UDN: ChildBP - When replacing Static or SkelMesh Compoent inherited from the Parent Class, Socket list doesn't update

UE - Gameplay - Blueprint - May 21, 2015

This is simple, but maybe hard to explain, so hear with me. I've attached a sample project and Repro Steps below in case it's not clear. Basically: 1. Make BP_Parent with an unassigned Mesh (Stati ...

Import FBX of Maya to Matinee seems converting incorrect location (coordination)

Tools - May 22, 2015

Import feature of Matinee seems converting incorrect location (coordination) if importing Maya animated FBX that exported StaticMeshes from UE4 editor. Sometimes licensee asks this kind of coordina ...

Unreal Frontend output log is garbled if using non-ASCII language

UE - Foundation - Core - May 25, 2015

If you set the editor language to a non-ASCII language like Japanese, Korean or Chinese, any localized strings that have non-ASCII characters will appear as "?" in the output of UnrealFrontend. [Im ...

Converting Texture Sample to Parameter when MipValue set to "Level" or "Bias"

UE - Rendering - Architecture - Materials - May 27, 2015

When a Texture Sample's MipValue is set to something other than "none" (which adds the extra pin), attempting to convert that Texture Sample to a parameter will cause the Editor to crash. (Simple r ...

Turning off Apply Wind after switching tabs crashes editor

OLD - Anim - May 27, 2015

In the Skeletal Mesh editor, turning Show>Clothing>Apply Wind while switching tabs causes a crash. For example, turn it on while in the Mesh tab. Switch to Animation Tab and then back to Mesh. Turn ...

Cannot softly vertex paint blend weights with a 4-node blend material

Tools - Jun 15, 2015

Video attached. If you make a 4 node blend material like so: [Image Removed] When you try to paint blend weights, the color you paint instantly jumps to the maximum value, and there's no way to p ...

Indirect Lighting Transition is delayed one frame.

UE - Graphics Features - Apr 29, 2016

If you let objects move quick like teleport, you can see the transition is delayed one frame. This problem occurs even if r.Cache.SampleTransitionSpeed increase, and Both ILCQ_Point and ILCQ_Volume ...

Local variables in Blueprint functions don't support default values of Custom Structs

UE - Gameplay - Blueprint - Jun 9, 2015

I make a custom struct and assign default values to it's member floats, etc. When I use that in a Blueprint, the defaults work as expected. However, when I reference it as a local variable in a BP f ...

UDN: LICENSEE: Vertex Colors not displayed for Skeletal Mesh

OLD - Anim - Jun 15, 2015

Viewport option: Show>Advanced>Vertex Colors doesn't display the vertex colors for a Skeletal Mesh. This viewmode works fine for Static Meshes. There is also no option to display the Vertex Colors ...

Using IES light profiles wtih source and radius length on a light

UE - Graphics Features - Jun 10, 2015

Developer struggling to make area lights Was trying to use an IES light profile and change source radius and length, but it didn't seem to scale in a way that made sense[Image Removed] Not sure if t ...