When breaking a level instance, foliage instances in the LevelInstance are placed in the wrong location

UE - World Creation - Worldbuilding Tools - Level Instances - Jul 8, 2023

Following code works as a work around. The code updates placement information of instances. TMap<UFoliageType*, TArray<const FFoliageInstancePlacementInfo*>> AInstancedFoliageActor::GetInstancesF ...

Add ThinLTO support to iOS

UE - Platform - Apple - Jun 27, 2023

iOS link times could be sped up by adding ThinLTO support as was done for Android recently. ...

[MetaSounds] The Members' detail panel does not accurately update after making an edit and selecting a different member

UE - Audio - MetaSounds - Jun 26, 2023

Note: This issue also affects MetaSound Patches and any Members Menu List Repro Rate: 5/5 Regression marked as No: issue was seen in 5.2 and 5.1  UE5+Release-5.2-CL-26001984 UE5+Release-5.1-CL- ...

GPU ribbon links can occasionally fail

UE - Niagara - Rendering - Jun 23, 2023

Sometimes GPU ribbons will link between one another like this, checking in the debugger you can see that the RibbonIDs are different. [Image Removed] ...

SplineComponent - setting roll affects tangents

UE - Gameplay - Components - Jun 12, 2023

Licensee reports issue with setting roll on a spline component control point. ...

Third person camera lag issue for vehicle in multiplayer

UE - Simulation - Physics - Jun 9, 2023

There's a vehicle/third person camera stutter observed as the vehicle corners. The issue appears worse with Physics Async mode enabled, and less perceptible with this mode disabled. This video was ...

Long thin spinning objects take too long to stop spinning

UE - Simulation - Physics - Solver - Jun 5, 2023

See the SpinningObjectStability test map in the Physics Sandbox. [Link Removed] It's not clear if this is a bug or a side effect of some of our solver shortcuts (e.g., omission of the precession te ...

Path Tracing shadow artifacts

UE - Graphics Features - Path Tracer - May 31, 2023

First picture lit is used [Image Removed] Second picture PT is used, this occurs under certain angles of incidence. [Image Removed] ...

Volume artifacts (Bleeding)

UE - Graphics Features - May 31, 2023

Visual Noise on Thin Translucent materials with a Directional Light

UE - Graphics Features - May 30, 2023

Regression in testing This occurs with hardware and software ray tracing, as well as moveable and static lights This occurs regardless of anti aliasing. This was tested with DX12 ...