There is a lot of content now, we are about 1/2 - 2/3 done, story wise. The mechanics are mostly all done, the goal is to be done about the end of the year. So, your call.
The game's main menu should say "Mapping: On" in the lower left corner if the patch is in the right place. The mapping.json file needs to be extracted from the .7z archive and placed into the same folder that contains the .exe file.