HLODs appear dark/near black when built for very large geometry with Virtual Textures enabled

UE - World Creation - Worldbuilding Tools - HLOD - Jan 27, 2025

Building HLODs for a very large landscape with Virtual Textures enabled results in the built HLODs being very dark for the most part. Building the same large landscape's HLODs with Virtual Textures ...

Intermittent Crash in Pose Search during Cook

UE - Anim - Gameplay - Jan 27, 2025

User reports that they've been running into an intermittent crash in Pose Search during Cook. Pose Search attempts to index data outside the bounds of an array. Based on the logs, each asset seems t ...

PropertySet : changes in instancedstruct are not detected by the watch

UE - Graphics Tools - Modeling Tools - GeometryScripting - Jan 24, 2025

Hi, I tried to use for a scriptable tool the watch property node for a struct. The objective for me was to offer to my user a view of a struct in the scriptable tool and have these modifications b ...

Material Parameter in Static Switch Branch of True Controlled by Quality Switch Not Showing Up in Material Instance Panel

UE - Rendering Architecture - Materials - Jan 23, 2025

In material editor, if a quality switch node is used together with a static switch to control branch, material parameters in the 'true' branch will never show up in the Detail panel of material inst ...

Disabling bLerpUVs in Nanite Settings of Static Mesh causes texture warping in clusters

UE - Graphics Features - Nanite - Jan 21, 2025

The licensee has identified a potential fix by changing if( Settings.bLerpUVs ) to if( Settings.bLerpUVs || UVIndex == 0 ) On line 389 of NaniteBuilder\Private\Cluster.cpp in UE 5.5 ...

Textures and Materials Displaying Black in Content Browser and on Meshes

UE - Texture - Jan 18, 2025

I am filing a Jira for this at the request of [Link Removed]  to see if it can be made into a hotfix. It has been reported on the forums and UDN that textures render black. See the Slack thread her ...

[Legacy][FBX] Animation curves are not added to the skeleton anymore

UE - Editor - Content Pipeline - Import and Export - Jan 17, 2025

Foliage HLODs don't respect "Disallow Nanite"

UE - World Creation - Worldbuilding Tools - HLOD - Jan 15, 2025

We have a level with foliage meshes that has been placed via the foliage system. We want to place these into HLOD Layers so that we can disable nanite, and thus enabling the imposter LODs at a dista ...

[UDN 16536278] Sequencer: Stuck undo buffer when using AutoKey "Can't Undo while 'SetKey Value' is in progress"

UE - Editor - Workflow Systems - Jan 15, 2025

Hello, Our animation team reported an issue with the AutoKey feature of the LevelSequencer, sometimes they will notice that after a while, the undo buffer no longer works. Unfortunately the issue ...

[UDN - 16673100] Calling FComponentVisualizer::NotifyPropertyModified() on a FInstancedStruct property loses all data inside because the PreviewActor spawns with default properties in the FInstancedStruct

UE - Editor - Workflow Systems - Jan 15, 2025

We found a problem with the component visualizer system and the PreviewActor in the Blueprint editor. If your component is using a FInstancedStruct in anyway, either directly, in a TMap, or TArray, ...