Unreal Engine Issues

Instances missing when importing .Udatasmith containing Forest pro entities

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, ...

Reimporting Static Mesh LODs yields unexpected material assignments

Reimporting an asset after making changes causes loss of saved LOD changes when editing a static mesh. Similar issue was logged and fixed for SkeletalMeshes but this issue is still occurring for ...

Replace with child on subtree of the NamedSlot is broken after reloading a widget.

"Replace with child" does not work well with the NamedSlot widget after reloading the widget blueprint in Contents Browser. ...

World Position is incorrect when used to control the opacity mask in a nanite spline mesh

When calculating the opacity mask, Nanite spline meshes do not have the correct World Position in the Material. This leads to visual artifacts when the mask relies on the world position. ...

Masked material using virtual textures covering a decal will result in black pixels

Depth Passes for Masked Materials using Virtual Textures does not work correctly when it is in front of a Nanite Mesh and a Decal, resulting in black artifacts. Also tested on //UE5/Main, CL: 41024 ...

Input Actions bound to Any Key become unresponsive after mouse scroll until scrolled again

In UE latest release (5.5 launcher version), Enhanced Input Actions mapped to "Any Key" stop responding after scrolling the mouse wheel. Specifically, scrolling either up or down disables the Any Ke ...

Matinee doesn't display animated SkeletalMesh if its origin is out of view

From 8/17/16 Tools sync: This is probably also happening in Sequencer. Think Sequencer should just auto-set this flag. ----------------------------------- If a SkeletalMesh actor is placed beyond v ...

Deferred and DBuffer Decals Normals are altered when adjusting the X Size/Scale

Adjusting the X Size of a Decal is causing the normals to distort [Image Removed] Reproduced in 4.11-Releases-CL-2804793 Reproduced in DevRendering-CL-2806984 ...

Changing transforms to absolute in parent blueprint does not propagate to child blueprints in the level

If the transforms for a blueprint component are changed to "absolute" location and/or rotation, new child blueprints created will correctly show the absolute location/rotation changes, but the child ...