They haven't come around to updating the page for a while (someone lost login info or something like that) but they have a new core and some projects that use the new SH4 equivalent core. https://www.coresemi.io/
They currently seem to be in a "release tarbal" model of open source but know they ought to be in an develop on master branch in public repo model.
They currently seem to be in a "release tarbal" model of open source but know they ought to be in an develop on master branch in public repo model.