StableCollectionViewLayout

This layout adjusts a content offset if the collection view is updated. You can insert, delete or reload items and StableCollectionViewLayout will take care of the content offset.

Like this

Demo

Usage

You should just create and pass StableCollectionViewFlowLayout to UICollectionView init

import StableCollectionViewLayout

UICollectionView(frame: .zero, collectionViewLayout: StableCollectionViewFlowLayout())

Also, you can create the own subclass of StableCollectionViewLayout and use it.