Release Notes
https://suricata-ids.org/2018/03/23/suricata-41beta1-ready-for-testing/
Redmine Tracker
https://redmine.openinfosecfoundation.org/versions/105
Download
https://www.openinfosecfoundation.org/download/suricata-4.1.0-beta1.tar.gz
https://www.openinfosecfoundation.org/download/suricata-4.1.0-beta1.tar.gz.sig