Error when exporting large model to FBX binary

RC - Editor - Sep 16, 2024

It's happening when exported models have over 150 million triangles. Project: [Link Removed]  Note: Reported in the Elite Slack channel. ...

Text wrapping issue when zooming in the UE Editor

UE - Editor - UI Systems - Slate - Sep 14, 2024

I think it's caused by the wrap size doesn't change when the UMG Design Window zooms. ...

Fail to copy files to IOS app with AdditionalBundleResources and UPL

UE - Platform - Apple - Sep 14, 2024

When using AdditionalBundleResources in the Build.cs file to copy files, the files appear in the Resources directory of the generated Xcode project. However, these files are not found in the final i ...

Niagara Sim Cache result from 3D Gas is blocky in Windows packaged game

UE - Niagara - Sep 13, 2024

Summary: Cached 3DGas Niagara system appears blocky in packaged game. Brought up by a licensee via UDN: https://udn.unrealengine.com/s/question/0D5QP00000a17A40AI/niagara-fluids-simcache-artefacts- ...

[Pose Driver Connect] Animation imports that need "Force X Front" are not supported.

MetaHuman - Sep 13, 2024

User's who have imported and set their skeleton to Force X Front, when importing animations from pose driver do not have an option or autodetect setup and the animations are imported normally. This ...

CSM shadow casters falsely culled due to incorrect primitive octree test

UE - Graphics Features - Shadows - Sep 13, 2024

While setting up whole scene shadows, CasterOuterFrustum is used to cull shadow casters from PrimitiveOctree. CasterOuterFrustum doesn't extend far back enough, which means that if an octree node fi ...

Runtime Virtual Texture (RVT) baked mips using Streaming Virtual Texture (SVT) only bakes the base colour

UE - Graphics Features - Sep 13, 2024

Using Streaming Virtual Textures for the lower mips of an RVT using Base Color, Roughness, Normal seemingly leads to both roughness and normal being sampled as 0. This causes a significant shading a ...

Collision Preset of a Static Mesh asset cannot be properly edited with the Property Matrix

UE - Editor - Workflow Systems - Sep 11, 2024

Currently, the Property Matrix does not seem to support Details Customizations. As a result, when a Static Mesh asset is edited using the Property Matrix, the "Collision Presets" combo box does not ...

Crash in NaniteStreamManager when Nanite data fails to decode corrupt data from DDC

UE - Graphics Features - Nanite - Sep 11, 2024

If Nanite data becomes corrupt in the DDC, the Editor may crash in FStreamingManager::InstallReadyPages() when the Pending.State is FPendingPage::EState::DDC_Ready but the resulting SrcPtr is null b ...

Default subobject of dynamic component skips initial replication

UE - Networking - Sep 11, 2024

Because the component's subobjects are replicated before the component, the content block for the subobject is received before the component has been created on the client. Since this subobject is c ...