The 3920 is 4K/HDR-capable and has the 4K/HDR-capable version of YT, so it should have the newer UI.
You are going to need to press this with Google - make sure you directly contact them and explain in detail the issue (you are missing the newer/more capable UI with sound/speed/etc settings).
Open YT/Settings/Previews with Sound=on
What firmware version do you have? Settings/System/About (version+build)
What YT app version do you have? Highlight YT app/Options (*) (version+build)
From checking, it appears that YT app version 2.20.93005147 (for non-4K/HDR models) does not have the preview sound control functionality, so if you have that version, that may be why.
The 3920 is a 4K/HDR model, and should have 2.21.94005088 (for 4K/HDR models) which does have the preview sound control functionality.
You should contact Roku/Google about this YT version issue for the 3920.
Hey @adwissler
Thanks for the post.
Please be advised that channels on Roku are developed and maintained by the channel developer themselves. We suggest reaching out to YouTube's customer support team to see if they have any additional settings or options within their app that may resolve the issue you're experiencing.
You can contact them here: YouTube Help
All the best,
Kariza
The 3920 is 4K/HDR-capable and has the 4K/HDR-capable version of YT, so it should have the newer UI.
You are going to need to press this with Google - make sure you directly contact them and explain in detail the issue (you are missing the newer/more capable UI with sound/speed/etc settings).