Firefox Quantum 57.0.2
Custom browser settings: -I'm not accepting 3rd party cookies and have enabled clear cookies on browser restart
not anything more than that which could impact cookies or sessions.
Though I'm getting signed out just out of the blue once every 10 -30 mins (not sure) while my browser is staying opened and I'm interacting with other tabs. It's not a critical issue, but I want to mention it so that admins have it on the list perhaps. Cheers.
edit: to mention also that I haven't ticket the "Remember Me" thing.