Unreal Engine Issues
Unreal Engine Issues
Compile errors when building full solution for Development Win64
UE - Foundation - Cpp Tools - UnrealBuildTool - Sep 29, 2015Per email conversation, entering this in as a single bug ...
Contact Offset no longer appears to have an effect
UE - Simulation - Physics - Jan 15, 2019When modifying the contact offset in a project it appears to have no effect. The setting that worked in a previous engine version (4.19) now collide in the same way as the default settings. ...
bStaticWhenNotMoveable in Lighting category instead of Physics
UE - Simulation - Gameplay - Oct 24, 2025"UPrimitiveComponent::bStaticWhenNotMoveable"'s category is set to Lighting, not Physics. This causes it to be hidden when lighting-related properties are hidden, even though it controls physics sta ...
Uncompressed Lightmaps rendering incorrectly in HTML5
UE - Platform - Mobile - Mar 25, 2015When using uncompressed Lightmaps in HTML5, the lighting is rendered incorrectly. Using (the default) compressed lightmaps, generates no error. Also reproduced in Main Promotable-CL-2487422 (Enscr ...
Toggling Vertex Colors on in Static Mesh Editor makes the viewport all white
UE - Gameplay - Aug 4, 2016When turning on the Vertex Color option in the static mesh editor, the whole viewport turns white. ...
Lighting channels are not supported with tiled lighting
UE - Graphics Features - Aug 15, 2016Reported via UDN ...
Clearcoat shader disappears if any asset using the Material leaves lighting
UE - Graphics Features - Aug 19, 2015Clearcoat Shader will stop receiving lighting information if any mesh assigned the material using the shader leaves lighting. Also Reproduced in Launcher 4.9 Preview 4, Main-CL-2660934 [Image Remo ...
Metallic Setting is not passed through Material Function in Feature Level ES2
UE - Graphics Features - Mar 26, 2015When a metallic input is passed into a material via a material function and previewed in ES2, the metallic is always returns 0 in the material. Also reproduced in Main Promotable-CL-2490775 [Image ...
OSVR does not consistently render to HMD if OSVR Server is not open prior to opening editor/cooked game
UE - Platform - XR - May 18, 2016It seems like if OSVR_Server is not launched prior to opening the editor, vr-preview functionality will not work (even though the editor starts OSVR_Server at launch). Seems like server must be open ...
Tessellation doesn't render in certain levels of ContentExamples with Intel4600
UE - Graphics Features - Jan 20, 2017Tessellation will not be rendered in the examples inside of the Material_Nodes and Material_Properties levels of Content Examples. ...