This list provides a brief summary of updates in this release. Full release notes will be made available with the final 4.8 release. We may not be able to provide additional information about updates at this time.
SteamVR: HTC Vive support!
Support for the new Morpheus hardware and SDK, including 120Hz reprojection
Major rendering optimizations for landscape and foliage in huge worlds (e.g. hierarchical foliage culling and rendering)
Grass Rendering System for landscapes. Optimized for drawing huge amounts of grass and ground clutter with temporal LOD cross-fading.
Procedural Foliage System (Experimental Preview), for automatic object placement in huge environments
Depth of Field effects have been improved to be more physically-based.
Motion Blur has been improved to be more realistic
Morph Target Animations can now generate Motion Blur (new optional Project and Material setting.)
New Tone Mapper with more filmic look and standardized parameters
Foliage Rendering optimizations, including occlusion culling support.
Hierarchical LOD System, for auto-clustering of actors and auto-merging of meshes/materials
Network Replays: Rewind support, and Live Time Scrubbing (see ShooterGame example.)
Web Browser UI Widgets for Unreal Motion Graphics (desktop platforms only)
Unreal Motion Graphics UI Editor: Many improvements (split screen support, animation workflows, device preview, full screen drag and drop.)
Foliage Editor UI has been redesigned to be easier to use