Unreal Engine Issues

Spot Light USD Export Produces Incorrect Intensity Values Based on Cone Angle and Source Radius

UPDATE: Should be fixed as of CL#52537078 (fb7af1) USD: Bake all frames of exposure animation tracks. When exporting Unreal Engine spot lights from a level to USD, lights with identical EV intensit ...

[StateTree] Cannot use SetLinkedStateTreeOverrides if the linked asset uses the same schema with a parent context data class of the root tree.

If both assets have the same schema (StateTreeComponentSchema), but the root tree has the Context Actor class set to Character and the linked asset is using a Context Actor class of Pawn. So the sch ...

[Enhanced Input] Edge case where bShouldBeIgnored incorrectly being reset after FlushPressedKeys is called

[Link Removed] From UDN, the steps for their repro case: Normal case: Frame N : AddMappingContext → bShouldBeIgnored=true → FlushPressedKeys → bDown=false Frame N+1: OS IE_Repeat arrives → ...

Trying to view transient skeletal merged mesh crashes engine

Using the Merge Meshes blueprint function within the Skeletal Merging Library. It does seem to work in that I see my merged mesh in a PIE environment, but if I double click on the transient mesh I g ...

Geometry collection : Should allow newly broken pieces to go through their own collision detection and constraint solve before the next iteration

Mutable: Child parameters hidden when intermediate Object Group uses "All Options"

FCustomizableInstanceDetails::FillChildrenMap() unconditionally registers parent-child relationships via __ParentParamName metadata without verifying the parent exists in the active parameter list. ...

Mesh Reshape node with modified geometry from another skeleton explodes mesh.

Using the mesh reshape node with seperate meshes produces a broken mesh. An example project: Most if not all clothes will be originally made to fit the Average Male body. I'm trying to morph a tu ...

Control Rig + Animation in Sequencer Can Lead to Unexpected Slider Reset

When a character has both a Control Rig track and an Animation track, interacting with any slider in Sequencer can be interrupted. ...

CSM Cached Shadows missing when changing FOV

When changing the camera FOV with r.Shadows.CSMCaching enabled, the cached shadows don't appear to be used and shadows are missing. This occurs because the r.Shadow.RadiusThreshold can be low enoug ...

Hair Shadows Not Affecting SSS Back Scattering (Subsurface Profile)

Groom strands do not appear to correctly block transmitted light for Subsurface Scattering Profile Materials. In some cases, not only will they not block the light, but can instead lead to more ligh ...