@Todor, /etc/apparmor.d/usr.bin.ubuntu-core-launcher is no now longer used and the file to modify is now /etc/apparmor.d/usr.lib.snapd.snap-confine.real (there have been several packaging changes since this bug was filed with the move of ubuntu-core-launcher being renamed to snap-confine and moving to the snapd package).
@Todor, /etc/apparmor. d/usr.bin. ubuntu- core-launcher is no now longer used and the file to modify is now /etc/apparmor. d/usr.lib. snapd.snap- confine. real (there have been several packaging changes since this bug was filed with the move of ubuntu- core-launcher being renamed to snap-confine and moving to the snapd package).