Stateless Connect Handler's SessionId and ClientId checks not working with SteamSockets

UE - Online - Feb 14, 2023

We've had a couple of reports of the recently added session/client id checks in the StatelessConnectHandlerComponent failing when using SteamSockets. The connections fail with the "Rejecting handsha ...

GameThread + AsyncLoadingThread deadlock - StaticLoadObject vs. StaticAllocateObject

UE - CoreTech - UObject - Feb 14, 2023

User reported encountering a deadlock between GameThread and AsyncLoadingThread and provided two callstacks.User quote I've been running into a deadlock intermittently with a custom blueprint conso ...

AnimDrawDebug does not work if using RootMotion from Everything

UE - Anim - Gameplay - Feb 14, 2023

Debug drawing with AnimDarwDebug~ does not work when RootMotionMode is set to "RootMotion from Everything". In addition, the same issue occurs when MultiThread of Animation is turned off. Licensee ...

FMassArchetypeData::ExecutionFunctionForChunk crashes on binding shared fragments

UE - AI - Mass - Feb 14, 2023

FMassArchetypeData::ExecutionFunctionForChunk is using wrong mappings while binding shared fragments. It's using RequirementMapping.ChunkFragments while it should use RequirementMapping.ConstSharedF ...

Blueprint Nodes no longer Grid Snap to straight lines

UE - Editor - Feb 13, 2023

5.0:[Link Removed] 5.3:[Link Removed] Attached is a video of the two screenshots overlaid and lined up by their top edges. It appears that the Begin Play node (and others?) have more padding now, w ...

crash from a race condition between interchange worker dispatcher and worker handler

UE - Editor - Content Pipeline - Import and Export - Feb 13, 2023

[CrashReport]UnrealEditor-Core!FNamedTaskThread::ProcessTasksNamedThread(int,bool) [TaskGraph.cpp:760]

UE - Graphics Features - Feb 13, 2023

Generated from CrashReporter ...

LOD streaming requests for distance fields are overridden with additional scene captures.

UE - Graphics Features - Feb 12, 2023

The distance field scene is shared between scene renders in a given frame. However, LOD requests are not tracked over the entire frame, but per scene render (e.g. camera or scene capture). Thus, if ...

Atmosphere related scan line artifacts for Path Tracer with MGPU

UE - Graphics Features - Path Tracer - Feb 10, 2023

There are two UDNs related to this issue.  It makes the Path Tracer unusable with MGPU, with atmosphere enabled. I already have a one-line fix implemented and tested.  The atmosphere scan line arti ...