01Z",
"creation_time": "2024-06-19T11:50:31Z",
+ "summary": "Frequent long janks on Android on loading certain pages",
+ "id": 1903530,
"severity": "S2",
"op_sys": "Unspecified",
- "keywords": [],
- "id": 1903530
+ "priority": "P3",
+ "component": "Storage: Quota Manager",
+ "keywords": []
},
{
- "component": "Crash Reporting",
- "summary": "ContentParent::KillHard janks the main thread",
- "priority": "--",
- "last_change_time": "2023-10-11T11:59:19Z",
- "severity": "S2",
"status": "REOPENED",
- "creation_time": "2019-05-10T14:52:25Z",
+ "op_sys": "Unspecified",
+ "id": 1550754,
+ "severity": "S2",
"keywords": [
"perf:responsiveness",
"perf:startup",
"reproducible"
],
- "id": 1550754,
- "op_sys": "Unspecified"
+ "priority": "--",
+ "component": "Crash Reporting",
+ "creation_time": "2019-05-10T14:52:25Z",
+ "summary": "ContentParent::KillHard janks the main thread",
+ "last_change_time": "2023-10-11T11:59:19Z"
}
]
},
@@ -179,8 +165,8 @@
"bugs": [
{
"last_change_time": "2024-02-20T05:25:50Z",
- "priority": "--",
"summary": "animated images inside visibility:hidden still eat CPU",
+ "priority": "--",
"component": "Layout",
"op_sys": "All",
"keywords": [
@@ -195,51 +181,47 @@
"severity": "S3"
},
{
- "status": "ASSIGNED",
- "creation_time": "2019-04-11T18:20:49Z",
- "severity": "S3",
+ "op_sys": "Android",
"keywords": [
"perf:pageload"
],
"id": 1543783,
- "op_sys": "Android",
- "priority": "P1",
+ "creation_time": "2019-04-11T18:20:49Z",
+ "status": "ASSIGNED",
+ "severity": "S3",
+ "last_change_time": "2024-04-08T18:36:30Z",
"summary": "m.facebook.com live site loads 1s slower in Fenix/GVE than Fennec 64",
- "component": "Performance",
- "last_change_time": "2024-04-08T18:36:30Z"
+ "priority": "P1",
+ "component": "Performance"
},
{
- "priority": "P3",
- "summary": "move system addons into builtins in omni.ja",
- "component": "General",
- "last_change_time": "2024-09-30T15:12:21Z",
- "creation_time": "2020-04-21T20:35:58Z",
- "status": "ASSIGNED",
"severity": "N/A",
- "op_sys": "Unspecified",
+ "status": "ASSIGNED",
+ "creation_time": "2020-04-21T20:35:58Z",
"keywords": [
"perf",
"perf:startup"
],
- "id": 1631932
+ "id": 1631932,
+ "op_sys": "Unspecified",
+ "component": "General",
+ "summary": "move system addons into builtins in omni.ja",
+ "priority": "P3",
+ "last_change_time": "2024-09-30T15:12:21Z"
},
{
- "severity": "S3",
- "creation_time": "2024-10-01T18:43:40Z",
- "status": "ASSIGNED",
- "op_sys": "Android",
- "id": 1922073,
- "keywords": [],
- "component": "JavaScript Engine: JIT",
+ "last_change_time": "2024-11-19T16:44:36Z",
"priority": "P3",
"summary": "js::jit::GenerateCode spends a lot of time in malloc lock contention",
- "last_change_time": "2024-11-19T16:44:36Z"
+ "component": "JavaScript Engine: JIT",
+ "op_sys": "Android",
+ "keywords": [],
+ "id": 1922073,
+ "status": "ASSIGNED",
+ "creation_time": "2024-10-01T18:43:40Z",
+ "severity": "S3"
},
{
- "last_change_time": "2024-08-15T14:01:50Z",
- "summary": "CSS parsing is 5.5% of startup time",
- "priority": "P3",
- "component": "CSS Parsing and Computation",
"id": 91242,
"keywords": [
"arch",
@@ -247,64 +229,68 @@
"perf:startup"
],
"op_sys": "All",
- "status": "NEW",
+ "severity": "S3",
"creation_time": "2001-07-18T04:11:33Z",
- "severity": "S3"
+ "status": "NEW",
+ "last_change_time": "2024-08-15T14:01:50Z",
+ "component": "CSS Parsing and Computation",
+ "priority": "P3",
+ "summary": "CSS parsing is 5.5% of startup time"
},
{
- "op_sys": "All",
"keywords": [
"perf"
],
"id": 216418,
+ "op_sys": "All",
"severity": "S3",
- "creation_time": "2003-08-17T03:26:28Z",
"status": "NEW",
+ "creation_time": "2003-08-17T03:26:28Z",
"last_change_time": "2023-05-15T19:04:00Z",
"component": "Layout",
"summary": "Page with lots of
text (or rather: extremely deeply-nested inline tags, with lots of linebreaks) uses lots of memory in layout arenas and is slow to load",
"priority": "--"
},
{
- "last_change_time": "2024-09-04T13:05:12Z",
- "component": "Graphics: ImageLib",
- "summary": "firefox struggles with large doxygen html file in nsLocalFile::GetLastModifiedTime (from imgLoader)",
- "priority": "--",
- "id": 304683,
"keywords": [
"perf:pageload",
"perf:resource-use",
"perf:responsiveness",
"reproducible"
],
+ "id": 304683,
"op_sys": "All",
"severity": "S3",
"status": "NEW",
- "creation_time": "2005-08-15T08:01:49Z"
+ "creation_time": "2005-08-15T08:01:49Z",
+ "last_change_time": "2024-09-04T13:05:12Z",
+ "component": "Graphics: ImageLib",
+ "priority": "--",
+ "summary": "firefox struggles with large doxygen html file in nsLocalFile::GetLastModifiedTime (from imgLoader)"
},
{
"last_change_time": "2023-08-23T01:33:13Z",
+ "component": "XML",
"priority": "--",
"summary": "Write a new off-the-main-thread IO driver for expat",
- "component": "XML",
"id": 651049,
"keywords": [
"perf:pageload"
],
"op_sys": "All",
- "status": "NEW",
+ "severity": "S3",
"creation_time": "2011-04-19T08:20:35Z",
- "severity": "S3"
+ "status": "NEW"
},
{
- "op_sys": "All",
- "id": 1027106,
"keywords": [
"perf:pageload",
"perf:resource-use",
"reproducible",
"testcase-wanted"
],
+ "id": 1027106,
+ "op_sys": "All",
"status": "NEW",
"creation_time": "2014-06-18T15:22:41Z",
"severity": "S3",
@@ -314,15 +300,14 @@
"component": "Graphics: ImageLib"
},
{
+ "component": "New Tab Page",
"summary": "Website causes Firefox to completely hang because same script file is getting loaded over and over again",
"priority": "P2",
- "component": "New Tab Page",
"last_change_time": "2024-06-04T18:21:25Z",
+ "severity": "S3",
"creation_time": "2014-07-13T16:33:17Z",
"status": "NEW",
- "severity": "S3",
"op_sys": "All",
- "id": 1037984,
"keywords": [
"csectype-dos",
"hang",
@@ -330,23 +315,25 @@
"perf:responsiveness",
"reproducible",
"testcase"
- ]
+ ],
+ "id": 1037984
},
{
- "component": "DOM: Core & HTML",
- "summary": "Evaluate aggregating timers to reduce the number of times we wake up the CPU for serving them",
- "priority": "P5",
- "last_change_time": "2022-03-02T15:47:27Z",
"severity": "S4",
- "creation_time": "2014-12-04T20:16:51Z",
"status": "NEW",
+ "creation_time": "2014-12-04T20:16:51Z",
+ "op_sys": "All",
+ "id": 1107626,
"keywords": [
"perf:resource-use"
],
- "id": 1107626,
- "op_sys": "All"
+ "component": "DOM: Core & HTML",
+ "summary": "Evaluate aggregating timers to reduce the number of times we wake up the CPU for serving them",
+ "priority": "P5",
+ "last_change_time": "2022-03-02T15:47:27Z"
},
{
+ "id": 1162698,
"keywords": [
"memory-footprint",
"memory-leak",
@@ -354,77 +341,76 @@
"perf:responsiveness",
"top-memory-leak"
],
- "id": 1162698,
"op_sys": "All",
"severity": "--",
- "creation_time": "2015-05-07T20:09:26Z",
"status": "NEW",
+ "creation_time": "2015-05-07T20:09:26Z",
"last_change_time": "2023-07-24T12:16:09Z",
"component": "New Tab Page",
- "priority": "P3",
- "summary": "Thumbnail generation should have a time limit"
+ "summary": "Thumbnail generation should have a time limit",
+ "priority": "P3"
},
{
+ "component": "Session Restore",
+ "summary": "Session Restore generates sustained large disk traffic [meta]",
+ "priority": "--",
+ "last_change_time": "2024-09-03T17:02:27Z",
"severity": "S3",
"creation_time": "2016-09-21T13:54:15Z",
"status": "NEW",
+ "op_sys": "All",
+ "id": 1304389,
"keywords": [
"meta",
"perf:animation",
"perf:resource-use",
"perf:responsiveness",
"reproducible"
- ],
- "id": 1304389,
- "op_sys": "All",
- "component": "Session Restore",
- "priority": "--",
- "summary": "Session Restore generates sustained large disk traffic [meta]",
- "last_change_time": "2024-09-03T17:02:27Z"
+ ]
},
{
+ "last_change_time": "2022-10-11T19:06:39Z",
"component": "Layout",
- "priority": "P3",
"summary": "Consider using FramePropertyTable less in layout",
- "last_change_time": "2022-10-11T19:06:39Z",
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2017-03-18T03:14:39Z",
- "op_sys": "Unspecified",
+ "priority": "P3",
"keywords": [
"perf",
"perf:pageload"
],
- "id": 1348469
- },
- {
- "last_change_time": "2022-10-11T19:07:40Z",
- "component": "Application Update",
- "summary": "getElevationRequired janks the parent process by doing IO on the main thread",
- "priority": "P3",
+ "id": 1348469,
+ "op_sys": "Unspecified",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2017-03-18T03:14:39Z"
+ },
+ {
+ "severity": "S3",
+ "creation_time": "2017-03-23T02:16:50Z",
+ "status": "NEW",
"keywords": [
"perf",
"perf:responsiveness"
],
"id": 1349809,
"op_sys": "macOS",
- "severity": "S3",
- "creation_time": "2017-03-23T02:16:50Z",
- "status": "NEW"
+ "component": "Application Update",
+ "summary": "getElevationRequired janks the parent process by doing IO on the main thread",
+ "priority": "P3",
+ "last_change_time": "2022-10-11T19:07:40Z"
},
{
- "priority": "P3",
+ "last_change_time": "2022-10-11T19:12:45Z",
"summary": "move built-in add-ons into omni.ja",
+ "priority": "P3",
"component": "Add-ons Manager",
- "last_change_time": "2022-10-11T19:12:45Z",
- "creation_time": "2017-04-17T21:50:27Z",
- "status": "NEW",
- "severity": "S3",
"id": 1357205,
"keywords": [
"perf:startup"
],
- "op_sys": "Unspecified"
+ "op_sys": "Unspecified",
+ "status": "NEW",
+ "creation_time": "2017-04-17T21:50:27Z",
+ "severity": "S3"
},
{
"keywords": [
@@ -436,31 +422,31 @@
"creation_time": "2017-05-08T18:35:31Z",
"severity": "S3",
"last_change_time": "2024-04-03T13:53:20Z",
- "summary": "Showing the bookmarks panel is too slow the first time",
"priority": "P3",
+ "summary": "Showing the bookmarks panel is too slow the first time",
"component": "Bookmarks & History"
},
{
+ "last_change_time": "2022-10-11T19:16:59Z",
+ "component": "XPCOM",
"priority": "--",
"summary": "[meta] Creating the XPCOM system info service is super expensive",
- "component": "XPCOM",
- "last_change_time": "2022-10-11T19:16:59Z",
- "status": "NEW",
- "creation_time": "2017-05-10T02:24:10Z",
- "severity": "S3",
- "op_sys": "Unspecified",
- "id": 1363586,
"keywords": [
"meta",
"perf",
"perf:responsiveness",
"perf:startup"
- ]
+ ],
+ "id": 1363586,
+ "op_sys": "Unspecified",
+ "severity": "S3",
+ "creation_time": "2017-05-10T02:24:10Z",
+ "status": "NEW"
},
{
+ "severity": "S3",
"status": "NEW",
"creation_time": "2017-05-11T14:44:03Z",
- "severity": "S3",
"id": 1364091,
"keywords": [
"perf",
@@ -468,31 +454,30 @@
"perf:startup"
],
"op_sys": "Unspecified",
- "priority": "P3",
- "summary": "Defer mozilla::widget::AudioSession::Start() until later in startup",
"component": "Widget: Win32",
+ "summary": "Defer mozilla::widget::AudioSession::Start() until later in startup",
+ "priority": "P3",
"last_change_time": "2022-10-11T19:17:24Z"
},
{
- "summary": "NSS should be initialized off main thread",
- "priority": "P2",
- "component": "Security: PSM",
"last_change_time": "2023-12-11T13:17:23Z",
- "status": "NEW",
- "creation_time": "2017-06-06T12:51:51Z",
- "severity": "S3",
+ "component": "Security: PSM",
+ "priority": "P2",
+ "summary": "NSS should be initialized off main thread",
"op_sys": "Unspecified",
"keywords": [
"perf:responsiveness",
"perf:startup"
],
- "id": 1370516
+ "id": 1370516,
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2017-06-06T12:51:51Z"
},
{
"status": "NEW",
"creation_time": "2017-06-19T08:52:46Z",
"severity": "S3",
- "op_sys": "Unspecified",
"keywords": [
"perf:frontend",
"perf:startup",
@@ -500,6 +485,7 @@
"regressionwindow-wanted"
],
"id": 1374216,
+ "op_sys": "Unspecified",
"summary": "Add-on icons should be in the navbar by first paint",
"priority": "P3",
"component": "Toolbars and Customization",
@@ -513,45 +499,45 @@
"status": "NEW",
"creation_time": "2017-08-08T21:56:17Z",
"severity": "S3",
- "op_sys": "Unspecified",
"keywords": [],
- "id": 1388538
+ "id": 1388538,
+ "op_sys": "Unspecified"
},
{
- "op_sys": "All",
+ "component": "JavaScript Engine",
+ "priority": "P3",
+ "summary": "Compiling the same script again and again for each embedded YouTube video",
+ "last_change_time": "2022-10-11T19:37:50Z",
+ "severity": "S3",
+ "creation_time": "2017-08-25T20:33:04Z",
+ "status": "NEW",
"id": 1393977,
"keywords": [
"perf"
],
- "status": "NEW",
- "creation_time": "2017-08-25T20:33:04Z",
- "severity": "S3",
- "last_change_time": "2022-10-11T19:37:50Z",
- "priority": "P3",
- "summary": "Compiling the same script again and again for each embedded YouTube video",
- "component": "JavaScript Engine"
+ "op_sys": "All"
},
{
"severity": "S3",
- "creation_time": "2017-09-18T08:13:45Z",
"status": "NEW",
+ "creation_time": "2017-09-18T08:13:45Z",
+ "op_sys": "macOS",
"keywords": [
"perf:resource-use"
],
"id": 1400787,
- "op_sys": "macOS",
"component": "Audio/Video: Playback",
"summary": "Using software video decoders (include VP9) ramps up computer fans on Macbook.",
"priority": "P3",
"last_change_time": "2022-10-11T19:42:53Z"
},
{
- "op_sys": "All",
"id": 1402910,
"keywords": [
"perf",
"perf:responsiveness"
],
+ "op_sys": "All",
"creation_time": "2017-09-25T16:43:13Z",
"status": "NEW",
"severity": "S3",
@@ -561,127 +547,123 @@
"component": "XPCOM"
},
{
+ "last_change_time": "2022-10-11T19:47:36Z",
+ "component": "CSS Parsing and Computation",
+ "priority": "P2",
+ "summary": "stylo: use invalidation framework to handle restyles needed in response to content insertion/removal",
+ "op_sys": "Unspecified",
"keywords": [
"perf:responsiveness"
],
"id": 1406622,
- "op_sys": "Unspecified",
"severity": "S3",
- "status": "NEW",
"creation_time": "2017-10-07T10:11:51Z",
- "last_change_time": "2022-10-11T19:47:36Z",
- "component": "CSS Parsing and Computation",
- "priority": "P2",
- "summary": "stylo: use invalidation framework to handle restyles needed in response to content insertion/removal"
+ "status": "NEW"
},
{
- "component": "Tabbed Browser",
- "summary": "With tab animations disabled, closing current tab to switch to another will visibly show a blank page with spinner (causing flashing)",
- "priority": "P3",
- "last_change_time": "2023-03-15T20:38:46Z",
- "severity": "S3",
- "creation_time": "2017-12-18T17:47:35Z",
"status": "NEW",
+ "creation_time": "2017-12-18T17:47:35Z",
+ "severity": "S3",
"op_sys": "All",
"id": 1425887,
"keywords": [
"perf",
"perf:frontend"
- ]
+ ],
+ "priority": "P3",
+ "summary": "With tab animations disabled, closing current tab to switch to another will visibly show a blank page with spinner (causing flashing)",
+ "component": "Tabbed Browser",
+ "last_change_time": "2023-03-15T20:38:46Z"
},
{
+ "summary": "RexBench is slower than Chrome/WebKit",
+ "priority": "P2",
+ "component": "JavaScript Engine",
+ "last_change_time": "2022-10-11T21:09:38Z",
+ "creation_time": "2018-01-09T05:47:13Z",
+ "status": "NEW",
+ "severity": "S3",
"keywords": [
"perf"
],
"id": 1428972,
- "op_sys": "Unspecified",
- "status": "NEW",
- "creation_time": "2018-01-09T05:47:13Z",
- "severity": "S3",
- "last_change_time": "2022-10-11T21:09:38Z",
- "summary": "RexBench is slower than Chrome/WebKit",
- "priority": "P2",
- "component": "JavaScript Engine"
+ "op_sys": "Unspecified"
},
{
- "last_change_time": "2024-04-03T03:06:41Z",
- "summary": "Activity stream initialization causes jank after receiving the sessionstore-windows-restored notification",
"priority": "P3",
+ "summary": "Activity stream initialization causes jank after receiving the sessionstore-windows-restored notification",
"component": "New Tab Page",
- "op_sys": "Unspecified",
+ "last_change_time": "2024-04-03T03:06:41Z",
+ "creation_time": "2018-02-21T13:15:04Z",
+ "status": "NEW",
+ "severity": "S3",
+ "id": 1439892,
"keywords": [
"perf:frontend",
"perf:startup"
],
- "id": 1439892,
- "status": "NEW",
- "creation_time": "2018-02-21T13:15:04Z",
- "severity": "S3"
+ "op_sys": "Unspecified"
},
{
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2018-03-05T04:29:30Z",
"op_sys": "Unspecified",
- "id": 1443066,
"keywords": [
"perf",
"perf:responsiveness"
],
- "creation_time": "2018-03-05T04:29:30Z",
- "status": "NEW",
- "severity": "S3",
- "last_change_time": "2022-10-11T21:21:11Z",
- "summary": "Try to understand why we're slower than Chrome on StyleBench \"Positional pseudo classes : Adding leaf elements: Async\" (& similar \"Removing\" measurement)",
+ "id": 1443066,
+ "component": "CSS Parsing and Computation",
"priority": "P3",
- "component": "CSS Parsing and Computation"
+ "summary": "Try to understand why we're slower than Chrome on StyleBench \"Positional pseudo classes : Adding leaf elements: Async\" (& similar \"Removing\" measurement)",
+ "last_change_time": "2022-10-11T21:21:11Z"
},
{
- "last_change_time": "2022-10-11T21:23:37Z",
- "priority": "P3",
- "summary": "The first startup after an update does main thread I/O to update.status several times",
- "component": "Application Update",
+ "status": "NEW",
+ "creation_time": "2018-03-15T16:29:05Z",
+ "severity": "S3",
"op_sys": "Unspecified",
"keywords": [
"perf:startup"
],
"id": 1446012,
- "status": "NEW",
- "creation_time": "2018-03-15T16:29:05Z",
- "severity": "S3"
+ "summary": "The first startup after an update does main thread I/O to update.status several times",
+ "priority": "P3",
+ "component": "Application Update",
+ "last_change_time": "2022-10-11T21:23:37Z"
},
{
- "priority": "P3",
- "summary": "Optimize resume point creation in IonBuilder",
- "component": "JavaScript Engine: JIT",
- "last_change_time": "2022-10-11T21:30:16Z",
- "status": "NEW",
- "creation_time": "2018-04-17T08:42:34Z",
- "severity": "S3",
"op_sys": "All",
"keywords": [
"perf"
],
- "id": 1454586
+ "id": 1454586,
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2018-04-17T08:42:34Z",
+ "last_change_time": "2022-10-11T21:30:16Z",
+ "component": "JavaScript Engine: JIT",
+ "priority": "P3",
+ "summary": "Optimize resume point creation in IonBuilder"
},
{
- "last_change_time": "2022-10-11T21:31:53Z",
- "priority": "P3",
- "summary": "nsJARChannel::asyncOpen can still block",
- "component": "Networking: JAR",
- "op_sys": "Unspecified",
+ "status": "NEW",
+ "creation_time": "2018-04-24T20:33:58Z",
+ "severity": "S3",
+ "id": 1456626,
"keywords": [
"perf",
"perf:responsiveness",
"perf:startup"
],
- "id": 1456626,
- "status": "NEW",
- "creation_time": "2018-04-24T20:33:58Z",
- "severity": "S3"
+ "op_sys": "Unspecified",
+ "priority": "P3",
+ "summary": "nsJARChannel::asyncOpen can still block",
+ "component": "Networking: JAR",
+ "last_change_time": "2022-10-11T21:31:53Z"
},
{
- "last_change_time": "2024-09-22T12:19:05Z",
- "component": "Web Painting",
- "priority": "P3",
- "summary": "Checkerboarding while scrollbar-dragging due to slow display list build on specific page with table layout",
"keywords": [
"nightly-community",
"perf",
@@ -692,209 +674,209 @@
"op_sys": "Windows 7",
"severity": "S3",
"creation_time": "2018-04-24T21:08:43Z",
- "status": "NEW"
+ "status": "NEW",
+ "last_change_time": "2024-09-22T12:19:05Z",
+ "component": "Web Painting",
+ "summary": "Checkerboarding while scrollbar-dragging due to slow display list build on specific page with table layout",
+ "priority": "P3"
},
{
- "last_change_time": "2024-02-08T23:49:09Z",
- "component": "Layout: Block and Inline",
- "summary": "It takes a long time to re-layout the plaintext page when the sidebar is opening or closing until move the mouse in the content area (with long time spent in RFindLineContaining)",
- "priority": "P3",
- "op_sys": "Windows 10",
"keywords": [
"perf",
"perf:responsiveness"
],
"id": 1456964,
- "severity": "S3",
+ "op_sys": "Windows 10",
+ "creation_time": "2018-04-25T19:10:14Z",
"status": "NEW",
- "creation_time": "2018-04-25T19:10:14Z"
+ "severity": "S3",
+ "last_change_time": "2024-02-08T23:49:09Z",
+ "priority": "P3",
+ "summary": "It takes a long time to re-layout the plaintext page when the sidebar is opening or closing until move the mouse in the content area (with long time spent in RFindLineContaining)",
+ "component": "Layout: Block and Inline"
},
{
- "severity": "S3",
"status": "NEW",
"creation_time": "2018-04-26T19:55:49Z",
+ "severity": "S3",
+ "op_sys": "Unspecified",
"keywords": [
"perf:resource-use"
],
"id": 1457276,
- "op_sys": "Unspecified",
- "component": "DOM: Content Processes",
- "summary": "TabChild::RecvRenderLayers often results in two consecutive paints",
"priority": "P2",
+ "summary": "TabChild::RecvRenderLayers often results in two consecutive paints",
+ "component": "DOM: Content Processes",
"last_change_time": "2023-09-21T15:50:42Z"
},
{
- "last_change_time": "2023-05-22T15:45:39Z",
- "summary": "\"forget about this site\" in \"show all history\" blocks the main thread",
"priority": "P3",
+ "summary": "\"forget about this site\" in \"show all history\" blocks the main thread",
"component": "Bookmarks & History",
+ "last_change_time": "2023-05-22T15:45:39Z",
+ "status": "NEW",
+ "creation_time": "2018-05-02T18:01:37Z",
+ "severity": "S3",
"op_sys": "Unspecified",
- "id": 1458634,
"keywords": [
"perf",
"perf:resource-use",
"perf:responsiveness"
],
- "status": "NEW",
- "creation_time": "2018-05-02T18:01:37Z",
- "severity": "S3"
+ "id": 1458634
},
{
- "op_sys": "Unspecified",
- "id": 1468246,
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2018-06-11T20:32:18Z",
"keywords": [
"perf:pageload"
],
- "severity": "S3",
- "creation_time": "2018-06-11T20:32:18Z",
- "status": "NEW",
- "last_change_time": "2022-10-11T21:41:13Z",
+ "id": 1468246,
+ "op_sys": "Unspecified",
"component": "Layout",
"priority": "P3",
- "summary": "High variability in performance testing with large images"
+ "summary": "High variability in performance testing with large images",
+ "last_change_time": "2022-10-11T21:41:13Z"
},
{
- "last_change_time": "2022-10-11T21:43:40Z",
- "summary": "High cpu/gpu usage and hangs on page-http://telegra.ph/Telegram-X-03-26 & other pages",
"priority": "P3",
+ "summary": "High cpu/gpu usage and hangs on page-http://telegra.ph/Telegram-X-03-26 & other pages",
"component": "Audio/Video: Playback",
+ "last_change_time": "2022-10-11T21:43:40Z",
+ "status": "NEW",
+ "creation_time": "2018-06-25T21:14:25Z",
+ "severity": "S3",
"keywords": [
"hang",
"perf:resource-use",
"power"
],
"id": 1471029,
- "op_sys": "All",
- "status": "NEW",
- "creation_time": "2018-06-25T21:14:25Z",
- "severity": "S3"
+ "op_sys": "All"
},
{
- "component": "Security: Process Sandboxing",
"summary": "Optimize Windows sandbox policy construction",
"priority": "P2",
+ "component": "Security: Process Sandboxing",
"last_change_time": "2022-10-11T21:47:20Z",
- "severity": "S3",
"status": "NEW",
"creation_time": "2018-07-16T20:44:07Z",
+ "severity": "S3",
"op_sys": "Windows",
- "id": 1476101,
"keywords": [
"perf:responsiveness",
"perf:startup"
- ]
+ ],
+ "id": 1476101
},
{
- "component": "CSS Parsing and Computation",
- "summary": "style.foo = bar changes are slow",
- "priority": "P3",
- "last_change_time": "2022-10-11T21:49:50Z",
- "severity": "S3",
- "status": "NEW",
"creation_time": "2018-07-27T10:44:44Z",
+ "status": "NEW",
+ "severity": "S3",
"id": 1478953,
"keywords": [
"perf:responsiveness"
],
- "op_sys": "Unspecified"
+ "op_sys": "Unspecified",
+ "summary": "style.foo = bar changes are slow",
+ "priority": "P3",
+ "component": "CSS Parsing and Computation",
+ "last_change_time": "2022-10-11T21:49:50Z"
