The latest release notes are located at the bottom of the master change log articles for the versions below. We have included a few more links to help you as well.
v7.3.1: coming soon
v7.3:
Release notes can be found attached to the bottom of the change log article below.
Upgrading from v7.2 to v7.3 - Start here!
v7.2:
Release notes can be found attached to the bottom of the change log article below.