The new YouTube app has added a feature to allow users to control what post will show...
Check Out the full changelog:
Drop by and check out more info at http://www.androidcentral.com/youtube-app-updated-now-allows-more-control-your-uploaded-videos
Some are complaining with issues after doing the update just to be on the safe side i'd waite 24 or 48 hours before installing to see if the issues subside or if it has been installed. do a Uninstall of the App an power off the device an then repower then reinstall the app see if fixes any issues. B33