Building lighting fails on Linux

UE - Platform - Linux - Jan 15, 2016

When building lighting on Linux, the build process fails because UnrealLightmass cannot find the library libUnrealLightmass-Serialization.so. Reported using Mint Cinnamon 17.3 Internal machine uses ...

Groups Selected in Viewport Are Not Selected in World Outliner Causing Unexpected Results

Tools - Jan 14, 2016

Selecting objects that are grouped together in the viewport will not highlight the group actor in the World Outliner. One known result of this is, after selecting the group in the viewport, right-cl ...

SIGSEGV: invalid attempt to access memory at address 0x10

UE - Audio - Jan 13, 2016

User reports crash occurs when stopping a simulation or closing the editor Crash reporter link: [Link Removed] ...

FBX Import for Skeletal Meshes normals not correct

UE - Graphics Features - Jan 12, 2016

When importing a mesh as skeletal mesh and using any of the MikkTSpace or option to "Import Normals and Tangents" will cause the normals to import incorrectly. If using the Compute Normals or Import ...

If child actor component is already also overlapping something it's parent will not fire off an overlap event

UE - Gameplay - Jan 11, 2016

If the a blueprint has an overlap event and that blueprint has a child actor component with an overlap event then the child can stop the parent from firing off an overlap event if the child also ove ...

Hierarchical Instanced Static Meshes do not render in Custom Depth

UE - Graphics Features - Jan 6, 2016

When rendering a custom depth post process material Hierarchical Instanced Static Meshes will not use this even if they have been enabled to do so. Sample Project attached. ...

User's project crashes when right clicking a blueprint

UE - Gameplay - Blueprint - Jan 6, 2016

If the user right clicks on the AbilityBase blueprint the editor will crash. ...

Cannot Add Collision to an EQS Testing Pawn

UE - AI - Jan 6, 2016

Attempting to add collision to an EQSTestingPawn class is not possible, as the inherited capsule component seems to override any new collision. Simulating with the inherited capsule will cause the P ...

Netprofile crashes networked games using Steam

UE - Networking - Jan 5, 2016

Netprofile crashes networked games using Steam with the following assertion: Assertion failed: "Invalid interface for Steam P2P addresses" && 0 [Link Removed] [Line: 72] No Crash Report is submitt ...

Having "Accurate velocities from vertex deformation" enables causes extreme blur on skeletal meshes

UE - Graphics Features - Jan 4, 2016

Having accurate velocities from vertex deformation enabled and a SceneCapture2D in the same project will create blurry skeletal meshes. I am unable to reproduce this with an Nvidia graphics card. T ...