My understanding is that UICollectionViewDataSourcePrefetching is built for UICollectionViewDataSource, whereas UICollectionViewDiffableDataSource doesn't seem to have any documentation around pref...

I am using UICollectionViewDiffableDataSource to fill UICollectionView with data. My understanding is that DiffableDataSource compares items by using == and then if items are equal it compares hash...

I have looked at this question, which is similar: How to deal with empty items section in UICollectionView CompositionalLayout, but the answer there seems to be either leave sections out in the sna...

What are the ways in which a UICollectionViewDiffableDataSource header can be reloaded? I have a collection view with a header that displays user details, and rows that display posts, the model is ...

As of iOS 14, UICollectionViewDiffableDataSource has a reorderHandlers property. It's demonstrated in some sample code and talked about in WWDC 2020 session on Advances in Diffable Data Sources. Th...

When dealing with CoreData, NSFetchedResultsController and Diffable Data Source, I always notice that I need to apply DispatchQueue.main.async. For instance, Before applying DispatchQueue.main.asyn...

I've created the following demo view controller to reproduce the issue in a minimal example. Here I'm applying a snapshot of the same data repeatedly to the same collection view using UICollectionV...

I have a collection view (using a compositional layout and a diffable data source) that has a segmented control in its header. When the control value changes, the cells update to a different UIColl...

I'm using the UICollectionViewDiffableDataSource to populate my UICollectionView. After receiving a list of items via REST API, I create a new snapshot and apply it like this: DispatchQueue.main.as...

I have a UICollectionViewDiffableDataSourcelike so: var data:UICollectionViewDiffableDataSource<Section, Message>! I define my section header's layout like so: let header = NSCollectionLayou...