It turns out this is only a problem in Wayland sessions and it doesn't matter how you open the document (nautlius or command line, such as `gedit doc.txt`) so changed the package.
** Package changed: nautilus (Ubuntu) => wayland (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to wayland in Ubuntu. https://bugs.launchpad.net/bugs/1770898 Title: App window is not raised when a second document is opened (in Wayland sessions only) Status in gnome-shell package in Ubuntu: New Status in mutter package in Ubuntu: New Bug description: Opening a document with an editor (for example a text document with Gedit) does not reveal the editor window if the editor is already running. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: nautilus 1:3.26.3-0ubuntu4 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Sat May 12 14:01:54 2018 ExecutablePath: /usr/bin/nautilus InstallationDate: Installed on 2018-04-27 (15 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) SourcePackage: nautilus UpgradeStatus: No upgrade log present (probably fresh install) usr_lib_nautilus: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1770898/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
