[Attenuation][Spatialization] - If speaker output is set to stereo, the Surround 2D Non Spatialized Radius Mode doesn't generate any audio

UE - Audio - Dec 12, 2023

If Surround 2D is set as the Non Spatialized Radius Mode, there is no fallback option if the user's output is not a surround format (eg stereo). There is also nothing communicated in the Tool Tip. ...

Navisworks - Crash exporting high poly density terrain geometry

UE - Editor - Content Pipeline - Datasmith - Exporters - Dec 4, 2023

Nanite cast shadows from all lights, regardless of lighting channel configuration

UE - Graphics Features - Nanite - Dec 4, 2023

This behavior is inconsistent with the behavior of non-nanite meshes, which receive light and cast shadows only from lights in the same lighting channel. [Image Removed] ...

Volumetric clouds jitter when in front of geometry

UE - Graphics Features - Nov 30, 2023

Potentially related to [Link Removed], but distinct. ...

Newly added local variable types are not consistent with prior variable type

UE - Anim - Rigging - Control Rig - Nov 27, 2023

It seems that local variable creation in control rig isn't following the pattern with regular control rig variables (and general blueprint variables) where the last created and/or edited variable ty ...

Details Panel - ShowOnlyInnerProperties does not work in nested structs unless the outer struct also has the metadata

UE - Editor - Workflow Systems - Nov 27, 2023

The current implementation for inlining struct members is setup in a way where we start with the outermost struct and only recurse into any child structs if it contains the ShowOnlyInnerProperties m ...

Ensure in GatherSubobjectData

UE - Gameplay - Nov 27, 2023

An ensure in GatherSubobjectData is being hit under certain inheritance conditions. This appears to be similar and potentially related to [Link Removed] and the fix at CL 16377852. Stepping through ...

UToolMenus::GenerateWidget can crash while calling PopulateMenuBuilder

UE - Editor - Workflow Systems - Nov 24, 2023

A user reported that UToolMenus::GenerateWidget will crash if UToolMenus::AddReferencedObject is called during the construction of a menu. Using the above in-code repro steps, I can repro this in a ...

Expensive WaitForTask in SceneCapture2D

UE - Rendering Architecture - Nov 20, 2023

UDN users have reported that expensive scene captures stall the render thread due to RDG flushing the RHI thread for resource deletion. This only needs to happen once per frame. ...

Duplicate child actor created on client in editor

UE - Networking - Nov 17, 2023

This seems to be related to the fix for [Link Removed]. Part of that fix made sure that the child actor component recreates the child actor when GIsReconstructingBlueprintInstances is true, as previ ...