I follow a lot of youtube channels ( more than 100 ) and that means I have a lot of new videos to watch every day. Finding which one is the last video I’ve seen when I follow channels with web series is a pain in the butt.
I wrote a little script for the https://www.youtube.com/feed/subscriptions page ( when it is in List mode, not in Grid ) which add a button in the top menu bar. This button will scroll to the last watched video.
Here is the pastebin to the script: https://pastebin.com/ztVx33dW