They are working on it. https://github.com/TeamNewPipe/NewPipe/discussions/11260

I wasn’t even aware there was an Android version of FreeTube. It’s just what I use on the PC usually.

https://github.com/FreeTubeApp/FreeTube/issues/5378

I saw a comment somewhere that apps using Invidious as a fallback were often still working. Have observed this to be the case for FreeTibe on desktop. Though it’s still hit and miss which videos want to play for some reason.