[MAUI][iOS18.0][macOS15.0] I6 & I9 - Clicking on some pages will throw an exception. #24838
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csi-new
platform/iOS 🍎
platform/macOS 🍏
macOS / Mac Catalyst
s/triaged
Issue has been reviewed
t/bug
Something isn't working
Milestone
Description
I6 & I9 - Clicking on some pages will throw an exception.
Note:
This issue seems to have nothing to do with the MAUI control version, but is related to the iOS simulator. The iOS17.5 simulator does not repro this issue.
Affected case:
I6 - Grouping Vertical list with DataTemplates
I6 - Grouping including empty groups for Vertical list with DataTemplates.
I6 - Grouping with variable sized items for Vertical list with DataTemplates.
I6 - Grouping with GridItemsLayouts for Vertical list with GridItemsLayout.VerticalItemSpacing.
I9 -Scroll by index for grouped data.
I9 -Scroll by object for grouped data.
Steps to Reproduce
Actual Behavior:
The page throws an exception:
ObjCRuntime.ObjCException: 'Objective-C exception thrown. Name: NSInternalInconsistencyException Reason: Expected dequeued view to be returned to the collection view in preparation for display. When the collection view's data source is asked to provide a view for a given index path, ensure that a single
Expected Behavior:
The page displays normally and no exception is thrown.
Link to public reproduction project repository
https://devdiv.visualstudio.com/Pkgs/_git/VS.TestAssets.Xaml?path=/Assets/Projects/ManualMauiTests
Version with bug
Microsoft.Maui.Controls 8.0.82
Is this a regression from previous behavior?
Not a regression, the issue also repro on 8.0.90 & 8.0.72 & 8.0.3.
Affected platforms
iOS
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