The wiki page does have the software properties method documented: https://wiki.ubuntu.com/Testing/EnableProposed
I don't have software-properties-gtk installed (and until now didn't know the name of the command to launch it), so apt-add-repository was my first attempt. Thanks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1829588 Title: make it easy to add proposed; help text outdated To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1829588/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs