Unreal Engine Issues
Unreal Engine Issues
Bug in CurveLinearColor makes colors of Diffraction material white outside curve range, causing rendering artifacts
UE - Texture - May 14, 2025There seems to be a regression with linear textures (commonly for multi-channel masked textures) in UE5.4. Setting the "Encoding Override" (under Texture > Advanced > Source Color Settings) to "Line ...
Select Node literals not populated when type resolved by connecting a pin
UE - Gameplay - Blueprint Editor - May 4, 2017When you connect a pin to a select node and determine the type of the wild card pins the other option pins do not have their literal populated. This occurs for enums where no option is select and n ...
Lighting channels are not supported with tiled lighting
UE - Graphics Features - Aug 15, 2016Reported via UDN ...
Transform Track can't be edited for a empty actor dragged directly from Modes panel
UE - Anim - Sequencer - Oct 27, 2017This is a remaining case of [Link Removed]. If you drag and drop an empty actor from Modes panel to Sequencer, the actor's transform track can't be edited. ...
Crash in GPUMessage.cpp when resetting FSocket when RHI is NullRHI.
UE - Rendering Architecture - RHI - Apr 5, 2025When tearing down a nanite project with the nullrhi active, there is a crash in the FeedbackManager destructor that causes any exit to be unclean. The teardown process causes a crash as the destruc ...
Montage Time Stretch Curves Scale Incorrectly
UE - Anim - Runtime - Apr 13, 2022More details in attached UDN [Link Removed] Time stretch curve behaves incorrectly with large sections of in-between values. From the UDN: After using the feature a bit more we also noticed tha ...
Shaders are compiled for Engine on first launch after fresh download
UE - Foundation - Build - Rocket (Installed Engine) - Dec 21, 2016Engine DDC doesn't appear to be included with fresh install of 4.15 Engine. Upon launching editor for first time, ShaderCompileWorker Process startup and user gets notification shaders are compili ...
Anisotropy of material looks different when set via a scalar parameter node connected to the material node
UE - Rendering Architecture - Materials - Apr 15, 2025The Anisotropy of a material looks different when set on the material output node vs when set via a scalar parameter node connected to the material node ...
Blocking Volume Not Displaying Properly in Player Collision Mode
Tools - Oct 17, 2016The licensee has stated that convex mesh generation is failing in KAggregateGeom.cpp from the function KConvexElem::HullFromPlanes. Here is the code snippet they provided: if(!Polygon.Split(-FVecto ...
Region screenshot doesn't work at runtime
Tools - Mar 30, 2018Region screenshots taken in runtime do not seem to work while they do work when taken in editor. ...