Sounds not Playing for 2nd Player Client when running in Local Multiplayer Splitscreen Mode

UE - Audio - Apr 12, 2016

When playing in editor with splitscreen multiplayer enabled, player 2 is unable to hear sounds within his client window. This is tied to splitscreen and does not behave this way when two unique edi ...

Animations imported with Skeletal Mesh are not marked as dirty and don't get saved

UE - Editor - Content Pipeline - Import and Export - Jun 21, 2016

Animations imported with Skeletal Mesh are not marked as dirty and don't get saved. They disappear when the editor is restarted. This does not occur in 4.11 or 4.13. ...

Thumbnail section of Material Attributes does not function

UE - Rendering Architecture - Materials - Mar 3, 2015

The Thumbnail Tab in the Material Attributes does not effect the actual Content Browser Thumbnail Preview. The only way to current change it is edit it via the Edit Thumbnail Preview via the Conten ...

Refraction in Mesh Particle not rendering unless already rendered in static mesh

UE - Graphics Features - Dec 16, 2014

Mesh Particle System made to show a visualization of a shockwave will not render with the refraction component of the material unless a static mesh with the material applied to it is also in camera ...

Particle CPU cost highly increase at second "show" of a streaming level.

UE - Graphics Features - Feb 24, 2016

It seems that Particle CPU cost highly increase at second "show" of a streaming level. The Licensee's team sent a sample to reproduce this problem. So I put the project and wrote how to reproduce on ...

Convert selected components to Blueprint Class will crash if the Actor is not tagged as BlueprintSpawnableComponent

UE - Gameplay - Components - Sep 2, 2016

The editor will crash when using "Convert Selected Components to Blueprint Class" for actors that the root component is not tagged as a BlueprintSpawnableComponent. ...

Mac Safari HTML5 Launch On - Unresponsive WASD controls while in Full Screen

UE - Platform - Mobile - Sep 19, 2016

I was testing launch on test for mac and wanted to see if the full screen works properly as there were issues with that before. I discovered that after selecting full screen, I was not able to move ...

Modifying Collections does not batch Source Control operations

Tools - Nov 9, 2016

A licensee is noticing that a heavy use of the Collections system to categorize assets is causing a lot of unnecessary source control operations and generating a lot of noise for their logs. Rather ...

Characters will rarely spawn on top of each other in a networked session

UE - Simulation - Physics - Oct 31, 2016

REGRESSION: Maybe (had one occurring of it happening in 4.13.2) When playing with multiple players at the same time in a networked session, it's possible if rare to have characters spawn so they st ...

Viewport Gets HMD Control Not Working with Vive

UE - Platform - XR - May 5, 2016

When using the Viewport Gets HMD Control option in the Editor Preferences, the Vive does not seem to be able to control the viewport camera, which is what would be expected. ...