Unreal Engine Issues

Memory leak in distance fields with bDisableWorldRendering

There is a memory leak in the Distance Fields category when a mesh continuously moves through the world and the scene is being captured with bDisableWorldRendering set to true. This issue occurs on ...

Crash when Undo after deleting a Material Layer of a Material Instance.

In Unreal Engine version 5.5.4, the Editor crashes when performing Undo after deleting a Material Layer of a Material Instance ...

GPU crash in DistanceFieldShadowing LoadDFObjectDataFromBuffer

When using Perforce, saving a level over another leaves the target umap file as "marked for delete"

When working on a level asset and using command "File – Save Current Level As..." to save it over a different level asset, the engine first deletes the target level (that's going to be overwritten) ...

[AI] "LogNavigation: Warning: UNavigationObjectRepository is required for navigation system operations" when cooking a project with validation enabled

The cook completes with a warning for "LogNavigation: Warning: UNavigationObjectRepository is required for navigation system operations" which causes many CI pipelines to fail as they use treat warn ...

Editor/Game Ensure hit with RayTracing enabled on AMD GPU

A Static Mesh asset will trigger an ensure when generating building the ray tracing acceleration structure on AMD GPUs. ...

Shader info strings overlap in MaterialInstanceEditor and are unreadable

CL-35369646 changed the debug information string to span multiple lines, but the Y offset moves forward by only one line, so the string overlaps. ...

Autokey does not respect min and max limits of control rig animation channel.

When using min or max set values for animation channels in sequencer, the sequencer viewport will show different values than what is capable when using autokey functionality. ...

Using Depth of Field when "r.PostProcessing.PropagateAlpha" is enabled causes halo effect on higher scalability modes and resolution

There is a haloing effect when depth of field is used while post processing also has propagate alpha enabled at higher scalability levels. The effect becomes more obvious as the resolution of the vi ...

Crash when enabling r.PSOPrecache.Resources due to check() in FSkeletalMeshObjectGPUSkin::GetUsedVertexFactoryData

The game crashes because of a nullptr SkinnedMeshComponent in  FSkeletalMeshObjectGPUSkin::GetUsedVertexFactoryData when r.PSOPrecache.Resources is enabled and a skeletal mesh is loaded due to a new ...