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. ...

Cannot Create a New Project if Windows Username Contains a Special Character

Tools - Oct 26, 2015

If you have a windows username with a special character (in this case, it was ^), the launcher will not allow you to create a new project, and a warning appears indicating that the path cannot conta ...

Projectiles do not register collision components if collision component is not set to root

UE - Gameplay - Dec 9, 2015

Projectiles do not register collision components if collision is not set as the root of the actor in the components pane. ...

Editor fails to create WebSocketNetDriver class

UE - Networking - Apr 28, 2015

When the Experimental HTML5 Networking Plugin is enable in the editor it allows for C++ classes with the WebSocketNetDriver parent to be created. Creating a C++ class of this type fails in the edit ...

Ctrl + z still active in PIE

Tools - Jan 20, 2016

Users can select ctrl + z while playing in Editor causing PIE to stop and undo last change, often freezing the editor temporarily, and sometimes causing a crash. Workaround: This does not occur if ...

"Asterisk" is misspelled as "Asterix" in a Blueprint Node

UE - Gameplay - Blueprint - Sep 29, 2015

"Asterisk" is misspelled as "Asterix" in a Blueprint Node ...

In Animgraph, Custom Blend Logic set to "Delayed Freeze" causes duplicate "Frames to Cache" field

OLD - Anim - Jan 27, 2015

In the Animgraph of an AnimBlueprint, Using Custom Blend Logic results in the "Frames to Cache Pose" field being duplicated if "Delayed Freeze" is selected. However, if "Standard" or "Freeze" is s ...

Particle Ribbon's do not work in packaged game

UE - Graphics Features - Apr 5, 2016

When a particle system has a ribbon trail it will not render when viewed in a packaged game. Attached sample asset from Content Examples with Ribbon Trail. This issue did not occur in 4.10.4, bu ...

Destructible Meshes will flicker in a Packaged Game

UE - Simulation - Physics - Destruction - Apr 9, 2015

Destructible chunks will flicker after the DM has been fractured. These chunks will flicker until they are in a sleep state. Using Sensitive Sleep Family will allow this to stay prolonged. Waking th ...

Crash Occurs When Attempting to Use Validated Get on a Local Variable

UE - Gameplay - Blueprint - Jan 13, 2016

In a function, creating a local Pawn or Actor variable, getting it, and then converting the Get to a Validated Get will cause the editor to crash upon compiling the blueprint. Found in 4.10.2 binar ...