Unreal Engine Issues

World Position Offset Only Affecting the Z-Axis when applied as a Material to a Landscape

When utilizing World Position Offset on Landscapes, the VertexNormalWS only pushes vertices in the vertical direction. Even if you are to sculpt an aggressive slope on the landscape, the vertices ar ...

Line Trace only returns Physical Material data from the Element 0 material slot

Line Trace only returns Physical Material data from the Element 0 material slot of a skeletal mesh. All other material slots are ignored. This is present on any skeletal mesh but is also reproducib ...

Nanite mesh socketed to a Skeletal Mesh is not affected by the 'Owner No See' or 'Only Owner See'

Nanite mesh socketed to a Skeletal Mesh is not affected by the 'Owner No See' or 'Only Owner See'. Compared this against a regular Static Mesh. ...

UK2Node_EnumLiteral always outputs defaulted (0) value if input pin is connected

The reported behavior repros in 4.20 and 4.21, but does not repro in 4.19. Regarding the "Literal Enum" node in blueprints: When an input enum value is connected to the input pin, the output is al ...

Distortion Displacement Track is empty in new level sequence using a distortion file with a framerate of 0

Distortion Displacement Track is empty in a new level sequence using a distortion file witha framerate of 0. ...

[CrashReport] UE4Editor_Engine!FMaterialShaderMap::GetMeshShaderMap() [materialshader.cpp:2197]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: (Index >= 0) & ( ...

Post processing set to medium in engine scalability with bloom set to 0 causes color settings not work

Color effects appear not to work when post processing is set to medium and the bloom intensity is set to 0 ...

TMaps with instanced objects: modifying instanced object data in child affects parent

Given a TMap where the value type is an instanced object: when a child blueprint is saved with modifications to the TMap, and then additional TMap are added to the parent blueprint and the child blu ...

Build Error when using ENUM without 0 entry

Lighting does not properly affect landscapes under another landscape, even if Static Lighting Resolution is increased

Lighting does not properly affect landscapes that are below another landscape, even after static lighting resolution is increased. This results in some areas that should be completely shadowed to ha ...