Objects with centered pivots become Actors instead of StaticMeshActors when imported via Datasmith

Enterprise - Datasmith - 3dsMax - Jan 18, 2019

When selecting "affect pivot only" and choosing "center pivot" on 56 objects in 3DS Max 2019, 4 of them imported into Datasmith as Actors and not StaticMeshActors. This makes it seemingly impossible ...

Left and Right eye render Ambient Occlusion differently

Virtual Reality - Jan 18, 2019

Ambient Occlusion appears to render differently in each eye when using the oculus rift. This give the user a cross eyed feeling ...

Dedicated server crashes when running a multi-process game in standalone with the Code Editor plugin enabled

Tools - Jan 17, 2019

Attempting to run a standalone server and client using different processes will crash if the Code Editor plugin is enabled. ...

Calling UHierarchicalInstancedStaticMeshComponent::AddInstance multiple times causes crash

Tools - Foliage - Jan 16, 2019

Calling UHierarchicalInstancedStaticMeshComponent::AddInstance multiple times causes multiple BuildTrees to be created and run asynchronously at the same time. Tested in 4.21(CL - 4613538) How t ...

BuildGraph builds some tools for Win32 even if Win32 is excluded from the build

DevTools - Jan 16, 2019

When creating a local binary build of the Engine using the BuildGraph, there are several tools that are built for Win32 even if Win32 was specifically excluded from the BuildGraph (ie. -set:WithWin3 ...

Retargeting an Animation to a Skeleton with a Virtual Bone causes the Engine to crash

Anim - Animation - Jan 14, 2019

This crash occurs when trying to retarget an animation onto another skeleton with a retargeting rig that references a virtual bone. This issue could be similar to UE-37781 This issue was reported ...

UActorFactory::PostSpawnActor gets called twice when an actor blueprint class is dragged into the scene

Gameplay - Core - Jan 11, 2019

Whenever dragging and dropping an actor to the Scene, the function UActorFactory:: PostSpawnActor gets called twice. Tested in 4.20.3 (CL - 4433814), 4.21.1 (CL - 4705082), 4.22 (CL - 4708082) ...

Performance drop when spawning AI actors during runtime compared to placing them in world

Gameplay - AI - Jan 9, 2019

There is a performance difference between spawning and placing AI into a level. This is causing issues when spawning/despawning AI actors in a large open world, where 4-5ms of frame time quickly bui ...

Crash when executing Rename Asset or Duplicate Asset and other functions in Scripted Actions

Gameplay - Blueprint - Jan 8, 2019

In Scripted Actions, if you execute a function after using Rename Asset or Duplicate Asset, it will crash. If you do not execute the function it will not crash. ...