Unreal Engine Issues

Crash if editing the key properties of a collapsed key that has only 1 channel keyed

Splines handle box collision and collision from other shapes differently

Splines handle box collision and collision from other shapes differently. ...

UMG Animation sounds do not play in PIE

Sounds are not playing in PIE for UMG animations. The sounds will play fine if you launch on or play in Standalone game ...

Components attached via AttachToComponent do not animate correctly when recorded by sequencer

When an actor is attached by the root to a bone of a skeletal mesh through the use of the "AttachToComponent" function in code, it will not follow animations when being recorded by the Sequencer Rec ...

PhysicsConstraintComponent not editable on instances.

When adding a PhysicsConstraintComponent to a class, it can be properly edited in the Blueprint editor. However, if trying to manipulate it via the instance editor, it is "locked down" ...

DLC Package content isn't recognized when using RequestAsyncLoad

Attempting to load dlc assets with RequestAsyncLoad function results in the assets not being recognized. ...

FBX Scene Import duplicates assets within scene

While importing scenes, assets within the scene get duplicated. ...

Toggling SetSimulatePhysics state on a Primitive component with a child PrimitiveComponent leaks PxShapes

FBodyInstance::Weld did not check to see whether or not child components were already welded to a parent. This meant that whenever Weld was called, ShapeToBodiesMap would continue to grow in size, e ...

Particle light flickering with certain Post Process Settings

Particle lights cause flickering when using either FXAA or no AA, but turns into black squares on the screen when you enable Gaussian Blur Regression: Yes, does not occur in 4.10 ...

Crash related to Vertex Painting - MeshPaint!CastChecked<AActor,UObject>()

This crash was reported on the UDN. Upon further investigation it has been experienced by a handful of different users throughout 4.11 and 4.12. JIRA logged for tracking despite unknown repro steps ...