Also forgot but Samsung and Lenovo both publicly announced that they're working on VR/MR headsets. Probably Cambria clones. 

There is also a mystery headset someone has an NDA on, that they said might replace their Index if it comes out. 

In terms of interest from companies in hardware development, according to suppliers, this is the best time it has ever been for the industry. Things are going to accelerate in the coming year.