Virtual Texture Collection Indexing Not Working

UE - Rendering Architecture - RHI - Oct 30, 2025

Textures at an index, other than 0, cannot be sampled from a Virtual Texture Collection in a material. When using the Texture Collection and Texture Object From Collection material nodes, with a Vir ...

Placed render targets are not initialized properly in D3D12

UE - Rendering Architecture - RHI - Nov 21, 2025

Pixel Inspector does not display Gbuffer values properly when a mesh with a material that has Anisotropy set is in Level

UE - Graphics Features - Jan 16, 2024

This issue occurs when there is a material with Anisotropy, like the attached GIF.[Image Removed] ...

Water body actor casts static shadow

UE - Graphics Tools - Terrain - Water - Jan 14, 2025

WaterBody Actors will cast static shadows in built lighting even if their Cast Shadow options are disabled. ...

Blueprint actors can not be casted until they have been opened after migration or being upgraded to a more recent engine version

UE - Framework - Blueprint - Jan 5, 2023

This is not a regression tested in //UE5/Release-5.0 CL20979098 After migrating an asset from an older engine version or upgrading a project to newer version Blueprints carried over can not be cast ...

Per instance custom data and Material Layers issue

UE - Rendering Architecture - Dec 12, 2023

Niagara mesh particles invalidate lighting when "Cast Shadow" is enabled with Hardware Ray Tracing enabled

UE - Graphics Features - Lumen - Jun 24, 2025

Lumen HWRT, combined with Niagara Mesh Renderer, can cause the Lumen Scene to be reset, resulting in a sudden change to indirect lighting. ...

Inconsistent Details Panel Focus Behavior On Enter Pressed for Blueprint-Added Components

UE - Editor - Workflow Systems - Jul 2, 2025

When editing a component property in the level viewport, if the component was added via the Blueprint Editor, pressing Enter after changing a value causes the details panel to lose focus. This inter ...