Descendent Studios, the team behind Descent: Underground, is currently working on a new Descent game that will be powered by Unreal Engine 4, called Descent (2019). According to its description, this new Descent will be a classic six-degrees-of-freedom action-reimagined for a new generation using Unreal Engine 4.
Source: N4G PC A new Descent game is coming out in 2019, first screenshots and details