Unreal Engine Issues

Wrong motion vectors with Nanite ISM when using ActorPosition material node

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

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

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

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

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.  ...

Additives using Frame From This Animation as the Base Pose Type fail to retarget correctly

Additive animations that use a frame from their own sequence as a base pose are initially broken when retargeted.  Users have to refresh the properties that select the base pose in order to fix the ...

Curves do not scale with modified animation length at reimporting animation with new interchange importer

In UE 5.5, "Open Level By Name" is not able to find the map if the map is not added to "List of maps to include in a packaged build"

The "Open Level By Name" is not able to find the map to travel when the map is not included in the "List of maps to include in a packaged build" option. This issue was not happening in UE 5.3 and UE ...

Duplicating many Actors at once in a Level Instance while in Level Instance Edit will result in a jumbled mess of Actors on the Persistent Level

Duplicating many Actors at once in a Level Instance while in Level Instance Edit will result in a jumbled mess of Actors on the Persistent Level. The licensee has encountered this in Unreal 5.4 and ...

Incorrect mesh deformation when Max World Position Offset Displacement used

When Vertex Animated Texture is used to animate a mesh with World Position Offset, often the Max World Position Offset Displacement Material setting must be increased or the Bounds Scale increased, ...