Unreal Engine Issues

StaticMesh fbx importer test the mesh bounding box using local instead of global

Setting an overlay's alpha to 0 does not display as fully transparent

Safe zone overlay ignores alpha when set to 0.0 in DefaultEngine.ini. Tested:  4.23.1 CL#9631420 , 4.25 CL#11341939 ...

Command r.DebugSafeZone.Mode 0 does not disable overlays

Running the console command r.DebugSafeZone.Mode 0 does not disable all overlays.  The issue occurs when setting custom values in DefaultEngine.ini as well.  Tested using the following settings:  ...

Foliage's Landscape Layers are not reflected when Landscape is rotated

This problem seems to occur because Rotation is not taken into account when calculating Weight. I have confirmed that it can be solved by calculating the rotation as follows.float ULandscapeCompone ...

FloatCurveAsset reference is lost when reopening a Struct

Structs containing references to instances in the content browser of FloatCurves fail to store these data formats as default values. This was reported and tested in 4.24.2 (CL-11100242). This was r ...

Weighted Tangent not functioning in Curve Asset

Weighted Tangent handle modifications do not work as expected in Curve Assets. ...

Mac - Unable to drag-drop import with special characters

Dragging + Dropping a file with special characters to import on Mac results in Error. "LogFactory: Error: Can't find file 'filepath' for import" Workaround: Click 'Import' in content browser inste ...

Complex collision mesh might lose its collision in the editor

This is affected by loading order. In the case, display mesh was loaded firstly and try to build collision mesh form complex collision mesh asset. But the collision mesh didn't finished to make Ren ...

Using Collision in Niagara without an Update Age module will prevent any particles from spawning

Using Collision without Update Age will prevent any particles from spawning. In Collision Query and Response DataInstance.Alive has a default value of false. If no other module sets DataInstance.Ali ...

PIE crash due to non-empty ULevel::DestroyedReplicatedStaticActors array

It's possible to end up in a state where some entries were saved in ULevel::DestroyedReplicatedStaticActors, which causes a crash when PIE starts up. I'm not sure how entries could end up in this l ...