This is the sixth bug fix release of the 2.2 series, including added support for ARM-based Apple M1-equipped Macs. A detailed introduction to the new installation routine via Homebrew can be found in this blog post.
Or build from source
git clone https://gitlab.com/morpheus.lab/morpheus.git morpheus
git checkout v2.2.6
make && sudo make install
See the README.md at the GitLab repository for dependencies and build instructions.