},
{
- "component": "CSS Parsing and Computation",
- "priority": "P2",
- "summary": "Removing DOM children where positional pseudo-classes are involved is really slow.",
"last_change_time": "2024-09-03T16:59:49Z",
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2018-08-02T16:18:10Z",
+ "summary": "Removing DOM children where positional pseudo-classes are involved is really slow.",
+ "priority": "P2",
+ "component": "CSS Parsing and Computation",
+ "op_sys": "Unspecified",
+ "id": 1480477,
"keywords": [
"perf:responsiveness"
],
- "id": 1480477,
- "op_sys": "Unspecified"
+ "status": "NEW",
+ "creation_time": "2018-08-02T16:18:10Z",
+ "severity": "S3"
},
{
- "creation_time": "2018-08-08T22:40:31Z",
- "status": "NEW",
- "severity": "S3",
+ "last_change_time": "2022-10-11T21:52:11Z",
+ "summary": "100% cpu usage and high memory use on page with multiple embedded videos",
+ "priority": "P2",
+ "component": "Audio/Video: Playback",
"op_sys": "All",
"keywords": [
"perf:resource-use"
],
"id": 1481967,
- "summary": "100% cpu usage and high memory use on page with multiple embedded videos",
- "priority": "P2",
- "component": "Audio/Video: Playback",
- "last_change_time": "2022-10-11T21:52:11Z"
+ "status": "NEW",
+ "creation_time": "2018-08-08T22:40:31Z",
+ "severity": "S3"
},
{
- "last_change_time": "2024-09-21T13:28:21Z",
+ "creation_time": "2018-08-14T19:58:58Z",
+ "status": "NEW",
+ "severity": "S3",
+ "op_sys": "Unspecified",
+ "id": 1483345,
+ "keywords": [],
"summary": "Try and re-attach NewObject stubs after GC",
"priority": "P3",
"component": "JavaScript Engine: JIT",
- "op_sys": "Unspecified",
- "keywords": [],
- "id": 1483345,
- "creation_time": "2018-08-14T19:58:58Z",
- "status": "NEW",
- "severity": "S3"
+ "last_change_time": "2024-09-21T13:28:21Z"
},
{
- "component": "JavaScript Engine",
- "summary": "Significant key input delay when typing on large Google Docs",
- "priority": "P3",
- "last_change_time": "2024-07-16T07:42:18Z",
"severity": "S3",
"status": "NEW",
"creation_time": "2018-09-04T14:10:08Z",
- "op_sys": "macOS",
"id": 1488435,
- "keywords": []
+ "keywords": [],
+ "op_sys": "macOS",
+ "component": "JavaScript Engine",
+ "summary": "Significant key input delay when typing on large Google Docs",
+ "priority": "P3",
+ "last_change_time": "2024-07-16T07:42:18Z"
},
{
- "last_change_time": "2023-07-18T21:09:40Z",
- "priority": "P2",
- "summary": "[meta] Long-standing Ion Compilation Time Issues",
- "component": "JavaScript Engine: JIT",
- "id": 1490847,
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2018-09-12T22:40:00Z",
"keywords": [
"meta"
],
+ "id": 1490847,
"op_sys": "Unspecified",
- "status": "NEW",
- "creation_time": "2018-09-12T22:40:00Z",
- "severity": "S3"
+ "component": "JavaScript Engine: JIT",
+ "summary": "[meta] Long-standing Ion Compilation Time Issues",
+ "priority": "P2",
+ "last_change_time": "2023-07-18T21:09:40Z"
},
{
- "last_change_time": "2024-11-09T00:05:49Z",
- "summary": "Off-Main-Thread Baseline Compilation",
- "priority": "P2",
- "component": "JavaScript Engine: JIT",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2018-09-12T22:46:57Z",
+ "op_sys": "Unspecified",
"keywords": [],
"id": 1490849,
- "op_sys": "Unspecified",
- "creation_time": "2018-09-12T22:46:57Z",
- "status": "NEW",
- "severity": "S3"
+ "component": "JavaScript Engine: JIT",
+ "summary": "Off-Main-Thread Baseline Compilation",
+ "priority": "P2",
+ "last_change_time": "2024-11-09T00:05:49Z"
},
{
- "id": 1496096,
- "keywords": [
- "perf:resource-use"
- ],
- "op_sys": "Unspecified",
+ "component": "Audio/Video: Playback",
+ "summary": "Horrible performance on runningworld due to media decoding",
+ "priority": "P2",
+ "last_change_time": "2022-10-11T22:03:30Z",
"severity": "S3",
"status": "NEW",
"creation_time": "2018-10-03T15:02:45Z",
- "last_change_time": "2022-10-11T22:03:30Z",
- "component": "Audio/Video: Playback",
- "priority": "P2",
- "summary": "Horrible performance on runningworld due to media decoding"
+ "keywords": [
+ "perf:resource-use"
+ ],
+ "id": 1496096,
+ "op_sys": "Unspecified"
},
{
- "component": "JavaScript Engine",
- "summary": "hubs.mozilla.com frame rate with an empty scene is too slow in FxR on Oculus Go",
- "priority": "P3",
- "last_change_time": "2024-05-03T15:18:39Z",
"severity": "S3",
"creation_time": "2018-10-12T07:38:21Z",
"status": "NEW",
@@ -902,54 +884,62 @@
"keywords": [
"perf:responsiveness"
],
- "op_sys": "Android"
+ "op_sys": "Android",
+ "component": "JavaScript Engine",
+ "priority": "P3",
+ "summary": "hubs.mozilla.com frame rate with an empty scene is too slow in FxR on Oculus Go",
+ "last_change_time": "2024-05-03T15:18:39Z"
},
{
- "last_change_time": "2024-09-22T12:17:26Z",
+ "component": "CSS Parsing and Computation",
"priority": "--",
"summary": "Reddit content is no longer displayed when scrolled (checkerboarding), with long restyles",
- "component": "CSS Parsing and Computation",
+ "last_change_time": "2024-09-22T12:17:26Z",
+ "severity": "S3",
+ "creation_time": "2018-10-26T12:54:03Z",
+ "status": "NEW",
+ "id": 1502334,
"keywords": [
"perf:animation",
"regression",
"reproducible",
"top50"
],
- "id": 1502334,
- "op_sys": "All",
- "creation_time": "2018-10-26T12:54:03Z",
- "status": "NEW",
- "severity": "S3"
+ "op_sys": "All"
},
{
- "last_change_time": "2022-10-11T22:10:59Z",
- "priority": "P2",
"summary": "twitch.tv site loads slow compared to Chrome",
+ "priority": "P2",
"component": "JavaScript Engine",
+ "last_change_time": "2022-10-11T22:10:59Z",
+ "creation_time": "2018-11-06T22:12:10Z",
+ "status": "NEW",
+ "severity": "S3",
"keywords": [
"perf:pageload"
],
"id": 1505192,
- "op_sys": "Android",
- "status": "NEW",
- "creation_time": "2018-11-06T22:12:10Z",
- "severity": "S3"
+ "op_sys": "Android"
},
{
- "last_change_time": "2022-10-11T22:11:18Z",
- "priority": "P2",
- "summary": "Getting a list of audio devices on about:support is super slow sometimes",
- "component": "Audio/Video",
+ "status": "NEW",
+ "creation_time": "2018-11-07T17:49:31Z",
+ "severity": "S3",
"id": 1505483,
"keywords": [
"perf:responsiveness"
],
"op_sys": "Unspecified",
- "status": "NEW",
- "creation_time": "2018-11-07T17:49:31Z",
- "severity": "S3"
+ "priority": "P2",
+ "summary": "Getting a list of audio devices on about:support is super slow sometimes",
+ "component": "Audio/Video",
+ "last_change_time": "2022-10-11T22:11:18Z"
},
{
+ "component": "Graphics",
+ "priority": "P5",
+ "summary": "graphics data gathering (and/or canvas webgl context initialization) from about:support is slow",
+ "last_change_time": "2024-03-20T20:46:07Z",
"severity": "S3",
"creation_time": "2018-11-07T19:32:59Z",
"status": "NEW",
@@ -958,49 +948,42 @@
"perf:responsiveness"
],
"id": 1505533,
- "op_sys": "Unspecified",
- "component": "Graphics",
- "priority": "P5",
- "summary": "graphics data gathering (and/or canvas webgl context initialization) from about:support is slow",
- "last_change_time": "2024-03-20T20:46:07Z"
+ "op_sys": "Unspecified"
},
{
- "summary": "Do an optimization to not flush animations which are running on the compositor in various places where we call FlushPendingNotification",
- "priority": "P3",
- "component": "DOM: Animation",
- "last_change_time": "2022-10-11T22:12:27Z",
- "status": "NEW",
- "creation_time": "2018-11-13T04:54:48Z",
- "severity": "S3",
- "op_sys": "Unspecified",
"id": 1506765,
"keywords": [
"perf:responsiveness"
- ]
+ ],
+ "op_sys": "Unspecified",
+ "creation_time": "2018-11-13T04:54:48Z",
+ "status": "NEW",
+ "severity": "S3",
+ "last_change_time": "2022-10-11T22:12:27Z",
+ "priority": "P3",
+ "summary": "Do an optimization to not flush animations which are running on the compositor in various places where we call FlushPendingNotification",
+ "component": "DOM: Animation"
},
{
- "last_change_time": "2022-10-11T22:12:38Z",
+ "component": "Tabbed Browser",
"priority": "P5",
"summary": "Try persisting chromemargin and brighttext attributes on browser windows",
- "component": "Tabbed Browser",
+ "last_change_time": "2022-10-11T22:12:38Z",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2018-11-13T21:07:29Z",
+ "op_sys": "Unspecified",
"keywords": [
"perf:frontend",
"perf:responsiveness",
"perf:startup"
],
- "id": 1506962,
- "op_sys": "Unspecified",
- "status": "NEW",
- "creation_time": "2018-11-13T21:07:29Z",
- "severity": "S3"
+ "id": 1506962
},
{
- "last_change_time": "2023-07-24T12:22:05Z",
- "component": "PDF Viewer",
- "priority": "P3",
- "summary": "Firefox is very slow to render poster PDF",
- "op_sys": "Unspecified",
- "id": 1508765,
+ "creation_time": "2018-11-20T19:36:06Z",
+ "status": "NEW",
+ "severity": "S3",
"keywords": [
"parity-chrome",
"perf",
@@ -1010,32 +993,35 @@
"regression",
"reproducible"
],
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2018-11-20T19:36:06Z"
+ "id": 1508765,
+ "op_sys": "Unspecified",
+ "priority": "P3",
+ "summary": "Firefox is very slow to render poster PDF",
+ "component": "PDF Viewer",
+ "last_change_time": "2023-07-24T12:22:05Z"
},
{
- "last_change_time": "2022-10-11T22:14:24Z",
- "component": "DOM: Core & HTML",
- "priority": "P3",
- "summary": "Optimizing nsGlobalWindowOuter::NotifyContentBlockingState() seems to have an impact on pageload",
+ "severity": "S3",
+ "creation_time": "2018-11-22T04:38:51Z",
+ "status": "NEW",
+ "op_sys": "Unspecified",
"id": 1509228,
"keywords": [
"perf",
"perf:pageload"
],
- "op_sys": "Unspecified",
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2018-11-22T04:38:51Z"
+ "component": "DOM: Core & HTML",
+ "priority": "P3",
+ "summary": "Optimizing nsGlobalWindowOuter::NotifyContentBlockingState() seems to have an impact on pageload",
+ "last_change_time": "2022-10-11T22:14:24Z"
},
{
- "op_sys": "Unspecified",
- "id": 1515414,
"keywords": [
"perf",
"perf:pageload"
],
+ "id": 1515414,
+ "op_sys": "Unspecified",
"severity": "S3",
"status": "NEW",
"creation_time": "2018-12-19T19:35:51Z",
@@ -1045,179 +1031,179 @@
"summary": "Defer GCs in background tabs/processes during pageload"
},
{
- "priority": "P3",
- "summary": "CPU intensive slideshow on http://thesantaclausparade.com/",
- "component": "Graphics",
- "last_change_time": "2024-08-03T20:54:28Z",
- "creation_time": "2018-12-19T22:43:20Z",
- "status": "NEW",
- "severity": "S3",
- "op_sys": "Unspecified",
- "id": 1515473,
"keywords": [
"perf",
"perf:responsiveness"
- ]
+ ],
+ "id": 1515473,
+ "op_sys": "Unspecified",
+ "status": "NEW",
+ "creation_time": "2018-12-19T22:43:20Z",
+ "severity": "S3",
+ "last_change_time": "2024-08-03T20:54:28Z",
+ "summary": "CPU intensive slideshow on http://thesantaclausparade.com/",
+ "priority": "P3",
+ "component": "Graphics"
},
{
- "component": "General",
- "priority": "P3",
- "summary": "[meta] reduce impact/overhead of custom element use on startup",
- "last_change_time": "2023-08-05T01:39:19Z",
"severity": "S3",
"status": "NEW",
"creation_time": "2018-12-20T23:13:35Z",
- "op_sys": "Unspecified",
- "id": 1515799,
"keywords": [
"meta",
"perf:frontend",
"perf:startup"
- ]
+ ],
+ "id": 1515799,
+ "op_sys": "Unspecified",
+ "component": "General",
+ "priority": "P3",
+ "summary": "[meta] reduce impact/overhead of custom element use on startup",
+ "last_change_time": "2023-08-05T01:39:19Z"
},
{
- "summary": "Download indicator code should use idle task and/or not load until there are downloads",
+ "last_change_time": "2022-10-11T22:20:48Z",
"priority": "P5",
+ "summary": "Download indicator code should use idle task and/or not load until there are downloads",
"component": "Downloads Panel",
- "last_change_time": "2022-10-11T22:20:48Z",
- "creation_time": "2018-12-27T14:05:19Z",
- "status": "NEW",
- "severity": "S3",
"keywords": [
"perf:frontend",
"perf:startup"
],
"id": 1516525,
- "op_sys": "Unspecified"
+ "op_sys": "Unspecified",
+ "status": "NEW",
+ "creation_time": "2018-12-27T14:05:19Z",
+ "severity": "S3"
},
{
- "op_sys": "Unspecified",
"keywords": [
"perf:responsiveness"
],
"id": 1517254,
+ "op_sys": "Unspecified",
"severity": "S3",
"creation_time": "2019-01-02T14:52:14Z",
"status": "NEW",
"last_change_time": "2022-10-11T22:21:13Z",
"component": "CSS Parsing and Computation",
- "summary": "Slow load and long delay before search field can be interacted with on https://scouts.org.uk",
- "priority": "P2"
+ "priority": "P2",
+ "summary": "Slow load and long delay before search field can be interacted with on https://scouts.org.uk"
},
{
- "component": "Layout",
- "summary": "jetbrains \"upsource\" file-view hangs the browser, when scrolled",
- "priority": "P2",
"last_change_time": "2022-10-11T22:24:11Z",
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2019-01-17T08:50:51Z",
+ "priority": "P2",
+ "summary": "jetbrains \"upsource\" file-view hangs the browser, when scrolled",
+ "component": "Layout",
+ "op_sys": "Unspecified",
"keywords": [
"perf:responsiveness"
],
"id": 1520729,
- "op_sys": "Unspecified"
+ "status": "NEW",
+ "creation_time": "2019-01-17T08:50:51Z",
+ "severity": "S3"
},
{
- "last_change_time": "2024-10-29T18:35:20Z",
- "priority": "P3",
- "summary": "Low-latency video playback via MediaSource causes extremely high CPU/GPU usage and poor playback performance.",
- "component": "Audio/Video: Playback",
- "op_sys": "Unspecified",
"keywords": [
"perf:responsiveness"
],
"id": 1520894,
+ "op_sys": "Unspecified",
"status": "NEW",
"creation_time": "2019-01-17T19:55:08Z",
- "severity": "S3"
+ "severity": "S3",
+ "last_change_time": "2024-10-29T18:35:20Z",
+ "summary": "Low-latency video playback via MediaSource causes extremely high CPU/GPU usage and poor playback performance.",
+ "priority": "P3",
+ "component": "Audio/Video: Playback"
},
{
- "component": "Layout: Text and Fonts",
- "summary": "InitOtherFamilyNamesRunnable can slow down first page load and take > 100ms",
- "priority": "P2",
- "last_change_time": "2022-10-11T22:25:37Z",
"severity": "S3",
"creation_time": "2019-01-23T18:40:07Z",
"status": "NEW",
- "id": 1522196,
+ "op_sys": "All",
"keywords": [
"perf:pageload"
],
- "op_sys": "All"
+ "id": 1522196,
+ "component": "Layout: Text and Fonts",
+ "priority": "P2",
+ "summary": "InitOtherFamilyNamesRunnable can slow down first page load and take > 100ms",
+ "last_change_time": "2022-10-11T22:25:37Z"
},
{
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2019-01-26T00:23:18Z",
- "op_sys": "All",
+ "last_change_time": "2024-09-22T12:25:57Z",
+ "summary": "[meta] Performance of \"about:config\"",
+ "priority": "P3",
+ "component": "Preferences",
+ "id": 1523028,
"keywords": [
"meta",
"perf",
"perf:responsiveness",
"regression"
],
- "id": 1523028,
- "component": "Preferences",
- "priority": "P3",
- "summary": "[meta] Performance of \"about:config\"",
- "last_change_time": "2024-09-22T12:25:57Z"
+ "op_sys": "All",
+ "creation_time": "2019-01-26T00:23:18Z",
+ "status": "NEW",
+ "severity": "S3"
},
{
- "last_change_time": "2023-05-03T01:27:00Z",
- "summary": "Twitch.tv video's (vod) freeze during playback on MacOS",
- "priority": "P2",
- "component": "Audio/Video: Playback",
- "op_sys": "macOS",
"id": 1524384,
"keywords": [
"perf:responsiveness"
],
- "status": "NEW",
+ "op_sys": "macOS",
"creation_time": "2019-01-31T20:58:54Z",
- "severity": "S3"
+ "status": "NEW",
+ "severity": "S3",
+ "last_change_time": "2023-05-03T01:27:00Z",
+ "priority": "P2",
+ "summary": "Twitch.tv video's (vod) freeze during playback on MacOS",
+ "component": "Audio/Video: Playback"
},
{
+ "component": "Web Painting",
+ "summary": "Scroll jank when mousewheel-scrolling slide thumbnails on Google Docs (with lots of time spent painting & in GetFrameForPoint)",
+ "priority": "P2",
+ "last_change_time": "2022-10-11T22:29:04Z",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2019-02-11T18:16:31Z",
"keywords": [
"perf:responsiveness"
],
"id": 1527037,
- "op_sys": "Unspecified",
- "severity": "S3",
- "creation_time": "2019-02-11T18:16:31Z",
- "status": "NEW",
- "last_change_time": "2022-10-11T22:29:04Z",
- "component": "Web Painting",
- "summary": "Scroll jank when mousewheel-scrolling slide thumbnails on Google Docs (with lots of time spent painting & in GetFrameForPoint)",
- "priority": "P2"
+ "op_sys": "Unspecified"
},
{
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2019-02-15T16:08:16Z",
"op_sys": "Unspecified",
"id": 1528285,
"keywords": [
"meta",
"perf:pageload"
],
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2019-02-15T16:08:16Z",
+ "last_change_time": "2023-06-30T18:02:44Z",
"component": "Networking: HTTP",
- "summary": "[meta] Allow call of AsyncOpen and OnStart/OnStopRequest off the main thread",
"priority": "P2",
- "last_change_time": "2023-06-30T18:02:44Z"
+ "summary": "[meta] Allow call of AsyncOpen and OnStart/OnStopRequest off the main thread"
},
{
"status": "NEW",
"creation_time": "2019-03-11T18:25:07Z",
"severity": "S3",
+ "op_sys": "Unspecified",
"keywords": [
"perf:frontend",
"perf:startup"
],
"id": 1534371,
- "op_sys": "Unspecified",
- "summary": "Lazy load browser.xul menus",
"priority": "P3",
+ "summary": "Lazy load browser.xul menus",
"component": "Menus",
"last_change_time": "2023-08-05T01:38:55Z"
},
@@ -1226,97 +1212,97 @@
"component": "Graphics",
"priority": "P3",
"summary": "[10.14.4] Poor battery life on MacBook Pro",
- "op_sys": "macOS",
+ "id": 1536622,
"keywords": [
"perf",
"perf:resource-use"
],
- "id": 1536622,
+ "op_sys": "macOS",
"severity": "S3",
- "status": "NEW",
- "creation_time": "2019-03-19T21:20:53Z"
+ "creation_time": "2019-03-19T21:20:53Z",
+ "status": "NEW"
},
{
"last_change_time": "2024-04-02T13:41:19Z",
- "component": "General",
"priority": "P3",
"summary": "Performance is slow/janky with a full complement of add-ons, restored session, opening discarded tabs",
- "id": 1536739,
+ "component": "General",
"keywords": [
"perf:responsiveness"
],
+ "id": 1536739,
"op_sys": "Unspecified",
- "severity": "S3",
"creation_time": "2019-03-20T07:53:47Z",
- "status": "NEW"
+ "status": "NEW",
+ "severity": "S3"
},
{
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2019-03-25T17:26:55Z",
- "op_sys": "Unspecified",
+ "last_change_time": "2022-10-11T22:39:08Z",
+ "component": "XPCOM",
+ "priority": "--",
+ "summary": "Set nsThreadPool limits more intelligently",
"id": 1538784,
"keywords": [
"perf:resource-use"
],
- "component": "XPCOM",
- "summary": "Set nsThreadPool limits more intelligently",
- "priority": "--",
- "last_change_time": "2022-10-11T22:39:08Z"
+ "op_sys": "Unspecified",
+ "severity": "S3",
+ "creation_time": "2019-03-25T17:26:55Z",
+ "status": "NEW"
},
{
- "op_sys": "Unspecified",
+ "last_change_time": "2022-10-11T22:39:22Z",
+ "summary": "Running gfxPlatform::Init in the content process can take a long time",
+ "priority": "P3",
+ "component": "Graphics",
"keywords": [
"perf:responsiveness"
],
"id": 1539266,
- "status": "NEW",
+ "op_sys": "Unspecified",
"creation_time": "2019-03-26T20:57:57Z",
- "severity": "S3",
- "last_change_time": "2022-10-11T22:39:22Z",
- "summary": "Running gfxPlatform::Init in the content process can take a long time",
- "priority": "P3",
- "component": "Graphics"
+ "status": "NEW",
+ "severity": "S3"
},
{
- "creation_time": "2019-03-29T19:18:26Z",
- "status": "NEW",
- "severity": "S3",
"keywords": [
"perf:responsiveness"
],
"id": 1540226,
"op_sys": "Unspecified",
- "priority": "P2",
- "summary": "Brief video and audio interruptions on YouTube when tab is focused after it was in the background",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2019-03-29T19:18:26Z",
+ "last_change_time": "2022-10-11T22:40:24Z",
"component": "Graphics",
- "last_change_time": "2022-10-11T22:40:24Z"
+ "priority": "P2",
+ "summary": "Brief video and audio interruptions on YouTube when tab is focused after it was in the background"
},
{
"creation_time": "2019-04-02T20:18:11Z",
"status": "NEW",
"severity": "S3",
"op_sys": "Unspecified",
- "id": 1541200,
"keywords": [
"main-thread-io",
"perf:startup"
],
+ "id": 1541200,
"priority": "P2",
"summary": "Avoid nsExceptionHandler::SetupExtraData() doing main thread IO super early on startup",
"component": "Crash Reporting",
"last_change_time": "2022-10-11T22:41:22Z"
},
{
- "op_sys": "Unspecified",
+ "id": 1541491,
"keywords": [
"main-thread-io",
"perf",
"perf:startup"
],
- "id": 1541491,
- "status": "NEW",
+ "op_sys": "Unspecified",
"creation_time": "2019-04-03T17:10:18Z",
+ "status": "NEW",
"severity": "S3",
"last_change_time": "2024-07-25T20:36:55Z",
"priority": "P3",
@@ -1324,10 +1310,9 @@
"component": "Startup and Profile System"
},
{
- "last_change_time": "2022-10-11T22:41:40Z",
- "priority": "P3",
- "summary": "Stop writing compatibility.ini piecemeal and on the main thread and on startup",
- "component": "Startup and Profile System",
+ "status": "NEW",
+ "creation_time": "2019-04-03T17:15:49Z",
+ "severity": "S3",
"id": 1541494,
"keywords": [
"main-thread-io",
@@ -1336,40 +1321,41 @@
"perf:startup"
],
"op_sys": "Unspecified",
- "creation_time": "2019-04-03T17:15:49Z",
- "status": "NEW",
- "severity": "S3"
+ "priority": "P3",
+ "summary": "Stop writing compatibility.ini piecemeal and on the main thread and on startup",
+ "component": "Startup and Profile System",
+ "last_change_time": "2022-10-11T22:41:40Z"
},
{
- "severity": "S3",
- "creation_time": "2019-04-03T21:31:57Z",
- "status": "NEW",
- "op_sys": "Unspecified",
"id": 1541601,
"keywords": [
"main-thread-io",
"perf",
"perf:startup"
],
- "component": "Startup and Profile System",
- "summary": "Very very very carefully... remove channel-prefs.js and stop reading it from the main thread early on startup",
+ "op_sys": "Unspecified",
+ "status": "NEW",
+ "creation_time": "2019-04-03T21:31:57Z",
+ "severity": "S3",
+ "last_change_time": "2024-01-29T10:01:40Z",
"priority": "--",
- "last_change_time": "2024-01-29T10:01:40Z"
+ "summary": "Very very very carefully... remove channel-prefs.js and stop reading it from the main thread early on startup",
+ "component": "Startup and Profile System"
},
{
- "last_change_time": "2024-04-08T18:35:59Z",
- "summary": "[meta] 5+ second delays seen while loading www.allrecipes.com on geckoview_example",
- "priority": "P2",
- "component": "Performance",
- "op_sys": "Unspecified",
"keywords": [
"meta",
"perf:pageload"
],
"id": 1543776,
+ "op_sys": "Unspecified",
+ "severity": "S3",
"status": "NEW",
"creation_time": "2019-04-11T17:55:48Z",
- "severity": "S3"
+ "last_change_time": "2024-04-08T18:35:59Z",
+ "component": "Performance",
+ "summary": "[meta] 5+ second delays seen while loading www.allrecipes.com on geckoview_example",
+ "priority": "P2"
},
{
"op_sys": "Unspecified",
@@ -1379,215 +1365,214 @@
"perf",
"perf:startup"
],
- "severity": "S3",
"creation_time": "2019-04-12T14:40:08Z",
"status": "NEW",
+ "severity": "S3",
"last_change_time": "2023-05-31T19:21:00Z",
- "component": "XPCOM",
"summary": "Consolidate IO for startupCache folder access",
- "priority": "--"
+ "priority": "--",
+ "component": "XPCOM"
},
{
- "status": "NEW",
- "creation_time": "2019-04-15T18:19:33Z",
"severity": "S3",
- "op_sys": "Unspecified",
- "id": 1544504,
+ "creation_time": "2019-04-15T18:19:33Z",
+ "status": "NEW",
"keywords": [
"main-thread-io",
