Epic Games has provided significant updates to Unreal Engine with the release of version 4.15, along with 79 improvements from the dedicated developer community.
Overall stability. developer workflow and runtime performance have all been upgraded, with compile times reduced by as much as 50%. New to Unreal Engine are a Blendspace Editor, physically based default post-processing settings, cooking Blueprints to C++ (which comes out of being an experimental feature), UI blur rects, material editor reroute nodes, sequencer animation blending, mobile rendering previews, map/set containers for blueprints, gameplay tags, colour grading controls, texture streaming debugging visualisation tools, flight stick and steering controls, force feedback control, support for the PlayStation VR Aim controller, a pre-skinned local normal material node, pose snapshotting, mass properties debugging, linking curves to bones, modify curve animation node and much more.
Improved features include texture streaming, C++ compile times and metal support.
You can also now experimentally develop for the Nintendo Switch, content hot-reloading and get an HDR display output.
For the full list of new features, improvements and bug fixes, head over to the Unreal Engine blog.