Cannot connect to Plex on Apple TV 4K

I bought an Apple TV 4K yesterday. I have to setup everything again and the one problem is: Infuse 5 Pro cannot connect to Plex anymore. While Plex is working fine, I can access my library on my old Apple TV or in the browser…
I scan the QR-code, enter the 4 characters, confirming the things and after a while I get the error that I cannot connect.

What is going on?

We’ve seen a few cases where the Plex authentication servers may be unavailable for short periods of time.

Is this still an issue for you if you try today?