Unreal Engine Issues

StartCameraFade() breaks on mobile projects after editor is closed/reopened

If a project that is set to Mobile/Tablet and Scalable 3D or 2D uses StartCameraFade() to produce a fade in effect, the effect will not play in PIE if the editor is closed/reopened. ...

Values are not copied for a EnumArray that is part of an exposed Struct Variable

Values are not copied for a EnumArray that is part of an exposed Struct Variable; when copying from the Details panel to a copy of the same actor. User Description: If you make an array of custom ...

Crash occurs if the Recast Navmesh is set to Dynamic and the BehaviorTree runs a 'Does Path Exist' decorator

Crash occurs if the Recast Navmesh is set to Dynamic and the BehaviorTree runs a 'Does Path Exist' decorator. Crashreporter info: [Link Removed] ...

Landscape cooked heightmap and Physical Material mismatch

Several users have reported crashes where the Heightfeild loaded from the DDC and physical material list do not match. Suggest adding the number of physical materials to part of the cooked heightma ...

Loading a blueprint with an invalid gameplay tag container pin causes ensure and data loss

The gameplay tag system depends on tags being registered with the global manager as valid in order to correctly read them off disk. Two different issues are combining to cause a confusing ensure and ...

Mesh painting on staticmesh doesn't always apply Colors to All LODs

See the video [Link Removed] ...

Trace complex for assets simulating physics does not show accurate collision

When using Trace Complex in a LineTraceByChannel node does not give accurate results when object is simulating physics and scaled. The scaled root mesh in the BP will only register its collision rat ...

Exporting a spawnable through Python doesn't work

Alpha channel is not working on drag and drop function

When using the drag and drop function in UMG on an image with an alpha map the background will show up as black instead of translucent. ...

Actor Component properties can become "linked" across multiple Blueprints after a hot reload

If code in an Actor Component class is changed (eg. a new UPROPERTY is added) and a hot reload is performed to implement the changes, the properties in the component can become linked across any Blu ...