Unreal Engine Issues

Placing WaterBody makes sub-levels that should have no effect dirty

This issue occurs when using the Landscape Streaming Proxy. ...

SpeedTree velocities broken

Renaming Renderer in Parent Emitter breaks name in Child Emitter

Renaming a renderer in a parent emitter reverts the name of the renderer in the child emitter.  ...

Renaming a folder removes empty sub folders

When renaming a folder with empty folders inside of it, the empty folders are removed.   This issue is occurring in Perforce //UE5/Main @ CL 15655697 This issue is occurring in Perforce //UE4/Ma ...

Max Depenetration Velocity cannot be set to zero after setting it to a non-zero value

It seems that when setting the Max Depenetration Velocity to a non-zero value, you are then unable to set it back to 0. Tested in //UE4/Release-4.25 @ CL 14469661 and this did not occur so marking ...

Collision lost from body when using world composition and streaming

Physics object from a streamed level does not interact with other physics objects in persistent level. ...

Using Virtual Texture Streaming checkbox in texture editor can break materials

A texture can be toggled between virtual texture and regular texture using the Convert to virtual texture/regular texture tool in the texture asset context menu. This updates referencing materials t ...

ProceduralMeshComponent only supports 4 out of the possible 8 UV channels

Licensee reports that Procedural Mesh Component is apparently limited to 4 UV channels, which indeed appears to be the case (e.g. UProceduralMeshComponent::CreateMeshSection arbitrarily processing 4 ...

Second controller input doesn't work setting client mode on PIE.

When two controllers connected, player2 input is disabled in client mode in PIE. It worked correctly in 4.25, but it has been wrong since 4.26.  Digging into FSlateApplication::ProcessKeyDownEve ...

USceneComponent::AttachChildren entries overwritten on Client with NULL

The issue occurs if a non-replicated actor is attached to a replicated scene component on the client, and then the same is done on the same scene component on the server. The attached actor does not ...