Well this looks quite promising.
I’ve downloaded the final Android q beta release 6 on my pixel 2.
Having enabled developer mode, and looked at the feature flags, they are indeed blanked out. It’s been that way since Beta3, after the OP originally posted
So I can’t enable hearing aids. But having reset the oticon app and re-paired with the hearing aids, searching for hearing aids in Settings, all the support is clearly there.
I strongly suspect that when the final release comes out, and the accessibility settings for hearing aids is re-enabled, that I’ll be able to stream audio.
All those doubters in the thread above should be aware that it’s absolutely normal for features to appear and disappear during the development and beta process.
Will