Version 3.x of OnStep (which is 'master' in Github), has a new way for configuration which is much easier than before. Instead of one Config file for each board, there is a unified Config.h file.
It also has support for a persistent command channel on port 9998, which can make OnStep work over WiFi. Previously, port 9999 does not work because it times out after 2 seconds and closes the connection. The new port needs to be tested.
Another change is in how the focuser works, with new commands. Details in