"perf",
"perf:responsiveness",
"perf:startup"
],
- "priority": "P3",
- "summary": "Investigate compressing omni.ja's (with lz4)",
+ "id": 1544504,
+ "op_sys": "Unspecified",
"component": "Startup and Profile System",
+ "summary": "Investigate compressing omni.ja's (with lz4)",
+ "priority": "P3",
"last_change_time": "2022-10-11T22:44:28Z"
},
{
- "id": 1545119,
"keywords": [
"main-thread-io",
"perf:startup"
],
+ "id": 1545119,
"op_sys": "Unspecified",
- "severity": "S3",
- "creation_time": "2019-04-17T15:06:25Z",
"status": "NEW",
+ "creation_time": "2019-04-17T15:06:25Z",
+ "severity": "S3",
"last_change_time": "2023-06-26T23:49:36Z",
- "component": "Application Update",
"priority": "P5",
- "summary": "Update service tries to migrate things from \"old update dir\" early on startup and does main thread IO"
+ "summary": "Update service tries to migrate things from \"old update dir\" early on startup and does main thread IO",
+ "component": "Application Update"
},
{
- "creation_time": "2019-04-30T16:38:33Z",
+ "summary": "Only prefetch the parts of XUL.dll that we actually will need",
+ "priority": "P3",
+ "component": "Startup and Profile System",
+ "last_change_time": "2022-10-11T22:47:35Z",
"status": "NEW",
+ "creation_time": "2019-04-30T16:38:33Z",
"severity": "S3",
- "op_sys": "Unspecified",
"id": 1548033,
"keywords": [
"main-thread-io",
"perf",
"perf:startup"
],
- "summary": "Only prefetch the parts of XUL.dll that we actually will need",
- "priority": "P3",
- "component": "Startup and Profile System",
- "last_change_time": "2022-10-11T22:47:35Z"
+ "op_sys": "Unspecified"
},
{
"creation_time": "2019-05-02T14:17:10Z",
"status": "NEW",
"severity": "S3",
- "op_sys": "Unspecified",
+ "id": 1548539,
"keywords": [
"perf:pageload"
],
- "id": 1548539,
+ "op_sys": "Unspecified",
"priority": "P2",
"summary": "Stopping blocking bfcache on unconnected peerconnections",
"component": "WebRTC",
"last_change_time": "2022-10-11T22:48:08Z"
},
{
- "last_change_time": "2022-10-11T22:52:33Z",
- "component": "Crash Reporting",
- "summary": "Use minidump-analyzer to append Windows AV/spyware/firewall data to crashreport .extra file; add to telemetry environment data lazily",
"priority": "--",
- "op_sys": "Unspecified",
+ "summary": "Use minidump-analyzer to append Windows AV/spyware/firewall data to crashreport .extra file; add to telemetry environment data lazily",
+ "component": "Crash Reporting",
+ "last_change_time": "2022-10-11T22:52:33Z",
+ "status": "NEW",
+ "creation_time": "2019-05-22T16:11:19Z",
+ "severity": "S3",
+ "id": 1553536,
"keywords": [
"main-thread-io",
"perf",
"perf:startup"
],
- "id": 1553536,
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2019-05-22T16:11:19Z"
+ "op_sys": "Unspecified"
},
{
- "status": "NEW",
- "creation_time": "2019-05-23T21:51:13Z",
- "severity": "S3",
- "op_sys": "Unspecified",
- "id": 1553980,
"keywords": [
"perf:resource-use"
],
- "priority": "P3",
- "summary": "Defer initial processing by Privileged Content process at startup",
+ "id": 1553980,
+ "op_sys": "Unspecified",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2019-05-23T21:51:13Z",
+ "last_change_time": "2022-10-11T22:52:58Z",
"component": "New Tab Page",
- "last_change_time": "2022-10-11T22:52:58Z"
+ "summary": "Defer initial processing by Privileged Content process at startup",
+ "priority": "P3"
},
{
- "op_sys": "Unspecified",
+ "severity": "S3",
+ "creation_time": "2019-05-24T15:01:19Z",
+ "status": "NEW",
"id": 1554200,
"keywords": [
"main-thread-io",
"perf:resource-use",
"perf:startup"
],
- "severity": "S3",
- "creation_time": "2019-05-24T15:01:19Z",
- "status": "NEW",
- "last_change_time": "2023-02-22T18:35:16Z",
+ "op_sys": "Unspecified",
"component": "XPCOM",
+ "summary": "nsLocalFile's Clone method is too naive, should reuse more information from the original",
"priority": "--",
- "summary": "nsLocalFile's Clone method is too naive, should reuse more information from the original"
+ "last_change_time": "2023-02-22T18:35:16Z"
},
{
- "status": "NEW",
- "creation_time": "2019-05-24T20:22:15Z",
- "severity": "S3",
- "id": 1554313,
+ "last_change_time": "2022-10-11T22:53:15Z",
+ "component": "Safe Browsing",
+ "summary": "Classifier Update should wait for an user-idle period before initiating an update",
+ "priority": "P3",
"keywords": [
"perf:pageload",
"perf:responsiveness"
],
+ "id": 1554313,
"op_sys": "Unspecified",
- "summary": "Classifier Update should wait for an user-idle period before initiating an update",
- "priority": "P3",
- "component": "Safe Browsing",
- "last_change_time": "2022-10-11T22:53:15Z"
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2019-05-24T20:22:15Z"
},
{
- "op_sys": "Unspecified",
- "id": 1554395,
+ "status": "NEW",
+ "creation_time": "2019-05-25T14:59:39Z",
+ "severity": "S3",
"keywords": [
"perf:pageload"
],
- "severity": "S3",
- "creation_time": "2019-05-25T14:59:39Z",
- "status": "NEW",
- "last_change_time": "2024-09-17T05:36:02Z",
- "component": "XPCOM",
+ "id": 1554395,
+ "op_sys": "Unspecified",
"summary": "StartupCache takes a very long time to write out cache after browser startup",
- "priority": "--"
+ "priority": "--",
+ "component": "XPCOM",
+ "last_change_time": "2024-09-17T05:36:02Z"
},
{
- "status": "NEW",
- "creation_time": "2019-06-06T15:49:16Z",
- "severity": "S3",
+ "last_change_time": "2023-12-11T13:15:54Z",
+ "summary": "Investigate linking softokn/freebl/nss thingies directly into libxul or use readahead to make actual nss initialization cheaper",
+ "priority": "P3",
+ "component": "Security: PSM",
+ "op_sys": "Unspecified",
"id": 1557378,
"keywords": [
"main-thread-io",
"perf",
"perf:startup"
],
- "op_sys": "Unspecified",
- "summary": "Investigate linking softokn/freebl/nss thingies directly into libxul or use readahead to make actual nss initialization cheaper",
- "priority": "P3",
- "component": "Security: PSM",
- "last_change_time": "2023-12-11T13:15:54Z"
+ "creation_time": "2019-06-06T15:49:16Z",
+ "status": "NEW",
+ "severity": "S3"
},
{
+ "status": "NEW",
+ "creation_time": "2019-07-16T15:55:54Z",
+ "severity": "S3",
"op_sys": "All",
- "id": 1566487,
"keywords": [
"perf:resource-use",
"perf:startup"
],
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2019-07-16T15:55:54Z",
- "last_change_time": "2024-04-03T16:04:02Z",
- "component": "General",
+ "id": 1566487,
+ "summary": "When defaulting to showing about:home on startup, try to delay WebExtension process start-up until after about:home is done loading",
"priority": "P3",
- "summary": "When defaulting to showing about:home on startup, try to delay WebExtension process start-up until after about:home is done loading"
+ "component": "General",
+ "last_change_time": "2024-04-03T16:04:02Z"
},
{
"last_change_time": "2024-09-20T22:54:50Z",
- "component": "Graphics: WebRender",
- "priority": "P3",
"summary": "WebRender performs worse on Binding of Isaac CodePen demo (svg filters/blob)",
- "op_sys": "Unspecified",
+ "priority": "P3",
+ "component": "Graphics: WebRender",
+ "id": 1568027,
"keywords": [
"perf:responsiveness"
],
- "id": 1568027,
- "severity": "S3",
+ "op_sys": "Unspecified",
"status": "NEW",
- "creation_time": "2019-07-22T20:30:43Z"
+ "creation_time": "2019-07-22T20:30:43Z",
+ "severity": "S3"
},
{
- "last_change_time": "2022-10-11T23:08:22Z",
- "priority": "P2",
"summary": "Investigate fast first paints",
+ "priority": "P2",
"component": "Performance",
- "op_sys": "Unspecified",
+ "last_change_time": "2022-10-11T23:08:22Z",
+ "status": "NEW",
+ "creation_time": "2019-07-30T18:44:15Z",
+ "severity": "S3",
"keywords": [
"perf:pageload"
],
"id": 1570090,
- "status": "NEW",
- "creation_time": "2019-07-30T18:44:15Z",
- "severity": "S3"
+ "op_sys": "Unspecified"
},
{
- "creation_time": "2019-08-01T11:28:18Z",
- "status": "NEW",
"severity": "S3",
- "op_sys": "Windows",
+ "status": "NEW",
+ "creation_time": "2019-08-01T11:28:18Z",
"id": 1570616,
"keywords": [
"main-thread-io",
@@ -1595,57 +1580,58 @@
"perf:responsiveness",
"perf:startup"
],
+ "op_sys": "Windows",
+ "component": "Widget: Win32",
"priority": "P3",
"summary": "[meta] Move away from sync CoCreateInstance to RoGetAgileReference or similar (to avoid mainthread IO)",
- "component": "Widget: Win32",
"last_change_time": "2024-04-30T00:02:56Z"
},
{
- "severity": "S3",
+ "priority": "P3",
+ "summary": "gfxFontGroup::FindFontForChar took a lot of time during reflow",
+ "component": "Layout: Text and Fonts",
+ "last_change_time": "2024-04-08T18:30:47Z",
"status": "NEW",
"creation_time": "2019-08-01T19:38:04Z",
+ "severity": "S3",
"op_sys": "Unspecified",
"id": 1570750,
"keywords": [
"perf:pageload"
- ],
- "component": "Layout: Text and Fonts",
- "summary": "gfxFontGroup::FindFontForChar took a lot of time during reflow",
- "priority": "P3",
- "last_change_time": "2024-04-08T18:30:47Z"
+ ]
},
{
+ "last_change_time": "2022-10-11T23:10:26Z",
+ "component": "Performance",
"summary": "68 runs 3x slower than 67 on sample script",
"priority": "P2",
- "component": "Performance",
- "last_change_time": "2022-10-11T23:10:26Z",
- "status": "NEW",
- "creation_time": "2019-08-07T18:46:11Z",
- "severity": "S3",
- "id": 1572180,
"keywords": [
"perf:resource-use"
],
- "op_sys": "Unspecified"
+ "id": 1572180,
+ "op_sys": "Unspecified",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2019-08-07T18:46:11Z"
},
{
- "last_change_time": "2022-03-02T16:34:12Z",
- "component": "Networking",
- "priority": "P5",
- "summary": "Avoid racing 6 connections for sites known to have been HTTP2 in the past",
+ "severity": "N/A",
+ "creation_time": "2019-09-19T18:12:52Z",
+ "status": "NEW",
+ "op_sys": "Unspecified",
"keywords": [
"perf:pageload"
],
"id": 1582525,
- "op_sys": "Unspecified",
- "severity": "N/A",
- "status": "NEW",
- "creation_time": "2019-09-19T18:12:52Z"
+ "component": "Networking",
+ "summary": "Avoid racing 6 connections for sites known to have been HTTP2 in the past",
+ "priority": "P5",
+ "last_change_time": "2022-03-02T16:34:12Z"
},
{
"severity": "S3",
- "creation_time": "2019-09-23T14:36:55Z",
"status": "NEW",
+ "creation_time": "2019-09-23T14:36:55Z",
"op_sys": "Android",
"keywords": [
"perf:pageload",
@@ -1655,201 +1641,197 @@
],
"id": 1583220,
"component": "Performance",
- "summary": "Visual metrics: Fenix is significantly slower than Chrome for the site https://cnn.com",
"priority": "P2",
+ "summary": "Visual metrics: Fenix is significantly slower than Chrome for the site https://cnn.com",
"last_change_time": "2024-04-08T18:37:25Z"
},
{
- "id": 1585327,
+ "last_change_time": "2022-10-11T23:23:49Z",
+ "component": "Performance",
+ "summary": "Add normal-priority event queue delay time to Responsiveness measurements",
+ "priority": "P2",
"keywords": [
"perf:responsiveness"
],
+ "id": 1585327,
"op_sys": "Unspecified",
"severity": "S3",
"creation_time": "2019-10-01T13:25:15Z",
- "status": "NEW",
- "last_change_time": "2022-10-11T23:23:49Z",
- "component": "Performance",
- "summary": "Add normal-priority event queue delay time to Responsiveness measurements",
- "priority": "P2"
+ "status": "NEW"
},
{
- "last_change_time": "2023-08-05T01:41:54Z",
- "summary": "Bookmarks & History: extremely slow back/forward navigation",
- "priority": "P3",
- "component": "Bookmarks & History",
+ "creation_time": "2019-11-19T14:50:13Z",
+ "status": "NEW",
+ "severity": "S3",
"op_sys": "Unspecified",
"keywords": [
"perf:frontend"
],
"id": 1597684,
- "creation_time": "2019-11-19T14:50:13Z",
- "status": "NEW",
- "severity": "S3"
+ "summary": "Bookmarks & History: extremely slow back/forward navigation",
+ "priority": "P3",
+ "component": "Bookmarks & History",
+ "last_change_time": "2023-08-05T01:41:54Z"
},
{
- "component": "JavaScript Engine",
- "summary": "13 seconds of jank when loading https://data.firefox.com/dashboard/hardware",
- "priority": "P3",
- "last_change_time": "2024-09-04T03:21:05Z",
- "severity": "S3",
- "creation_time": "2019-11-21T18:08:03Z",
- "status": "NEW",
"keywords": [
"perf:pageload"
],
"id": 1598384,
- "op_sys": "Unspecified"
+ "op_sys": "Unspecified",
+ "status": "NEW",
+ "creation_time": "2019-11-21T18:08:03Z",
+ "severity": "S3",
+ "last_change_time": "2024-09-04T03:21:05Z",
+ "summary": "13 seconds of jank when loading https://data.firefox.com/dashboard/hardware",
+ "priority": "P3",
+ "component": "JavaScript Engine"
},
{
- "severity": "S3",
- "creation_time": "2019-12-12T21:17:30Z",
- "status": "NEW",
"keywords": [
"perf:pageload",
"reproducible"
],
"id": 1603578,
"op_sys": "Unspecified",
+ "severity": "S3",
+ "creation_time": "2019-12-12T21:17:30Z",
+ "status": "NEW",
+ "last_change_time": "2024-10-14T08:20:50Z",
"component": "DOM: Navigation",
"summary": "Implement caching of retired web-isolated processes for reuse in the same domain in Fission",
- "priority": "P3",
- "last_change_time": "2024-10-14T08:20:50Z"
+ "priority": "P3"
},
{
+ "severity": "S3",
"creation_time": "2020-01-15T15:49:54Z",
"status": "NEW",
- "severity": "S3",
- "op_sys": "Unspecified",
"keywords": [
"perf:responsiveness"
],
"id": 1609444,
+ "op_sys": "Unspecified",
+ "component": "Audio/Video: GMP",
"summary": "GMP thread can write to disk (to clear storage or remove plugins) at xpcom-shutdown-threads time",
"priority": "P3",
- "component": "Audio/Video: GMP",
"last_change_time": "2022-10-11T23:50:49Z"
},
{
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2020-01-16T14:10:52Z",
- "id": 1609682,
+ "last_change_time": "2024-05-02T17:15:10Z",
+ "summary": "preload required content and parent process scripts at startup of GeckoView",
+ "priority": "P3",
+ "component": "General",
"keywords": [
"perf:pageload"
],
+ "id": 1609682,
"op_sys": "All",
- "component": "General",
- "priority": "P3",
- "summary": "preload required content and parent process scripts at startup of GeckoView",
- "last_change_time": "2024-05-02T17:15:10Z"
+ "creation_time": "2020-01-16T14:10:52Z",
+ "status": "NEW",
+ "severity": "S3"
},
{
+ "last_change_time": "2024-06-28T12:13:45Z",
+ "component": "Performance",
+ "summary": "[fission-power] Synchronize periodic background tasks (such as expiration tracker ticks) across content processes",
+ "priority": "P2",
+ "op_sys": "All",
"id": 1613760,
"keywords": [
"perf:resource-use"
],
- "op_sys": "All",
- "status": "NEW",
- "creation_time": "2020-02-06T20:58:06Z",
"severity": "S3",
- "last_change_time": "2024-06-28T12:13:45Z",
- "priority": "P2",
- "summary": "[fission-power] Synchronize periodic background tasks (such as expiration tracker ticks) across content processes",
- "component": "Performance"
+ "status": "NEW",
+ "creation_time": "2020-02-06T20:58:06Z"
},
{
- "last_change_time": "2024-04-08T18:38:02Z",
- "component": "Performance",
- "priority": "P2",
- "summary": "Apple Newsroom page takes a long time to load (30 seconds)",
+ "id": 1613824,
"keywords": [
"perf:pageload"
],
- "id": 1613824,
"op_sys": "Android",
"severity": "S3",
"status": "NEW",
- "creation_time": "2020-02-07T04:18:58Z"
+ "creation_time": "2020-02-07T04:18:58Z",
+ "last_change_time": "2024-04-08T18:38:02Z",
+ "component": "Performance",
+ "summary": "Apple Newsroom page takes a long time to load (30 seconds)",
+ "priority": "P2"
},
{
- "op_sys": "All",
- "id": 1614096,
+ "component": "General",
+ "priority": "--",
+ "summary": "[meta] Move all devtools UI out of the parent process into a privileged content process",
+ "last_change_time": "2024-09-02T15:26:30Z",
+ "severity": "S3",
+ "creation_time": "2020-02-08T01:20:13Z",
+ "status": "NEW",
"keywords": [
"meta",
"perf:responsiveness",
"sec-want"
],
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2020-02-08T01:20:13Z",
- "last_change_time": "2024-09-02T15:26:30Z",
- "component": "General",
- "priority": "--",
- "summary": "[meta] Move all devtools UI out of the parent process into a privileged content process"
+ "id": 1614096,
+ "op_sys": "All"
},
{
- "component": "Performance",
- "summary": "https://www.fido.ca/ Pages load on mobile is several seconds slower than chrome",
- "priority": "P2",
- "last_change_time": "2024-04-08T18:38:17Z",
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2020-02-10T18:50:35Z",
"op_sys": "Android",
+ "id": 1614425,
"keywords": [
"perf:pageload"
],
- "id": 1614425
- },
- {
- "creation_time": "2020-02-26T10:02:21Z",
"status": "NEW",
+ "creation_time": "2020-02-10T18:50:35Z",
+ "severity": "S3",
+ "last_change_time": "2024-04-08T18:38:17Z",
+ "summary": "https://www.fido.ca/ Pages load on mobile is several seconds slower than chrome",
+ "priority": "P2",
+ "component": "Performance"
+ },
+ {
+ "priority": "--",
+ "summary": "Very slow session restore (profile included)",
+ "component": "General",
+ "last_change_time": "2022-10-12T00:00:07Z",
+ "status": "NEW",
+ "creation_time": "2020-02-26T10:02:21Z",
"severity": "S3",
"op_sys": "Linux",
+ "id": 1618129,
"keywords": [
"perf:frontend",
"perf:startup"
- ],
- "id": 1618129,
- "priority": "--",
- "summary": "Very slow session restore (profile included)",
- "component": "General",
- "last_change_time": "2022-10-12T00:00:07Z"
+ ]
},
{
- "id": 1618391,
+ "component": "JavaScript Engine",
+ "summary": "Avoid parsing and compiling self-hosted code during startup (takes 90ms on Android Moto G5)",
+ "priority": "P2",
+ "last_change_time": "2024-04-08T18:26:05Z",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2020-02-26T23:53:36Z",
+ "op_sys": "Android",
"keywords": [
"perf:responsiveness"
],
- "op_sys": "Android",
- "status": "NEW",
- "creation_time": "2020-02-26T23:53:36Z",
- "severity": "S3",
- "last_change_time": "2024-04-08T18:26:05Z",
- "summary": "Avoid parsing and compiling self-hosted code during startup (takes 90ms on Android Moto G5)",
- "priority": "P2",
- "component": "JavaScript Engine"
+ "id": 1618391
},
{
+ "last_change_time": "2023-04-03T17:43:21Z",
+ "component": "Performance",
"priority": "--",
"summary": "Slow performance when scrolling Firefox subreddit top posts of the week",
- "component": "Performance",
- "last_change_time": "2023-04-03T17:43:21Z",
- "status": "NEW",
- "creation_time": "2020-03-16T05:56:39Z",
- "severity": "--",
"op_sys": "Windows 10",
"id": 1622721,
"keywords": [
"perf:responsiveness"
- ]
+ ],
+ "severity": "--",
+ "status": "NEW",
+ "creation_time": "2020-03-16T05:56:39Z"
},
{
- "last_change_time": "2024-09-17T05:44:07Z",
- "priority": "P3",
- "summary": "[meta] Script cache information from the content process is never written to disk in GeckoView (10-20ms startup penalty for uncached script loading)",
- "component": "General",
"op_sys": "Android",
"keywords": [
"meta",
@@ -1858,13 +1840,13 @@
"id": 1623518,
"status": "NEW",
"creation_time": "2020-03-18T23:56:47Z",
- "severity": "S3"
+ "severity": "S3",
+ "last_change_time": "2024-09-17T05:44:07Z",
+ "summary": "[meta] Script cache information from the content process is never written to disk in GeckoView (10-20ms startup penalty for uncached script loading)",
+ "priority": "P3",
+ "component": "General"
},
{
- "last_change_time": "2022-10-12T00:05:51Z",
- "priority": "P3",
- "summary": "gfxDWriteFontEntry::IsCJKFont() causes main thread I/O to times.ttf while reflowing the hidden window during startup",
- "component": "Graphics",
"op_sys": "Unspecified",
"id": 1625320,
"keywords": [
@@ -1872,23 +1854,27 @@
"perf",
"perf:startup"
],
+ "severity": "S3",
"status": "NEW",
"creation_time": "2020-03-26T22:16:00Z",
- "severity": "S3"
+ "last_change_time": "2022-10-12T00:05:51Z",
+ "component": "Graphics",
+ "priority": "P3",
+ "summary": "gfxDWriteFontEntry::IsCJKFont() causes main thread I/O to times.ttf while reflowing the hidden window during startup"
},
{
- "last_change_time": "2022-04-07T16:16:58Z",
- "component": "Performance",
- "summary": "Ghost-Windows from reddit",
- "priority": "P2",
+ "severity": "--",
+ "status": "NEW",
+ "creation_time": "2020-03-31T00:27:33Z",
"id": 1626132,
"keywords": [
"perf:responsiveness"
],
"op_sys": "Unspecified",
- "severity": "--",
- "creation_time": "2020-03-31T00:27:33Z",
- "status": "NEW"
+ "component": "Performance",
+ "priority": "P2",
+ "summary": "Ghost-Windows from reddit",
+ "last_change_time": "2022-04-07T16:16:58Z"
},
{
"id": 1626816,
@@ -1896,8 +1882,8 @@
"perf:responsiveness"
],
"op_sys": "All",
- "creation_time": "2020-04-02T00:26:08Z",
"status": "NEW",
+ "creation_time": "2020-04-02T00:26:08Z",
"severity": "S3",
"last_change_time": "2024-09-17T05:47:16Z",
"summary": "WebRender program cache / shader initialization blocks the main thread via the sync IPC message PWebRenderBridge::EnsureConnected (25ms-40ms startup penalty)",
@@ -1905,203 +1891,203 @@
"component": "Graphics: WebRender"
},
{
- "op_sys": "Unspecified",
- "id": 1630939,
+ "status": "NEW",
+ "creation_time": "2020-04-17T12:24:08Z",
+ "severity": "S3",
"keywords": [
"perf:startup"
],
- "creation_time": "2020-04-17T12:24:08Z",
- "status": "NEW",
- "severity": "S3",
- "last_change_time": "2022-04-01T11:20:52Z",
+ "id": 1630939,
+ "op_sys": "Unspecified",
"priority": "P3",
"summary": "URLDecorationAnnotationsService started very early during startup (profile-after-change)",
- "component": "Privacy: Anti-Tracking"
+ "component": "Privacy: Anti-Tracking",
+ "last_change_time": "2022-04-01T11:20:52Z"
},
{
"op_sys": "Unspecified",
- "id": 1630949,
"keywords": [
"perf:startup"
],
+ "id": 1630949,
+ "severity": "S3",
"status": "NEW",
"creation_time": "2020-04-17T13:05:55Z",
- "severity": "S3",
"last_change_time": "2022-03-28T19:20:38Z",
+ "component": "Privacy: Anti-Tracking",
"summary": "UrlClassifierSkipListService started during startup for uninteresting http requests",
- "priority": "P3",
- "component": "Privacy: Anti-Tracking"
+ "priority": "P3"
},
{
- "op_sys": "Unspecified",
+ "last_change_time": "2022-03-08T18:34:18Z",
+ "component": "New Tab Page",
+ "summary": "webRequest overhead for data: urls from about:newtab",
+ "priority": "P3",
+ "id": 1630999,
"keywords": [
"perf:frontend",
"perf:startup"
],
- "id": 1630999,
+ "op_sys": "Unspecified",
"severity": "S4",
- "status": "NEW",
"creation_time": "2020-04-17T15:40:19Z",
- "last_change_time": "2022-03-08T18:34:18Z",
- "component": "New Tab Page",
- "priority": "P3",
- "summary": "webRequest overhead for data: urls from about:newtab"
+ "status": "NEW"
},
{
- "severity": "--",
+ "priority": "P3",
+ "summary": "Investigate merging small files loaded during startup into one file",
+ "component": "General",
+ "last_change_time": "2022-03-09T16:28:55Z",
"creation_time": "2020-04-21T20:25:52Z",
"status": "NEW",
+ "severity": "--",
+ "op_sys": "Unspecified",
"keywords": [
"perf:startup"
],
- "id": 1631927,
- "op_sys": "Unspecified",
- "component": "General",
- "summary": "Investigate merging small files loaded during startup into one file",
- "priority": "P3",
- "last_change_time": "2022-03-09T16:28:55Z"
+ "id": 1631927
},
{
- "priority": "P3",
- "summary": "Audit BrowserGlue.dispose for things that can likely be skipped at shutdown",
"component": "General",
+ "summary": "Audit BrowserGlue.dispose for things that can likely be skipped at shutdown",
+ "priority": "P3",
"last_change_time": "2022-04-09T13:12:12Z",
+ "severity": "--",
