Overriding a static parameter in a material instance but not changing the value unnecessarily duplicates shader code

Rendering - Sep 9, 2015

When you have a Material with a static parameter and an Instance of that Material that has the "override" checkbox checked for that static parameter, but has the value set to the same value as the p ...

WmfMedia: Calling the play and pause nodes multiple times cause a media player to stop working

Media Framework - Aug 20, 2015

If the player calls the nodes Pause > Play > Pause > Play, the media player will stop working. ...

Instanced meshes do not accurately use volume light samples when lit in a statically lit scene

Rendering - Aug 14, 2015

When using instanced meshes in a Blueprint or in foliage tool the indirect lighting cache will not correctly light these meshes. I've include a sample project with map to demonstrate what the lice ...

Preview Meshes in Material Instances lose their association to material on close.

Tools - Material Editor - Aug 13, 2015

When you assign a Preview Mesh to a Material Instance, save and close the instance, on reopening instance, the Preview Mesh will not retain connection to the Instance and will revert back to its ass ...

iOS devices and Android devices return a 90 degree difference when getting gravity through a "Make Rotation From Axes" node

Platform - Mobile - Mar 10, 2015

A user has a project that gets the rotation of the device through the gravity node and when they run Get Gravity through a "MakeRotationFromAxes" node the number that is returned has 90 degree diffe ...

Changing variable defaults in parent BP does not update changes in child

Gameplay - Blueprint - Dec 9, 2014

The changes made to the values for a transform variable setup in a blueprint will not show up in a child BP until the yellow arrows is pressed to reset to default. Other variable types update autom ...

PostProcess for SceneCapture2D currently not working

Rendering - Oct 29, 2014

Currently if you set a SceneCapture2D's "Capture Source" to "Final Color (LDR with PostProcess)", the result of the screen capture becomes just a black texture. If you set the SF_Tonemapper show fl ...