Unreal Engine Issues

Unable to overlay image on top of people occlusion image on ARKit

From licensee:   when the Enable Automatic Camera Overlay is enabled you will get the People Occlusion image overlaid above everything so no objects can be in-front of it. And if you disable Automa ...

Editor freezes up when dragging the scroll bar of the Visual Logger window when a bvlog file isn't loaded

When adjusting the scroll bar in the Visual Logger window, the editor freezes up. There is no callstack provided in the logs. The only way to close the editor at that point is to close it through th ...

Crash assigning static mesh to LightWeightInstanceStaticMeshManager

Crash occurs when the user assigns a static to the Instanced Static Mesh Component in a LightWeightInstanceStaticMeshManager. I couldn't reproduce this with an actor blueprint with an ISMC or HISMC ...

r.MaxAnisotropy does not work in editor

Setting r.MaxAnisotropy by console in editor has no effect on texture sampler's MaxAnisotropy. If the startup value of r.MaxAnisotropy is 8, then the MaxAnisotropy is always 8 no matter how  r.MaxA ...

Crash when setting Kill Particles to true on some emitters in a Niagara System

When setting the Kill Particles boolean of an emitter in a Niagara System to true, the editor crashes. So far, I've only been able to reproduce the issue with the NS_EH_KP system that a user provide ...

Editor hard-locks when deleting a level converted to World Partition

Encountering an editor hard-lock when attempting to delete a level converted to World Partition. I'm unable to reproduce this hard-lock if the level is created using World Partition, only post-conv ...

UObject properties in OnRep functions can be invalid

The shadow state used to store previous values on the client side is not GC aware, so when an object gets garbage collected it's not nulled out of the shadow state.  This results in stale pointers b ...

FileSystemDerivedDataBackend may output a corrupted access log

This problem is caused by the AccessLogWriter has not been flushed at the termination. The following workaround flushes the Writer.class FFileSystemDerivedDataBackend : public FDerivedDataBackendInt ...

Stacked shots will evaluate both sub sequences instead of just the topmost

Overlapping shots will evaluate all shots instead of the topmost one. ...

StaticMesh - CustomDepth breaks occlusion culling without custom depth enabled