Looks like the new Hero 4 will work with the Zenmuse H3-3D gimbal.
"Regarding the issue of backward compatibility, the Black and Silver will both be compatible with all GoPro mounts and accessories."
http://petapixel.com/2014/09/25/gopro-h ... h-display/
"Regarding the issue of backward compatibility, the Black and Silver will both be compatible with all GoPro mounts and accessories."

http://petapixel.com/2014/09/25/gopro-h ... h-display/