After update to iOS 12.2 Beta 3 button in the middle don't work anymore.
After update to iOS 12.2 Beta 3 there are only 3 buttons in the platform mode (with beta 2 there are 4 buttons) and the button in the middle don't work anymore.

![img_3345](https://user-images.githubusercontent.com/29394115/53193014-33538900-3610-11e9-8449-319a211b32b4.png)

_Originally posted by @Krocko in https://github.com/nicoduj/homebridge-harmony/issues/66#issuecomment-466115352_