Swift ios 9: Section header change position after reload data

tableView.reloadData()
tableView.layoutIfNeeded()
tableView.beginUpdates()
tableView.endUpdates()

This help me out.

Double reloadData will cause flickering while this solution won't.

I know it's an old thread but uncheck the Adjust Scroll View Insets doesn't help. I had this problem and solved it by reload table twice.