"creation_time": "2020-04-27T20:49:57Z",
"status": "NEW",
- "severity": "--",
- "id": 1633566,
"keywords": [
"perf",
"perf:responsiveness"
],
+ "id": 1633566,
"op_sys": "All"
},
{
- "component": "Application Update",
- "summary": "600ms CreateFile on update.test on reference hardware during startup",
- "priority": "P3",
- "last_change_time": "2022-03-28T19:21:24Z",
- "severity": "--",
- "status": "NEW",
- "creation_time": "2020-04-28T22:29:02Z",
"op_sys": "Unspecified",
"id": 1633921,
"keywords": [
"perf:startup"
- ]
+ ],
+ "creation_time": "2020-04-28T22:29:02Z",
+ "status": "NEW",
+ "severity": "--",
+ "last_change_time": "2022-03-28T19:21:24Z",
+ "priority": "P3",
+ "summary": "600ms CreateFile on update.test on reference hardware during startup",
+ "component": "Application Update"
},
{
"last_change_time": "2022-03-09T16:30:24Z",
"priority": "--",
"summary": "Defer xulstore persistence until after startup",
"component": "Startup and Profile System",
- "op_sys": "Unspecified",
+ "id": 1633930,
"keywords": [
"perf:startup"
],
- "id": 1633930,
- "creation_time": "2020-04-28T23:08:28Z",
+ "op_sys": "Unspecified",
"status": "NEW",
+ "creation_time": "2020-04-28T23:08:28Z",
"severity": "--"
},
{
- "creation_time": "2020-05-11T16:12:58Z",
- "status": "NEW",
- "severity": "--",
"keywords": [
"perf:startup"
],
"id": 1636996,
"op_sys": "Unspecified",
- "summary": "Defer UntrustedModuleProcessor work until later in startup",
+ "creation_time": "2020-05-11T16:12:58Z",
+ "status": "NEW",
+ "severity": "--",
+ "last_change_time": "2022-03-28T19:21:51Z",
"priority": "--",
- "component": "Startup and Profile System",
- "last_change_time": "2022-03-28T19:21:51Z"
+ "summary": "Defer UntrustedModuleProcessor work until later in startup",
+ "component": "Startup and Profile System"
},
{
- "severity": "S3",
- "creation_time": "2020-05-14T20:22:45Z",
- "status": "NEW",
- "id": 1638119,
+ "op_sys": "Unspecified",
"keywords": [
"perf:resource-use"
],
- "op_sys": "Unspecified",
- "component": "DOM: Navigation",
- "summary": "Allow extension processes to be preallocated",
+ "id": 1638119,
+ "status": "NEW",
+ "creation_time": "2020-05-14T20:22:45Z",
+ "severity": "S3",
+ "last_change_time": "2023-11-25T23:47:11Z",
"priority": "P3",
- "last_change_time": "2023-11-25T23:47:11Z"
+ "summary": "Allow extension processes to be preallocated",
+ "component": "DOM: Navigation"
},
{
- "last_change_time": "2022-03-09T16:31:09Z",
- "component": "Telemetry",
- "priority": "P3",
- "summary": "Defer mozilla::intl::GetSystemLocales() until later in startup",
"keywords": [
"perf:startup"
],
"id": 1638421,
"op_sys": "Unspecified",
- "severity": "N/A",
+ "status": "NEW",
"creation_time": "2020-05-15T18:19:13Z",
- "status": "NEW"
+ "severity": "N/A",
+ "last_change_time": "2022-03-09T16:31:09Z",
+ "priority": "P3",
+ "summary": "Defer mozilla::intl::GetSystemLocales() until later in startup",
+ "component": "Telemetry"
},
{
+ "last_change_time": "2023-03-09T04:40:02Z",
+ "component": "Networking",
"summary": "Firefox takes 50% more time than Microsoft Edge to display first paint of comments in reddit posts",
"priority": "P3",
- "component": "Networking",
- "last_change_time": "2023-03-09T04:40:02Z",
- "creation_time": "2020-05-28T21:05:25Z",
- "status": "NEW",
- "severity": "S3",
"op_sys": "Unspecified",
"id": 1641696,
"keywords": [
"perf:pageload"
- ]
+ ],
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2020-05-28T21:05:25Z"
},
{
+ "component": "Graphics",
+ "priority": "--",
+ "summary": "Stop painting when the window is occluded on Windows",
+ "last_change_time": "2024-07-23T03:28:07Z",
+ "severity": "N/A",
"status": "NEW",
"creation_time": "2020-06-10T13:56:24Z",
- "severity": "N/A",
- "id": 1644740,
+ "op_sys": "Unspecified",
"keywords": [
"perf:resource-use",
"top50"
],
- "op_sys": "Unspecified",
- "summary": "Stop painting when the window is occluded on Windows",
- "priority": "--",
- "component": "Graphics",
- "last_change_time": "2024-07-23T03:28:07Z"
+ "id": 1644740
},
{
+ "creation_time": "2020-06-17T17:48:18Z",
+ "status": "NEW",
+ "severity": "S3",
+ "op_sys": "Windows",
"keywords": [
"perf:responsiveness"
],
"id": 1646449,
- "op_sys": "Windows",
- "severity": "S3",
- "creation_time": "2020-06-17T17:48:18Z",
- "status": "NEW",
- "last_change_time": "2024-04-02T16:14:40Z",
- "component": "Performance",
"summary": "Background tabs stuck loading while CPU is under heavy load",
- "priority": "P2"
+ "priority": "P2",
+ "component": "Performance",
+ "last_change_time": "2024-04-02T16:14:40Z"
},
{
+ "last_change_time": "2023-01-27T13:44:47Z",
"priority": "P2",
"summary": "High CPU use on Techradar",
"component": "Performance",
- "last_change_time": "2023-01-27T13:44:47Z",
- "creation_time": "2020-07-01T21:38:46Z",
- "status": "NEW",
- "severity": "--",
"keywords": [
"perf:responsiveness"
],
"id": 1649890,
- "op_sys": "Unspecified"
+ "op_sys": "Unspecified",
+ "creation_time": "2020-07-01T21:38:46Z",
+ "status": "NEW",
+ "severity": "--"
},
{
"op_sys": "Unspecified",
@@ -2120,20 +2106,24 @@
"priority": "--"
},
{
+ "summary": "Firefox takes 50% more time than Chrome to load/reload pages on Boardgamegeek",
+ "priority": "P2",
+ "component": "Performance",
+ "last_change_time": "2024-04-08T18:39:31Z",
"status": "NEW",
"creation_time": "2020-07-06T04:12:46Z",
"severity": "--",
- "id": 1650708,
"keywords": [
"perf:pageload"
],
- "op_sys": "Unspecified",
- "priority": "P2",
- "summary": "Firefox takes 50% more time than Chrome to load/reload pages on Boardgamegeek",
- "component": "Performance",
- "last_change_time": "2024-04-08T18:39:31Z"
+ "id": 1650708,
+ "op_sys": "Unspecified"
},
{
+ "component": "General",
+ "priority": "P3",
+ "summary": "Evaluate what things should move out of _scheduleArbitrarilyLateIdleTasks()",
+ "last_change_time": "2022-03-28T19:22:23Z",
"severity": "N/A",
"status": "NEW",
"creation_time": "2020-07-07T18:32:36Z",
@@ -2142,106 +2132,98 @@
"perf:frontend",
"perf:startup"
],
- "id": 1651161,
- "component": "General",
- "priority": "P3",
- "summary": "Evaluate what things should move out of _scheduleArbitrarilyLateIdleTasks()",
- "last_change_time": "2022-03-28T19:22:23Z"
+ "id": 1651161
},
{
- "last_change_time": "2024-11-19T15:27:45Z",
- "priority": "P3",
- "summary": "Performance issue on voice.google.com - Site can hang from seconds to minutes",
"component": "JavaScript: GC",
- "id": 1653088,
+ "summary": "Performance issue on voice.google.com - Site can hang from seconds to minutes",
+ "priority": "P3",
+ "last_change_time": "2024-11-19T15:27:45Z",
+ "severity": "S4",
+ "creation_time": "2020-07-15T20:19:35Z",
+ "status": "NEW",
+ "op_sys": "Unspecified",
"keywords": [
"perf:responsiveness"
],
- "op_sys": "Unspecified",
- "creation_time": "2020-07-15T20:19:35Z",
- "status": "NEW",
- "severity": "S4"
+ "id": 1653088
},
{
- "priority": "P2",
- "summary": "WebGL aquarium sample runs at 30 FPS on Google Pixel 2, 60 FPS on WebView/Chromium",
- "component": "Graphics: CanvasWebGL",
- "last_change_time": "2022-03-02T16:39:35Z",
+ "severity": "S3",
"creation_time": "2020-07-18T16:39:27Z",
"status": "NEW",
- "severity": "S3",
+ "id": 1653777,
"keywords": [
"perf:responsiveness"
],
- "id": 1653777,
- "op_sys": "All"
+ "op_sys": "All",
+ "component": "Graphics: CanvasWebGL",
+ "priority": "P2",
+ "summary": "WebGL aquarium sample runs at 30 FPS on Google Pixel 2, 60 FPS on WebView/Chromium",
+ "last_change_time": "2022-03-02T16:39:35Z"
},
{
- "last_change_time": "2023-10-09T12:20:20Z",
- "component": "Debugger",
- "priority": "P3",
"summary": "Firefox freezes and becomes unusable on react/typescript/eval-source-map project",
+ "priority": "P3",
+ "component": "Debugger",
+ "last_change_time": "2023-10-09T12:20:20Z",
+ "status": "NEW",
+ "creation_time": "2020-07-18T17:04:31Z",
+ "severity": "S3",
"keywords": [
"leave-open",
"perf:responsiveness"
],
"id": 1653779,
- "op_sys": "Unspecified",
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2020-07-18T17:04:31Z"
+ "op_sys": "Unspecified"
},
{
+ "summary": "Slow loading of Medium article on Moto G (XT1031)",
+ "priority": "P3",
+ "component": "Performance",
+ "last_change_time": "2024-04-08T18:39:46Z",
+ "creation_time": "2020-07-30T22:41:20Z",
+ "status": "NEW",
+ "severity": "S3",
"op_sys": "Android",
- "id": 1656386,
"keywords": [
"perf:pageload"
],
- "severity": "S3",
- "creation_time": "2020-07-30T22:41:20Z",
- "status": "NEW",
- "last_change_time": "2024-04-08T18:39:46Z",
- "component": "Performance",
- "summary": "Slow loading of Medium article on Moto G (XT1031)",
- "priority": "P3"
+ "id": 1656386
},
{
- "severity": "S3",
- "creation_time": "2020-08-01T19:42:35Z",
+ "summary": "some games at gamee.com stutter a lot on firefox while it's smooth on chrome",
+ "priority": "P3",
+ "component": "Graphics: Canvas2D",
+ "last_change_time": "2022-03-02T16:39:47Z",
"status": "NEW",
- "op_sys": "Unspecified",
+ "creation_time": "2020-08-01T19:42:35Z",
+ "severity": "S3",
"id": 1656709,
"keywords": [
"perf:responsiveness"
],
- "component": "Graphics: Canvas2D",
- "priority": "P3",
- "summary": "some games at gamee.com stutter a lot on firefox while it's smooth on chrome",
- "last_change_time": "2022-03-02T16:39:47Z"
+ "op_sys": "Unspecified"
},
{
- "last_change_time": "2024-07-22T13:08:08Z",
- "component": "Graphics",
"summary": "Janking/stuttering while scrolling on imgur (Celeron N4000) (Geminilake)",
"priority": "P3",
+ "component": "Graphics",
+ "last_change_time": "2024-07-22T13:08:08Z",
+ "creation_time": "2020-08-04T18:08:02Z",
+ "status": "NEW",
+ "severity": "S3",
+ "op_sys": "Unspecified",
"id": 1657183,
"keywords": [
"perf:responsiveness"
- ],
- "op_sys": "Unspecified",
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2020-08-04T18:08:02Z"
+ ]
},
{
- "summary": "Very long reflows on Wikipedia Barack Obama page",
+ "last_change_time": "2023-08-14T15:04:45Z",
"priority": "--",
+ "summary": "Very long reflows on Wikipedia Barack Obama page",
"component": "Layout: Columns",
- "last_change_time": "2023-08-14T15:04:45Z",
- "status": "NEW",
- "creation_time": "2020-08-14T18:12:37Z",
- "severity": "S3",
- "id": 1659166,
"keywords": [
"perf:pageload",
"regression",
@@ -2249,137 +2231,141 @@
"reproducible",
"top50"
],
- "op_sys": "Unspecified"
+ "id": 1659166,
+ "op_sys": "Unspecified",
+ "creation_time": "2020-08-14T18:12:37Z",
+ "status": "NEW",
+ "severity": "S3"
},
{
- "priority": "P2",
- "summary": "Heavy janking while doing page up/down on while loading a few tabs in the background",
- "component": "Performance",
- "last_change_time": "2022-04-07T16:20:18Z",
"creation_time": "2020-08-16T19:42:09Z",
"status": "NEW",
"severity": "--",
+ "op_sys": "Unspecified",
+ "id": 1659359,
"keywords": [
"perf:responsiveness"
],
- "id": 1659359,
- "op_sys": "Unspecified"
+ "priority": "P2",
+ "summary": "Heavy janking while doing page up/down on while loading a few tabs in the background",
+ "component": "Performance",
+ "last_change_time": "2022-04-07T16:20:18Z"
},
{
- "last_change_time": "2022-04-07T16:20:29Z",
- "component": "Performance",
- "priority": "P2",
- "summary": "LinkedIn - high resource use (aka fans go crazy) on MacOS",
+ "severity": "--",
+ "creation_time": "2020-08-24T17:30:02Z",
+ "status": "NEW",
"keywords": [
"perf:responsiveness"
],
"id": 1660838,
"op_sys": "macOS",
- "severity": "--",
- "creation_time": "2020-08-24T17:30:02Z",
- "status": "NEW"
+ "component": "Performance",
+ "priority": "P2",
+ "summary": "LinkedIn - high resource use (aka fans go crazy) on MacOS",
+ "last_change_time": "2022-04-07T16:20:29Z"
},
{
- "last_change_time": "2022-03-02T16:40:07Z",
+ "component": "Graphics",
"summary": "browser and content hangs when zooming map at https://mrosd.maps.arcgis.com/apps/webappviewer/index.html",
"priority": "--",
- "component": "Graphics",
+ "last_change_time": "2022-03-02T16:40:07Z",
+ "severity": "S3",
+ "creation_time": "2020-08-25T17:52:00Z",
+ "status": "NEW",
"id": 1661090,
"keywords": [
"perf:responsiveness"
],
- "op_sys": "Windows 10",
- "status": "NEW",
- "creation_time": "2020-08-25T17:52:00Z",
- "severity": "S3"
+ "op_sys": "Windows 10"
},
{
- "id": 1663768,
+ "last_change_time": "2024-04-08T18:41:06Z",
+ "summary": "9to5google article takes 2x as much time to load as Chrome",
+ "priority": "P3",
+ "component": "Performance",
"keywords": [
"perf:pageload",
"reproducible"
],
+ "id": 1663768,
"op_sys": "Unspecified",
- "severity": "S3",
- "creation_time": "2020-09-08T20:28:35Z",
"status": "NEW",
- "last_change_time": "2024-04-08T18:41:06Z",
- "component": "Performance",
- "priority": "P3",
- "summary": "9to5google article takes 2x as much time to load as Chrome"
+ "creation_time": "2020-09-08T20:28:35Z",
+ "severity": "S3"
},
{
- "component": "Networking: DNS",
- "priority": "P1",
- "summary": "Extremely long DNS resolution times with Fenix, no fallback resolver",
- "last_change_time": "2024-10-15T19:41:31Z",
- "severity": "S3",
"creation_time": "2020-09-11T15:02:39Z",
"status": "NEW",
+ "severity": "S3",
+ "op_sys": "Android",
"id": 1664492,
"keywords": [
"perf:pageload",
"perf:responsiveness"
],
- "op_sys": "Android"
+ "summary": "Extremely long DNS resolution times with Fenix, no fallback resolver",
+ "priority": "P1",
+ "component": "Networking: DNS",
+ "last_change_time": "2024-10-15T19:41:31Z"
},
{
- "last_change_time": "2024-04-08T18:09:43Z",
- "summary": "Fenix loads apple.com 2 seconds slower than Chrome",
- "priority": "P2",
- "component": "General",
+ "creation_time": "2020-09-24T22:23:03Z",
+ "status": "NEW",
+ "severity": "S3",
"op_sys": "Unspecified",
"keywords": [
"perf:pageload",
"reproducible"
],
"id": 1667246,
- "creation_time": "2020-09-24T22:23:03Z",
- "status": "NEW",
- "severity": "S3"
+ "summary": "Fenix loads apple.com 2 seconds slower than Chrome",
+ "priority": "P2",
+ "component": "General",
+ "last_change_time": "2024-04-08T18:09:43Z"
},
{
- "last_change_time": "2023-11-25T00:24:02Z",
- "summary": "Add Telemetry to measure how long JumpLists block the main thread in the wild",
- "priority": "P3",
- "component": "Widget: Win32",
"op_sys": "Unspecified",
"id": 1667807,
"keywords": [
"perf:responsiveness"
],
+ "severity": "S3",
"status": "NEW",
"creation_time": "2020-09-28T15:36:45Z",
- "severity": "S3"
+ "last_change_time": "2023-11-25T00:24:02Z",
+ "component": "Widget: Win32",
+ "priority": "P3",
+ "summary": "Add Telemetry to measure how long JumpLists block the main thread in the wild"
},
{
- "last_change_time": "2024-07-17T17:29:49Z",
- "summary": "Google Meet high energy impact on macOS 10.15.7",
- "priority": "P5",
- "component": "Performance",
+ "creation_time": "2020-10-09T09:09:08Z",
+ "status": "NEW",
+ "severity": "S4",
"op_sys": "Unspecified",
"keywords": [
"perf:resource-use",
"top50"
],
"id": 1670193,
- "creation_time": "2020-10-09T09:09:08Z",
- "status": "NEW",
- "severity": "S4"
+ "priority": "P5",
+ "summary": "Google Meet high energy impact on macOS 10.15.7",
+ "component": "Performance",
+ "last_change_time": "2024-07-17T17:29:49Z"
},
{
"last_change_time": "2022-10-25T15:51:21Z",
"component": "Graphics",
"summary": "Not responding notification from Firefox (in titlebar) when switching to a background window",
"priority": "P3",
- "op_sys": "Windows 10",
"keywords": [
"perf:responsiveness"
],
"id": 1671859,
+ "op_sys": "Windows 10",
"severity": "S3",
- "creation_time": "2020-10-19T01:37:21Z",
- "status": "NEW"
+ "status": "NEW",
+ "creation_time": "2020-10-19T01:37:21Z"
},
{
"keywords": [
@@ -2388,18 +2374,18 @@
],
"id": 1675628,
"op_sys": "Unspecified",
- "status": "NEW",
"creation_time": "2020-11-05T22:19:58Z",
+ "status": "NEW",
"severity": "--",
"last_change_time": "2022-04-07T17:23:31Z",
- "priority": "P2",
"summary": "Checkerboarding on scrolling wired.com article",
+ "priority": "P2",
"component": "Performance"
},
{
"component": "Widget: Cocoa",
- "summary": "nsCocoaWindow::GetWorkspaceID() hangs in SLSCopySpacesForWindows from SkyLight",
"priority": "P3",
+ "summary": "nsCocoaWindow::GetWorkspaceID() hangs in SLSCopySpacesForWindows from SkyLight",
"last_change_time": "2024-02-26T17:47:05Z",
"severity": "S3",
"creation_time": "2020-11-06T10:14:06Z",
@@ -2412,94 +2398,98 @@
"id": 1675724
},
{
+ "last_change_time": "2022-08-01T12:48:55Z",
"component": "PDF Viewer",
- "priority": "--",
"summary": "PDF.js in Firefox slower than Chrome to load first page of large presentation",
- "last_change_time": "2022-08-01T12:48:55Z",
- "severity": "S3",
- "creation_time": "2020-11-17T16:47:34Z",
- "status": "NEW",
+ "priority": "--",
"id": 1677784,
"keywords": [],
- "op_sys": "Unspecified"
+ "op_sys": "Unspecified",
+ "severity": "S3",
+ "creation_time": "2020-11-17T16:47:34Z",
+ "status": "NEW"
},
{
+ "last_change_time": "2022-12-01T06:14:05Z",
"component": "SVG",
"priority": "P2",
"summary": "Very unresponsive content process, with a page using SMIL animations in the background",
- "last_change_time": "2022-12-01T06:14:05Z",
- "severity": "S3",
- "creation_time": "2020-11-20T20:22:56Z",
- "status": "NEW",
"op_sys": "Unspecified",
+ "id": 1678715,
"keywords": [
"perf",
"perf:responsiveness"
],
- "id": 1678715
+ "severity": "S3",
+ "creation_time": "2020-11-20T20:22:56Z",
+ "status": "NEW"
},
{
- "summary": "[meta] High CPU load (40% - 100%) caused by the top extensions loading animation on https://code.visualstudio.com/docs/",
- "priority": "P3",
- "component": "Graphics: WebRender",
- "last_change_time": "2024-04-03T02:12:34Z",
- "creation_time": "2020-12-18T11:42:24Z",
- "status": "NEW",
- "severity": "S3",
- "op_sys": "All",
"id": 1683300,
"keywords": [
"meta",
"perf",
"perf:resource-use",
"power"
- ]
+ ],
+ "op_sys": "All",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2020-12-18T11:42:24Z",
+ "last_change_time": "2024-04-03T02:12:34Z",
+ "component": "Graphics: WebRender",
+ "summary": "[meta] High CPU load (40% - 100%) caused by the top extensions loading animation on https://code.visualstudio.com/docs/",
+ "priority": "P3"
},
{
- "summary": "The print preview takes minutes to display for pages that contain images that failed to load",
- "priority": "--",
- "component": "Print Preview",
- "last_change_time": "2024-04-04T23:59:39Z",
- "creation_time": "2021-01-15T16:46:01Z",
- "status": "NEW",
- "severity": "S3",
"op_sys": "Unspecified",
"id": 1686983,
"keywords": [
"perf",
"perf:pageload",
"reproducible"
- ]
+ ],
+ "status": "NEW",
+ "creation_time": "2021-01-15T16:46:01Z",
+ "severity": "S3",
+ "last_change_time": "2024-04-04T23:59:39Z",
+ "summary": "The print preview takes minutes to display for pages that contain images that failed to load",
+ "priority": "--",
+ "component": "Print Preview"
},
{
- "severity": "S3",
- "creation_time": "2021-01-22T03:51:18Z",
+ "priority": "P3",
+ "summary": "Slow appearance of article text when scrolling medium.com",
+ "component": "Performance",
+ "last_change_time": "2022-08-31T12:03:46Z",
"status": "NEW",
+ "creation_time": "2021-01-22T03:51:18Z",
+ "severity": "S3",
+ "op_sys": "Unspecified",
"id": 1688140,
"keywords": [
"nightly-community"
- ],
- "op_sys": "Unspecified",
- "component": "Performance",
- "priority": "P3",
- "summary": "Slow appearance of article text when scrolling medium.com",
- "last_change_time": "2022-08-31T12:03:46Z"
+ ]
},
{
+ "severity": "N/A",
+ "creation_time": "2021-01-26T18:47:04Z",
+ "status": "NEW",
"op_sys": "All",
"keywords": [
"perf:responsiveness"
],
"id": 1688943,
- "creation_time": "2021-01-26T18:47:04Z",
- "status": "NEW",
- "severity": "N/A",
- "last_change_time": "2023-07-18T19:25:38Z",
- "summary": "Consider converting timestamps in PerformanceResourceTiming and PerformanceNavigationTiming on creation",
+ "component": "Performance",
"priority": "P3",
- "component": "Performance"
+ "summary": "Consider converting timestamps in PerformanceResourceTiming and PerformanceNavigationTiming on creation",
+ "last_change_time": "2023-07-18T19:25:38Z"
},
{
+ "last_change_time": "2023-05-30T12:52:23Z",
+ "component": "Layout: Text and Fonts",
+ "priority": "--",
+ "summary": "Lazy font loading can still hang the main thread on Windows",
"op_sys": "Windows",
"id": 1688951,
"keywords": [
@@ -2507,235 +2497,223 @@
],
"severity": "S3",
"status": "NEW",
- "creation_time": "2021-01-26T19:14:50Z",
- "last_change_time": "2023-05-30T12:52:23Z",
- "component": "Layout: Text and Fonts",
- "priority": "--",
- "summary": "Lazy font loading can still hang the main thread on Windows"
+ "creation_time": "2021-01-26T19:14:50Z"
},
{
- "creation_time": "2021-01-26T19:43:22Z",
- "status": "NEW",
- "severity": "S3",
+ "priority": "--",
+ "summary": "WebRender initialization can block the main thread for an appreciable amount of time",
+ "component": "Graphics: WebRender",
+ "last_change_time": "2024-09-17T05:47:08Z",
+ "status": "NEW",
+ "creation_time": "2021-01-26T19:43:22Z",
+ "severity": "S3",
+ "op_sys": "All",
"keywords": [
"perf:startup"
],
- "id": 1688963,
- "op_sys": "All",
- "summary": "WebRender initialization can block the main thread for an appreciable amount of time",
- "priority": "--",
- "component": "Graphics: WebRender",
- "last_change_time": "2024-09-17T05:47:08Z"
+ "id": 1688963
},
{
+ "priority": "--",
+ "summary": "Low FPS Scrolling on Touchpad (Windows 4k)",
+ "component": "Graphics: WebRender",
+ "last_change_time": "2022-10-10T12:28:24Z",
"creation_time": "2021-01-27T23:52:47Z",
"status": "NEW",
"severity": "S3",
+ "id": 1689225,
"keywords": [
"perf",
"perf:responsiveness"
],
- "id": 1689225,
- "op_sys": "Unspecified",
- "summary": "Low FPS Scrolling on Touchpad (Windows 4k)",
- "priority": "--",
- "component": "Graphics: WebRender",
- "last_change_time": "2022-10-10T12:28:24Z"
+ "op_sys": "Unspecified"
},
{
+ "last_change_time": "2022-03-02T16:42:39Z",
+ "component": "Performance",
"summary": "Opening a new browser window feels slow",
"priority": "P2",
- "component": "Performance",
- "last_change_time": "2022-03-02T16:42:39Z",
- "creation_time": "2021-02-10T19:58:13Z",
- "status": "NEW",
- "severity": "S3",
+ "op_sys": "Unspecified",
"id": 1692035,
"keywords": [
"perf:responsiveness"
],
- "op_sys": "Unspecified"
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2021-02-10T19:58:13Z"
},
{
- "summary": "Firefox parent process has very high memory usage and a large number of \"ports\"",
- "priority": "P2",
- "component": "Performance",
- "last_change_time": "2022-05-13T12:53:42Z",
- "status": "NEW",
- "creation_time": "2021-02-17T20:14:47Z",
- "severity": "--",
+ "op_sys": "Unspecified",
"keywords": [
"perf:resource-use"
],
"id": 1693382,
- "op_sys": "Unspecified"
+ "severity": "--",
+ "status": "NEW",
+ "creation_time": "2021-02-17T20:14:47Z",
+ "last_change_time": "2022-05-13T12:53:42Z",
+ "component": "Performance",
+ "summary": "Firefox parent process has very high memory usage and a large number of \"ports\"",
+ "priority": "P2"
},
{
- "last_change_time": "2023-03-29T12:13:54Z",
- "component": "Layout: Text and Fonts",
- "summary": "Slow reflow when selecting a large amount of text, on the logged-out view of GitHub's code viewer",
