Scrolling through very large number of items in ItemsRepeater + virtualized Layout + ScrollView causes blank frames #9643
Labels
area-ItemsRepeater
area-Scrolling
bug
Something isn't working
fix-released
The fix has been in a release (experimental, preview, stable, or servicing).
Milestone
Describe the bug
When a ScrollPresenter/ScrollView control is hosting an ItemsRepeater with numerous items and a virtualized Layout like the StackLayout, scrolling through those items causes frequent blank frames. This can be seen for example when dragging the Thumb of a ScrollView ScrollBar.
Steps to reproduce the bug
Populate an ItemsView with 10000 items (it internally uses a ScrollView, an ItemsRepeater and a virtualized StackLayout by default). Use the mouse to drag the ScrollBar's Thumb.
Result: a mix of frames that show items and blank frames.
Expected behavior
No blank frames.
Screenshots
No response
NuGet package version
None
Windows version
No response
Additional context
No response
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