Running Ubuntu GNOME 16.04 with Gnome version 3.20.4.
Since the upgrade, Chrome doesn't seem to keep me logged in on a bunch of sites. Weirdly enough, not all websites are affected. For example, I stay logged in on reddit, but I have to manually login on twitch after every reboot. Login info for affected sites is still saved and available, I can still fill the login fields with autocorrect.
I assume it has something to do with the OS' key management, but I never really understood that system, so I'm kinda at a loss here.
Edit: Some people have marked this question as an "exact duplicate" of a similar question, but it isn't, because:
1) The other user is getting logged out of all website logins and his Chrome account. I am only getting logged out from some website logins, and I do stay logged in on my Chrome account.
2) I've already tried the solution from the other thread and it didn't work for me.