- "priority": "--",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2021-02-23T15:30:09Z",
"op_sys": "Unspecified",
"keywords": [
"perf:responsiveness"
],
"id": 1694417,
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2021-02-23T15:30:09Z"
+ "component": "Layout: Text and Fonts",
+ "priority": "--",
+ "summary": "Slow reflow when selecting a large amount of text, on the logged-out view of GitHub's code viewer",
+ "last_change_time": "2023-03-29T12:13:54Z"
},
{
+ "priority": "P3",
+ "summary": "[NSFW] Slowness remaining on scrolling nsfw reddit after bug 1694017 is resolved",
+ "component": "Graphics: WebRender",
+ "last_change_time": "2024-09-24T06:10:09Z",
"status": "NEW",
"creation_time": "2021-02-26T17:26:09Z",
"severity": "S4",
+ "id": 1695273,
"keywords": [
"perf:responsiveness",
"reproducible"
],
- "id": 1695273,
- "op_sys": "Unspecified",
- "priority": "P3",
- "summary": "[NSFW] Slowness remaining on scrolling nsfw reddit after bug 1694017 is resolved",
- "component": "Graphics: WebRender",
- "last_change_time": "2024-09-24T06:10:09Z"
+ "op_sys": "Unspecified"
},
{
- "severity": "--",
+ "summary": "The startup cache file is written to disk during shutdown with many small write calls",
+ "priority": "--",
+ "component": "XPCOM",
+ "last_change_time": "2022-12-12T21:26:07Z",
"creation_time": "2021-03-02T23:05:30Z",
"status": "NEW",
+ "severity": "--",
+ "op_sys": "Unspecified",
"keywords": [
"perf",
"perf:responsiveness"
],
- "id": 1696051,
- "op_sys": "Unspecified",
- "component": "XPCOM",
- "priority": "--",
- "summary": "The startup cache file is written to disk during shutdown with many small write calls",
- "last_change_time": "2022-12-12T21:26:07Z"
+ "id": 1696051
},
{
+ "last_change_time": "2023-03-09T16:30:19Z",
"component": "JavaScript Engine",
- "summary": "Scrolling twitter has more checkerboarding than Chrome",
"priority": "P2",
- "last_change_time": "2023-03-09T16:30:19Z",
- "severity": "S3",
- "creation_time": "2021-03-30T14:59:16Z",
- "status": "NEW",
+ "summary": "Scrolling twitter has more checkerboarding than Chrome",
"op_sys": "Unspecified",
"keywords": [
"perf:responsiveness"
],
- "id": 1701956
+ "id": 1701956,
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2021-03-30T14:59:16Z"
},
{
+ "status": "NEW",
+ "creation_time": "2021-03-31T21:37:23Z",
+ "severity": "S3",
+ "op_sys": "Unspecified",
"id": 1702345,
"keywords": [
"perf:startup"
],
- "op_sys": "Unspecified",
- "status": "NEW",
- "creation_time": "2021-03-31T21:37:23Z",
- "severity": "S3",
- "last_change_time": "2022-04-28T14:17:13Z",
"priority": "P3",
"summary": "First startup (new profile) can be blocked for a while on mozilla::PermissionManager::EnsureReadCompleted",
- "component": "Permission Manager"
+ "component": "Permission Manager",
+ "last_change_time": "2022-04-28T14:17:13Z"
},
{
- "status": "NEW",
- "creation_time": "2021-05-12T16:27:38Z",
- "severity": "--",
- "op_sys": "Android",
- "id": 1710884,
+ "last_change_time": "2024-05-02T14:48:04Z",
+ "priority": "--",
+ "summary": "Add IPC glue code for self-hosted XDR content [Android]",
+ "component": "IPC",
"keywords": [
"perf:startup"
],
- "summary": "Add IPC glue code for self-hosted XDR content [Android]",
- "priority": "--",
- "component": "IPC",
- "last_change_time": "2024-05-02T14:48:04Z"
+ "id": 1710884,
+ "op_sys": "Android",
+ "creation_time": "2021-05-12T16:27:38Z",
+ "status": "NEW",
+ "severity": "--"
},
{
- "component": "DOM: Navigation",
- "priority": "P3",
- "summary": "More aggressively abort slow scripts when the tab (browser/docshell) goes away",
- "last_change_time": "2022-03-09T19:01:13Z",
- "severity": "S3",
"creation_time": "2021-05-18T18:39:01Z",
"status": "NEW",
+ "severity": "S3",
"op_sys": "All",
- "id": 1711758,
"keywords": [
"perf:resource-use",
"perf:responsiveness"
- ]
+ ],
+ "id": 1711758,
+ "priority": "P3",
+ "summary": "More aggressively abort slow scripts when the tab (browser/docshell) goes away",
+ "component": "DOM: Navigation",
+ "last_change_time": "2022-03-09T19:01:13Z"
},
{
+ "last_change_time": "2023-05-12T01:02:44Z",
"component": "Performance",
- "priority": "P2",
"summary": "Memory usage skyrockets time to time on crunchyroll.com",
- "last_change_time": "2023-05-12T01:02:44Z",
- "severity": "--",
- "status": "NEW",
- "creation_time": "2021-05-23T19:22:53Z",
+ "priority": "P2",
+ "id": 1712512,
"keywords": [
"perf:responsiveness"
],
- "id": 1712512,
- "op_sys": "Unspecified"
+ "op_sys": "Unspecified",
+ "severity": "--",
+ "creation_time": "2021-05-23T19:22:53Z",
+ "status": "NEW"
},
{
+ "component": "General",
+ "summary": "Creating GeckoSessions and loading URLs from non-main threads",
+ "priority": "P3",
+ "last_change_time": "2023-01-26T23:05:35Z",
+ "severity": "N/A",
+ "status": "NEW",
+ "creation_time": "2021-05-25T17:36:26Z",
+ "op_sys": "All",
"keywords": [
"perf:pageload"
],
- "id": 1712784,
- "op_sys": "All",
- "severity": "N/A",
- "creation_time": "2021-05-25T17:36:26Z",
- "status": "NEW",
- "last_change_time": "2023-01-26T23:05:35Z",
- "component": "General",
- "priority": "P3",
- "summary": "Creating GeckoSessions and loading URLs from non-main threads"
+ "id": 1712784
},
{
- "component": "JavaScript Engine",
"priority": "P3",
"summary": "Opening a ticket in JIRA from a kanban board is slow",
+ "component": "JavaScript Engine",
"last_change_time": "2024-08-24T14:14:39Z",
- "severity": "S3",
- "status": "NEW",
"creation_time": "2021-05-26T06:32:52Z",
+ "status": "NEW",
+ "severity": "S3",
"op_sys": "Unspecified",
+ "id": 1712882,
"keywords": [
"perf:responsiveness"
- ],
- "id": 1712882
+ ]
},
{
+ "last_change_time": "2022-04-07T16:24:00Z",
+ "component": "Performance",
+ "summary": "Loading website lanouvellerepublique.fr blocks the browser for several seconds",
+ "priority": "P2",
+ "op_sys": "Unspecified",
+ "id": 1714188,
"keywords": [
"perf:responsiveness"
],
- "id": 1714188,
- "op_sys": "Unspecified",
- "status": "NEW",
- "creation_time": "2021-06-02T19:39:57Z",
"severity": "--",
- "last_change_time": "2022-04-07T16:24:00Z",
- "summary": "Loading website lanouvellerepublique.fr blocks the browser for several seconds",
- "priority": "P2",
- "component": "Performance"
+ "status": "NEW",
+ "creation_time": "2021-06-02T19:39:57Z"
},
{
- "component": "Downloads API",
- "summary": "AddToRecentDocs causes hangs due to main thread I/O",
- "priority": "P3",
- "last_change_time": "2022-04-09T13:12:16Z",
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2021-06-04T07:01:34Z",
- "op_sys": "Unspecified",
"keywords": [
"hang",
"main-thread-io",
@@ -2743,7 +2721,15 @@
"perf:responsiveness",
"regression"
],
- "id": 1714504
+ "id": 1714504,
+ "op_sys": "Unspecified",
+ "creation_time": "2021-06-04T07:01:34Z",
+ "status": "NEW",
+ "severity": "S3",
+ "last_change_time": "2022-04-09T13:12:16Z",
+ "summary": "AddToRecentDocs causes hangs due to main thread I/O",
+ "priority": "P3",
+ "component": "Downloads API"
},
{
"id": 1716149,
@@ -2754,63 +2740,61 @@
"reproducible"
],
"op_sys": "All",
- "severity": "--",
- "status": "NEW",
"creation_time": "2021-06-12T15:39:00Z",
+ "status": "NEW",
+ "severity": "--",
"last_change_time": "2024-04-04T02:07:56Z",
- "component": "Tabbed Browser",
+ "summary": "Opening large data uri based image with \"open image in new tab\" can be very slow",
"priority": "--",
- "summary": "Opening large data uri based image with \"open image in new tab\" can be very slow"
+ "component": "Tabbed Browser"
},
{
- "priority": "--",
- "summary": "Big tables jank the browser hard [with dark-background-light-text addon]",
- "component": "Layout: Tables",
- "last_change_time": "2022-11-24T03:54:12Z",
- "creation_time": "2021-06-16T01:13:10Z",
- "status": "NEW",
- "severity": "S3",
"op_sys": "Linux",
"keywords": [
"perf",
"perf:responsiveness"
],
- "id": 1716686
+ "id": 1716686,
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2021-06-16T01:13:10Z",
+ "last_change_time": "2022-11-24T03:54:12Z",
+ "component": "Layout: Tables",
+ "priority": "--",
+ "summary": "Big tables jank the browser hard [with dark-background-light-text addon]"
},
{
- "last_change_time": "2024-04-08T18:42:55Z",
- "component": "Performance",
- "priority": "P2",
- "summary": "qatarairways.com is slow to load in Firefox on Android",
- "op_sys": "Android",
- "id": 1719556,
+ "status": "NEW",
+ "creation_time": "2021-07-07T21:15:26Z",
+ "severity": "--",
"keywords": [
"perf:pageload"
],
- "severity": "--",
- "creation_time": "2021-07-07T21:15:26Z",
- "status": "NEW"
+ "id": 1719556,
+ "op_sys": "Android",
+ "summary": "qatarairways.com is slow to load in Firefox on Android",
+ "priority": "P2",
+ "component": "Performance",
+ "last_change_time": "2024-04-08T18:42:55Z"
},
{
"severity": "--",
- "creation_time": "2021-07-23T16:28:58Z",
"status": "NEW",
- "op_sys": "Unspecified",
- "id": 1722057,
+ "creation_time": "2021-07-23T16:28:58Z",
"keywords": [
"perf:responsiveness"
],
+ "id": 1722057,
+ "op_sys": "Unspecified",
"component": "Performance",
"summary": "Performance problem in performance.measure() on the theatlantic.com",
"priority": "P2",
"last_change_time": "2022-03-02T16:44:18Z"
},
{
- "last_change_time": "2024-03-05T16:23:04Z",
- "summary": "SAP application very slow since 72.0b1, with deeply nested percent-height tables",
- "priority": "--",
- "component": "Layout: Tables",
- "op_sys": "Unspecified",
+ "status": "NEW",
+ "creation_time": "2021-08-14T12:19:55Z",
+ "severity": "S3",
"id": 1725781,
"keywords": [
"perf:pageload",
@@ -2818,41 +2802,46 @@
"regression",
"reproducible"
],
- "status": "NEW",
- "creation_time": "2021-08-14T12:19:55Z",
- "severity": "S3"
+ "op_sys": "Unspecified",
+ "summary": "SAP application very slow since 72.0b1, with deeply nested percent-height tables",
+ "priority": "--",
+ "component": "Layout: Tables",
+ "last_change_time": "2024-03-05T16:23:04Z"
},
{
- "summary": "Broken Links in Performance Documentation",
- "priority": "P2",
- "component": "Performance",
- "last_change_time": "2022-04-29T14:13:49Z",
- "creation_time": "2021-08-24T17:44:41Z",
- "status": "NEW",
"severity": "--",
- "op_sys": "Unspecified",
+ "status": "NEW",
+ "creation_time": "2021-08-24T17:44:41Z",
+ "keywords": [],
"id": 1727380,
- "keywords": []
+ "op_sys": "Unspecified",
+ "component": "Performance",
+ "summary": "Broken Links in Performance Documentation",
+ "priority": "P2",
+ "last_change_time": "2022-04-29T14:13:49Z"
},
{
+ "op_sys": "All",
+ "id": 1728908,
"keywords": [
"perf:startup"
],
- "id": 1728908,
- "op_sys": "All",
- "severity": "--",
- "status": "NEW",
"creation_time": "2021-09-02T22:45:35Z",
+ "status": "NEW",
+ "severity": "--",
"last_change_time": "2022-03-28T19:24:00Z",
- "component": "Tabbed Browser",
+ "priority": "--",
"summary": "The default process type for the initial tab and new tabs created by tabbrowser should be 'privileged about' rather than 'web'",
- "priority": "--"
+ "component": "Tabbed Browser"
},
{
- "last_change_time": "2024-05-02T16:38:31Z",
- "priority": "P2",
"summary": "Extreme memory surge when opening a certain pdf-file",
+ "priority": "P2",
"component": "PDF Viewer",
+ "last_change_time": "2024-05-02T16:38:31Z",
+ "creation_time": "2021-09-20T00:00:53Z",
+ "status": "NEW",
+ "severity": "S3",
"keywords": [
"perf:pageload",
"perf:resource-use",
@@ -2860,17 +2849,14 @@
"reproducible"
],
"id": 1731514,
- "op_sys": "Unspecified",
- "status": "NEW",
- "creation_time": "2021-09-20T00:00:53Z",
- "severity": "S3"
+ "op_sys": "Unspecified"
},
{
- "id": 1739170,
+ "op_sys": "Unspecified",
"keywords": [
"perf:responsiveness"
],
- "op_sys": "Unspecified",
+ "id": 1739170,
"creation_time": "2021-11-03T17:17:51Z",
"status": "NEW",
"severity": "S3",
@@ -2880,81 +2866,81 @@
"component": "Form Autofill"
},
{
- "summary": "https://codepen.io/danwilson/full/VwzNLYd is very slow (mix-blend-mode)",
- "priority": "--",
"component": "Graphics: WebRender",
+ "priority": "--",
+ "summary": "https://codepen.io/danwilson/full/VwzNLYd is very slow (mix-blend-mode)",
"last_change_time": "2022-10-18T12:16:39Z",
+ "severity": "S3",
"creation_time": "2021-12-22T04:16:58Z",
"status": "NEW",
- "severity": "S3",
- "op_sys": "Unspecified",
"id": 1747191,
"keywords": [
"perf:responsiveness"
- ]
+ ],
+ "op_sys": "Unspecified"
},
{
- "op_sys": "Unspecified",
- "id": 1749022,
+ "component": "WebRTC: Networking",
+ "priority": "P2",
+ "summary": "mdns_service thread remains active in the parent process",
+ "last_change_time": "2022-08-02T15:48:22Z",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2022-01-07T16:07:28Z",
"keywords": [
"perf:resource-use",
"power",
"reproducible"
],
- "severity": "S3",
- "creation_time": "2022-01-07T16:07:28Z",
- "status": "NEW",
- "last_change_time": "2022-08-02T15:48:22Z",
- "component": "WebRTC: Networking",
- "summary": "mdns_service thread remains active in the parent process",
- "priority": "P2"
+ "id": 1749022,
+ "op_sys": "Unspecified"
},
{
- "severity": "S4",
- "status": "NEW",
- "creation_time": "2022-02-02T23:49:02Z",
- "id": 1753321,
"keywords": [],
+ "id": 1753321,
"op_sys": "Unspecified",
+ "severity": "S4",
+ "creation_time": "2022-02-02T23:49:02Z",
+ "status": "NEW",
+ "last_change_time": "2024-11-13T21:38:46Z",
"component": "Graphics: CanvasWebGL",
"priority": "P3",
- "summary": "Poor performance on lucidchart.com (with llvmpipe software rendering)",
- "last_change_time": "2024-11-13T21:38:46Z"
+ "summary": "Poor performance on lucidchart.com (with llvmpipe software rendering)"
},
{
+ "component": "Graphics",
+ "priority": "--",
+ "summary": "Scrolling through the all tabs menu uses 100% of a core painting",
+ "last_change_time": "2024-09-12T14:49:13Z",
+ "severity": "S3",
"status": "NEW",
"creation_time": "2022-02-10T15:40:23Z",
- "severity": "S3",
- "id": 1754796,
+ "op_sys": "macOS",
"keywords": [
"perf:resource-use",
"power",
"reproducible"
],
- "op_sys": "macOS",
- "priority": "--",
- "summary": "Scrolling through the all tabs menu uses 100% of a core painting",
- "component": "Graphics",
- "last_change_time": "2024-09-12T14:49:13Z"
+ "id": 1754796
},
{
"severity": "--",
- "creation_time": "2022-04-12T02:39:59Z",
"status": "NEW",
- "op_sys": "Unspecified",
- "id": 1764227,
+ "creation_time": "2022-04-12T02:39:59Z",
"keywords": [
"perf:resource-use",
"perf:responsiveness"
],
+ "id": 1764227,
+ "op_sys": "Unspecified",
"component": "Performance",
"priority": "P2",
"summary": "Out of Memory issue for ensonhaber.com",
"last_change_time": "2023-02-22T23:20:58Z"
},
{
- "priority": "P3",
"summary": "Fenix page load is slower when using enhanced tracking protection",
+ "priority": "P3",
"component": "Privacy: Anti-Tracking",
"last_change_time": "2024-06-04T15:26:33Z",
"creation_time": "2022-04-29T23:11:41Z",
@@ -2969,8 +2955,8 @@
"id": 1767103
},
{
- "priority": "P3",
"summary": "Firefox janks for ~1.5-2x as long as Chrome in click handler, when unchecking a topic at https://twitter.com/settings/your_twitter_data/twitter_interests",
+ "priority": "P3",
"component": "JavaScript Engine",
"last_change_time": "2023-03-07T12:05:49Z",
"creation_time": "2022-05-12T20:44:00Z",
@@ -2984,77 +2970,81 @@
},
{
"last_change_time": "2022-09-01T14:38:58Z",
- "component": "Widget: Win32",
- "summary": "Firefox hangs on startup roughly 80% of the time, only ending process works (Win8.1)",
"priority": "P3",
- "op_sys": "Windows 8.1",
+ "summary": "Firefox hangs on startup roughly 80% of the time, only ending process works (Win8.1)",
+ "component": "Widget: Win32",
"id": 1770503,
"keywords": [
"perf:startup"
],
- "severity": "S3",
+ "op_sys": "Windows 8.1",
"status": "NEW",
- "creation_time": "2022-05-20T20:05:29Z"
+ "creation_time": "2022-05-20T20:05:29Z",
+ "severity": "S3"
},
{
"last_change_time": "2024-04-02T20:50:06Z",
+ "component": "Graphics: WebRender",
"summary": "RenderCompositorNativeOGL::WaitForGPU causes scroll jank on google docs",
"priority": "--",
- "component": "Graphics: WebRender",
- "id": 1771038,
+ "op_sys": "Unspecified",
"keywords": [
"perf:responsiveness"
],
- "op_sys": "Unspecified",
- "creation_time": "2022-05-24T21:39:20Z",
+ "id": 1771038,
+ "severity": "S3",
"status": "NEW",
- "severity": "S3"
+ "creation_time": "2022-05-24T21:39:20Z"
},
{
- "id": 1772422,
- "keywords": [],
- "op_sys": "Windows",
"status": "NEW",
"creation_time": "2022-06-02T22:18:18Z",
"severity": "S3",
- "last_change_time": "2022-09-01T14:23:36Z",
- "priority": "P3",
+ "op_sys": "Windows",
+ "id": 1772422,
+ "keywords": [],
"summary": "Fix recent slow performance in Windows shutdown",
- "component": "Widget: Win32"
+ "priority": "P3",
+ "component": "Widget: Win32",
+ "last_change_time": "2022-09-01T14:23:36Z"
},
{
+ "severity": "S4",
"status": "NEW",
"creation_time": "2022-06-08T16:33:48Z",
- "severity": "S4",
- "id": 1773332,
+ "op_sys": "All",
"keywords": [
"perf:responsiveness"
],
- "op_sys": "All",
+ "id": 1773332,
+ "component": "JavaScript Engine",
"summary": "Jank when clicking image on Twitter",
"priority": "P3",
- "component": "JavaScript Engine",
"last_change_time": "2022-09-06T16:40:12Z"
},
{
- "severity": "--",
- "status": "NEW",
- "creation_time": "2022-06-09T18:45:41Z",
"op_sys": "Android",
- "id": 1773543,
"keywords": [
"perf:pageload",
"reproducible"
],
+ "id": 1773543,
+ "severity": "--",
+ "creation_time": "2022-06-09T18:45:41Z",
+ "status": "NEW",
+ "last_change_time": "2024-04-08T18:43:41Z",
"component": "Performance",
"summary": "www.aa.com.tr/tr loads more slowly than Chrome",
- "priority": "--",
- "last_change_time": "2024-04-08T18:43:41Z"
+ "priority": "--"
},
{
+ "component": "Disability Access APIs",
+ "priority": "--",
+ "summary": "Browser stops responding during animation.",
+ "last_change_time": "2024-08-13T15:05:53Z",
+ "severity": "S3",
"status": "NEW",
"creation_time": "2022-06-18T08:07:25Z",
- "severity": "S3",
"id": 1774918,
"keywords": [
"parity-chrome",
@@ -3062,31 +3052,28 @@
"perf:animation",
"perf:responsiveness"
],
- "op_sys": "Windows 10",
- "summary": "Browser stops responding during animation.",
- "priority": "--",
- "component": "Disability Access APIs",
- "last_change_time": "2024-08-13T15:05:53Z"
+ "op_sys": "Windows 10"
},
{
+ "severity": "S4",
"creation_time": "2022-06-23T05:52:34Z",
"status": "NEW",
- "severity": "S4",
- "op_sys": "Unspecified",
"keywords": [
"perf:animation",
"perf:responsiveness"
],
"id": 1776131,
- "summary": "wokwi.com - simulations much slower in FF than other browsers",
- "priority": "P3",
+ "op_sys": "Unspecified",
"component": "JavaScript Engine: JIT",
+ "priority": "P3",
+ "summary": "wokwi.com - simulations much slower in FF than other browsers",
"last_change_time": "2024-02-16T04:58:12Z"
},
{
- "severity": "S3",
- "creation_time": "2022-07-01T22:54:00Z",
- "status": "NEW",
+ "last_change_time": "2022-08-05T13:44:52Z",
+ "summary": "Jank when exiting miniplayer on YouTube",
+ "priority": "P3",
+ "component": "Layout",
"op_sys": "Linux",
"keywords": [
"perf:animation",
@@ -3094,80 +3081,79 @@
"top50"
],
"id": 1777744,
- "component": "Layout",
- "summary": "Jank when exiting miniplayer on YouTube",
- "priority": "P3",
- "last_change_time": "2022-08-05T13:44:52Z"
+ "status": "NEW",
+ "creation_time": "2022-07-01T22:54:00Z",
+ "severity": "S3"
},
{
- "status": "NEW",
+ "priority": "--",
+ "summary": "Blinking the caret in the Firefox location bar uses a lot more GPU power than in other browsers",
+ "component": "Graphics",
+ "last_change_time": "2024-08-27T06:52:00Z",
"creation_time": "2022-07-04T17:12:21Z",
+ "status": "NEW",
"severity": "S4",
- "op_sys": "Unspecified",
"id": 1777994,
"keywords": [
"perf:resource-use",
"power",
"reproducible"
],
- "summary": "Blinking the caret in the Firefox location bar uses a lot more GPU power than in other browsers",
- "priority": "--",
- "component": "Graphics",
- "last_change_time": "2024-08-27T06:52:00Z"
+ "op_sys": "Unspecified"
},
{
- "creation_time": "2022-07-07T11:21:45Z",
- "status": "NEW",
- "severity": "S3",
- "op_sys": "Unspecified",
+ "id": 1778472,
"keywords": [
"perf:pageload",
"perf:responsiveness",
"perf:startup",
"reproducible"
],
- "id": 1778472,
- "summary": "Firefox startup extremely slow after reboot (24 seconds wait in Web Extensions process from mozilla::dom::LSObject::EnsureDatabase)",
- "priority": "P2",
+ "op_sys": "Unspecified",
+ "severity": "S3",
+ "creation_time": "2022-07-07T11:21:45Z",
+ "status": "NEW",
+ "last_change_time": "2024-09-17T05:41:30Z",
"component": "Storage: Quota Manager",
- "last_change_time": "2024-09-17T05:41:30Z"
+ "priority": "P2",
+ "summary": "Firefox startup extremely slow after reboot (24 seconds wait in Web Extensions process from mozilla::dom::LSObject::EnsureDatabase)"
},
{
- "component": "Performance",
+ "last_change_time": "2023-01-17T17:01:00Z",
"summary": "Large performance difference when loading a PDF in \"performance\" vs \"energy saving\" mode",
"priority": "--",
- "last_change_time": "2023-01-17T17:01:00Z",
- "severity": "S4",
- "creation_time": "2022-07-13T08:33:40Z",
- "status": "NEW",
- "op_sys": "Linux",
- "id": 1779363,
+ "component": "Performance",
"keywords": [
"perf:pageload",
"perf:resource-use",
"reproducible"
- ]
+ ],
+ "id": 1779363,
+ "op_sys": "Linux",
+ "status": "NEW",
+ "creation_time": "2022-07-13T08:33:40Z",
+ "severity": "S4"
},
{
- "last_change_time": "2024-08-13T15:50:59Z",
- "component": "Privacy: Anti-Tracking",
- "priority": "P2",
- "summary": "High CPU utilisation on idle from PurgeTrackerService",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2022-10-06T15:36:45Z",
"op_sys": "Windows 10",
"id": 1793980,
"keywords": [
"perf:resource-use"
],
- "severity": "S3",
- "creation_time": "2022-10-06T15:36:45Z",
- "status": "NEW"
+ "component": "Privacy: Anti-Tracking",
+ "summary": "High CPU utilisation on idle from PurgeTrackerService",
+ "priority": "P2",
+ "last_change_time": "2024-08-13T15:50:59Z"
},
{
- "id": 1798206,
"keywords": [
"perf:resource-use",
"top50"
],
+ "id": 1798206,
"op_sys": "Unspecified",
"severity": "--",
"creation_time": "2022-10-30T15:46:27Z",
@@ -3178,13 +3164,9 @@
"summary": "\"Ambient Mode\" on youtube uses a lot of GPU/CPU (particularly high impact with sw-wr)"
},
{
- "component": "Layout: Images, Video, and HTML Frames",
- "summary": "\"Open Image in New Tab\" on very large data URL (11MB) is very slow or crashes browser",
- "priority": "--",
- "last_change_time": "2024-08-07T16:20:40Z",
- "severity": "S3",
- "creation_time": "2022-11-15T08:05:33Z",
"status": "NEW",
+ "creation_time": "2022-11-15T08:05:33Z",
+ "severity": "S3",
"op_sys": "All",
"keywords": [
"crash",
@@ -3193,42 +3175,46 @@
"perf:responsiveness",
"reproducible"
],
- "id": 1800596
+ "id": 1800596,
+ "summary": "\"Open Image in New Tab\" on very large data URL (11MB) is very slow or crashes browser",
+ "priority": "--",
+ "component": "Layout: Images, Video, and HTML Frames",
+ "last_change_time": "2024-08-07T16:20:40Z"
},
{
+ "component": "CSS Parsing and Computation",
+ "summary": "Long site hang when searching on https://support.hp.com/",
+ "priority": "--",
+ "last_change_time": "2022-12-01T09:42:11Z",
+ "severity": "S3",
+ "creation_time": "2022-11-19T12:52:25Z",
