Unreal Engine Issues
Unreal Engine Issues
Misalignment between meshes used in landscape spline segments
UE - Graphics Tools - Terrain - Dec 17, 2024When using a landscape spline with multiple segments, there can be misalignment between spline segments when the tangent length of segments are too short, causing visual seams between meshes that sh ...
Mutable RemoveMesh node with data from DataTable
UE - Anim - Mutable - Jul 28, 2025Hi, We are trying to use Mutable plugin to avoid clipping using the RemoveMeshNode with data from DataTables. However we are having trouble with the most basic example of our idea. We have a Data ...
EncompassesPoint always returns false on ANavMeshBoundsVolume due to missing BodyInstance
UE - AI - Aug 3, 2025When calling EncompassesPoint on an ANavMeshBoundsVolume, the method always returns false even if the target point is clearly within the visible volume bounds. This occurs because AVolume::Encompas ...
“None” option removed from “Preview Game Language” in Editor Preferences since UE 5.6
UE - AI Workflows - UI Systems - Oct 24, 2025In Unreal Engine 5.5 and earlier, users could select “None” as the Preview Game Language in the Editor Preferences. Starting from UE 5.6, this “None” option is no longer available. Based on source ...
Path Tracer Normals Issue
UE - Rendering - Graphics Features - Path Tracer - Oct 29, 2025Path Tracing normal maps reflect light differently than Lit, and do not look accurate. Also observed in //UE/Release-5.6, CL: 45232827 ...
PCGs Duplicate Point node option to apply in Relative Space has metadata warnings and crashes editor.
UE - Graphics Tools - PCG - Procedural Tools - Jan 21, 2026When using the PCG Duplicate Point node's "Direction Applied in Relative Space" option, this deletes or messes with the output metadata and, if connected to an output or using it's debug mode, will ...
Issue with r.SkyAtmosphere.TransmittanceLUT.UseSmallFormat
UE - Rendering - Features - Mar 30, 2026When "r.SkyAtmosphere.TransmittanceLUT.UseSmallFormat=1", some values for the Sky Atmosphere at some directional light angles can lead to the sun disk being cut off, and taking on a chord shape. A ...
Clicking the [Absolute] bottom of Buttons in Toolbar does not Function
Tools - Sep 9, 2015Hovering over the absolute bottom of buttons in the toolbar, particularly in Blueprints, results in the button being highlighted, but not accessable. The area seems to be 1 or 2 pixels from the bot ...
Changing Game Icon does not properly alter icon on Windows taskbar in packaged project
UE - Foundation - Core - Cooker - Sep 24, 2015Changing the Game Icon in Windows Packaged projects does not display the new icon on Windows taskbar. ...
"Split Struct Pin" breaks functionality of Transform Bone node
OLD - Anim - Jun 22, 2015Using the "Split Struct Pin" right click option on the rotation pin breaks the functionality of the Transform Bone node in Animation Blueprints NOTE: I noticed the Roll/Pitch/Yaw are in a differen ...