Self-sizing UITableView cell - Force update of UI

SelfSizingTableViewCells.swift

// Via @layoutSubviews in /dev/world2019
func tableView( _ tableView : UITableView, didSelectRowAt indexPath: IndexPath ) {
    let cell = tableView.cellForRowAt( indexPath) as! MyCell
    // Make some changes that affect the layout. Doing this but nothing else will cause clipped content. 
    cell.label.fontSize = 100
    // We have to force the table view to recalculate the cell size and update the UI
    tableView.beginUpdates()
    tableView.endUpdates()
}