On Land

Environment Information
At Rill Architects we run ArchiCAD on macOS. If you work at Rill, this is your stuff. If you don't, but you work in ArchiCAD, you may find something interesting. Anybody else, I don't know.
RSS

Over there on the side is a division for 'Current Versions'. These are the versions of OS X and Archicad you should be running. If you're not, then run Software Update and check the onion for Archicad updaters.