What could be the reason for the lack of updates in CollectionView within a view, following the removal of Observable Collection in the view model?

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There are several possible reasons for the lack of updates in CollectionView within a view after the removal of Observable Collection in the view model:

1. The binding between the view and the view model might not be set up correctly.

2. The CollectionView might not be listening for changes in the underlying data source.

3. The data source that the CollectionView is bound to might not be updating as expected.

4. The CollectionView might not be refreshing itself properly after changes are made to the data source.

5. The view might not be correctly triggering the refresh of the CollectionView after changes are made to the data source.

To resolve these issues, you might need to review your code and verify that the binding between the view and the view model is set up correctly, ensure that the CollectionView is listening for changes in the underlying data source, update the data source as needed, refresh the CollectionView after changes are made to the data source, and ensure that the view correctly triggers the refresh of the CollectionView.