Unreal Engine Issues

Export Asset Task with Directory as Filename causes Editor Crash

Morph Target Normals behaving strangely when deforming

Morph Target Normals not importing as expected when Normals are locked User's morph targets are creating strange normals when the normals are locked in Maya upon export Cannot find suitable workar ...

Cannot import multiple assets to content browser at once on Linux

When importing assets in the content browser only one asset can be selected at a time. Ctrl+LMB does not select more than one asset. Shift+LMB does not select a group of assets. ...

Texture padded to Power of Two do not render on iOS

Textures that have been padded to Power of Two (using the Power of Two Mode in the Texture Editor) do not render on iOS. In the repro provided, QAGame has a mobile interface that uses 100x100 textu ...

Performance decreases with the number of morph targets

Performance decreases quite a bit on characters with large number of morph targets, as soon as even one target is active.  ...

Animations imported with Skeletal Mesh are not marked as dirty and don't get saved

Animations imported with Skeletal Mesh are not marked as dirty and don't get saved. They disappear when the editor is restarted. This does not occur in 4.11 or 4.13. ...

Weird results in lightmaps after update to 4.21.2

Reported by our licensee Gungho. Reproduced in 4.21.2, win10 ...

Normals and Tangents cannot be load correctly when re-importing Skeletal Mesh

This problem started in 4.24 and not in 4.23. CL 9114926 seems to be relevant. ...

User can click through Notifications

BRANCH: //depot/UE4-Releases/4.10, but also current Main DESCRIPTION: When there is a notification up, such as launch on, the user can interact with the editor through it. *User shows video of the ...

If Material is not overridden, Material will not be exported correctly.

This is because FFbxExporter::ExportStaticMeshToFbx() does not correctly determine the OverrideMaterials.  Therefore, the following code will not pass.else { Material = StaticMesh->GetMaterial(P ...