According to a tweet by The Inner Circle, The Xbox One DX12 team will be coming on the show before and after GDC to talk about cool NEW stuff for Developers.
"The Inner Circle
UPDATE: Xbox One DX12 team wants to come on TiC before GDC & after GDC to talk cool NEW stuff for Dev's!"
At GameStack Live, Microsoft announced and released the new DirectX 12 Agility SDK, which delivers DX12 Ultimate features to a larger base. There will benefits for Xbox, too.