Help & troubleshooting for channels on your Roku device, including adding/removing channels, logging in to, authenticating, or activating a channel, channel-specific playback issues, assistance contacting channel publishers to report issues, and adjusting channel-specific settings.
For more information about that channel's features and functionality, you'll want to contact Youtube support directly to inquire further. Many channels on Roku are developed and maintained by the channel provider themselves.
Re: Why Can't I Fast Forward in the YouTube App anymore?!?!??!?!?!?!
It’s not a problem with the YouTube app and it is an easy fix.
Go into your settings -> system -> power-> system restart. Restart your Roku TV, take the batteries out of the remote and put them back in. Should fix the problem, I just did this and it worked for me!