Ionic emulate ios --livereload CORS problem

I just found the ionic emulate ios --livereload for the ios simulator and think it’s great to use it. However,
I am getting CORS errors now, which do usually not occur in my regularly deployed app. How can I solve this. (Using newest versions of Mac & XCode software)

Anyone any idea why that happens?

have you tried
<access origin="*"/>
in your config.xml ?

Yes, on top of it…