+ "status": "NEW",
"op_sys": "Unspecified",
- "id": 1801478,
"keywords": [
"hang",
"perf:pageload",
"reproducible"
],
- "severity": "S3",
- "creation_time": "2022-11-19T12:52:25Z",
- "status": "NEW",
- "last_change_time": "2022-12-01T09:42:11Z",
- "component": "CSS Parsing and Computation",
- "priority": "--",
- "summary": "Long site hang when searching on https://support.hp.com/"
+ "id": 1801478
},
{
- "status": "NEW",
- "creation_time": "2022-12-23T20:44:10Z",
- "severity": "--",
- "id": 1807322,
"keywords": [],
+ "id": 1807322,
"op_sys": "Android",
- "priority": "--",
- "summary": "Long DNS resolution times (on start up only?)",
+ "severity": "--",
+ "creation_time": "2022-12-23T20:44:10Z",
+ "status": "NEW",
+ "last_change_time": "2023-06-23T17:49:45Z",
"component": "Performance",
- "last_change_time": "2023-06-23T17:49:45Z"
+ "summary": "Long DNS resolution times (on start up only?)",
+ "priority": "--"
},
{
+ "op_sys": "Unspecified",
"id": 1808403,
"keywords": [],
- "op_sys": "Unspecified",
- "status": "NEW",
"creation_time": "2023-01-03T20:49:58Z",
+ "status": "NEW",
"severity": "--",
"last_change_time": "2023-07-09T18:23:05Z",
"summary": "Investigate creating a system to inline DOM bindings in Ion",
@@ -3236,96 +3222,96 @@
"component": "DOM: Bindings (WebIDL)"
},
{
- "last_change_time": "2023-12-04T12:08:41Z",
- "component": "Widget: Cocoa",
- "priority": "--",
- "summary": "Closing a browser window with an open panelview results in a leakcheck permafail: WARNING: YOU ARE LEAKING THE WORLD",
+ "creation_time": "2023-01-07T00:00:51Z",
+ "status": "NEW",
+ "severity": "--",
+ "op_sys": "macOS",
+ "id": 1809000,
"keywords": [
"memory-leak",
"perf:resource-use",
"reproducible"
],
- "id": 1809000,
- "op_sys": "macOS",
- "severity": "--",
- "status": "NEW",
- "creation_time": "2023-01-07T00:00:51Z"
+ "priority": "--",
+ "summary": "Closing a browser window with an open panelview results in a leakcheck permafail: WARNING: YOU ARE LEAKING THE WORLD",
+ "component": "Widget: Cocoa",
+ "last_change_time": "2023-12-04T12:08:41Z"
},
{
- "priority": "P2",
+ "last_change_time": "2024-09-17T05:44:24Z",
"summary": "Major page initial load slowdowns on multiple devices without addons, except in private browsing",
+ "priority": "P2",
"component": "Performance",
- "last_change_time": "2024-09-17T05:44:24Z",
- "creation_time": "2023-01-12T17:15:32Z",
- "status": "NEW",
- "severity": "S3",
+ "op_sys": "Android",
+ "id": 1809944,
"keywords": [
"perf:pageload",
"perf:responsiveness"
],
- "id": 1809944,
- "op_sys": "Android"
+ "status": "NEW",
+ "creation_time": "2023-01-12T17:15:32Z",
+ "severity": "S3"
},
{
- "last_change_time": "2024-06-19T11:49:34Z",
- "component": "Browser Engine",
- "summary": "Tabs use \"excessive\" CPU when application is backgrounded",
- "priority": "--",
- "op_sys": "Android",
"id": 1810550,
"keywords": [
"perf:resource-use",
"requested-mobile"
],
- "severity": "S3",
+ "op_sys": "Android",
"status": "NEW",
- "creation_time": "2023-01-16T15:58:57Z"
+ "creation_time": "2023-01-16T15:58:57Z",
+ "severity": "S3",
+ "last_change_time": "2024-06-19T11:49:34Z",
+ "priority": "--",
+ "summary": "Tabs use \"excessive\" CPU when application is backgrounded",
+ "component": "Browser Engine"
},
{
"op_sys": "Windows 10",
- "id": 1811843,
"keywords": [
"perf:pageload",
"perf:responsiveness"
],
- "severity": "S3",
+ "id": 1811843,
"creation_time": "2023-01-23T13:41:55Z",
"status": "NEW",
+ "severity": "S3",
"last_change_time": "2024-09-23T21:48:57Z",
- "component": "Privacy: Site Reports",
"summary": "content loads extremely slow on accenture.com in ETP strict",
- "priority": "P3"
+ "priority": "P3",
+ "component": "Privacy: Site Reports"
},
{
+ "status": "NEW",
+ "creation_time": "2023-01-25T18:49:57Z",
+ "severity": "S3",
"op_sys": "Unspecified",
- "id": 1812394,
"keywords": [
"perf:animation",
"perf:pageload",
"perf:resource-use"
],
- "creation_time": "2023-01-25T18:49:57Z",
- "status": "NEW",
- "severity": "S3",
- "last_change_time": "2024-04-03T01:58:09Z",
+ "id": 1812394,
"priority": "--",
"summary": "High parent-process CPU usage, with animated balloons SVG background-image",
- "component": "Graphics: WebRender"
+ "component": "Graphics: WebRender",
+ "last_change_time": "2024-04-03T01:58:09Z"
},
{
- "creation_time": "2023-01-28T17:37:06Z",
- "status": "NEW",
"severity": "S3",
+ "status": "NEW",
+ "creation_time": "2023-01-28T17:37:06Z",
+ "op_sys": "Unspecified",
"id": 1813325,
"keywords": [
"perf:pageload",
"perf:responsiveness",
"reproducible"
],
- "op_sys": "Unspecified",
+ "component": "Web Painting",
"priority": "--",
"summary": "Pdf.js UI is very sluggish with a specific pdf",
- "component": "Web Painting",
"last_change_time": "2024-05-22T16:53:04Z"
},
{
@@ -3334,24 +3320,17 @@
"priority": "--",
"summary": "The slow script warning notification bar appears on www.sanwa.co.jp",
"op_sys": "Windows 10",
- "id": 1814028,
"keywords": [
"nightly-community",
"perf:pageload",
"perf:responsiveness"
],
+ "id": 1814028,
"severity": "--",
- "status": "NEW",
- "creation_time": "2023-01-31T11:32:11Z"
+ "creation_time": "2023-01-31T11:32:11Z",
+ "status": "NEW"
},
{
- "priority": "P2",
- "summary": "Firefox slows down abysmally after a week or so, having hundreds of tabs open (thousands of tabs in total)",
- "component": "Widget: Win32",
- "last_change_time": "2024-11-12T22:54:51Z",
- "status": "NEW",
- "creation_time": "2023-02-28T10:32:56Z",
- "severity": "S3",
"op_sys": "Unspecified",
"id": 1819286,
"keywords": [
@@ -3359,13 +3338,19 @@
"perf:pageload",
"perf:resource-use",
"perf:responsiveness"
- ]
+ ],
+ "status": "NEW",
+ "creation_time": "2023-02-28T10:32:56Z",
+ "severity": "S3",
+ "last_change_time": "2024-11-12T22:54:51Z",
+ "summary": "Firefox slows down abysmally after a week or so, having hundreds of tabs open (thousands of tabs in total)",
+ "priority": "P2",
+ "component": "Widget: Win32"
},
{
- "last_change_time": "2024-03-19T03:24:28Z",
- "summary": "Divi's intensive use of shadows on its demonstration page cause slow performance issues in Firefox on some graphics drivers",
- "priority": "--",
- "component": "Graphics: ImageLib",
+ "severity": "S3",
+ "creation_time": "2023-03-20T18:09:15Z",
+ "status": "NEW",
"id": 1823474,
"keywords": [
"perf:animation",
@@ -3373,51 +3358,45 @@
"reproducible"
],
"op_sys": "Unspecified",
- "creation_time": "2023-03-20T18:09:15Z",
- "status": "NEW",
- "severity": "S3"
+ "component": "Graphics: ImageLib",
+ "priority": "--",
+ "summary": "Divi's intensive use of shadows on its demonstration page cause slow performance issues in Firefox on some graphics drivers",
+ "last_change_time": "2024-03-19T03:24:28Z"
},
{
- "component": "Graphics: Canvas2D",
- "summary": "Slow panning and zooming on cellmapper.net",
- "priority": "--",
- "last_change_time": "2023-06-02T14:40:53Z",
"severity": "S3",
- "creation_time": "2023-03-29T16:21:47Z",
"status": "NEW",
+ "creation_time": "2023-03-29T16:21:47Z",
+ "id": 1825361,
"keywords": [
"perf:animation",
"perf:responsiveness",
"reproducible"
],
- "id": 1825361,
- "op_sys": "Windows 10"
+ "op_sys": "Windows 10",
+ "component": "Graphics: Canvas2D",
+ "summary": "Slow panning and zooming on cellmapper.net",
+ "priority": "--",
+ "last_change_time": "2023-06-02T14:40:53Z"
},
{
- "op_sys": "Unspecified",
+ "severity": "S3",
+ "creation_time": "2023-03-29T18:40:50Z",
+ "status": "NEW",
"id": 1825391,
"keywords": [
"perf:animation",
"perf:responsiveness",
"top50"
],
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2023-03-29T18:40:50Z",
- "last_change_time": "2024-04-08T18:29:33Z",
+ "op_sys": "Unspecified",
"component": "Layout",
"summary": "Janky carousel on Amazon product page on Moto G Pure",
- "priority": "--"
+ "priority": "--",
+ "last_change_time": "2024-04-08T18:29:33Z"
},
{
- "priority": "--",
- "summary": "Janky carousel on Apple India home page on Moto G Pure",
- "component": "Graphics: WebRender",
- "last_change_time": "2024-10-21T10:20:38Z",
- "status": "NEW",
- "creation_time": "2023-03-29T18:54:30Z",
- "severity": "S3",
- "id": 1825395,
+ "op_sys": "Android",
"keywords": [
"perf:animation",
"perf:responsiveness",
@@ -3425,123 +3404,130 @@
"reproducible",
"top50"
],
- "op_sys": "Android"
+ "id": 1825395,
+ "creation_time": "2023-03-29T18:54:30Z",
+ "status": "NEW",
+ "severity": "S3",
+ "last_change_time": "2024-10-21T10:20:38Z",
+ "summary": "Janky carousel on Apple India home page on Moto G Pure",
+ "priority": "--",
+ "component": "Graphics: WebRender"
},
{
"last_change_time": "2024-04-03T01:38:35Z",
"component": "Graphics: WebRender",
- "priority": "--",
"summary": "Codepen demo makes the browser unresponsive",
+ "priority": "--",
+ "id": 1826983,
"keywords": [
"perf:responsiveness",
"regression",
"reproducible"
],
- "id": 1826983,
"op_sys": "Unspecified",
"severity": "S3",
"creation_time": "2023-04-07T16:31:38Z",
"status": "NEW"
},
{
- "component": "DOM: Core & HTML",
- "priority": "P3",
- "summary": "~12 seconds loading this HTML page, Chrome is fine",
- "last_change_time": "2024-08-01T14:56:45Z",
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2023-04-09T09:55:42Z",
"op_sys": "Unspecified",
+ "id": 1827132,
"keywords": [
"perf:pageload",
"perf:responsiveness",
"reproducible"
],
- "id": 1827132
+ "creation_time": "2023-04-09T09:55:42Z",
+ "status": "NEW",
+ "severity": "S3",
+ "last_change_time": "2024-08-01T14:56:45Z",
+ "summary": "~12 seconds loading this HTML page, Chrome is fine",
+ "priority": "P3",
+ "component": "DOM: Core & HTML"
},
{
- "id": 1827906,
+ "last_change_time": "2024-03-22T21:51:46Z",
+ "summary": "High memory usage and slow/jerky text size increase animation on https://www.sbnation.com/a/17776-football",
+ "priority": "P2",
+ "component": "Graphics: WebRender",
"keywords": [
"perf:animation",
"perf:pageload",
"perf:responsiveness"
],
+ "id": 1827906,
"op_sys": "Linux",
- "severity": "S3",
- "status": "NEW",
"creation_time": "2023-04-13T13:43:44Z",
- "last_change_time": "2024-03-22T21:51:46Z",
- "component": "Graphics: WebRender",
- "priority": "P2",
- "summary": "High memory usage and slow/jerky text size increase animation on https://www.sbnation.com/a/17776-football"
+ "status": "NEW",
+ "severity": "S3"
},
{
- "component": "JavaScript Engine",
- "priority": "P3",
- "summary": "50% slower than Chrome loading this Google Sheet with graphs",
- "last_change_time": "2023-05-17T20:40:40Z",
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2023-04-19T17:00:43Z",
+ "op_sys": "All",
"id": 1828961,
"keywords": [
"perf:pageload",
"perf:responsiveness"
],
- "op_sys": "All"
+ "severity": "S3",
+ "creation_time": "2023-04-19T17:00:43Z",
+ "status": "NEW",
+ "last_change_time": "2023-05-17T20:40:40Z",
+ "component": "JavaScript Engine",
+ "priority": "P3",
+ "summary": "50% slower than Chrome loading this Google Sheet with graphs"
},
{
- "priority": "--",
- "summary": "Very high JS string memory usage and lots of structured-clone-holder, with lag and slowdowns",
- "component": "Untriaged",
- "last_change_time": "2023-12-04T12:23:47Z",
- "status": "NEW",
- "creation_time": "2023-05-14T09:34:17Z",
- "severity": "--",
- "op_sys": "Windows 11",
"id": 1833016,
"keywords": [
"perf:animation",
"perf:resource-use",
"perf:responsiveness"
- ]
+ ],
+ "op_sys": "Windows 11",
+ "status": "NEW",
+ "creation_time": "2023-05-14T09:34:17Z",
+ "severity": "--",
+ "last_change_time": "2023-12-04T12:23:47Z",
+ "priority": "--",
+ "summary": "Very high JS string memory usage and lots of structured-clone-holder, with lag and slowdowns",
+ "component": "Untriaged"
},
{
"last_change_time": "2023-08-09T17:24:18Z",
"component": "Installer",
"summary": "We read distribution.ini from the main thread on MSIX Firefoxen",
"priority": "--",
- "op_sys": "Unspecified",
"keywords": [
"main-thread-io",
"perf",
"perf:startup"
],
"id": 1833341,
+ "op_sys": "Unspecified",
"severity": "S3",
- "creation_time": "2023-05-16T09:19:01Z",
- "status": "NEW"
+ "status": "NEW",
+ "creation_time": "2023-05-16T09:19:01Z"
},
{
- "severity": "S3",
- "creation_time": "2023-06-07T21:29:32Z",
- "status": "NEW",
+ "op_sys": "All",
"id": 1837279,
"keywords": [
"perf:responsiveness",
"reproducible"
],
- "op_sys": "All",
- "component": "Performance",
+ "status": "NEW",
+ "creation_time": "2023-06-07T21:29:32Z",
+ "severity": "S3",
+ "last_change_time": "2024-02-22T13:58:50Z",
"summary": "Page performance on Atlassian products (specifically Confluence) very slow and clunky when editing",
"priority": "P3",
- "last_change_time": "2024-02-22T13:58:50Z"
+ "component": "Performance"
},
{
"last_change_time": "2024-04-18T07:15:20Z",
- "component": "Panning and Zooming",
- "summary": "Sluggish horizontal scrolling on github.com",
"priority": "--",
+ "summary": "Sluggish horizontal scrolling on github.com",
+ "component": "Panning and Zooming",
"keywords": [
"perf:animation",
"perf:responsiveness",
@@ -3549,12 +3535,14 @@
],
"id": 1838402,
"op_sys": "Android",
- "severity": "--",
"status": "NEW",
- "creation_time": "2023-06-14T09:46:01Z"
+ "creation_time": "2023-06-14T09:46:01Z",
+ "severity": "--"
},
{
- "op_sys": "Unspecified",
+ "severity": "S3",
+ "creation_time": "2023-06-19T20:57:09Z",
+ "status": "NEW",
"keywords": [
"perf:animation",
"perf:resource-use",
@@ -3562,128 +3550,129 @@
"reproducible"
],
"id": 1839242,
- "severity": "S3",
- "creation_time": "2023-06-19T20:57:09Z",
- "status": "NEW",
- "last_change_time": "2023-08-10T13:14:56Z",
+ "op_sys": "Unspecified",
"component": "Graphics: WebRender",
"summary": "svg high cpu usage",
- "priority": "--"
+ "priority": "--",
+ "last_change_time": "2023-08-10T13:14:56Z"
},
{
- "component": "DOM: Core & HTML",
- "summary": "append/appendChild on large table is over 150x slower than Chromium",
- "priority": "--",
- "last_change_time": "2024-01-16T21:25:25Z",
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2023-06-22T12:20:03Z",
+ "op_sys": "Unspecified",
"keywords": [
"perf:responsiveness",
"reproducible"
],
"id": 1839859,
- "op_sys": "Unspecified"
+ "creation_time": "2023-06-22T12:20:03Z",
+ "status": "NEW",
+ "severity": "S3",
+ "last_change_time": "2024-01-16T21:25:25Z",
+ "summary": "append/appendChild on large table is over 150x slower than Chromium",
+ "priority": "--",
+ "component": "DOM: Core & HTML"
},
{
- "severity": "S3",
- "creation_time": "2023-08-08T17:55:47Z",
- "status": "NEW",
"op_sys": "Unspecified",
- "keywords": [],
"id": 1847796,
- "component": "JavaScript: GC",
- "summary": "~17 seconds in js::gc::GCRuntime::gcSlice with a large number of tabs, many Confluence",
+ "keywords": [],
+ "status": "NEW",
+ "creation_time": "2023-08-08T17:55:47Z",
+ "severity": "S3",
+ "last_change_time": "2023-12-15T11:11:27Z",
"priority": "P3",
- "last_change_time": "2023-12-15T11:11:27Z"
+ "summary": "~17 seconds in js::gc::GCRuntime::gcSlice with a large number of tabs, many Confluence",
+ "component": "JavaScript: GC"
},
{
- "severity": "S3",
- "creation_time": "2023-08-11T22:20:34Z",
- "status": "NEW",
"id": 1848440,
"keywords": [
"perf:responsiveness",
"top50"
],
"op_sys": "Windows 11",
- "component": "JavaScript Engine",
+ "status": "NEW",
+ "creation_time": "2023-08-11T22:20:34Z",
+ "severity": "S3",
+ "last_change_time": "2024-06-24T14:47:13Z",
"summary": "Scrolling YouTube Taste Profile page causes unresponsive content process after enough slow scrolling",
"priority": "P3",
- "last_change_time": "2024-06-24T14:47:13Z"
+ "component": "JavaScript Engine"
},
{
- "component": "Performance",
- "priority": "--",
- "summary": "Scripts in closed tabs keep using 100% of a CPU core",
"last_change_time": "2023-10-05T16:53:47Z",
- "severity": "--",
- "status": "NEW",
- "creation_time": "2023-09-25T09:29:02Z",
+ "summary": "Scripts in closed tabs keep using 100% of a CPU core",
+ "priority": "--",
+ "component": "Performance",
"keywords": [
"perf:resource-use"
],
"id": 1854921,
- "op_sys": "Unspecified"
+ "op_sys": "Unspecified",
+ "creation_time": "2023-09-25T09:29:02Z",
+ "status": "NEW",
+ "severity": "--"
},
{
- "priority": "--",
- "summary": "Speedometer 3 score is ~1 point lower than Chrome on Windows 11 Surface Pro 7+ device, when on battery power",
- "component": "Performance",
- "last_change_time": "2024-01-24T06:47:52Z",
- "status": "NEW",
- "creation_time": "2023-10-11T22:31:20Z",
- "severity": "--",
"op_sys": "Unspecified",
"id": 1858535,
- "keywords": []
+ "keywords": [],
+ "severity": "--",
+ "status": "NEW",
+ "creation_time": "2023-10-11T22:31:20Z",
+ "last_change_time": "2024-01-24T06:47:52Z",
+ "component": "Performance",
+ "summary": "Speedometer 3 score is ~1 point lower than Chrome on Windows 11 Surface Pro 7+ device, when on battery power",
+ "priority": "--"
},
{
- "component": "WebRTC: Audio/Video",
- "priority": "--",
- "summary": "PWebrtcGlobal::Reply_GetStats is very visible in hang reports",
- "last_change_time": "2024-11-15T19:53:18Z",
- "severity": "S3",
- "creation_time": "2023-11-08T20:22:39Z",
- "status": "NEW",
"op_sys": "Unspecified",
- "id": 1863805,
"keywords": [
"perf:resource-use",
"perf:responsiveness"
- ]
- },
- {
- "creation_time": "2023-11-28T20:05:14Z",
+ ],
+ "id": 1863805,
+ "creation_time": "2023-11-08T20:22:39Z",
"status": "NEW",
"severity": "S3",
+ "last_change_time": "2024-11-15T19:53:18Z",
+ "summary": "PWebrtcGlobal::Reply_GetStats is very visible in hang reports",
+ "priority": "--",
+ "component": "WebRTC: Audio/Video"
+ },
+ {
+ "op_sys": "macOS",
"id": 1867118,
"keywords": [
"perf:resource-use",
"perf:responsiveness"
],
- "op_sys": "macOS",
- "priority": "P3",
+ "creation_time": "2023-11-28T20:05:14Z",
+ "status": "NEW",
+ "severity": "S3",
+ "last_change_time": "2024-01-12T07:38:37Z",
"summary": "Slack is frozen/unresponsive when returning from sleep mode",
- "component": "DOM: Performance",
- "last_change_time": "2024-01-12T07:38:37Z"
+ "priority": "P3",
+ "component": "DOM: Performance"
},
{
- "component": "mozglue",
- "summary": "Pre-XUL Skeleton UI is flickering a bit and _may_ be causing a startup slowdown",
- "priority": "P3",
- "last_change_time": "2024-11-06T10:31:01Z",
- "severity": "S2",
- "status": "NEW",
- "creation_time": "2023-12-12T18:01:30Z",
"op_sys": "Unspecified",
+ "id": 1869589,
"keywords": [
"perf:startup",
"reproducible"
],
- "id": 1869589
+ "severity": "S2",
+ "creation_time": "2023-12-12T18:01:30Z",
+ "status": "NEW",
+ "last_change_time": "2024-11-06T10:31:01Z",
+ "component": "mozglue",
+ "summary": "Pre-XUL Skeleton UI is flickering a bit and _may_ be causing a startup slowdown",
+ "priority": "P3"
},
{
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2023-12-22T05:01:07Z",
"keywords": [
"perf:responsiveness",
"regressionwindow-wanted",
@@ -3692,453 +3681,450 @@
],
"id": 1871524,
"op_sys": "All",
- "creation_time": "2023-12-22T05:01:07Z",
- "status": "NEW",
- "severity": "S3",
- "last_change_time": "2024-10-09T05:06:36Z",
- "summary": "Stuck at tabswitch spinner when opening a new tab",
+ "component": "Graphics",
"priority": "P2",
- "component": "Graphics"
+ "summary": "Stuck at tabswitch spinner when opening a new tab",
+ "last_change_time": "2024-10-09T05:06:36Z"
},
{
+ "op_sys": "Windows 10",
"keywords": [
"perf:pageload",
"reproducible",
"webcompat:needs-diagnosis"
],
"id": 1875307,
- "op_sys": "Windows 10",
"severity": "S4",
- "creation_time": "2024-01-18T15:40:58Z",
"status": "NEW",
+ "creation_time": "2024-01-18T15:40:58Z",
"last_change_time": "2024-06-06T15:45:31Z",
"component": "Performance",
- "priority": "P3",
- "summary": "The \"View in map\" image place holder loads slower compared to Chrome at expedia.com"
+ "summary": "The \"View in map\" image place holder loads slower compared to Chrome at expedia.com",
+ "priority": "P3"
},
{
"last_change_time": "2024-03-08T20:08:29Z",
- "component": "Performance",
"priority": "--",
"summary": "Explore creating a \"maintainance\" process that does bunch of cleanup/query in the background while the browser is closed with the aim of improving Firefox startup",
- "op_sys": "Unspecified",
+ "component": "Performance",
"id": 1878531,
"keywords": [
"perf:startup"
],
- "severity": "N/A",
+ "op_sys": "Unspecified",
"status": "NEW",
- "creation_time": "2024-02-04T05:28:04Z"
+ "creation_time": "2024-02-04T05:28:04Z",
+ "severity": "N/A"
},
{
- "priority": "--",
"summary": "[linkedin.com] Adding multiple contacts in rapid succession feels slower on Firefox Nightly",
+ "priority": "--",
"component": "Performance",
"last_change_time": "2024-10-04T23:16:39Z",
"status": "NEW",
"creation_time": "2024-02-15T18:00:38Z",
"severity": "--",
+ "op_sys": "Windows 11",
"id": 1880530,
"keywords": [
"perf:animation",
"perf:resource-use",
"perf:responsiveness"
- ],
- "op_sys": "Windows 11"
+ ]
},
{
- "last_change_time": "2024-06-11T08:25:26Z",
- "priority": "P3",
- "summary": "Navigation for product images slider is not smooth at ebay.com",
- "component": "Layout",
+ "op_sys": "Android",
"keywords": [
"perf:animation",
"top50"
],
"id": 1882302,
- "op_sys": "Android",
"creation_time": "2024-02-27T13:56:00Z",
"status": "NEW",
- "severity": "S4"
+ "severity": "S4",
+ "last_change_time": "2024-06-11T08:25:26Z",
+ "summary": "Navigation for product images slider is not smooth at ebay.com",
+ "priority": "P3",
+ "component": "Layout"
},
{
- "component": "Toolbar",
- "priority": "--",
- "summary": "Frequent inability to use 'back'",
- "last_change_time": "2024-05-27T16:10:29Z",
- "severity": "S3",
"creation_time": "2024-03-08T16:40:04Z",
"status": "NEW",
+ "severity": "S3",
+ "op_sys": "Android",
+ "id": 1884394,
"keywords": [
"perf:pageload"
],
- "id": 1884394,
- "op_sys": "Android"
+ "priority": "--",
+ "summary": "Frequent inability to use 'back'",
+ "component": "Toolbar",
+ "last_change_time": "2024-05-27T16:10:29Z"
},
{
- "last_change_time": "2024-11-11T12:05:27Z",
- "priority": "P3",
- "summary": "The content inside the New Tab page is shaking after opening a new tab",
- "component": "Toolbars and Customization",
+ "severity": "S4",
+ "creation_time": "2024-04-08T09:04:14Z",
+ "status": "NEW",
"op_sys": "All",
- "id": 1890261,
"keywords": [
"regression"
],
- "creation_time": "2024-04-08T09:04:14Z",
- "status": "NEW",
- "severity": "S4"
+ "id": 1890261,
+ "component": "Toolbars and Customization",
+ "priority": "P3",
+ "summary": "The content inside the New Tab page is shaking after opening a new tab",
+ "last_change_time": "2024-11-11T12:05:27Z"
},
{
- "last_change_time": "2024-06-06T16:57:42Z",
- "component": "PDF Viewer",
- "summary": "Firefox nearly froze when I zoomed in in this PDF",
- "priority": "--",
+ "status": "NEW",
+ "creation_time": "2024-04-09T13:18:26Z",
+ "severity": "S3",
"op_sys": "Android",
"id": 1890537,
"keywords": [],
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2024-04-09T13:18:26Z"
+ "summary": "Firefox nearly froze when I zoomed in in this PDF",
+ "priority": "--",
+ "component": "PDF Viewer",
+ "last_change_time": "2024-06-06T16:57:42Z"
},
{
- "last_change_time": "2024-06-17T02:30:24Z",
- "component": "Graphics: Canvas2D",
- "summary": "Previewing a PDF file from within GitLab's UI is extremely slow, affects interaction with apparent hangs / freezes",
- "priority": "--",
- "id": 1893884,
+ "creation_time": "2024-04-28T15:30:20Z",
+ "status": "NEW",
+ "severity": "S3",
"keywords": [
"perf",
"perf:responsiveness"
],
+ "id": 1893884,
"op_sys": "Unspecified",
- "severity": "S3",
- "creation_time": "2024-04-28T15:30:20Z",
- "status": "NEW"
+ "summary": "Previewing a PDF file from within GitLab's UI is extremely slow, affects interaction with apparent hangs / freezes",
+ "priority": "--",
+ "component": "Graphics: Canvas2D",
+ "last_change_time": "2024-06-17T02:30:24Z"
},
{
- "id": 1894906,
+ "component": "Graphics: Canvas2D",
+ "summary": "2x performance regression when rendering PDFs with smask",
+ "priority": "P3",
+ "last_change_time": "2024-09-02T12:20:00Z",
+ "severity": "S3",
+ "creation_time": "2024-05-03T13:26:24Z",
+ "status": "NEW",
+ "op_sys": "Windows",
"keywords": [
"regression"
],
- "op_sys": "Windows",
- "creation_time": "2024-05-03T13:26:24Z",
- "status": "NEW",
- "severity": "S3",
- "last_change_time": "2024-09-02T12:20:00Z",
- "summary": "2x performance regression when rendering PDFs with smask",
- "priority": "P3",
- "component": "Graphics: Canvas2D"
+ "id": 1894906
},
{
- "last_change_time": "2024-07-11T05:58:50Z",
- "component": "Graphics: Canvas2D",
- "priority": "P3",
"summary": "Canvas filters on Mac are very slow with hardware acceleration enabled, which badly affects rendering PDFs with smask",
- "op_sys": "macOS",
- "id": 1895499,
- "keywords": [],
- "severity": "S3",
+ "priority": "P3",
+ "component": "Graphics: Canvas2D",
+ "last_change_time": "2024-07-11T05:58:50Z",
+ "creation_time": "2024-05-07T13:22:33Z",
"status": "NEW",
- "creation_time": "2024-05-07T13:22:33Z"
+ "severity": "S3",
+ "keywords": [],
+ "id": 1895499,
+ "op_sys": "macOS"
},
{
- "component": "Site Reports",
- "summary": "fales.itch.io - The game is stuck in a loading state",
- "priority": "P3",
- "last_change_time": "2024-06-03T14:36:20Z",
- "severity": "S4",
- "status": "NEW",
- "creation_time": "2024-05-17T12:13:33Z",
"op_sys": "Unspecified",
+ "id": 1897427,
"keywords": [
"perf:pageload",
"perf:responsiveness",
"reproducible",
"webcompat:site-wait"
],
- "id": 1897427
+ "severity": "S4",
+ "creation_time": "2024-05-17T12:13:33Z",
+ "status": "NEW",
+ "last_change_time": "2024-06-03T14:36:20Z",
+ "component": "Site Reports",
+ "priority": "P3",
+ "summary": "fales.itch.io - The game is stuck in a loading state"
},
{
+ "component": "Performance",
"priority": "--",
"summary": "Very slow loading https://www.darenc.gov in slow network conditions",
- "component": "Performance",
"last_change_time": "2024-11-01T03:17:43Z",
+ "severity": "--",
"status": "NEW",
"creation_time": "2024-05-28T18:27:52Z",
- "severity": "--",
"op_sys": "Unspecified",
- "keywords": [],
- "id": 1899370
+ "id": 1899370,
+ "keywords": []
},
{
- "id": 1899468,
+ "priority": "P3",
+ "summary": "Twitch chat unusably slow and using 25% CPU after a few days on a stream",
+ "component": "JavaScript Engine",
+ "last_change_time": "2024-07-12T13:52:28Z",
+ "status": "NEW",
+ "creation_time": "2024-05-29T04:27:06Z",
+ "severity": "S3",
"keywords": [
"perf:responsiveness",
"top50"
],
- "op_sys": "Linux",
- "creation_time": "2024-05-29T04:27:06Z",
- "status": "NEW",
- "severity": "S3",
- "last_change_time": "2024-07-12T13:52:28Z",
- "priority": "P3",
- "summary": "Twitch chat unusably slow and using 25% CPU after a few days on a stream",
- "component": "JavaScript Engine"
+ "id": 1899468,
+ "op_sys": "Linux"
},
{
+ "last_change_time": "2024-06-19T12:46:06Z",
+ "component": "Tabbed Browser",
+ "summary": "In full-screen mode, hovering to reveal top toolbar causes jank from resizing the viewports of any tabs whose titles that you happen to hover (all of which resize to accomodate the space that the toolbar is briefly occupying)",
+ "priority": "P3",
"op_sys": "Unspecified",
+ "id": 1901608,
"keywords": [
"perf:responsiveness"
],
- "id": 1901608,
"severity": "S3",
- "status": "NEW",
"creation_time": "2024-06-10T18:42:24Z",
- "last_change_time": "2024-06-19T12:46:06Z",
- "component": "Tabbed Browser",
- "summary": "In full-screen mode, hovering to reveal top toolbar causes jank from resizing the viewports of any tabs whose titles that you happen to hover (all of which resize to accomodate the space that the toolbar is briefly occupying)",
- "priority": "P3"
+ "status": "NEW"
},
{
- "component": "Graphics: CanvasWebGL",
- "summary": "theweathernetwork.com - The map is populated slow compared to Chrome",
- "priority": "--",
"last_change_time": "2024-08-06T12:07:27Z",
- "severity": "--",
- "creation_time": "2024-07-04T11:59:12Z",
- "status": "NEW",
+ "priority": "--",
+ "summary": "theweathernetwork.com - The map is populated slow compared to Chrome",
+ "component": "Graphics: CanvasWebGL",
"id": 1906276,
"keywords": [],
- "op_sys": "All"
+ "op_sys": "All",
+ "creation_time": "2024-07-04T11:59:12Z",
+ "status": "NEW",
+ "severity": "--"
},
{
- "priority": "P2",
- "summary": "Very long resource loads for https://www.girince.com",
- "component": "Networking",
- "last_change_time": "2024-11-12T15:33:49Z",
+ "severity": "S3",
"status": "NEW",
"creation_time": "2024-07-08T19:41:13Z",
- "severity": "S3",
- "op_sys": "Unspecified",
+ "keywords": [],
"id": 1906733,
- "keywords": []
- },
- {
- "status": "NEW",
- "creation_time": "2024-08-01T04:11:19Z",
- "severity": "S3",
"op_sys": "Unspecified",
+ "component": "Networking",
+ "priority": "P2",
+ "summary": "Very long resource loads for https://www.girince.com",
+ "last_change_time": "2024-11-12T15:33:49Z"
+ },
+ {
+ "last_change_time": "2024-09-24T15:33:58Z",
+ "component": "Address Bar",
+ "summary": "Drag-and-drop of (large amount of) text on address bar causes 7s hang on the parent process",
+ "priority": "P2",
+ "id": 1911022,
"keywords": [
"perf",
"regression"
],
- "id": 1911022,
- "priority": "P2",
- "summary": "Drag-and-drop of (large amount of) text on address bar causes 7s hang on the parent process",
- "component": "Address Bar",
- "last_change_time": "2024-09-24T15:33:58Z"
+ "op_sys": "Unspecified",
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2024-08-01T04:11:19Z"
},
{
- "id": 1911035,
"keywords": [
"perf",
"top100"
],
+ "id": 1911035,
"op_sys": "Windows 10",
"severity": "S4",
- "status": "NEW",
"creation_time": "2024-08-01T07:49:52Z",
+ "status": "NEW",
"last_change_time": "2024-09-03T16:55:14Z",
"component": "JavaScript Engine: JIT",
- "priority": "P3",
- "summary": "msn.com - Gallery slideshow is laggy"
+ "summary": "msn.com - Gallery slideshow is laggy",
+ "priority": "P3"
},
{
- "last_change_time": "2024-11-18T20:31:28Z",
- "priority": "--",
- "summary": "Opening reddit posts spends a lot of time on the parent process Part2 (Followup to bug 1907701)",
"component": "Performance",
- "op_sys": "Unspecified",
+ "summary": "Opening reddit posts spends a lot of time on the parent process Part2 (Followup to bug 1907701)",
+ "priority": "--",
+ "last_change_time": "2024-11-18T20:31:28Z",
+ "severity": "S2",
+ "status": "NEW",
+ "creation_time": "2024-08-04T02:59:11Z",
"id": 1911450,
"keywords": [],
- "creation_time": "2024-08-04T02:59:11Z",
- "status": "NEW",
- "severity": "S2"
+ "op_sys": "Unspecified"
},
{
+ "last_change_time": "2024-11-13T18:11:42Z",
+ "component": "Graphics: Text",
"summary": "misskey.io - parent process hangs for seconds when newly opening or accessing the tab",
"priority": "--",
- "component": "Graphics: Text",
- "last_change_time": "2024-11-13T18:11:42Z",
- "creation_time": "2024-08-11T12:23:46Z",
- "status": "NEW",
- "severity": "S3",
- "op_sys": "Unspecified",
- "id": 1912660,
"keywords": [
"webcompat:site-report"
- ]
+ ],
+ "id": 1912660,
+ "op_sys": "Unspecified",
+ "severity": "S3",
+ "creation_time": "2024-08-11T12:23:46Z",
+ "status": "NEW"
},
{
- "severity": "S3",
- "status": "NEW",
- "creation_time": "2024-08-12T09:29:30Z",
+ "last_change_time": "2024-10-28T13:59:57Z",
+ "component": "Widget: Win32",
+ "priority": "P3",
+ "summary": "ebusiness.anb.com.sa - Page becomes unresponsive shortly after trying to enable location",
"op_sys": "Windows 10",
- "id": 1912721,
"keywords": [
"perf:responsiveness",
"reproducible",
"webcompat:needs-diagnosis",
"webcompat:site-report"
],
- "component": "Widget: Win32",
- "summary": "ebusiness.anb.com.sa - Page becomes unresponsive shortly after trying to enable location",
- "priority": "P3",
- "last_change_time": "2024-10-28T13:59:57Z"
+ "id": 1912721,
+ "severity": "S3",
+ "status": "NEW",
+ "creation_time": "2024-08-12T09:29:30Z"
},
{
- "priority": "P2",
- "summary": "Register allocation and Ion compile times are too slow on Android during Speedometer3",
- "component": "JavaScript Engine: JIT",
- "last_change_time": "2024-10-01T18:43:40Z",
"status": "NEW",
"creation_time": "2024-08-19T23:25:36Z",
"severity": "S4",
- "op_sys": "Unspecified",
+ "id": 1913842,
"keywords": [],
- "id": 1913842
+ "op_sys": "Unspecified",
+ "summary": "Register allocation and Ion compile times are too slow on Android during Speedometer3",
+ "priority": "P2",
+ "component": "JavaScript Engine: JIT",
+ "last_change_time": "2024-10-01T18:43:40Z"
},
{
- "severity": "--",
- "creation_time": "2024-09-11T01:02:57Z",
- "status": "NEW",
"op_sys": "Unspecified",
+ "id": 1918002,
"keywords": [
"perf:resource-use",
"perf:responsiveness",
"top50"
],
- "id": 1918002,
- "component": "General",
- "priority": "--",
+ "status": "NEW",
+ "creation_time": "2024-09-11T01:02:57Z",
+ "severity": "--",
+ "last_change_time": "2024-11-15T09:02:13Z",
"summary": "Twitch.tv continuously crashing only on Firefox and causing memory leak",
- "last_change_time": "2024-11-15T09:02:13Z"
+ "priority": "--",
+ "component": "General"
},
{
+ "component": "Performance",
+ "priority": "--",
+ "summary": "economia.gov.br - Page takes very long to load",
+ "last_change_time": "2024-10-07T18:55:14Z",
+ "severity": "--",
+ "creation_time": "2024-09-30T09:50:02Z",
+ "status": "NEW",
+ "id": 1921737,
"keywords": [
"perf:pageload",
"reproducible",
"webcompat:site-report"
],
- "id": 1921737,
- "op_sys": "Windows 10",
- "creation_time": "2024-09-30T09:50:02Z",
- "status": "NEW",
- "severity": "--",
- "last_change_time": "2024-10-07T18:55:14Z",
- "summary": "economia.gov.br - Page takes very long to load",
- "priority": "--",
- "component": "Performance"
+ "op_sys": "Windows 10"
},
{
- "last_change_time": "2024-10-29T16:11:55Z",
- "summary": "Loading big XML file makes Firefox and even the windows system unusable",
"priority": "--",
+ "summary": "Loading big XML file makes Firefox and even the windows system unusable",
"component": "XML",
- "op_sys": "Unspecified",
- "id": 1921956,
- "keywords": [],
+ "last_change_time": "2024-10-29T16:11:55Z",
"status": "NEW",
"creation_time": "2024-10-01T10:22:36Z",
- "severity": "S3"
+ "severity": "S3",
+ "id": 1921956,
+ "keywords": [],
+ "op_sys": "Unspecified"
},
{
- "last_change_time": "2024-11-01T15:52:08Z",
- "priority": "--",
- "summary": "Dutch Train planning websites significantly slower on Firefox compared to Chrome",
"component": "Performance",
- "op_sys": "Unspecified",
- "id": 1928530,
- "keywords": [],
+ "summary": "Dutch Train planning websites significantly slower on Firefox compared to Chrome",
+ "priority": "--",
+ "last_change_time": "2024-11-01T15:52:08Z",
+ "severity": "--",
"creation_time": "2024-10-31T21:38:32Z",
"status": "NEW",
- "severity": "--"
+ "op_sys": "Unspecified",
+ "id": 1928530,
+ "keywords": []
},
{
- "last_change_time": "2024-11-01T01:44:38Z",
- "component": "Performance",
- "priority": "--",
- "summary": "Navigating to an article on FiveThirtyEight is significantly slower in Firefox",
+ "op_sys": "Unspecified",
"keywords": [],
"id": 1928531,
- "op_sys": "Unspecified",
- "severity": "--",
"creation_time": "2024-10-31T21:57:01Z",
- "status": "NEW"
+ "status": "NEW",
+ "severity": "--",
+ "last_change_time": "2024-11-01T01:44:38Z",
+ "summary": "Navigating to an article on FiveThirtyEight is significantly slower in Firefox",
+ "priority": "--",
+ "component": "Performance"
},
{
"last_change_time": "2023-05-29T18:03:42Z",
- "summary": "Pathologically slow pdf rendering",
- "priority": "P3",
"component": "PDF Viewer",
+ "priority": "P3",
+ "summary": "Pathologically slow pdf rendering",
"op_sys": "All",
- "id": 1135277,
"keywords": [
"perf:pageload"
],
+ "id": 1135277,
+ "severity": "S3",
"status": "REOPENED",
- "creation_time": "2015-02-20T23:16:42Z",
- "severity": "S3"
+ "creation_time": "2015-02-20T23:16:42Z"
},
{
+ "component": "Graphics: WebRender",
+ "summary": "Animated page load throbber causes a permanent ~9% CPU load for Renderer threads of the main process",
+ "priority": "P3",
+ "last_change_time": "2024-10-14T15:23:46Z",
+ "severity": "S3",
"status": "REOPENED",
"creation_time": "2018-10-30T14:03:28Z",
- "severity": "S3",
+ "op_sys": "Unspecified",
"keywords": [
"perf:resource-use",
"power"
],
- "id": 1503259,
- "op_sys": "Unspecified",
- "summary": "Animated page load throbber causes a permanent ~9% CPU load for Renderer threads of the main process",
- "priority": "P3",
- "component": "Graphics: WebRender",
- "last_change_time": "2024-10-14T15:23:46Z"
+ "id": 1503259
},
{
- "priority": "P3",
- "summary": "Avoid collection during page load",
- "component": "JavaScript: GC",
"last_change_time": "2022-10-11T22:22:34Z",
- "creation_time": "2019-01-09T00:48:44Z",
- "status": "REOPENED",
- "severity": "S3",
- "op_sys": "Unspecified",
+ "component": "JavaScript: GC",
+ "summary": "Avoid collection during page load",
+ "priority": "P3",
"keywords": [
"perf:pageload"
],
- "id": 1518677
+ "id": 1518677,
+ "op_sys": "Unspecified",
+ "severity": "S3",
+ "status": "REOPENED",
+ "creation_time": "2019-01-09T00:48:44Z"
},
{
- "last_change_time": "2022-05-03T14:29:08Z",
- "component": "Audio/Video: GMP",
- "summary": "GMP initialization does main thread I/O at startup",
"priority": "P3",
+ "summary": "GMP initialization does main thread I/O at startup",
+ "component": "Audio/Video: GMP",
+ "last_change_time": "2022-05-03T14:29:08Z",
+ "status": "REOPENED",
+ "creation_time": "2019-01-25T19:00:18Z",
+ "severity": "--",
+ "id": 1522930,
"keywords": [
"perf:startup"
],
- "id": 1522930,
- "op_sys": "Unspecified",
- "severity": "--",
- "status": "REOPENED",
- "creation_time": "2019-01-25T19:00:18Z"
+ "op_sys": "Unspecified"
},
{
"last_change_time": "2024-04-18T12:18:07Z",
- "component": "Crash Reporting",
- "priority": "P3",
"summary": "MakeOrSetMinidumpPath shouldn't bother doing IO and just set the env var, leaving the crash reporter to create the minidumps folder if necessary",
+ "priority": "P3",
+ "component": "Crash Reporting",
"op_sys": "Unspecified",
"keywords": [
"main-thread-io",
@@ -4147,57 +4133,53 @@
"perf:startup"
],
"id": 1541603,
- "severity": "S3",
+ "creation_time": "2019-04-03T21:40:42Z",
"status": "REOPENED",
- "creation_time": "2019-04-03T21:40:42Z"
+ "severity": "S3"
},
{
- "creation_time": "2019-04-25T01:14:10Z",
- "status": "REOPENED",
"severity": "--",
+ "status": "REOPENED",
+ "creation_time": "2019-04-25T01:14:10Z",
+ "op_sys": "Unspecified",
"id": 1546847,
"keywords": [
"perf:responsiveness"
],
- "op_sys": "Unspecified",
+ "component": "Session Restore",
"summary": "Multi-second UI jank/freeze when serializing SessionStore",
"priority": "P2",
- "component": "Session Restore",
"last_change_time": "2024-11-15T17:58:21Z"
},
{
- "last_change_time": "2024-04-08T18:10:05Z",
- "component": "CSS Parsing and Computation",
- "summary": "Slow loading and closing of reddit posts on Moto G (XT1031)",
- "priority": "--",
+ "creation_time": "2020-04-15T22:49:40Z",
+ "status": "REOPENED",
+ "severity": "S3",
"id": 1630442,
"keywords": [
"perf:responsiveness"
],
"op_sys": "Android",
- "severity": "S3",
- "status": "REOPENED",
- "creation_time": "2020-04-15T22:49:40Z"
+ "summary": "Slow loading and closing of reddit posts on Moto G (XT1031)",
+ "priority": "--",
+ "component": "CSS Parsing and Computation",
+ "last_change_time": "2024-04-08T18:10:05Z"
},
{
+ "last_change_time": "2024-04-08T18:40:38Z",
+ "component": "Performance",
+ "priority": "P2",
+ "summary": "Firefox 79.0.5 struggles with reddit videos.",
"id": 1661594,
"keywords": [
"perf:responsiveness"
],
"op_sys": "Android",
- "status": "REOPENED",
- "creation_time": "2020-08-27T22:50:59Z",
"severity": "--",
- "last_change_time": "2024-04-08T18:40:38Z",
- "summary": "Firefox 79.0.5 struggles with reddit videos.",
- "priority": "P2",
- "component": "Performance"
+ "status": "REOPENED",
+ "creation_time": "2020-08-27T22:50:59Z"
},
{
- "last_change_time": "2022-03-02T16:44:06Z",
- "component": "Layout: Text and Fonts",
- "priority": "--",
- "summary": "3.95 - 3.85% wikipedia SpeedIndex / wikipedia FirstVisualChange + 1 more (Linux) regression on Fri June 25 2021",
"id": 1720068,
"keywords": [
"perf",
@@ -4206,446 +4188,448 @@
"regression"
],
"op_sys": "Unspecified",
- "severity": "S3",
+ "status": "REOPENED",
"creation_time": "2021-07-12T07:09:42Z",
- "status": "REOPENED"
+ "severity": "S3",
+ "last_change_time": "2022-03-02T16:44:06Z",
+ "priority": "--",
+ "summary": "3.95 - 3.85% wikipedia SpeedIndex / wikipedia FirstVisualChange + 1 more (Linux) regression on Fri June 25 2021",
+ "component": "Layout: Text and Fonts"
},
{
- "component": "CSS Transitions and Animations",
- "priority": "--",
- "summary": "CSS animation causing 60Hz restyles despite the current and next animation steps being identical",
- "last_change_time": "2022-03-02T16:44:56Z",
"severity": "S3",
- "status": "REOPENED",
"creation_time": "2021-08-25T16:03:34Z",
+ "status": "REOPENED",
"op_sys": "Unspecified",
"keywords": [
"perf:resource-use",
"power"
],
- "id": 1727584
+ "id": 1727584,
+ "component": "CSS Transitions and Animations",
+ "summary": "CSS animation causing 60Hz restyles despite the current and next animation steps being identical",
+ "priority": "--",
+ "last_change_time": "2022-03-02T16:44:56Z"
},
{
- "severity": "S3",
- "creation_time": "2022-05-07T10:27:28Z",
- "status": "REOPENED",
+ "id": 1768308,
"keywords": [
"nightly-community",
"perf:responsiveness",
"regression"
],
- "id": 1768308,
"op_sys": "Windows 10",
+ "severity": "S3",
+ "creation_time": "2022-05-07T10:27:28Z",
+ "status": "REOPENED",
+ "last_change_time": "2023-11-20T22:31:47Z",
"component": "Layout",
"summary": "Jank zooming/panning Google Maps due to not running refresh driver often enough",
- "priority": "P2",
- "last_change_time": "2023-11-20T22:31:47Z"
+ "priority": "P2"
},
{
- "component": "Graphics: WebRender",
- "priority": "--",
- "summary": "Viewing large PDF causes persistent high CPU and makes Firefox UI unresponsive",
- "last_change_time": "2024-06-06T14:07:51Z",
- "severity": "S3",
- "creation_time": "2023-06-16T13:13:12Z",
- "status": "REOPENED",
+ "id": 1838865,
"keywords": [
"perf:resource-use",
"reproducible"
],
- "id": 1838865,
- "op_sys": "Unspecified"
+ "op_sys": "Unspecified",
+ "severity": "S3",
+ "status": "REOPENED",
+ "creation_time": "2023-06-16T13:13:12Z",
+ "last_change_time": "2024-06-06T14:07:51Z",
+ "component": "Graphics: WebRender",
+ "priority": "--",
+ "summary": "Viewing large PDF causes persistent high CPU and makes Firefox UI unresponsive"
},
{
+ "status": "UNCONFIRMED",
+ "creation_time": "2016-11-28T18:57:11Z",
+ "severity": "S3",
"op_sys": "Unspecified",
"keywords": [
"perf"
],
"id": 1320745,
- "creation_time": "2016-11-28T18:57:11Z",
- "status": "UNCONFIRMED",
- "severity": "S3",
- "last_change_time": "2024-05-17T20:27:45Z",
"summary": "Download speeds limited on gigabit internet connection",
"priority": "P3",
- "component": "Networking"
+ "component": "Networking",
+ "last_change_time": "2024-05-17T20:27:45Z"
},
{
"op_sys": "macOS",
"keywords": [],
"id": 1519622,
+ "severity": "S3",
"status": "UNCONFIRMED",
"creation_time": "2019-01-12T11:08:04Z",
- "severity": "S3",
"last_change_time": "2022-10-11T22:23:23Z",
- "summary": "Bad performance on https://musicmap.info when zooming with webrender enabled (svg/blob)",
+ "component": "Graphics: WebRender",
"priority": "P3",
- "component": "Graphics: WebRender"
+ "summary": "Bad performance on https://musicmap.info when zooming with webrender enabled (svg/blob)"
},
{
+ "last_change_time": "2022-10-11T23:32:50Z",
"component": "Session Restore",
- "summary": "hanging + keyboard malfunction",
"priority": "P3",
- "last_change_time": "2022-10-11T23:32:50Z",
- "severity": "S3",
- "creation_time": "2019-11-05T02:17:38Z",
- "status": "UNCONFIRMED",
+ "summary": "hanging + keyboard malfunction",
+ "op_sys": "Unspecified",
"keywords": [
"hang",
"perf:responsiveness"
],
"id": 1593876,
- "op_sys": "Unspecified"
+ "severity": "S3",
+ "creation_time": "2019-11-05T02:17:38Z",
+ "status": "UNCONFIRMED"
},
{
- "summary": "Firefox tab freezes when a huge log is displayed on Github Actions",
- "priority": "P2",
- "component": "Performance",
- "last_change_time": "2022-10-12T00:04:08Z",
- "status": "UNCONFIRMED",
- "creation_time": "2020-03-13T23:15:04Z",
- "severity": "S3",
+ "op_sys": "Unspecified",
"id": 1622455,
"keywords": [
"hang",
"perf:responsiveness"
],
- "op_sys": "Unspecified"
+ "severity": "S3",
+ "creation_time": "2020-03-13T23:15:04Z",
+ "status": "UNCONFIRMED",
+ "last_change_time": "2022-10-12T00:04:08Z",
+ "component": "Performance",
+ "priority": "P2",
+ "summary": "Firefox tab freezes when a huge log is displayed on Github Actions"
},
{
- "status": "UNCONFIRMED",
- "creation_time": "2020-03-18T18:44:06Z",
- "severity": "--",
- "op_sys": "Unspecified",
- "id": 1623408,
"keywords": [
"perf:responsiveness"
],
- "summary": "Restoring Previous Session is sluggish",
+ "id": 1623408,
+ "op_sys": "Unspecified",
+ "creation_time": "2020-03-18T18:44:06Z",
+ "status": "UNCONFIRMED",
+ "severity": "--",
+ "last_change_time": "2022-04-07T16:19:10Z",
"priority": "P2",
- "component": "Performance",
- "last_change_time": "2022-04-07T16:19:10Z"
+ "summary": "Restoring Previous Session is sluggish",
+ "component": "Performance"
},
{
+ "op_sys": "Unspecified",
+ "id": 1662811,
"keywords": [
"perf:responsiveness"
],
- "id": 1662811,
- "op_sys": "Unspecified",
- "severity": "S3",
"status": "UNCONFIRMED",
"creation_time": "2020-09-02T16:22:49Z",
+ "severity": "S3",
"last_change_time": "2022-10-24T11:19:14Z",
- "component": "Graphics: CanvasWebGL",
+ "priority": "--",
"summary": "Inconsistent & fluctuating FPS on webgl based sites",
- "priority": "--"
+ "component": "Graphics: CanvasWebGL"
},
{
- "last_change_time": "2023-03-14T15:28:15Z",
- "priority": "--",
- "summary": "Firefox slowing down to a crawl when using Whatsapp Web for several days",
- "component": "Performance",
+ "status": "UNCONFIRMED",
+ "creation_time": "2020-11-20T03:36:45Z",
+ "severity": "--",
+ "id": 1678512,
"keywords": [
"perf:responsiveness"
],
- "id": 1678512,
"op_sys": "Unspecified",
- "status": "UNCONFIRMED",
- "creation_time": "2020-11-20T03:36:45Z",
- "severity": "--"
+ "summary": "Firefox slowing down to a crawl when using Whatsapp Web for several days",
+ "priority": "--",
+ "component": "Performance",
+ "last_change_time": "2023-03-14T15:28:15Z"
},
{
"severity": "S3",
- "creation_time": "2021-02-22T11:25:53Z",
"status": "UNCONFIRMED",
- "op_sys": "Windows 10",
- "id": 1694126,
+ "creation_time": "2021-02-22T11:25:53Z",
"keywords": [
"perf:responsiveness"
],
+ "id": 1694126,
+ "op_sys": "Windows 10",
"component": "Performance",
"priority": "P3",
"summary": "Drafting longer e-mails in outlook.office.com frequently freezes / slowdowns, due to spell check / ProofingPlugin.js?",
"last_change_time": "2022-03-02T16:42:48Z"
},
{
- "last_change_time": "2024-04-25T09:02:49Z",
"component": "Performance",
- "priority": "P2",
"summary": "High CPU usage on youtube",
- "op_sys": "Unspecified",
- "id": 1717016,
+ "priority": "P2",
+ "last_change_time": "2024-04-25T09:02:49Z",
+ "severity": "--",
+ "status": "UNCONFIRMED",
+ "creation_time": "2021-06-17T14:00:43Z",
"keywords": [
"perf:resource-use"
],
- "severity": "--",
- "status": "UNCONFIRMED",
- "creation_time": "2021-06-17T14:00:43Z"
+ "id": 1717016,
+ "op_sys": "Unspecified"
},
{
- "op_sys": "Unspecified",
+ "severity": "--",
+ "creation_time": "2021-07-13T00:25:13Z",
+ "status": "UNCONFIRMED",
"keywords": [
"perf:responsiveness"
],
"id": 1720236,
- "creation_time": "2021-07-13T00:25:13Z",
- "status": "UNCONFIRMED",
- "severity": "--",
- "last_change_time": "2022-04-07T16:24:29Z",
- "summary": "Certain articles on lanacion.com.ar slow down Firefox a lot, or cause it to become unresponsive if read on inoreader.com (RSS reader)",
+ "op_sys": "Unspecified",
+ "component": "Performance",
"priority": "P2",
- "component": "Performance"
+ "summary": "Certain articles on lanacion.com.ar slow down Firefox a lot, or cause it to become unresponsive if read on inoreader.com (RSS reader)",
+ "last_change_time": "2022-04-07T16:24:29Z"
},
{
- "priority": "P3",
- "summary": "Firefox 94 Download Speed Less Than Half Of Google Chrome",
- "component": "Networking: HTTP",
- "last_change_time": "2024-03-05T10:49:50Z",
- "creation_time": "2021-11-02T16:37:39Z",
- "status": "UNCONFIRMED",
"severity": "S3",
+ "status": "UNCONFIRMED",
+ "creation_time": "2021-11-02T16:37:39Z",
"id": 1738939,
"keywords": [
"parity-chrome",
"perf"
],
- "op_sys": "Unspecified"
+ "op_sys": "Unspecified",
+ "component": "Networking: HTTP",
+ "summary": "Firefox 94 Download Speed Less Than Half Of Google Chrome",
+ "priority": "P3",
+ "last_change_time": "2024-03-05T10:49:50Z"
},
{
+ "last_change_time": "2023-03-30T22:28:37Z",
+ "summary": "https://acko.net/files/slacko/ is very slow when scrolling, much jank",
+ "priority": "P2",
+ "component": "Graphics: WebRender",
+ "op_sys": "Unspecified",
"id": 1745050,
"keywords": [
"perf:responsiveness"
],
- "op_sys": "Unspecified",
- "status": "UNCONFIRMED",
"creation_time": "2021-12-08T21:14:00Z",
- "severity": "S3",
- "last_change_time": "2023-03-30T22:28:37Z",
- "summary": "https://acko.net/files/slacko/ is very slow when scrolling, much jank",
- "priority": "P2",
- "component": "Graphics: WebRender"
+ "status": "UNCONFIRMED",
+ "severity": "S3"
},
{
- "last_change_time": "2022-08-06T02:57:02Z",
- "component": "Performance",
- "priority": "--",
- "summary": "Insane memory usage & incorrect reporting on Emscripten website",
- "op_sys": "Unspecified",
"keywords": [
"perf:resource-use"
],
"id": 1750144,
+ "op_sys": "Unspecified",
"severity": "--",
+ "status": "UNCONFIRMED",
"creation_time": "2022-01-14T04:25:05Z",
- "status": "UNCONFIRMED"
+ "last_change_time": "2022-08-06T02:57:02Z",
+ "component": "Performance",
+ "priority": "--",
+ "summary": "Insane memory usage & incorrect reporting on Emscripten website"
},
{
+ "summary": "Extreme CPU usage in chrome process and pervasive responsiveness issues",
+ "priority": "--",
+ "component": "Performance",
+ "last_change_time": "2023-03-16T10:43:46Z",
"creation_time": "2023-01-23T18:54:28Z",
"status": "UNCONFIRMED",
"severity": "--",
- "op_sys": "Linux",
"id": 1811910,
"keywords": [
"perf:resource-use",
"perf:responsiveness"
],
- "summary": "Extreme CPU usage in chrome process and pervasive responsiveness issues",
- "priority": "--",
- "component": "Performance",
- "last_change_time": "2023-03-16T10:43:46Z"
+ "op_sys": "Linux"
},
{
- "last_change_time": "2023-05-08T22:43:51Z",
- "summary": "High memory and CPU usage with many tabs and no tab unloading",
- "priority": "--",
- "component": "Performance",
+ "status": "UNCONFIRMED",
+ "creation_time": "2023-04-30T02:13:08Z",
+ "severity": "--",
"keywords": [
"perf:resource-use",
"perf:responsiveness"
],
"id": 1830648,
"op_sys": "Linux",
- "creation_time": "2023-04-30T02:13:08Z",
- "status": "UNCONFIRMED",
- "severity": "--"
+ "summary": "High memory and CPU usage with many tabs and no tab unloading",
+ "priority": "--",
+ "component": "Performance",
+ "last_change_time": "2023-05-08T22:43:51Z"
},
{
- "creation_time": "2023-06-13T12:38:04Z",
- "status": "UNCONFIRMED",
+ "component": "Audio/Video",
+ "priority": "--",
+ "summary": "Firefox Performance issue",
+ "last_change_time": "2024-06-28T12:09:32Z",
"severity": "--",
- "id": 1838205,
+ "status": "UNCONFIRMED",
+ "creation_time": "2023-06-13T12:38:04Z",
"keywords": [
"perf:resource-use",
"top50"
],
- "op_sys": "Unspecified",
- "summary": "Firefox Performance issue",
- "priority": "--",
- "component": "Audio/Video",
- "last_change_time": "2024-06-28T12:09:32Z"
+ "id": 1838205,
+ "op_sys": "Unspecified"
},
{
- "summary": "DomCache(?) slowing Youtube loading/browsing",
- "priority": "P3",
- "component": "Storage: Cache API",
- "last_change_time": "2024-11-08T15:51:01Z",
+ "keywords": [],
+ "id": 1840725,
+ "op_sys": "Unspecified",
+ "severity": "S3",
"status": "UNCONFIRMED",
"creation_time": "2023-06-27T21:55:16Z",
- "severity": "S3",
- "id": 1840725,
- "keywords": [],
- "op_sys": "Unspecified"
+ "last_change_time": "2024-11-08T15:51:01Z",
+ "component": "Storage: Cache API",
+ "summary": "DomCache(?) slowing Youtube loading/browsing",
+ "priority": "P3"
},
{
- "severity": "--",
- "creation_time": "2023-07-04T14:45:31Z",
- "status": "UNCONFIRMED",
+ "last_change_time": "2024-01-08T23:18:09Z",
+ "summary": "'tup' cookie causes laggy/janky Google Maps performance when dragging",
+ "priority": "--",
+ "component": "Performance",
"op_sys": "Unspecified",
- "id": 1841643,
"keywords": [
"perf:animation",
"perf:responsiveness",
"top50"
],
- "component": "Performance",
- "priority": "--",
- "summary": "'tup' cookie causes laggy/janky Google Maps performance when dragging",
- "last_change_time": "2024-01-08T23:18:09Z"
+ "id": 1841643,
+ "creation_time": "2023-07-04T14:45:31Z",
+ "status": "UNCONFIRMED",
+ "severity": "--"
},
{
- "id": 1847838,
"keywords": [
"perf:resource-use",
"perf:responsiveness"
],
+ "id": 1847838,
"op_sys": "Unspecified",
- "creation_time": "2023-08-08T21:57:22Z",
- "status": "UNCONFIRMED",
"severity": "--",
+ "status": "UNCONFIRMED",
+ "creation_time": "2023-08-08T21:57:22Z",
"last_change_time": "2023-09-07T16:42:18Z",
+ "component": "Performance",
"summary": "memory",
- "priority": "--",
- "component": "Performance"
+ "priority": "--"
},
{
- "component": "Performance",
- "priority": "P5",
- "summary": "Very slow time to first page load when opening Fenix with hundreds of tabs",
- "last_change_time": "2024-11-08T16:09:07Z",
- "severity": "S4",
- "creation_time": "2023-12-15T22:43:19Z",
- "status": "UNCONFIRMED",
"id": 1870405,
"keywords": [
"perf:pageload",
"perf:responsiveness",
"perf:startup"
],
- "op_sys": "Android"
+ "op_sys": "Android",
+ "creation_time": "2023-12-15T22:43:19Z",
+ "status": "UNCONFIRMED",
+ "severity": "S4",
+ "last_change_time": "2024-11-08T16:09:07Z",
+ "summary": "Very slow time to first page load when opening Fenix with hundreds of tabs",
+ "priority": "P5",
+ "component": "Performance"
},
{
- "last_change_time": "2024-10-08T17:34:51Z",
- "priority": "--",
- "summary": "Ram memory leak",
- "component": "Performance",
- "id": 1881147,
+ "op_sys": "Unspecified",
"keywords": [
"perf:resource-use"
],
- "op_sys": "Unspecified",
+ "id": 1881147,
+ "severity": "--",
"creation_time": "2024-02-20T23:03:34Z",
"status": "UNCONFIRMED",
- "severity": "--"
- },
- {
- "op_sys": "Unspecified",
- "id": 1888064,
- "keywords": [],
+ "last_change_time": "2024-10-08T17:34:51Z",
+ "component": "Performance",
+ "summary": "Ram memory leak",
+ "priority": "--"
+ },
+ {
+ "component": "Networking",
+ "summary": "Firefox takes a long time to start prior to Load a Website",
+ "priority": "--",
+ "last_change_time": "2024-08-26T19:20:39Z",
"severity": "--",
"status": "UNCONFIRMED",
"creation_time": "2024-03-27T06:53:29Z",
- "last_change_time": "2024-08-26T19:20:39Z",
- "component": "Networking",
- "priority": "--",
- "summary": "Firefox takes a long time to start prior to Load a Website"
+ "op_sys": "Unspecified",
+ "keywords": [],
+ "id": 1888064
},
{
- "last_change_time": "2024-10-08T17:35:21Z",
+ "severity": "--",
+ "creation_time": "2024-04-15T04:46:16Z",
+ "status": "UNCONFIRMED",
+ "keywords": [],
+ "id": 1891411,
+ "op_sys": "Unspecified",
"component": "Performance",
"priority": "--",
"summary": "Very high memory usage(95%) by a single website",
- "op_sys": "Unspecified",
- "keywords": [],
- "id": 1891411,
- "severity": "--",
- "status": "UNCONFIRMED",
- "creation_time": "2024-04-15T04:46:16Z"
+ "last_change_time": "2024-10-08T17:35:21Z"
}
]
},
"low": {
"bugs": [
{
- "component": "Performance",
- "id": 1522282,
"priority": "P1",
- "summary": "Delayed image loading on low end ARM devices",
- "severity": "S3",
"status": "ASSIGNED",
+ "severity": "S3",
+ "summary": "Delayed image loading on low end ARM devices",
+ "id": 1522282,
+ "component": "Performance",
+ "last_change_time": "2023-02-22T21:45:14Z",
+ "op_sys": "Android",
"keywords": [
"perf:pageload"
],
- "creation_time": "2019-01-23T21:52:44Z",
- "op_sys": "Android",
- "last_change_time": "2023-02-22T21:45:14Z"
+ "creation_time": "2019-01-23T21:52:44Z"
},
{
- "priority": "P3",
"summary": "Investigate merging shader cache files",
"severity": "S3",
"status": "ASSIGNED",
+ "priority": "P3",
"component": "Graphics",
"id": 1631949,
"last_change_time": "2022-10-12T00:08:45Z",
"op_sys": "Unspecified",
+ "creation_time": "2020-04-21T20:52:29Z",
"keywords": [
"perf:startup"
- ],
- "creation_time": "2020-04-21T20:52:29Z"
+ ]
},
{
- "component": "JavaScript Engine",
- "id": 1845775,
- "priority": "P3",
"summary": "Google blog page loads very slowly and often fails to fully load",
"status": "ASSIGNED",
"severity": "S2",
+ "priority": "P3",
+ "component": "JavaScript Engine",
+ "id": 1845775,
+ "op_sys": "Unspecified",
+ "last_change_time": "2024-10-29T19:43:16Z",
+ "creation_time": "2023-07-27T16:40:28Z",
"keywords": [
"webcompat:platform-bug",
"webcompat:site-report"
- ],
- "creation_time": "2023-07-27T16:40:28Z",
- "last_change_time": "2024-10-29T19:43:16Z",
- "op_sys": "Unspecified"
+ ]
},
{
- "summary": "Poor performance using bookmarks menu with large amounts of bookmarks.",
- "status": "NEW",
- "severity": "S3",
- "priority": "P3",
- "component": "Bookmarks & History",
- "id": 486378,
"last_change_time": "2023-05-16T02:23:47Z",
"op_sys": "Windows Vista",
"creation_time": "2009-04-01T20:00:41Z",
"keywords": [
"blocked-ux",
"perf"
- ]
+ ],
+ "summary": "Poor performance using bookmarks menu with large amounts of bookmarks.",
+ "severity": "S3",
+ "status": "NEW",
+ "priority": "P3",
+ "component": "Bookmarks & History",
+ "id": 486378
},
{
- "op_sys": "All",
- "last_change_time": "2024-03-22T08:26:57Z",
"keywords": [
"main-thread-io",
"meta",
@@ -4654,58 +4638,60 @@
"perf:responsiveness"
],
"creation_time": "2009-04-29T22:35:30Z",
+ "op_sys": "All",
+ "last_change_time": "2024-03-22T08:26:57Z",
+ "id": 490714,
+ "component": "Places",
"priority": "P3",
"severity": "N/A",
"status": "NEW",
- "summary": "[meta] Implement an Asynchronous API for opening container query nodes",
- "id": 490714,
- "component": "Places"
+ "summary": "[meta] Implement an Asynchronous API for opening container query nodes"
},
{
+ "priority": "--",
+ "summary": "{inc} Resizing window is slow for long list with multicol (from \"-moz-column-count: 3\" or \"column-width: 20em;\")",
+ "status": "NEW",
+ "severity": "S3",
+ "component": "Layout: Columns",
+ "id": 575614,
+ "op_sys": "All",
+ "last_change_time": "2022-10-10T22:59:55Z",
"keywords": [
"perf",
"perf:responsiveness",
"testcase"
],
- "creation_time": "2010-06-29T14:36:04Z",
- "last_change_time": "2022-10-10T22:59:55Z",
- "op_sys": "All",
- "id": 575614,
- "component": "Layout: Columns",
- "priority": "--",
- "severity": "S3",
- "status": "NEW",
- "summary": "{inc} Resizing window is slow for long list with multicol (from \"-moz-column-count: 3\" or \"column-width: 20em;\")"
+ "creation_time": "2010-06-29T14:36:04Z"
},
{
- "component": "XPConnect",
- "id": 613498,
- "priority": "--",
"summary": "Very slow chrome to content DOM access",
"severity": "S3",
"status": "NEW",
+ "priority": "--",
+ "component": "XPConnect",
+ "id": 613498,
+ "op_sys": "macOS",
+ "last_change_time": "2022-10-10T23:12:27Z",
+ "creation_time": "2010-11-19T15:34:28Z",
"keywords": [
"perf",
"perf:pageload"
- ],
- "creation_time": "2010-11-19T15:34:28Z",
- "op_sys": "macOS",
- "last_change_time": "2022-10-10T23:12:27Z"
+ ]
},
{
- "status": "NEW",
+ "id": 646937,
+ "component": "Widget",
"severity": "S3",
+ "status": "NEW",
"summary": "throttle animation in completely obscured windows (virtual desktop, minimised, hidden behind other fullscreened windows)",
"priority": "P3",
- "id": 646937,
- "component": "Widget",
- "last_change_time": "2022-10-10T23:24:13Z",
- "op_sys": "Linux",
"creation_time": "2011-03-31T18:37:55Z",
"keywords": [
"perf",
"perf:resource-use"
- ]
+ ],
+ "op_sys": "Linux",
+ "last_change_time": "2022-10-10T23:24:13Z"
},
{
"keywords": [
@@ -4723,266 +4709,266 @@
"severity": "S3"
},
{
- "component": "Graphics: WebRender",
- "id": 711924,
- "priority": "--",
- "summary": "Compositing/present still hapens when the only changing parts are out of the viewport",
- "severity": "S3",
- "status": "NEW",
+ "op_sys": "All",
+ "last_change_time": "2024-04-08T16:58:41Z",
"keywords": [
"perf",
"perf:resource-use"
],
"creation_time": "2011-12-19T09:05:20Z",
- "last_change_time": "2024-04-08T16:58:41Z",
- "op_sys": "All"
+ "priority": "--",
+ "status": "NEW",
+ "severity": "S3",
+ "summary": "Compositing/present still hapens when the only changing parts are out of the viewport",
+ "id": 711924,
+ "component": "Graphics: WebRender"
},
{
- "op_sys": "All",
- "last_change_time": "2024-04-05T11:37:58Z",
+ "id": 760888,
+ "component": "Graphics: Canvas2D",
+ "severity": "S3",
+ "status": "NEW",
+ "summary": "IE10 Test Drive: ParticleAcceleration Canvas 2D demo is slow",
+ "priority": "--",
"creation_time": "2012-06-03T03:18:54Z",
"keywords": [
"perf"
],
- "summary": "IE10 Test Drive: ParticleAcceleration Canvas 2D demo is slow",
- "severity": "S3",
- "status": "NEW",
- "priority": "--",
- "component": "Graphics: Canvas2D",
- "id": 760888
+ "last_change_time": "2024-04-05T11:37:58Z",
+ "op_sys": "All"
},
{
- "priority": "P3",
- "summary": "We appear to be copying large data URIs over and over in nsSimpleURI.",
- "status": "NEW",
- "severity": "S3",
- "component": "Networking",
- "id": 803709,
- "op_sys": "All",
- "last_change_time": "2023-06-05T16:31:57Z",
+ "creation_time": "2012-10-19T21:25:22Z",
"keywords": [
"perf:resource-use"
],
- "creation_time": "2012-10-19T21:25:22Z"
+ "last_change_time": "2023-06-05T16:31:57Z",
+ "op_sys": "All",
+ "component": "Networking",
+ "id": 803709,
+ "summary": "We appear to be copying large data URIs over and over in nsSimpleURI.",
+ "status": "NEW",
+ "severity": "S3",
+ "priority": "P3"
},
{
+ "last_change_time": "2023-06-23T03:10:06Z",
+ "op_sys": "Linux",
"keywords": [
"perf:responsiveness"
],
"creation_time": "2012-11-09T08:29:30Z",
- "last_change_time": "2023-06-23T03:10:06Z",
- "op_sys": "Linux",
- "id": 810214,
- "component": "PDF Viewer",
"priority": "P3",
+ "summary": "Processing http://lib.tkk.fi/Dipl/2002/urn007413.pdf is slow, and its text layer is all messed up",
"severity": "S3",
"status": "NEW",
- "summary": "Processing http://lib.tkk.fi/Dipl/2002/urn007413.pdf is slow, and its text layer is all messed up"
+ "component": "PDF Viewer",
+ "id": 810214
},
{
- "priority": "--",
- "summary": "janky Scrolling on smartsheet.com Sheets",
- "status": "NEW",
- "severity": "S3",
- "component": "CSS Parsing and Computation",
- "id": 821693,
- "op_sys": "Windows 7",
- "last_change_time": "2023-03-01T12:04:23Z",
"keywords": [
"perf",
"perf:responsiveness"
],
- "creation_time": "2012-12-14T13:46:12Z"
+ "creation_time": "2012-12-14T13:46:12Z",
+ "last_change_time": "2023-03-01T12:04:23Z",
+ "op_sys": "Windows 7",
+ "component": "CSS Parsing and Computation",
+ "id": 821693,
+ "priority": "--",
+ "summary": "janky Scrolling on smartsheet.com Sheets",
+ "severity": "S3",
+ "status": "NEW"
},
{
- "severity": "S3",
- "status": "NEW",
- "summary": "nsIconChannel::AsyncOpen can block",
- "priority": "--",
- "id": 827440,
- "component": "Graphics: ImageLib",
"last_change_time": "2022-11-24T06:34:31Z",
"op_sys": "Windows 7",
- "creation_time": "2013-01-07T19:06:03Z",
"keywords": [
"perf"
- ]
+ ],
+ "creation_time": "2013-01-07T19:06:03Z",
+ "priority": "--",
+ "severity": "S3",
+ "status": "NEW",
+ "summary": "nsIconChannel::AsyncOpen can block",
+ "id": 827440,
+ "component": "Graphics: ImageLib"
},
{
"component": "Layout",
"id": 827937,
"summary": "Opening huge mercurial long commit page freezing Firefox",
- "status": "NEW",
"severity": "S3",
+ "status": "NEW",
"priority": "--",
"creation_time": "2013-01-08T19:17:33Z",
"keywords": [
"perf"
],
- "op_sys": "Windows 8",
- "last_change_time": "2022-10-29T12:12:42Z"
+ "last_change_time": "2022-10-29T12:12:42Z",
+ "op_sys": "Windows 8"
},
{
"id": 830504,
"component": "SQLite and Embedded Database Bindings",
"priority": "P3",
- "severity": "S3",
"status": "NEW",
+ "severity": "S3",
"summary": "Firefox should abort on tryserver when executing SQL on the main thread",
"keywords": [
"perf:frontend",
"perf:responsiveness"
],
"creation_time": "2013-01-14T22:07:19Z",
- "last_change_time": "2024-08-20T19:28:43Z",
- "op_sys": "All"
+ "op_sys": "All",
+ "last_change_time": "2024-08-20T19:28:43Z"
},
{
- "last_change_time": "2023-05-16T02:22:53Z",
- "op_sys": "All",
"creation_time": "2013-02-05T02:16:08Z",
"keywords": [
"main-thread-io",
"perf:frontend"
],
- "summary": "Use IOUtils for gLastOpenDirectory",
- "status": "NEW",
- "severity": "S3",
- "priority": "--",
+ "last_change_time": "2023-05-16T02:22:53Z",
+ "op_sys": "All",
+ "id": 837989,
"component": "General",
- "id": 837989
- },
- {
- "component": "Networking: File",
- "id": 862383,
- "priority": "P3",
- "summary": "nsFileChannel::nsFileChannel causes expensive lstats",
"severity": "S3",
"status": "NEW",
+ "summary": "Use IOUtils for gLastOpenDirectory",
+ "priority": "--"
+ },
+ {
"keywords": [
"main-thread-io",
"perf:responsiveness"
],
"creation_time": "2013-04-16T15:29:21Z",
+ "op_sys": "macOS",
"last_change_time": "2024-03-27T16:10:09Z",
- "op_sys": "macOS"
- },
- {
+ "id": 862383,
+ "component": "Networking: File",
"priority": "P3",
- "summary": "nsIOService::NewFileURI is doing main thread IO and causes jank",
"status": "NEW",
"severity": "S3",
- "component": "Networking",
- "id": 890712,
- "last_change_time": "2024-04-01T16:26:36Z",
- "op_sys": "All",
+ "summary": "nsFileChannel::nsFileChannel causes expensive lstats"
+ },
+ {
"keywords": [
"main-thread-io",
"perf",
"perf:frontend"
],
- "creation_time": "2013-07-07T15:57:11Z"
+ "creation_time": "2013-07-07T15:57:11Z",
+ "last_change_time": "2024-04-01T16:26:36Z",
+ "op_sys": "All",
+ "id": 890712,
+ "component": "Networking",
+ "priority": "P3",
+ "status": "NEW",
+ "severity": "S3",
+ "summary": "nsIOService::NewFileURI is doing main thread IO and causes jank"
},
{
"id": 914595,
"component": "Layout",
- "priority": "--",
"status": "NEW",
"severity": "S3",
"summary": "Polygon.com page scrolling becomes extremely slow after a while",
+ "priority": "--",
+ "creation_time": "2013-09-10T12:49:00Z",
"keywords": [
"perf"
],
- "creation_time": "2013-09-10T12:49:00Z",
"last_change_time": "2023-07-27T07:06:57Z",
"op_sys": "All"
},
{
- "priority": "--",
- "status": "NEW",
- "severity": "S3",
- "summary": "Visibility state is not updated when the browser window is obscured or on another workspace",
- "id": 917090,
- "component": "General",
- "last_change_time": "2022-10-11T01:07:35Z",
- "op_sys": "All",
+ "creation_time": "2013-09-17T02:34:03Z",
"keywords": [
"perf:resource-use"
],
- "creation_time": "2013-09-17T02:34:03Z"
+ "last_change_time": "2022-10-11T01:07:35Z",
+ "op_sys": "All",
+ "id": 917090,
+ "component": "General",
+ "severity": "S3",
+ "status": "NEW",
+ "summary": "Visibility state is not updated when the browser window is obscured or on another workspace",
+ "priority": "--"
},
{
"keywords": [
"perf"
],
"creation_time": "2014-03-18T00:14:52Z",
- "last_change_time": "2022-10-24T12:16:02Z",
"op_sys": "Linux",
- "component": "Layout",
+ "last_change_time": "2022-10-24T12:16:02Z",
"id": 984690,
+ "component": "Layout",
"priority": "--",
- "summary": "Optimize GetRootPresContext() to avoid going through the viewmanager / view tree",
+ "status": "NEW",
"severity": "S3",
- "status": "NEW"
+ "summary": "Optimize GetRootPresContext() to avoid going through the viewmanager / view tree"
},
{
- "priority": "--",
- "summary": "Preload panel contents on hover of toolbar button",
- "status": "NEW",
- "severity": "S3",
- "component": "Toolbars and Customization",
- "id": 1023152,
- "op_sys": "All",
- "last_change_time": "2023-07-19T04:52:40Z",
+ "creation_time": "2014-06-10T10:02:00Z",
"keywords": [
"perf:frontend"
],
- "creation_time": "2014-06-10T10:02:00Z"
+ "last_change_time": "2023-07-19T04:52:40Z",
+ "op_sys": "All",
+ "component": "Toolbars and Customization",
+ "id": 1023152,
+ "summary": "Preload panel contents on hover of toolbar button",
+ "severity": "S3",
+ "status": "NEW",
+ "priority": "--"
},
{
"component": "Places",
"id": 1047817,
- "priority": "P3",
"summary": "Make bookmarks toolbar view use async openContainer",
- "severity": "S3",
"status": "NEW",
+ "severity": "S3",
+ "priority": "P3",
+ "creation_time": "2014-08-02T09:50:40Z",
"keywords": [
"perf:frontend"
],
- "creation_time": "2014-08-02T09:50:40Z",
- "op_sys": "All",
- "last_change_time": "2023-05-11T18:04:55Z"
+ "last_change_time": "2023-05-11T18:04:55Z",
+ "op_sys": "All"
},
{
- "id": 1097376,
- "component": "JavaScript Engine",
- "severity": "S3",
- "status": "NEW",
- "summary": "Poor performance in Ember app Discourse",
- "priority": "--",
+ "op_sys": "Android",
+ "last_change_time": "2022-10-11T15:57:30Z",
"creation_time": "2014-11-12T00:22:19Z",
"keywords": [
"perf"
],
- "op_sys": "Android",
- "last_change_time": "2022-10-11T15:57:30Z"
+ "status": "NEW",
+ "severity": "S3",
+ "summary": "Poor performance in Ember app Discourse",
+ "priority": "--",
+ "id": 1097376,
+ "component": "JavaScript Engine"
},
{
- "op_sys": "All",
+ "priority": "P5",
+ "summary": "[e10s] There is a delay for about 1 seconds to display