Called within transaction When UIsearch Bar clicked and keyboard showed

Question

I did a ViewController where there is a button and UITextfield when I click the button a UITableViewController with a UISearchBar is presented and a list of languages is dis

Answer 1

It looks like this is happening even on Apple example project: Table Search with UISearchController example

You can download the project and run it, you will see the same 4 [CATransaction synchronize] called within transaction