I was affected but I haven't seen it since 17.10, I seem to remember it was actually fixed a long time ago, but this bug report must have been forgotten.
** Changed in: gnome-shell (Ubuntu) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1705689 Title: When adding an app to favourites, two icons are created. Status in gnome-shell package in Ubuntu: Fix Released Status in gnome-shell-extension-ubuntu-dock package in Ubuntu: Invalid Bug description: On Ubuntu 17.10, I wanted to add gnome-terminal to the favorites. Usually in Gnome, the item gets added one times. Instead, there were two items of gnome-terminal in the favorites. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1705689/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp