Unreal Engine Issues
Unreal Engine Issues
Postprocess volume priority bug
UE - Graphics Features - Mar 13, 2023ActorPositionWS Material BP node can crash when used in Post Process material
UE - Graphics Features - Oct 17, 2016The ActorPositionWS BP node calls GetActorWorldPosition() in HLSL which references Primitive.ActorWorldPosition. But GetActorWorldPosition() is not protected by an #if HAS_PRIMITIVE_UNIFORM_BUFFER ...
Cannot assign default values for UserWidget variable in blueprints
UE - Gameplay - Blueprint Editor - Feb 21, 2017Cannot assign default values for UserWidget variable. This limits their usability in blueprint classes, and really prevents them from being useful in UserStructs, particularly if that user struct is ...
Material Parameter Collection does not correctly render in Widget BP
UE - Editor - UI Systems - Feb 23, 2015If a Material Parameter Collection with a Scalar Parameter is used within a material and that material is called within a widget the scalar parameter will render with a 0 value, even when set to ano ...
Light Shaft Occlusion causes exponential height fog to render incorrectly in stereoscopic
UE - Platform - XR - May 26, 2016Enabling Light Shaft Occlusion causes exponential height fog to render incorrectly at certain viewing angles in stereoscopic. This does not reproduce once light shaft occlusion is turned off on the ...
Default Values of Parameters from Material Function not saving in Material Instances
UE - Rendering Architecture - Materials - Feb 16, 2015A Parameter set in a Material Function cannot be reset to a default value in a Material Instance. Reproduced in 4.7p7 CL-2440994 and Main Promotable-CL-2444381 ...
Set Material for Particle System via Construction Script in Blueprints is Different is PIE versus Standalone
UE - Graphics Features - May 25, 2017Differences in PIE and Standalone when attempting to set the Material for a Particle system within the construction script of an actor blueprint. I know there are probably some differences in how P ...
Draw Material to Render Target broken for Mobile
UE - Platform - XR - May 13, 2019"Draw Material to Render Target" renders black in 4.22 Confirmed in 4.23 MAIN @ CL 6395234 ...
Translucent material can't get valid custom depth RT on mobile platform and pc preview
UE - Platform - Mobile - Sep 18, 2019Crash when capturing attribute spreadsheet of Niagara GPU Particle with raytracing enabled
UE - Niagara - Jul 8, 2021Also, NiagaraDebugger crashes the moment I enable GPU Particle Readback. ...