Attention: This release is now finally available on galaxy.ansible.com
Thanks to the Galaxy developers for their support! 
The holiday season hit, and it took some time to get the next release ready. 
Also, the Ansible Galaxy Team released a new codebase to galaxy.ansible.com. This took some looking-into on our end as well. If you experience issues there, read on here for more information: New Ansible Galaxy codebase, URLs to collections on Galaxy change · Issue #59 · ansible-collections/news-for-maintainers · GitHub or head for the Ansible Forum.
Now on to the release: It is packed again with new features. 
- @Max added a new module: The time period module.
- @lars.getwan added not one but four new lookup plugins for hosts and folders.
- @lars.getwan also created a version lookup utility, that can be used in your module code, and was already implemented in the
discoverymodule.
- mueller-ma added firewall management support for the agent role.
- Additionally it is now possible to manage sites without specifying an admin password.
This can be useful for example, if you did not create the site with Ansible or you want to update a remote site and do not need the admin password. Be careful on site creation though, as without an admin_pwset during creation, a random password will be set. You can of course overwrite it later if you want. - We also fixed an issue, where agent registration on a remote site would fail, if the host was just created.
Those are the noteworthy changes. The rest is documentation improvement and the usual cleanups. 