Unreal Engine Issues

Can not change source paths on Datasmith Scenes

You are unable to change the filepath for Datasmith Scenes. The '...' box is there for you to select but it does nothing when clicked. This issue happens in both 4.19.2 (0.182) and 4.20.1 (4.20E2) ...

[Sketchup-Reimport]-Objects presence in level on reimport with unchecked Geometry

Landscape：Shadowmap the landscape casting doesn't match visual mesh after build lighting

Adding Variable to Struct (Exposed on Spawn) breaks SpawnActor functionality without error/warning

Adding a variable to a Struct used with SpawnActor breaks functionality without warning. Workaround: Clear Class from SpawnActor and reassign same class User Cites Blueprint Compile manager as fau ...

SolidWorks 2018 Assembly Datasmith Importer Error

A failed to import error is received when importing various SolidWorks 2018 Assembly files. A lot of the attached models are imported IGS files and were made into SolidWorks parts. Tried testing th ...

RecastNavMesh is not generated at loaded sublevel

RecastNavMesh is not generated at the sub level dynamically added in C ++ in 4.20. In 4.18, 4.19 it was generated normally. Probably, changes to the large number about NavMesh systems from 4.19 to ...

Generated definition of BlueprintNativeEvent UFUNCTION in an interface does not include const keyword for return type

UHT does not correctly create generated code for BlueprintNativeEvent UFUNCTIONs in an interface that return const values. In the corresponding .gen.cpp file, the generated code does not include the ...

Linker Object (Unresolved Export) Crash on Standalone Exit

Crash when exiting standalone. "we have an export that is never getting resolved, this is the export that is causing the mislink error when shutting down the game" Please see UDN post for more info ...

Adding components in an Actor then undoing them leaves sub-components

Adding components in an Actor then undoing them after an action in the Viewport, leaves sub-components behind. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in 4 ...

"No value will be returned by reference" when calling Event Dispatcher with an Array

When creating an Event Dispatcher that sends an array, a blue Note shows up on the bottom of the Call node stating that "No value will be returned by reference". This is a similar issue to [Link Rem ...