If you are a Steam beta user watch out, the latest beta only ads partial support for the DS4 but completely breaks IM's ability to use it exclusively.
InputMapper 1.6.11 complete ground up rewrite is going smooth and actually better than I could have hoped. Expect to start seeing it and Dualshock 3 support shortly!
I know i've been dangeling a lot of features that are coming to IM 1.6, and heres a few more.
Sony's German Playstation blog has announced 2 new officially licensed PS4 controllers; the Razer Raiju and the Nacon Revolution, and they look sweeeet!
Quick discussion and demonstration showing off the Dualshock API that will help with the upgrades that IM is undergoing from the hardware interaction side