Deploying a project with Portrait orientation will appear stretched on the Nvidia Shield Tablet

UE - Platform - Mobile - Mar 3, 2015

When I deployed a first person template project to an Nvidia Shield Tablet with Portrait Orientation enabled, The screen appeared stretched and the analog stick were unable to be used. Tested on t ...

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 ...

Inherited AnimBP properties not always working across editor restarts

OLD - Anim - Jan 21, 2016

In 4.11 when making changes to node properties in an animation blueprint they will not always appear to update in child blueprint instances when restarting the editor. In the attached project the l ...

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 ...

Red 'X' Persists after Duplicating Overlapping Stationary Lights and Setting them to Static or Movable

Tools - Sep 15, 2016

Duplicating a group of overlapping stationary lights that produces the red 'X', and setting the copied group to 'Static' or 'Movable' will maintain the red 'X' on one of the light components. Note ...

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. ...