Snapcraft 2.13 and Snapd 2.11 Land with Support for Downgrading Installed Snaps

Both Snapcraft 2.13 and Snapd 2.11 are now available in the main software repositories of the Ubuntu 16.04.1 LTS (Xenial Xerus) operating system, and, according to the announcement, Snapd 2.11 introduces new commands, namely buy, try, find private, disable, refresh, and revert. These new commands let users buy various applications that are being distributed in the Snappy Store as Snaps for Ubuntu and other GNU/Linux distributions that support the latest Snappy technologies, find private Snaps, disable installed Snaps, as well as to (finally) downgrade any Snap package you might have installed on your OS.