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Tableview widget janks execessively with >250k rows #138271
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flutter/packages
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P2Important issues not at the top of the work listImportant issues not at the top of the work listc: performanceRelates to speed or footprint issues (see "perf:" labels)Relates to speed or footprint issues (see "perf:" labels)f: scrollingViewports, list views, slivers, etc.Viewports, list views, slivers, etc.found in release: 3.13Found to occur in 3.13Found to occur in 3.13found in release: 3.17Found to occur in 3.17Found to occur in 3.17frameworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.has reproducible stepsThe issue has been confirmed reproducible and is ready to work onThe issue has been confirmed reproducible and is ready to work onp: two_dimensional_scrollablesIssues pertaining to the two_dimensional_scrollables packageIssues pertaining to the two_dimensional_scrollables packagepackageflutter/packages repository. See also p: labels.flutter/packages repository. See also p: labels.team-frameworkOwned by Framework teamOwned by Framework teamtriaged-frameworkTriaged by Framework teamTriaged by Framework team
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P2Important issues not at the top of the work listImportant issues not at the top of the work listc: performanceRelates to speed or footprint issues (see "perf:" labels)Relates to speed or footprint issues (see "perf:" labels)f: scrollingViewports, list views, slivers, etc.Viewports, list views, slivers, etc.found in release: 3.13Found to occur in 3.13Found to occur in 3.13found in release: 3.17Found to occur in 3.17Found to occur in 3.17frameworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.has reproducible stepsThe issue has been confirmed reproducible and is ready to work onThe issue has been confirmed reproducible and is ready to work onp: two_dimensional_scrollablesIssues pertaining to the two_dimensional_scrollables packageIssues pertaining to the two_dimensional_scrollables packagepackageflutter/packages repository. See also p: labels.flutter/packages repository. See also p: labels.team-frameworkOwned by Framework teamOwned by Framework teamtriaged-frameworkTriaged by Framework teamTriaged by Framework team
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Is there an existing issue for this?
Steps to reproduce
int _rowCount = 1500000;flutter run -d mac --releaseExpected results
Scroll without janking
Actual results
Getting ~1 frame every 1-2 seconds
Code sample
Update the example app in the 2d-scrollables package to start with 1.5 million rows by editing
int _rowCount = 1500000;Screenshots or Video
Screenshots / Video demonstration
large.row.count.mov
Logs
No response
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