You mean like this? LOL

I don’t know if this has ever worked properly, so I’m not sure it can be classified as a bug
You can’t refresh the page you’re on in Plex like you can a browser
I posted this recently
I didn’t mention watched status in my post but it’s part of the problem.
If I am watching on my tv, exit back to the season page, then switch to my phone in another room…
By the time I get back to the tv I have to exit all the way out to the home screen and go back to the show before my watched status is updated