Unreal Engine Issues

Crash when moving actor on viewport with HierarchicalInstancedStaticMeshComponent.

Create ActorBP has StaticMesh is not assigned to HierarchicalInstancedStaticMeshComponent. Place this actor on the level, and bind the StaticMesh from the Detail tab and add the appropriate Instance ...

Crash when selecting ResizeMode "Invalid" of ChangeComponentSize on LandScapeEditor.

check(0) is used in UpdateComponentCount () of LandscapeEditorObject.h. This looks like an intentional check, but there is a possibility that the user may mistakenly select it. ...

Record with timecode as source but false on start at Timecode causes crash

Contact shadow has box artifacts with backlighting for two sided Subsurface shading model

See slack channel: [Link Removed] ...

Laser scan import: Importing E57 provides the "Operation failed" error

Data: [Link Removed] I also tested other E57 files, and they were possible to import. This one is from RTC360.  [Image Removed] ...

dtNavMeshQuery::findNearestPoly uses hardcoded array size

dtNavMeshQuery::findNearestPoly uses hardcoded array size which results in errors when search radius would require using more polygons then hardcoded the 128. ...

Having "Accurate velocities from vertex deformation" enables causes extreme blur on skeletal meshes

Having accurate velocities from vertex deformation enabled and a SceneCapture2D in the same project will create blurry skeletal meshes. I am unable to reproduce this with an Nvidia graphics card. T ...

HMD Mirror Mode causes vive to have black preview screen

[NickW] SteamVR uses HMD Mirror, but this should fail more gracefully Not sure if this is supported for vive, but it puts the user in a state where they can't undo the command (or change back to a ...

Crash in TMap struct deserializer

When deserializing a TMap<FString, FString> with the JsonStructDeserializer, the Engine crashes. ...

Static mesh does not show after using "Merge Actors" if the mesh is part of a child actor component that has been added to the blueprint

If a user has two blueprints, one with a static mesh and the other with a child actor component that contains a static mesh and that user uses the merge actors tool the child actor component's stati ...