Unreal Engine Issues

BSP brushes get Clipped or Disappear relative to the Surface Normals of a nearby Brush when Deleting/Flipping Faces

While testing this issue it was interesting to discover how the surrounding BSP's were affected. They seemed to clip/disappear according to the surface normals of the deleted brushes. There is a si ...

Artifact holes appear within thick font outline

When you make the outline very thick, holes can appear within the area of the thick outline. This would happen both in English and Japanese. ...

Update Actor will not update scene if object is deleted in original scene

IsTraceHandleValid with default FTraceHandles has unexpected behavior on the first frame

Because both FWorldAsyncTraceState's CurrentFrame and FTraceHandle are default initialized to 0, on the first frame, if a new Asnc Trace starts all default FTraceHandles will reference the same (now ...

IsEditorOnly Components hidden from Component Tree when duplicating

IsEditorOnly Component is hidden when it is duplicated. This can be redisplayed by blueprint compile, but it is preferable that it is the same as when IsEditorOnly is disabled. Gif1 is the case of ...

Child actor component class does not update on the client if a class is assigned by default

Child Actor Components class settings does not appear to replicate as expected. When the class is changed at run time, the change is not reflected on the client. Additional note: If the class is ...

Masked primitive should be sorted even on PowerVR devices

Skel Vert/Surf Emitter Location Local Not World Space

A Skel Vert/Surf particle system attached to a cloth actor spawns particles around the origin instead of around the actor. ...

The screen will be darker than other platforms(Android,PC/Mac preview) on IOS if both MSAA and MobileTonemapperFilm enabled

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Instanced Static Mesh instance with negative scale has black lighting

[Image Removed] The image above was the results after building lighting.The far right spheres all have negative scaling(-1 on Y) and reverse culling checked and are instanced.The middle set of sphe ...