Malcolm v2.2.1 is a very minor bugfix release, fixing the DNP3 dashboard in Kibana (see issue #146).
idaholab/Malcolm@v2.2.0...v2.2.1
Malcolm and Hedgehog Linux may be obtained by pulling or building the Docker images and/or building the ISO installer images as described in the documentation. Unofficial ISO installer images for Malcolm and Hedgehog Linux are not hosted on Github, but may be downloaded from https://malcolm.fyi/download/.