I have a dropout in Kodi as soon as I start hyperion 2.0 Alpha 9 on my Rasp4. I am using libre elec with the latest version. It looks like there is no sync at the HDMI output. As soon as I stop the hyperion process, Kodi runs again without any problems. Hope someone has an idea .. thanks
you can see a example there:
https://dj-coffeemaker.de/Public/Hyperion.mp4