Fix a crash in Callback_ResolveMarker when handing a GPU crash

UE - Rendering Architecture - RHI - Jan 20, 2025

Licensees have reported crashes being triggered while the engine is resolving debug markers for an Nvidia Aftermath dump. This makes it difficult to properly investigate crashes ...

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

"Create Layers From Assigned Materials" assigns existing LayerInfos at random

UE - Graphics Tools - Terrain - Landscape - Jan 17, 2025

The automatic landscape layer assignment that is performed when using "Create Layers From Assigned Materials" just uses the first layer info it finds with the layer's name, which leads to maps refer ...

[Interchange][FBX] Bone orientation is different between legacy and interchange import with the ForceFrontXAxis

UE - Editor - Content Pipeline - Import and Export - Jan 16, 2025

When importing FBX files using the Interchange and legacy import with Force Front X Axis enabled, the transforms of the bones in the imported FBX models will not match. ...

GPU Crash from invalid SRV in CreateShaderResourceView due to integer underflow

UE - Graphics Features - Ray Tracing - Jan 15, 2025

The GPU crashes after the ray tracing geometry builder attempts to create a shader resource view with an invalid offset. ...

Compiling any material in UE 5.5.1 without ShaderCompiler JobCache results in a crash

UE - Rendering Architecture - Shaders - Jan 15, 2025

Compiling any material with r.ShaderCompiler.JobCache=0 causes ShaderCompileWorker to crash. Reproduction steps cause a crash during Editor startup, but this bug may affect other scenarios where mat ...

Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.* test cases fail in headless mode due to stylus error log.

UE - Graphics Tools - Modeling Tools - Jan 15, 2025

Hello! In UE 5.5 Preview, new stylus code was introduced, which can cause a test failure in an unrelated test suite, Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.*. The test indirectly ...

Crash when FVolumetricRenderTargetViewStateData::Mode is not properly initialized

UE - Graphics Features - Jan 15, 2025

A licensee has reported that occasionally a race condition triggers a crash during the initialization of FVolumetricRenderTargetViewStateData. If FVolumetricRenderTargetViewStateData::Mode is not pr ...

Cut & Paste in Sequencer breaks with Attach track

UE - Anim - Sequencer - Jan 15, 2025

Cutting two tracks in sequencer, which one is attached to another one, and pasting it break with Attach track. By this operation, Attack track loses its binding object. Copying such tracks and paste ...