Here's an alternate fix for comment #3. Just removing whitespace from the logo (limit it to 48px high) is enough to stop it from getting shrunken by the login screen.
Sorry I can't tell how to make a debdiff of this binary change, or find an SCM to propose it to. Help? ** Attachment added: "ubuntu-logo.png" https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1867133/+attachment/5337775/+files/ubuntu-logo.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1867133 Title: Ubuntu logo vanishes and fades back in on gdm start To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1867133/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs