Unreal Engine Issues

Use Viewport's BackBuffer as Pixel Shader's input texture fails on Android

UDK Link: link title In this project, they need to get the BackBuffer(including UMG), and use this BackBuffer to do some post-processing. So follow the code in FViewportSurfaceReader :: ResolveRende ...

Blueprint Editor Layout is not properly saving

There are some weird things happening with layout recently, like UE-37541 which doesn't allow the user to save their layout, then reset it to the saved layout. Interesting thing to note is that wh ...

Widget Component Does Not Cast Shadows From Certain Lights

The widget component acts differently under different lighting types. For example it will cast a shadow if being lit by a directional light but won't otherwise. It also seems point lights affect t ...

Running game does not exit when exited through its library page in SteamVR

Use Localized Graph Editor Nodes and Pins requires an editor restart to take effect but doesn't prompt for one

Changing the Use Localized Graph Editor Nodes and Pins setting requires a restart to take effect but doesn't prompt you to restart the editor as other settings that require one do. Regression?: No ...

ScreenSpace does not appear to work correctly when using Instance Stereo

ScreenSpace does not appear to work correctly when using Instance Stereo. The screen position used in the material appears to only be from one eye ...

HISMC with LODs added as a Blueprint Component creates extra Material Elements

Adding a HISM as a component within blueprints and referencing a Static Mesh with LODs, creates extra/additional and material elements. ...

Ribbon Particles Ignores Rotation and Uses World Location When Enabling Local Space

When enabling local space in the required module the ribbon type data doesn't behave as expected. In the test project the two versions of a particle system have been set up one with local space enab ...

Reverting a material through source control on Mac causes the thumbnail to become distorted

The thumbnail on mac becomes distorted when the material is reverted through source control. This does not occur on windows and is not a regression. Opening the Material or right clicking on it ma ...

Local Space With World Offset Module Not Working As Expected For Ribbon Particles

When a ribbon data particle emitter is set to use local space and has a world offset module applied, it will rotate in the opposite direction if the particle system is rotated in the scene. Additio ...