Unreal Engine Issues
Unreal Engine Issues
heterogeneous volumes SkyLight VolScatter Intensity not working
UE - Niagara - Rendering - Jul 23, 2025Heterogeneous Volumes do not respect the Volumetric Scattering Intensity values when running with Lumen, but do (correctly) when rendering with the Path Tracer. ...
Spline mesh deform breaks WPO when used with Nanite meshes
UE - Graphics Features - Nanite - Oct 13, 2025Nanite spline meshes deforming along the world normal vector do not use the same world normal as a non-Nanite spline mesh. This results in inconsistent behavior between Nanite and non-Nanite spline ...
IKeyArea::CreateCurveEditorModel is not adding custom property channel name.
UE - Anim - Sequencer - Nov 25, 2025When you have a custom float channel and run the above, It works great if it's a regular 'MovieScene3DTransformSection' : LogPython: [ {channel_name: "Location.Y", section: "/Script/MovieSceneTrack ...
Pass names appear as "RDGEvent" in Unreal Insights when r.rhisetgpucaptureoptions=1
UE - Rendering Architecture - RHI - Dec 2, 2025When capturing a trace in Unreal Insights, all r.rhisetgpucaptureoptions=1 (r.RDG.Events=3) all RDG pass events appear simply as RDGEvent, without the actual name due to the logic for RDG_EVENT_SCOP ...
Editor window changes size each time the same project is opened
Tools - Apr 6, 2015The editor window is slightly bigger each time you open the same project. This doesn't persist over to any other project. I also checked in 4.8 from p4, this also occurs in: 4.8 /UE4/Promoted-CL ...
Building in VS fails if Application.ico is missing
UE - Foundation - Core - Mar 25, 2015When building a project in VS, the build process will fail if Application.ico is missing from the /Build/Windows/ folder. User reported seeing this when checking in/checking out a project on differ ...
If Master Pose Component is occluded, all target components stop animating
OLD - Anim - Aug 18, 2015When using "Set Master Pose Component", child components only animate for a few seconds if the Master Component goes out of view of the player camera. In the attached project, the master pose compo ...
Editor freezes then crashes while attempting to save during PIE
UE - Gameplay - Blueprint - Jun 8, 2015A level blueprint that has blueprint functions on keybound events freezes and crashes when in PIE and save is pressed. Frequency: 7/7 Crashreporter: [Link Removed] Note: If all level blueprint n ...
Using the 'Show Only Selected' Option with Grouped Actors Selected in the Viewport Still Hides the Grouped Actors
Tools - May 18, 2015When selecting grouped actors within the viewport and attempting to use the 'Show Only Selected' visibility option from the right-click menu, the actors will be hidden. It is only when you select th ...
Instanced Static Meshes Incorrect Normals when Scaled Non-Uniformly
UE - World Creation - Worldbuilding Tools - Foliage - Apr 2, 2015When comparing the World Normals of an Instanced Static Mesh being scaled non-uniformly to that of a regular Static Mesh, their normals do not match one another. I have attempted to look over the d ...