Unreal Engine Issues

Unable to interact or collide with geometry collection after Removal on Sleep or Break timer finishes, yet unbroken piece continue to render

Context: A static mesh is able to have a geometry collection generated from it using the Fracture editing mode. It can be fractured in many different ways, and when acted upon by a chaos field agent ...

Empty View Sets created when creating new images or panoramas

Reported in SF [Link Removed] Starting in TM 2025.2, when creating new images or panoramas, a new View Set is created with each new image or panorama. These View Sets will not have any names and ca ...

Iris - Ensure hit when destroying a torn off actor from AActor::TornOff

As of CL 42014318, StopReplication requests that occur during ReceiveUpdate are delayed until all received data from the update is finished processing, including if the actor is torn off. However, i ...

Adding weights to bones doesn't properly update skeltree

"Could not find static actor" errors on standalone editor client when connecting to PIE server

This seems to be due to how FObjectReferenceCache and UEngineReplicationBridge handle remapping object paths for PIE. When creating the object reference handle, the object’s path should get renamed ...

Sequencer: Camera blends restore to incorrect view target after Keep State

When a Level Sequence’s Camera Cut track with When Finished = Keep State is played, the “original state” is persisted into the PreAnimatedStorage array inside FPreAnimatedCameraCutStorage. From the ...

Cloud materials not loaded in local Presentations

Reported in SF [Link Removed] Locally exported Presentations may show some downloadable Twinmotion library materials with the placeholder material when the Presentation is opened. This only occurs ...

HDRIs do not appear in exported Presentations

Reported in SF [Link Removed] HDRI environments are not appearing in exported Presentations. Occurs for both Local and Cloud exports and across all HDRI types. Thumbnails for Cloud Presentations w ...

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

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 ...

Invalid Landscape Normals at component boundaries and subsections In Packaged Build

In UE 5.6, heightmap texture compression was introduced. The original implementation did not consider duplicate pixels along subsection and shared textures (multi-component) boundaries. As a result, ...