Unreal Engine Issues

Replicated subobjects list crashes with unreachable yet valid objects when UE_NET_SUBOBJECTLIST_WEAKPTR=0

This seems to occur when the subobject is considered unreachable but is not yet pending kill/marked as garbage. In this case, IsValid returns true while FWeakObjectPtr::Get returns nullptr for the o ...

Grass on landscape Component was messed up when painting blend mask if this component has LODBias>0

Editor crash when shader debugging enabled including r.shaders.optimize=0

The editor crashes when activating cvar options for shader compilation and debugging. ...

MaterialTextureScale calculated incorrectly for materials with WorldPositionOffset

When a Material uses WorldPositionOffset, the MaterialTextureScale is calculated incorrectly because FMaterialUtilities::ExportMaterialUVDensities() calls FMeshRenderer::RenderMaterialTexCoordScales ...

Moving Asset back to the location where a fixed up redirector was located can remove it from source control

Loss in Specularity on Skin Shading when Shadowed by Indirect Capsule Shadows using r.sss.checkerboard 0

A licensee is reporting incorrect or over exaggerated loss of specularity on the Subsurface skin shading model when shadowed by indirect capsule shadows, and then modifying the r.sss.checkerboard se ...

Destructible doesn't return Impulse data on hit

Destructible doesn't return Impulse data on hit User Description: I'm working on a project with destructible structures. I'd like to apply damage to actors that are hit by fractured destructible m ...

Custom Primitive Data changes done in the details panel on a placed BP Static Mesh resets to 0 after modifiying it

Custom Primitive Data values don't stick when editing them in the detail panel on a placed BP actor containing a Static Mesh Component.  Duplicate of [Link Removed] ...

BSP Converted to Static Mesh with Multiple Materials Will Only Show Element 0 After Migrating and Changing LOD Settings

Crash when spawning multiple HISM at runtime in a packaged shipping build

When adding multiple Hierarchical Instanced Static Meshes on a loop and packaging the project in Shipping configuration the application crashes due to LowLevelFatalError [Link Removed] [Line: 1431] ...