[AI] WP Dynamic navmesh fails to rebuild tiles with actors that are loaded but not part of the base navmesh.

UE - AI - Navigation - Feb 18, 2025

WP dynamic navmesh does not properly react to actors or navigation modifiers that are loaded in areas that the navmesh has not yet streamed into. Although the actors/modifiers are not part of the ba ...

The Starter Contents SM_Statue exists in a bad state, leading to crashes when trying to open levels where it is referenced

UE - Graphics Features - Ray Tracing - Feb 18, 2025

The SM_Statue exists in a bad state leading to a crash when it is loaded or anything that references it is loaded, e.g. Minimal Default level in the Starter Content. It can be deleted as a temporar ...

Packed Level Actors will create ISMs with inverted normals when a portion of static meshes have negative scales. This is apparent with two-sided materials.

UE - World Creation - Worldbuilding Tools - Feb 17, 2025

Packed level actors will create ISM instances with inverted normals when the selection of meshes used to create the packed level actor contains a subset of meshes with negative scales. This is the ...

FBX naming conflicts causing collision to not import correctly.

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

For our static mesh pipeline we have group nodes in Maya that use the name of the asset. Under that we have a mesh that also has the name of the asset. We may also have collision as well so a typica ...

5.5.4 - Morph targets 1 frame offset

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

Morph targets work! Yay! But found another issue. Basically import an fbx with multiple animated morph targets applied to it. The morph change shape over 1 frame and for some reason in 5.5.4, there' ...

Wrong motion vectors with Nanite ISM when using ActorPosition material node

UE - Graphics Features - Feb 17, 2025

Here is the file for the repro project in Google Docs, due to the file size limit: [Link Removed] ...

Linear interpolation occurs on constant tangent curve partially

UE - Anim - Runtime - Feb 17, 2025

When using UV scrolling for a flipbook-like animation in Animation Sequence, creating keys with "Constant Tangent" settings on Curve Editor does not result in an instantaneous change to the specifie ...

Retargeting montages breaks the referenced animation's in Pose Search Databases

UE - Anim - Rigging - Retargeting - Feb 17, 2025

If users retarget a montage that is referenced by a pose search database, the reference in the PSD is wrongly changed to reference the new montage.  This means any users that use montages with motio ...

IK Retarget editor's asset browser doesn't list all asset types

UE - Anim - Rigging - Retargeting - Feb 17, 2025

Certain asset types that are displayed in the Retarget Animation window are not displayed within the asset browser in the IK Retarget editor ...

Adding Images: The image header is unrecognized

RC - Editor - Feb 14, 2025

This issue occurs only on Windows 11 24H2, but it affects all RealityCapture versions on this OS. It is allso not possible to open the images with the Windows Photos App.  ...