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UITextField undo crash
** Terminating app due to uncaught exception 'NSRangeException', reason: 'NSMutableRLEArray replaceObjectsInRange:withObject:length:: Out of bounds' reproducing this bug is really easy. Create a new project. add a textfield. set delegate. extension ViewController: UITextFieldDelegate {       func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {     let str = (textField.text! + string)     if str.count <= 30 {       return true     }     return false   } } run the app in ipad and type "abcdef" and copy the text. and paste it 3 or 4 times till limit reached (30 char). And tap undo. CRASHED Please provide a solution for this. Thanks
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3.6k
Jul ’20