Wrong UITableViewCell height with UITableViewAutomaticDimension

Question

I make custom cell with 2 multiline labels and pin this labels to all sides. When in -tableView:heightForRowAtIndexPath: for iOS >= 8 I return

Answer 1

The problem is gone when I don't set tableView's estimatedRowHeight for iOS 8 and update preferredMaxLayoutWidth every time when sets the text for multiline labels