Unreal Engine Issues

When copying category properties, all the EditConst flags are not checked. This overrides variables that should not be written.

If you create two actors that have the same structure of variables in a category, and you try to copy the category variables of one actor into the other, variables that have ReadOnly/EditConst speci ...

StaticMeshActors spawned at runtime are not visible until a property has been changed and also have no collision unless set to moveable

Spawning a StaticMeshActor at runtime results in the StaticMeshActor not being visible until a property has been changed, such as the material for the Static Mesh. The spawned actor will also have n ...

Deleting the code files for a custom component from a project will result in an Engine crash when trying to open any Blueprint using that component.

Adding a custom component to a Blueprint and then deleting the code class defining that custom component from the project will crash the Editor any time you try to open a Blueprint containing that c ...

GameplayCueNotify Actors not removed on Clients upon duration-based GameplayEffect expiration

Vertex Animation anti-aliasing improvement

A licensee has reported that their vertex animations are leaving a lot of be desired with anti-aliasing. Specifically using vertex animated meshes can leave aliasing remnants behind while it's shift ...

FIndexedCurve::ScaleCurve returns invalid results

Calling SetKeyTime in iterating KeyHandlesToIndices array can modify the array order, so it breaks the iterator. Perhaps ShiftCurve also has the same problem. Here is a work around: void FIndexedCu ...

Data is not filled in for a Blueprint struct array contained within another Blueprint struct

If a Blueprint struct contains a variable that is an array of another Blueprint struct, data in a datatable based on the first struct will not be correctly filled in for the struct array. If the str ...

Instances missing when importing .Udatasmith containing Forest pro entities

Foliage is not partially loaded after InstancedFoliageGridSize is changed by WorldPartitionFoliageBuilder commandlet

Changing the InstancedFoliageGridSize by the WorldPartitionFoliageBuilder commandlet will cause some of the foliage to not load correctly. ...

Deferred and DBuffer Decals Normals are altered when adjusting the X Size/Scale

Adjusting the X Size of a Decal is causing the normals to distort [Image Removed] Reproduced in 4.11-Releases-CL-2804793 Reproduced in DevRendering-CL-2806984 ...