Thanks for the posts and your patience while we investigated the issue.
We believe the issue that this thread was originally opened for has been resolved.
If you are experiencing channel playback issues on a Roku TV model 7XXX, we recommend now checking for a manual update to see if the issue is still occurring.
To check for a manual update, navigate to Home > Settings > System > System Update > Check Now.
If you are still experiencing an issue after following the above steps, please be aware that we are still investigating an issue related to Roku devices and connectivity/channel issues after the OS 10.5. If you have a Roku TV, you can follow this thread here.
We will be closing this thread out.
Roku Community Moderator