@Robert, yes, libgtk2-perl is in main starting only from Zesty once gnome-software (3.22.7-0ubuntu3) recommended it on 10 April 2017. However, it didn't get an MIR. Then it was copied to main in Trusty, Xenial and Yakkety on 27 April 2017.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1679435 Title: GNOME Software fails to install .deb packages that trigger debconf prompts To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1679435/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs