Unreal Engine Issues

AsyncSaveGameToSlotForLocalPlayer does not properly handle multiple requests

ULocalPlayerSaveGame::AsyncSaveGameToSlotForLocalPlayer was designed to properly support multiple in flight requests at the same time, but the current code does not work correctly and this can cause ...

Typo in NaniteRasterizer.usf preventing low tessellation mode at distance

A typo in a conditional compilation macro in NaniteRasterizer.usf causes code controlling distant tessellation reduction to never be included in final shader code. This means that the low tessellati ...

GetStaticRayTracingGeometries doesn't check if mesh has ray tracing disabled

An ensure is hit for static raytracing geometry because skeletal mesh assets that had ray tracing disabled were not handled in: FSkeletalMeshSceneProxy::GetStaticRayTracingGeometries The concurrent ...

Console and DebugScreenMessages aren't visible when using Deferred Renderer in VR

Build crash when enabling r.CreateShadersOnLoad=1

When "r.CreateShadersOnLoad" is enabled, cooking will crash due to failure to create a shader. This occurs on //UE5/Release-5.5, CL: 41545209 and //UE5/Release-5.6, CL: 45232827 ...

"Visualize Level Instance Editing" defaults to on, during sequencer playback (for sequences withing a level instance)

Version: Main branch 46320669; 5.7 Preview Epic Launcher pre-built; Issue: Playing a <sequence> that is withing a <level instance> turns back on gray <level instance editing> visualizing shader e ...

5.6 Skeletal Meshes with Disabled Sections Flicker in Ray Tracing Scene

Skeletal meshes with disabled mesh sections will flicker in the Hardware Ray Tracing Scene. Also tested on //UE/Release-5.6, CL:45232827 ...

Landscape Splines in Partially Loaded World Partition Levels Can Cause Nanite Landscape Invalidation

Certain placements of landscape splines in world partition levels can cause Nanite landscape proxies to invalidate, and switch back to their non-nanite version. This happens when specific regions of ...

Animation Constraint Jitter in Sequence when Constraining Layered Control Rig node

When using constraints with layered control rigs, you get jitter on the constrained object. ...

[AI] StateTreePropertyRef does not have option for Promote to Parameter

I got a report from one of my designers that since we took 5.6, they have been unable to see the "Promote to Parameter" options when attempting to bind an output from one of our common tasks. I took ...