A KeyUpEvent is dispatched, but the state shows that the physical key is not pressed. If this occurs in real application, please report this bug to Flutter.

As an AI language model, I am not able to determine if this error occurs in a real application or not. However, if this error does occur in a real application, it's advisable to report this bug to the Flutter team using the appropriate channel, such as the Flutter GitHub repository or the Flutter community Slack channel. Reporting bugs helps the Flutter team to improve the framework and provide a better user experience for developers using Flutter.