Focus mode in the Editor does not handle Actors without PrimitiveComponent correctly, treating them as if they were at the origin (0,0,0), skewing the camera placement.

UE - World Creation - Worldbuilding Tools - Nov 18, 2024

Focus mode in the Editor does not handle Actors without PrimitiveComponent correctly, treating them as if they were at the origin (0,0,0), skewing the camera placement. Some Actors like the WorldDat ...

Duplicated Child Actor Spawned at (0,0,0) when Using Level Instances

UE - World Creation - Worldbuilding Tools - Level Instances - Dec 5, 2024

Fields with Maximum resolution are not affecting all leaves of a Geometry Collection

UE - Simulation - Physics - Destruction - Apr 25, 2025

Fields with Maximum resolution are not affecting all leaves of a Geometry Collection on 5.4 and onwards. When calling GetRelevantParticleHandles() a Maximum Resolution field does return all particl ...

Affect Indirect Lighting While Hidden can affect the environment after data layer unload in editor

UE - Graphics Features - Sep 9, 2024

After setting Affects Indirect Lighting While Hidden but before saving the level, the emissive contribution persistents through datalayer visibility toggles. This does not appear to occur in PIE, on ...

Starting PIE with an unloaded player start spawns the player at (0,0,0)

UE - World Creation - Worldbuilding Tools - Mar 19, 2024

From licensee:What happens is that UEditorEngine::CheckForPlayerStart() is returning the PlayerStart in the data layer, so FInternalPlayWorldCommandCallbacks::PlayInViewport_Clicked() doesn't route ...

Raytraced lights with Source Length > 0 behave incorrectly with Megalights

UE - Graphics Features - Ray Tracing - Mar 26, 2025

When Megalights is enabled, light can leak into areas that should be occluded for lights with smallish (5.0) source length and source size. [Image Removed][Image Removed] This was taken with r.Ray ...

Scaling actor along the Z Axis while the X and Y axis are set to 0.01 causes the Actor to stop rendering in the scene

UE - Graphics Features - May 27, 2022

This is a regression tested in //UE5/Release-5.0 CL18319896 Scaling a Static Mesh along the Z Axis while the X and Y axes are set to 0.01 causes the Actor to stop rendering in the scene once the Z ...

NetUpdateFrequency Affected by Global Time Dilation

UE - Networking - Jan 13, 2025

Changing the global time dilation in a multiplayer game affects the rate at which actors are considered for replication, and setting it to 0 will even cause replication to stop entirely (unless the ...

When using ProceduralFoliageVolume, ActorFoliage can be used even if World Partition is enabled in UE5.0

UE - World Creation - Worldbuilding Tools - Foliage - Jun 28, 2022

UE5.0 does not support ActorFoliage at Levels where World Partition is enabled ( [Link Removed] ), but ActorFoliage will work via ProceduralFoliageVolume. And when you cook the level you will get an ...

Mover MoveDirectionIntent can be 0 due to interpolation

UE - Gameplay - Player Movement - Apr 22, 2025

If two states have MoveDirectionIntent vectors that are opposite to each other, interpolating between these states can result in MoveDirectionIntent being 0. This may cause issues for animation blue ...