Unreal Engine Issues

Derived struct data is not copied to Base struct

The actor Blueprint is intentionally causing an object slice to occur. In other words, we're copying a derived type to a base type, so the expectation is that only the inherited base properties are ...

UDN - Crash reverting SkeletalMesh unsaved changes

ASan on iOS is broken

Address Sanitizer (asan) is currently not working on iOS. This could be a helpful feature to get working again. ...

Option "Update Animation in Editor" is reset for child skeletal meshes

When the boolean is set on a child skeletal mesh, looks like it gets reset   Specifically , at UActorComponent::ConsolidatedPostEditChange forces a reconstruction of the Blueprint, making the trans ...

Crash in UAssetToolsImpl::CreateAssetWithDialog where the UFactory::GetSupportedClass() is deferenced without check if its null.

In AnimNode_RigidBody.cpp, PhysicsSimulation->CreateActor() is being passed World Space transforms, when it should be getting Local Simulation space transforms

In AnimNode_RigidBody.cpp, PhysicsSimulation->CreateActor() is being passed World Space transforms, when it should be getting Local Simulation space transforms. The licensee has reported that FAnimN ...

Physics object with collision box detects multiple begin/end overlap events even when specific collision channel is utilized.

If a blueprint has a physics object and a collision box, the box will register overlap begin/end events multiple times, even if the collision is set to only overlap with specific collision channels ...

SetGamePaused on EventDestroyed crashes the editor on compile

SetGamePaused on EventDestroyed crashes the editor on compile. Reproduced in 4.7.3 binary and Main (//depot/UE4/Promotable-CL-2496752) Crash Report: [Link Removed] Call Stack: UE4Editor_Engine! U ...

Editor Crashes on Nvidia GT 630M

Editor Crashes on startup when using an NVidia GT 630M graphics card ...

Alembic Importing with Incorrect UV's

When importing an Alembic file into the engine, the UV's appear rotated and missing textures for certain faces. This can cause stretching within the UVs which is what is being reported in the post p ...