Data loss with subobjects in Blueprint arrays

UE - Framework - Blueprint - Mar 6, 2025

RootMotionModifier_SkewWarp bug

UE - Anim - Gameplay - Mar 6, 2025

In /Game/ABPLinkingShowcase/Blueprints/Pawn_ABPLinkingCharacter: The character mesh’s root location is lower than the capsule’s lowest point. This is what causes the issue. Based on the event graph, ...

Metdata 'ForceAsFunction' does not prevent conversion to event

UE - Framework - Blueprint Editor - Mar 6, 2025

Quote from the UDN: This is easily fixed with a conditional in bool FBlueprintEditor::ConvertFunctionIfValid(UK2Node_FunctionEntry* FuncEntryNode) which we've done locally, but should probably be ...

Crash trying to convert skeletal mesh to Nanite

UE - Graphics Features - Nanite - Mar 6, 2025

In SkeletalRenderNanite.cpp / FDynamicSkelMeshObjectDataNanite::UpdateBonesRemovedByLOD, bone indices are of type FBoneIndexType (defined as uint16 from BoneIndices.h), instead of int32. On line 18 ...

FRayTracingGeometryManager::Tick() called twice during a single frame

UE - Graphics Features - Ray Tracing - Mar 5, 2025

UDN licensee Prophecy Games has encountered an issue in which the RaytracingGeometry::Tick() function is called twice during a single frame. This causes an assert to trigger, which blocks them from ...

Texture reprojection from one plane to another produces displacement map with a pattern

RS - Texturing - Mar 4, 2025

Found in 1.5.1.118081 Project: [Link Removed] Message from customer: "The problem occurs when using the texture reprojection tool on a surface scan to bake model details onto a simple bake plane ...

UGS scheduled sync doesn't account for sleeping machine

UE - Foundation - UGS - Mar 4, 2025

Source [Link Removed] As a developer, I would like to have my scheduled syncs in UGS be honoured during computer sleep so that I can have my computer in sleep for the most part, and have it wake wh ...

Materials for certain groups appear black in Path tracer when "Keep hierarchy" is used to import .skp files.

TM - Interoperability - Mar 3, 2025

Reported by a client in SF [Link Removed] When importing SKP files using the Keep Hierarchy collapse mode, some imported objects in Groups inside SketchUp will appear black in Path Tracer. Appears ...

Crash when using a bitmap in a material.

TM - Core - Mar 3, 2025

see repro steps: direct crash the material comes from FAB model:  [Link Removed] ...