FastCo Design:

Originally created for the Xbox 360, Microsoft’s watershed depth camera and voice recognition microphone sold ~35 million units since its debut in 2010, but Microsoft will no longer produce it when retailers sell off their existing stock.

The Kinect had already been slowly de-emphasized by Microsoft, as the Xbox team anchored back around traditional gaming to counter the PS4, rather than take its more experimental approach to entertainment.

I couldn’t wait to get the Kinect and thought it was a pretty cool use of the tech. But there was never much further direct development of it (it lives on in HoloLens) and the games that used it never seemed to make advancements or be compelling enough.