Unreal Engine Issues

Removing components from Landscape with simplified collision results in assertion

Performing operations on a Landscape with simplified collision can result in an assertion ...

SkeletalMesh import do not add and assign LOD only material

The skeletal mesh importer do not add and assign material for the LOD when we import them in the same file has the base LOD. ...

[Interchange][FBX] Bone orientation is different between legacy and interchange import with the ForceFrontXAxis

When importing FBX files using the Interchange and legacy import with Force Front X Axis enabled, the transforms of the bones in the imported FBX models will not match. ...

Landscape with increased scale value does not sculpt with low strength brushes

A landscape that has been increased in scale by using the Transform values of the Detail's pane does not allow small brushes with low strength to sculpt them. ...

Crash occurs when RayTracing.ExcludeDecals is enabled

The cause of the crash is out-of-range access to the array. ExcludeDecals eliminates the mesh instance to which the decal material is assigned, but it seems that the MeshCommand has been registered ...

drag the progress bar in level sequence would crash in debug editor

it seems in FSequencerTimeSliderController::ComputeFrameTimeFromMouse the CursorPos is -nan ...

Alembic Import with empty first frame will cause the editor to crash

The editor will crash when importing an Alembic file with an empty first frame. ...

SkyLight IBL looks blurry on Android

Typos in Array.h

In Array.h, there are a few typos in comments. In 4.9.2 and 4.10, the typos occur at line 2335 and 2359. *@param InIntem Item to be added. In Main, the typos are located at lines 2471 and 2495. ...

When using a SpeedTree asset, a Zero Triangles warning appears

When exporting from SpeedTree with LODs + billboard, It seems that a warning is issued by including a material used only by Billboard. Is there a way to deal with it? ...