We're here to help. Could you try uninstalling and reinstalling the app/updates to see if that helps? Also, are you facing this issue with particular channel or all of them? Keep us posted.
Appreciate your efforts. As a next step, please send a feedback report directly while signed into your account: https://yt.be/help/ghA5 . While every individual report may not get a direct response, but we do review everything to fix issues.