Cannot load youtube URLs on Android

UE - Platform - Mobile - May 29, 2018

UMG Webrowser widget does not display embedded youtube videos. ...

Crash on Adding Elements to Array On Instance of Actor in the Level

Tools - May 25, 2018

When attempting to add an array element to an array that exists on a component contained within an actor that is instanced in the level, the editor will crash. This does not occur if an array elemen ...

When Retargeting Animation, Mesh Set as Preview that Shares Skeleton Isn't Kept

OLD - Anim - May 25, 2018

When a preview mesh is set inside the skeleton(see attached screenshot) and saved and an animation retargeted to that skeleton, the preview mesh you changed it to is not displayed on the animation. ...

Reimporting Static Mesh LODs yields unexpected material assignments

Tools - May 24, 2018

Reimporting an asset after making changes causes loss of saved LOD changes when editing a static mesh. Similar issue was logged and fixed for SkeletalMeshes but this issue is still occurring for ...

Opening Materials and Material Functions with Vertex Interpolator node Results in Crash

UE - Graphics Features - May 23, 2018

Per Licensee: Hello, We are migrating our project from 4.18 to 4.19.2 and we are encountering various crashes while opening our material and material functions. I'm adding a simple test case here. ...

Crash in Standalone When Sub Anim Instance Uses Exposed Variable

OLD - Anim - May 23, 2018

When using a Sub Anim Instance node that uses an exposed variable and another exposed variable in the animation Blueprint that is set as the Instance Class in the Sub Anim Instance node, the editor ...

Convex Decomposition is broken on Linux using Imported Static Mesh

Tools - May 23, 2018

Changing the complexity of the desired mesh using the Hull Count, Hull precision and Max Hull Verts on Linux requires the process more time to complete, but causes no results. This process works as ...

Enabling Preview Rendering Level Mobile GLES3.1 on Map With Vector Fields Results in Editor Crash

UE - Platform - Mobile - May 21, 2018

Reproduced Crash on 4.18.3, 4.19.2, and Main CL 4081612. Licensee states: Based on a quick inspection of the code, it seems FVectorFieldVisualizationVertexFactory::ShouldCache() returns false (req ...

Incorrect render target index assignment in GLSLBackend

UE - Graphics Features - May 18, 2018

While investigating [Link Removed], I have found that GLSLBackend always automatically generates render target location indices, regardless of user-specified ones via SV_TargetX HLSL semantics. Rel ...

Stereo layer appears to move when used with the Oculus Rift

UE - Platform - XR - May 17, 2018

Stereo layer appears to move/slide as the player moves the HMD from side to side when using the world locked setting for the stereo layer. ...