Unreal Engine Issues
Unreal Engine Issues
Fatal error importing via Datasmith (memory allocation)
UE - Editor - Content Pipeline - Datasmith - Exporters - Jan 17, 2019Trying to import a large Revit asset using Datasmith causes the system to use all of it's memory. Certain systems may receive a memory allocation error in the process. ...
Material Parameter Collection parameters only return default values when drawn to a Render Target
UE - Graphics Features - Mar 27, 2019Material Parameter Collection parameters only return default values when drawn to a Render Target This does NOT happen when drawing a material using a non-MPC parameter. To test this:Open Actor_BP ...
Forward Rendering Lightmap Density view flicker
UE - Graphics Features - Aug 20, 2019The shaders flicker when in Lightmap Density viewmode after enabling Instanced Stereo Rendering in Project Settings > Engine > Rendering > VR Tested in 4.21.2 (CL - 4753647) 4.22.3 (CL - 7053647), ...
4.24 GitHub Build compile error - fatal error C1083: Cannot open include file: 'SketchUpAPI/geometry.h': No such file or directory
UE - Editor - Content Pipeline - Datasmith - Exporters - Dec 10, 201912>e:\github\unrealengine\engine\source\programs\enterprise\datasmith\datasmithsketchupexporter\private\DatasmithSketchUpCamera.h(7): fatal error C1083: Cannot open include file: 'SketchUpAPI/geomet ...
GeometrycacheActor light channel issue
UE - Graphics Features - Apr 9, 2020Unreal Architecture link in Unreal Terminology website doesn't work
Docs - Apr 13, 2022Unreal Architecture web link doesn't work. A user cannot enter the website to see the terminology of the Unreal Architecture. ...
Highlights not rendering on Nanite enabled Meshes in the Mesh Editor
UE - Graphics Features - Nanite - May 23, 2022Highlights not rendering on Nanite enabled Meshes in the Mesh Editor. ...
Alpha blending is done twice when using RenderOpacity of RetainerBox's parent slot
UE - Editor - UI Systems - UMG - Feb 10, 2023Licensee reported that alpha blending is done twice in the code below, and the fix below seems to fix it. .\Engine\Source\Runtime\UMG\Private\Slate\SRetainerWidget.cpp From:const FLinearColor Compu ...
Path Tracing shadow artifacts
UE - Graphics Features - Path Tracer - May 31, 2023First picture lit is used [Image Removed] Second picture PT is used, this occurs under certain angles of incidence. [Image Removed] ...
Coordinate indicator disappears when entering landscape editing mode
Tools - Oct 24, 2016Coordinate indicator disappears when entering landscape editing mode. The indicator disappears after switching to landscape mode in the editor Note: This appears to work in 4.13.2 ...