Unreal Engine Issues

Nanite Dynamic Tessellation issue with Material Layers

Syncing to an asset through in-editor interface will not update existing assets while in the editor

If a user syncs to an asset through the editor (right-clicking it in the Content Browser and selecting Sync), the asset will not update until the editor is closed and reopened. Note: This issue is ...

Implied Decal Blend Modes don't account for static ignore-switch parameters in an expected way

The desired behavior from a user perspective here is that they'd be able to use Static Switches in a decal master material to toggle different features and behaviors. In the above setup, if I set th ...

AppleARKit forces view projection matrix according to device viewport

[Link Removed] ...

DeprojectScreenPositionToWorld has inaccurate behavior in VR

Calling DeprojectScreenPositionToWorld while in VR mode does not project from the center of the Oculus view. Using the results of the call with a line trace will show the line coming off center fro ...

Getting Relative Location of an Object That Once Simulated Physics Returns World Location

Attempting to get the Relative Location of a component that once simulated physics, but has been dynamically set at runtime to not simulate physics returns the World Location instead until the actor ...

Any Alpha value set in a FLinearColor used to draw a line on a Canvas HUD is ignored when the line is drawn

If an Alpha value is set in a FLinearColor that is used to draw a line on a Canvas HUD, the Alpha value is ignored when the line is drawn. A comment in BatchedElements.cpp indicates that some legac ...

Packaging fails for an exclusively-nativized BP-only project that includes a non-nativized child Blueprint class that's referenced by an (unrelated) nativized Blueprint class.

For unknown reason, the header of BP_Parent is included twice. The second header is located after the .generated.h, causing the compile error. The following is the include section of BP_Child__pf1 ...

Hidden and empty categories of a UObject are shown in a Data Asset's details panel

When looking at the details of a UObject contained in a Data Asset, some categories are shown even though they should not be. If a category is marked as hidden in the parent class, it will be shown ...

Material attribute layers issue with texture sample and VT lookups

When using material attribute layers in a material layer setup, there is a potential discrepancy in the number of VT Lookups presented in the material instance's Platform Stats. When the same textur ...