Diablo has one for the 2015 Jeeps--it comes with a new PCM (costs $900 for the pcm and tuner). I guess they couldn't get around the encryption and use a new PCM to make it all work:
https://www.diablosport.com/release/2015-jeep-wrangler.html
https://www.diablosport.com/release/2015-jeep-wrangler.html