Unreal Engine Issues

Doing a Rebuild in Visual Studio fails to compile

Attempting to use the Rebuild option in Visual Studio will fail to build the project. It instead produces a message that "Epic was unexpected". ...

Newly Created Landscape using Material with Displacement and Tessellation Flickers

Upon creating a new landscape that uses a material with displacement and tessellation, the landscape and its respective components will flicker. The flickering can be removed when you begin sculptin ...

FBX export from UE4 with multiple materials the UV is corrupted

When exporting a Static Mesh from within UE4 that has multiple materials, some of the material IDs will be condensed into a single ID which will mess up how the material assignment for that part of ...

SetTextureParameterValue stopped working with Dynamic Material Instances (from Blueprints)

Textures in Post Process Blueprints do not update with Dynamic Material Instances. Scalar and Vector Parameters update as expected, but Textures do not. Note This was attempted with both a materi ...

Video Capture Renders Black W/Metal

From AnswerHub: Under OS X 10.11.4 using Metal on an AMD FirePro D700, captured video using the editor's built-in video capture tools is black. It doesn't matter if I attempt to capture images or v ...

When importing an FBX with Combine Meshes = False, one uasset will be created for the collection of assets.

When importing a mesh, there is an option to Combine Meshes, which by default is checked. Unchecking this option will bring in the individually named parts contained in the FBX as unique objects in ...

Delta applied twice when moving parent and grouped child actors

When some grouped actors are childed to another actor, and both the group and the parent are selected in the world outliner, movement delta is applied twice to the grouped children. Code for a poten ...

Splitting a struct in an Anim Blueprint does not work

In an Anim BP, splitting the transform structs of a Transform (Modify) Bone node causes the node to be come non functional. Transform components must be combined in order for the node to work. EX ...

FadeIn invalidates Audio Components in 4.11

Cooking/Staging is hardcoded to copy only the "Game" localization target's data.

At the prompt of a UDN post, I investigated the cooking/staging code and discovered that it is hardcoded to copy files for the "Game" localization target. This needs to be configurable in some manne ...