Unreal Engine Issues

Shadowmapping broken in Android Vulkan Editor Preview

LandscapeVisibilityMask with an RVT Landscape seems to produce a black spot instead of a hole if Dbuffer Decals are turned off

This issue does not occur if Dbuffer Decals are activated for the project. ...

[Review Tool] The editor crashes while attempting to load a modified Blueprint that uses Interface for review.

The crash is due to previous Rename operation, that reset a preallocated array which later FAsyncPackage2::ExecuteDeferredPostLoadLinkerLoadPackageExports tries to use.  Before loading change list ...

UDIM textures have default Tiling Method set to Wrap but causes incorrect filtering on edges.

UDIM textures have default Tiling Method set to Wrap but causes incorrect filtering on edges. It should be set to Clamp or Mirror by default. ...

Significant Frame Rate Decrease in Editor UI on Monitors with G-Sync Enabled

A G-Sync enabled monitor running @100Hz will drop from 100FPS while working in the Viewport to 50FPS when scrolling through the Editor Menu window. A G-Sync enabled monitor running @60Hz will drop f ...

Action event in the blueprint graph leads to state dirty.

BP state get dirty if the BP graph have action input event. Regression: Yes, it is not reproduced in 4.16.3 This issue is not related to Blueprint Compilation Manager. ...

Static array based on an enum does not show the enum element names if a C-style cast is used with a space between the type being cast to and the enum

A static array based on an enum does not display the enum names in Blueprints if the size of the static array uses an explicit C-style cast with a space between the type being cast to and the enum b ...

The orientation of the tangent space seems wrong with SkinCache recompute tangent enabled

Pasting custom data floats from a text editor into a instanced static mesh component crashes the editor

When an instanced static mesh component with a material using a PerInstanceCustomData node has its data floats pasted in, the editor crashes with an "Array index out of bounds" error. The licensee w ...

Blueprint Tooltips Appear Behind Contextual Menu

On an iMac running OSX 10.11.1 a user reports that the tooltips are appearing behind the contextual menu. *See image ...