Project Kinect for Azure(V4) had been announced at Microsoft Build 2018, in May. The device will use Microsoft Azure cloud service. Skeletal, gesture and speech recognition technology implemented into Microsoft Hololens was known as Kinect V3.
Project Kinect for Azure official website: Azure.microsoft.com
Alex Kipman, Technical Fellow - AI Perception and Mixed Reality, at Microsoft explains in detail on LinkedIn Pulse: Linkedin.com