Here's a heaptrack trace of a gnome-shell session; I logged out one gnome-shell hit 1.6GB RSS. Hopefully this is useful, or could point to a specific thing to test.
** Attachment added: "Heaptrack trace of gnome-shell session" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1856516/+attachment/5328794/+files/heaptrack.gnome-shell.bin.10049.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1856516 Title: Excessive memory usage by gnome-shell in 19.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1856516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs