Unreal Engine Issues

Vray Material nodes are disconnected after saved if closing and re opening Unreal

Static Mesh imported from USD file has empty UV channel

When importing static mesh from USD file then it has the wrong amount of UV channels. Selecting a UV channel shows an empty area in the viewport. Regression: YES - not reproduced in 4.25.3 produc ...

Wobbling effect on meshes

Weird wobbling rendering artifact are generated on the surface of the Mesh located far from the origin.　 ...

KiteDemo: Landscape without collision - Out of Bounds

While testing in KiteDemo - //UE4/Release-4.16 CL 3420042 in Binary – trying to find the limits of the Caution: Out of Bounds UMG, I found a landscape static-mesh that did not have collision. ...

Image widget does not scale the inner borders correctly

When Scaling in and out in the UMG blueprints with an image applied to an image widget that is set to border as it's "Draw as" selection the image does not scale correctly. EDIT: The UI should prev ...

Changing Shadow Quality causes SingleLayerWater Materials to disappear

Regression: Tested in UE5/Release-5.0, issue is reproduceable. This issue appears to be related to the Opacity Mask of the material, as not having an Opacity Mask does not cause the material to dis ...

ICVFX Editor: Last Entry Index of "Pre-Viewport Color Grading" shows "Entire Cluster" group data.

The ICVFX view is displaying parameters for the entire cluster when the group in the right-most index is selected. Its expected that the right-most index group should behave like every other group, ...

DebugDrawHelper memory leak in editor

Media Player can't continue to play after the progress bar is dragged.

This bug occurs in 5.3 version. It's ok in 5.2 version. ...

Get Constraint Force node always returns a magnitude zero vector

Get Constraint Force node always returns a magnitude zero vector. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and was able to get the constraint force, it is a regression. ...