This issue has been fixed on Ubuntu 21.04, given that an option to sign in on the Ubuntu One account was removed and now it is only possible to sign in to the Snap Store account (also Ubuntu One).
** Changed in: gnome-software (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-software in Ubuntu. https://bugs.launchpad.net/bugs/1802982 Title: GNOME Software keeps logging out of the Ubuntu One account To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1802982/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs