Apple bug with tables on WatchKit

WKInterfaceController.openParentApplication(["content": "isLoggedIn"], reply: { (reply, error) -> Void in
  if let response = reply as? [String:String] {
    if let loggedIn = response["loggedIn"] {
      if loggedIn == "true" {
        WKInterfaceController.openParentApplication(["content": "getMessages"], reply: { (reply, error) -> Void in
          if let response = reply as? [String:[String]] {
            if let messages = response["messages"] {
              self.table.setHidden(false)
              self.table.setNumberOfRows(messages.count, withRowType: "TableRowController")
              
              //Dispatching on main Queue due to Apple bug.
              dispatch_async(dispatch_get_main_queue(), { () -> Void in
                for (index, message) in enumerate(messages) {
                  let row = self.table.rowControllerAtIndex(index) as! TableRowController
                  row.tableRowLabel.setText(message)
                }
              })
            }
          }
        })
      } else {
        self.loginMessage.setHidden(false)
      }
    }
  }
})