Preview of Material doesn't Work Well When Using Particle SubUV and World Position Offset

UE - Niagara - Aug 8, 2017

Preview of material doesn't work well when using Particle SubUV and World Position Offset. The issue occurs in only preview of material. It doesn't occur in Cascade. ...

Local Array elements with text fields do not take focus after making changes in another field

UE - Gameplay - Blueprint - Aug 7, 2017

The Highlight is gray and the field does not take keyboard focus after making changes in the text field of an element of a local array and then clicking into another. ...

CheckLightmapUVs Not Registering Overlapping Lightmap UVs

Tools - Aug 4, 2017

CheckLightMapUVs is not registering overlapping Lightmap UVs when it is called. User Quote: "I have been working on an editor tool to diagnose some general asset problems and I noticed that in USt ...

Property changes are ignored for instanced UObjects that exist in components

UE - Gameplay - Blueprint - Aug 4, 2017

When a component class contains an instanced reference to a UObject class that is EditInlineNew, adding the component to an actor makes the UObject properties uneditable in instances of the actor. ...

Crash when moving landscape that contains landscape spline to sub-level

UE - LD & Modeling - Terrain - Landscape - Aug 4, 2017

Crash when moving landscape that contains a landscape spline to another sub-level. User Description: The Editor crashes on copy and pasting a landscape spline over to another Level. Always rememb ...

Wireframe box does not appear when adding blueprint of custom volume class to the viewport

Tools - Aug 2, 2017

No volume appears when adding a blueprint of a custom volume class to the viewport. Adding an instance of the custom class directly does show the box, but additional functionality cannot be added v ...

Selecting Don't Save when launching onto platform still gives the impression that assets were saved

Tools - Aug 2, 2017

If the user selects Don't Save when launching on to a platform, the dirtied assets appear as saved in the editor (no asterisks next to map names or asset thumbnails). This can be confusing, because ...

Button for Swap Paint Color and Erase Color Disappeared.

Tools - Aug 2, 2017

In 4,15, we can use button for swap paint Color and erase color. But, in 4.16 and 4.17, it disappeared ...

Fill Function of Mesh Painting don't Use Color Channel Parameters

Tools - Aug 2, 2017

Fill function of mesh painting don't use color channel parameters. I suggest that FPaintModePainter::ApplyVertexColorAction need to use PaintSettings->VertexPaintSettings.bWriteRed / Green / Blue ...

Gear VR appears Choppy when add Widget components to the scene

UE - Platform - XR - Aug 1, 2017

Gear VR appears Choppy when add Widget components to the scene (this issue was not present in earlier version of the engine in the same project (4.16 appears to be a regression for 4.17)) Note: The ...