So, it was snap-manager@fthx.. I remember installing it sometimes before the ubuntu version upgrade, I guess. And it was gone from the notifications panel, but probably still eating memory in the background :)
Thanks for all the help, Daniel! Not gnome-shell issue, then, it seems -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1951072 Title: gnome-shell using too much memory after some time running To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1951072/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs