Unreal Engine Issues

Unable to set a Destructible Mesh Component for an blueprint instance in the level

Unable to set a Destructible Mesh Component for an blueprint instance in the level. All other components can be set this way. ...

OnMovieClipFinished returns the incorrect movie name

When OnMovieClipFinished is called, it will return the name of the movie clip that is about to be played rather than the clip that had just finished. Regression: Yes This did not occur in 4.15.3 B ...

[CrashReport] Assertion failure in UE4Game!FMetalComputeShader::FMetalComputeShader()

This is a common Mac crash in 4.16. Users have not provided descriptions, so additional information is not currently available. Callstack from LogLogMetal:Display: No .metalmap file found for SF_M ...

OnObjectSelected delegate is not called when object is selected through the World Outliner

When using the USelection::SelectObjectEvent delegate, selecting an object directly in the viewport will call the delegate as expected but selecting the object through the World Outliner does not ca ...

[CrashReport] UE4Editor-MetalRHI.dylib!FMetalRenderPipelineDesc::CreatePipelineStateForBoundShaderState()

This is a common crash affecting Mac users in the 4.16 release. Mark.S: "one of the visualisation shaders is setting up bogus render state" Callstack from LogLogActorFactory: Actor Factory create ...

The Component Details tab stops working after setting a Blueprint-owned ChildActorComponent class to AbstractNavData and then reloading the Blueprint asset.

Choosing 'AbstractNavData' as the class for a ChildActorComponent inside a Blueprint class and then relaunching the editor seems to break component details panel editing the next time the Blueprint ...

Particle Parameter change resets all vector parameters to default values in level instances

Particle Parameter change resets all vector parameters to default values in level instances. This only seems to effect Vector and Vector Random Parameter types. User Description: I have a particle ...

Sky light color isn't animatable

Unable to edit default values of TMap struct variable stored in an inherited component from the full blueprint editor

When you have a struct variable that is part of a TMap which is stored in an inherited component, the struct is not editable in the full blueprint editor. It is editable in the data only blueprint e ...

The sphere in the rolling template bounces repeatedly on contact with the floor due to collision

Only seems to occur on the flat surface that is present on the ground when you spawn in. rolling onto other flat surfaces or placing a plane below the sphere doesn't cause the issue. It looks like ...