Unreal Engine Issues
Unreal Engine Issues
Exporting Mannequin to Blender then Re-importing to UE4 Incorrectly Rotates Animations by 90 Degrees
OLD - Anim - Jun 16, 2015Exporting the UE4 Mannequin to Blender then re-importing to UE4 breaks the animations, causing them to reimport rotated 90 degrees ...
Animation Orientation does not Auto-Convert to UE4 Coordinates when Reimporting
OLD - Anim - Nov 23, 2015Animation orientation does not auto-convert to UE4 coordinates when reimporting the same way it does when importing the same animation as a new import. In other words, a run animation generated from ...
Anim Notify blueprints are included in packages when not referenced
UE - Foundation - Core - Cooker - Sep 17, 2018Anim Notify Blueprints are included in Packaged builds of the editor even if they are not referenced. This does not occur with other Blueprint classes, such as Actor, although it may with some other ...
'Get Distance Along Spline At Spline Point' Causes Crash
Tools - Jul 28, 2018User reports that the reason for the crash is that because UpdateSpline is false on the AddSplinePointAtIndex blueprint node, this line is never called [ReparamTable.Points.Reset(NumSegments * Repar ...
Control Rig - Undo doesn't function correctly with proxy and multi bone controls
UE - CAPT - Control Rig - Oct 26, 2025Issue from my Technical Animator where the undo operation in Control Rig doesn't work as expected on Proxy Controls. He has recreated the issue using the "Control Rig Samples Pack" and recorded a vi ...
Override Attenuation Can't be Unchecked When Audio Component Added to Blueprint and Blueprint Attached to Actor
UE - Audio - Dec 20, 2017Checking Override Attenuation in Details < Audio Component < Attenuation disables settings that further adjust the Attenuation. Such as: Attenuation Air Absorption, Attenuation Listener Focus, Atte ...
“Receives Decals” is not respected on Procedural Mesh Component
UE - Graphics Features - Oct 14, 2022(Enduring Games) I investigated it and found that the following primitive data flag test in BasePassPixelShader.usf fails: (GetPrimitiveData(MaterialParameters).Flags & PRIMITIVE_SCENE_DATA_FLAG_DE ...
When a Niagara System has SimTarget set to GPUCompute Sim, CameraQuery is only returning data from the Player0 camera, ignoring the PlayerControllerIndex.
UE - Niagara - Nov 8, 2024When a Niagara System has SimTarget set to GPUCompute Sim, CameraQuery is only returning data from the Player0 camera, regardless of PlayerControllerIndex. The expected behavior would be to have the ...
Some texture files cannot be exported from the editor
Tools - Feb 4, 2015There are instances where some texture files cannot be exported from the editor. In this older post a user had reported this with the file T_Sky_Blue from the engine folder. Only this file has been ...
Cannot paint landscape layers onto tiled landscapes
UE - LD & Modeling - Terrain - Landscape - Jun 30, 2015paint layers do not take effect on all tiled layers that have a material incorporated if a user attempts to paint on them from the persistent level. ...