Especially after the Reddit debacle towards the end of it. The man deserves a nice holiday.
CTRL-SHIFT-R if you’re not wanting to clear all your cookies (it clears the browser cache and reloads).
It took a little bit, and a few tries, but it worked for me.
On apps, you generally need to log out and back in again, which seemed to work for me.
Don’t trust the app saying that you’re already logged out, try removing the account (if you can), and logging back in again.