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 ...
UMG Retainer Box renders incorrect colors with Color Vision Deficiency enabled
UE - Editor - UI Systems - UMG - Aug 27, 2025When using a Retainer Box in UMG with Color Vision Deficiency enabled, the content inside the Retainer Box is rendered with incorrect colors compared to the rest of the UI. This bug is present in UE ...
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 - Editor - 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 - 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 ...
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 ...
Scaling problems when using "Keep World Position" attachments
UE - Gameplay - Jun 4, 2015When using the "Keep World Position" attachment type, the child mesh does not scale properly with the parent. X scales normally, but Y and Z seem to be swapped. [Image Removed] The name "Keep Wor ...
F10 shortcut does not skip to next node when breakpoints are active
UE - Gameplay - Blueprint - Jun 10, 2015If a breakpoint is placed on a node in blueprints and then PIE is started, if the breakpoint node is triggered and the user presses F10 (keyboard shortcut to skip to next node), the logic will not c ...
Interface functions called as events in Blueprints that implement the interface cannot be set to replicate
UE - Gameplay - Blueprint - Jun 11, 2015Interface functions called as events in Blueprints that implement the interface cannot be set to replicate. When the event node is clicked, the Details panel is empty. Reproduced in 4.7.6, 4.8, and ...