Audio components played at the same time appear to desync over time on Android

UE - Audio - Jan 12, 2018

When playing the audio form multiple audio component at the same time, the audio appears to become desynced over time. ...

When using 'Is Hidden Ed' it behaves similar to 'Is Hidden Ed at Startup'

UE - Gameplay - Jan 11, 2018

The tool tip for 'Is Hidden Ed' states "Returns true if the actor is hidden in the editor viewports" but it only actually flags true if "Hide Selected at Startup" is selected for the actor. Therefor ...

Deleting a project also deletes content of folders referenced by a Windows symbolic link

Portal - Jan 11, 2018

Deleting a project from the Epic Games Launcher will also delete any files that are located in external folders that the project includes via symbolic link. In this case the only thing that should b ...

Get unexpected surface normals result while using TextureBasedMorph

UE - Graphics Features - Jan 11, 2018

Meshes that animate via vertex deformations using worldposition offset display incorrect surface normals while animating. The reflections of the environment smear as the mesh moves making it look tr ...

Foliage does not appear in capture target when using "Always Persist Rendering State" when the foliage count is over 1.5k

UE - World Creation - Worldbuilding Tools - Foliage - Jan 10, 2018

There is an issue occurring where Foliage does not appear in capture target when using "Always Persist Rendering State" when the foliage count is over 1.5k. The issue does not occur when the foliage ...

Skeletal mesh collision skewed on mirrored meshes

UE - Simulation - Physics - Jan 9, 2018

[Link Removed] Collision on mirrored skeletal mesh does not match mesh. (has same position, but different orientation) Also occurs on latest (3827667) Also tested and occurring with Skeletal Mesh ...

[CrashReport] Assertion failed: FPlatformOpenGLDevice::FPlatformOpenGLDevice

UE - Rendering Architecture - RHI - Jan 9, 2018

Comments from users:tried with -opengl4tried to start with -force-opengl instead of -opengltried to run in opengl modetried to run in opengl mode due to DX11 feature level 10.0 error. (DirectX is in ...

Undo deleting a Set or Map member variable will add it back to datatable in reverse order if it was changed

UE - Gameplay - Jan 9, 2018

When undoing the deleting of a struct set or map variable, the order of the entries will be reverse in any datatable that's based on the struct. This only occurs if the entries have been modified i ...

"Find Collision UV" does not work with "Get Hit result under cursor"

UE - Simulation - Physics - Jan 8, 2018

The Hit result from "get hit result under cursor" does not appear to be working with "find collision UV" Using "Line Trace by Channel" hit result works as intended. ...

Camera rotation stops at game border when using Begin play node

Tools - Jan 8, 2018

There is an issue where Camera rotation stops at game window border when using Begin play node with the mouse. This issue does not happen if you don't use the begin play node with the Set show mouse ...