Unreal Engine Issues

Fatal Error when setting S RGB to true on a Texture 2D from a Render Target Create Static Texture Editor Only node

This is a regression. Tested in //UE4/Release-4.27 CL#18319896 Fatal Error when setting S RGB to true on a Texture 2D from a Render Target Create Static Texture Editor Only node. ...

[Debug Tools][Crash] - Enabling au.editor.ForceAudioNonStreaming causes editor to crash the next time the user PIEs

Encountered while going through some debug commands. Repro 3/3. Crash Reporter Link: [Link Removed]Assertion failed: ChunkIndex != 0 [File:E:\User\Engine\Source\Runtime\Engine\Private\AudioStreaming ...

Engine crashes when building GPU Lightmass in large scenes

Engine crashes when building GPU lightmass in larger scenes. This does not occur on smaller maps like the Unreal Engine Templates. I was able to reproduce this issue in CitySamples SmallCity map. T ...

Grouped actors missing material element slots in details panel after reselecting

Ensure tripped: "Template Mismatch during attachment."

References to external actors are not removed when a data layer is deleted

Data layers still contain references to external actors when they are deleted. ...

VirtualHeightfieldMesh shadow issues

A UDN reported ensure being encountered with VirtualHeightFieldMesh rendering on UE5. Those ensures remain an issue on 5.1 (UE5/Main) as of CL 19779838. [Link Removed] Attempting to repro on PC, th ...

Static meshes disappear after changing a property in the collision category if Enable Async Static Mesh Compilation is false

Editing sets and maps of structures does not correctly check for duplicates

Customer created a custom DataTable with a TSet Property and saw the behavior of allowing duplicate elements within the TSet, which is not allowed. See TSet Documentation for more information. This ...

Actors which do not have a custom actor factory implementation will not get their preview setting set on drag/drop from content browser