Unreal Engine 4.9 发布，此版本包括几百个 Unreal Engine 4 更新，129 个改进提交。 此版本主要改进了对移动设备的支持，尝试性支持 DirectX 12。
主要改进：
Enhanced Support for Mobile Devices
New: Dynamic Character Shadows for Mobile
New: Dynamic Point Lights for Mobile
New: Decals on Mobile
New: Major VR Updates
New: VR Motion Controller Support
New: Experimental DirectX 12 Support
New: Full Scene Particle Collision with Mesh Distance Fields
New: Hierarchical LOD Fast Preview and Clustering
New: "Arch Vis" Character Controls
New: Widget Depth Ordering
New: Area Shadows (for stationary lights)
New: Ambient Occlusion Material Mask
New: Mesh Distance Field Materials
New: Improved Distance Field Ambient Occlusion
New: Content Browser Advanced Search
软件详情：https://www.unrealengine.com/blog/unreal-engine-49-released
来自:开源中国社区
