For the full release notes, see the Changelog.
Katello 3.13 provides setting System Purpose attributes on Activation Keys in the UI. Additionally, the Hammer CLI supports setting System Purpose attrbutes on Activation Keys and Content Hosts.
Katello 3.13 introduces support for HTTP proxies for content syncing. Repositories may be assigned an HTTP proxy policy: a global default, no proxy, or specify a proxy. HTTP proxy policies can be applied through bulk actions at the product level. Documentation regarding HTTP proxy support can be found here.
Content View descriptions may now be updated via the Hammer CLI.
Katello 3.13 provides the ability to upload SRPMs via the API and through Hammer and Katello to correctly identify the content as a source RPM.
Previous releases were signed using the Katelo key, but starting with 3.13 package signing will use the Foreman Key 4674C97BD8C2A3EF63BCB20788BB5C467B5B366A.
Katello 3.13 includes 82 bug fixes, which can be seen here