Unreal Engine Issues
Unreal Engine Issues
[Interchange] No data imported when trying to import animation only on a previously imported skeleton.
UE - Editor - Content Pipeline - Import and Export - Jul 29, 2025Copy Pasting Folders with Bindings and objects outside of the folders does not recreate them correcly
UE - Anim - Sequencer - Jul 29, 2025Hardware Raytracing on Lumen can cause a crash on AMD Radeon GPUs
UE - Graphics Features - Lumen - Jul 29, 2025Hardware Raytracing support can cause a crash on AMD Radeon GPUs when creating the RT pipeline state. ...
GPULightmass baking issues on AMD
UE - Graphics Features - Jul 28, 2025Volumetric Light Maps are not generated correctly when baked with GPU Lightmass on AMD GPUs. The issue has been reproduced on RX 9070, RX 9070 XT, and RX 7900 XT. ...
Unloading a World Partition region during nested Level Instance inline editing prevents exiting editing mode
UE - World Creation - Worldbuilding Tools - Level Instances - Jul 28, 2025In the case of a single-layer Level Instance, actors are still referenced even when the region is unloaded. However, in the case of nested Level Instances, the level being edited is discarded when t ...
Mutable RemoveMesh node with data from DataTable
UE - Anim - Mutable - Jul 28, 2025Hi, We are trying to use Mutable plugin to avoid clipping using the RemoveMeshNode with data from DataTables. However we are having trouble with the most basic example of our idea. We have a Data ...
Exception generated launching Horde Agent built with 5.6
UE - Foundation - Horde - Server - Jul 28, 2025The source of the problem seems to be using IOptionsSnapshot with a Singleton. Per the MS documentation for IOptionsSnapshot, "Is registered as Scoped and therefore can't be injected into a Singleto ...
Copy-pasting custom property nodes (ControRig etc.) results in invalid bindings, perf issues
UE - Anim - Rigging - Control Rig - Jul 28, 2025From this UDN: [Link Removed] Suggested fix:Override PostPasteNode to perform the GUID update andAdd validation on load to strip 'invalid' copies that do not correspond to a valid pin input ...
Restoring AnimInstance fails when ControlRig and Motion tracks are consecutive in sequencer
UE - Anim - Anim in Engine - Jul 27, 2025In the Sequencer, Control Rig and Animation tracks are placed consecutively. During the transition, the Animation track captures the AnimInstance state before the ControlRig track's RestoreState is ...
Merge Actor - Approximate Actors algorithm is using Mesh Description directly rather than the Nanite parameters
UE - World Creation - Worldbuilding Tools - Merge Actor - Jul 25, 2025In an ideal world, all mesh merge algorithms should have the option to use as input one of the followingRender mesh (non-nanite) (+ the option to target a specific LOD)Mesh Description (+ the option ...