Denon AVR - Component Warning

Hi, yesterday i started getting spammed with new messages in my log regarding my Denon AVR:

Not able to match sound mode, returning raw sound mode.
components/media_player/denonavr.py (WARNING)

Any ideas? I have not setup this media player, so needs to be some kind of auto detect.

Same problem her; the ampli is Marantz.

Indeed, this warning repeats almost exactly every 11 seconds in my log. Looks related to this pull request that was merged in the last update:

There is already a bug report open with some activity here: