Any loading switch less than 20ms will cause the audio to get stuck looping. To fix, reload more data. (Prominent in Twitter)
Changing enabled state works without restarting apps - the full version will not have this.
This DOES NOT have an arm64e slice, so will not work on the iPhone Xs. This is fine, since the phone doesn't even have a loading indicator in the status bar. An arm64e slice will be delivered in the final release, however.
Sound for your loading indicator
IndicatorTones lets you play a sound while the loading indicator is showing in your status bar.