RestrictedToClasses UCLASS Meta expects space delimiters but documentation shows comma delimiters

UE - Gameplay - Jul 19, 2019

The documentation: https://docs.unrealengine.com/en-US/Programming/UnrealArchitecture/Reference/Metadata/index.html shows the RestrictedToClasses meta syntax as being RestrictedToClasses="Class1, C ...

Setting Key Interpolation for a point on a curve to Auto behaves differently from UE4 and more like User Interpolation

UE - Anim - Runtime - Mar 17, 2022

Setting Key Interpolation for a point on a curve to Auto behaves differently than it did in UE4. The results are more akin to the User Interpolation with flat tangents. ...

Shadows remain visible for Procedural Foliage Instances that are culled out

UE - World Creation - Worldbuilding Tools - Foliage - Aug 20, 2016

Watching GIF displayed in test case, the shadows disappear with the meshes. ...

Procedural Mesh Component 'Create StaticMesh' does not preserve collision

UE - LD & Modeling - Modeling Tools - Mesh Editing - Nov 5, 2019

Creating a static mesh from a procedural mesh does not preserve simple collision or collision settings. ...

Evaluate WPO for Foliage(HISM) is based on Local Space?

UE - Graphics Features - Lumen - Aug 21, 2021

Merge Actors Merge Materials Missing in Content Browser

UE - World Creation - Worldbuilding Tools - Merge Actor - Nov 1, 2023

Dithered LOD transitions sometimes briefly flicker to the next LOD before fading

UE - Graphics Features - Jun 12, 2025

When dithered LOD transitions occur, a brief flash of the next LOD level is first shown on the entire mesh after which the current LOD fades to the next (or previous) LOD. The flashing behavior only ...

Custom fallback mesh LODs for Nanite-enabled meshes not working

UE - Graphics Features - Sep 15, 2025

Creating a custom fallback mesh with LOD for Nanite-enabled meshes with multiple materials, results in mesh LODs with errors. As the number of material sections (material slots) decreases with coars ...

UMG curve editor values are set to 0 when dragging a set value

UE - Editor - UI Systems - Jul 10, 2015

An example of this issue would be that after setting the color and opacity setting along the time line and then trying to click and drag that key frame it will set the value for the currently select ...

Project Launcher spams console with "LogStats:Warning: MetaData mismatch..."

UE - Foundation - Core - Jul 27, 2016

It doesn't appear to matter what project or template you're launching with, or what settings you use in the ProjectLauncher. There are two threads it seems to complain about as reflected in this s ...