Editor crash when adding element to Instance array of custom InstanceStaticMeshComponent

Gameplay - Blueprint - Sep 14, 2017

Adding an instance static mesh component to a class causes the editor to crash when an instance is added to a blueprint of the class. Regression: Yes - this behavior does not occur on 4.16.3 (CL 35 ...

Editor Crashes on Opening After Deriving C++ Class from Another Class

Core - Hot Reload - Sep 13, 2017

After deriving a C++ class from another class and then closing the editor, the project will crash when reopened. This crash will continue until the project files are regenerated and the project is r ...

Anim curves default back to 0.f instead of material default

Anim - Animation - Sep 13, 2017

This seems to be a regression of OR-34563? Difficult to say. Originally reported here: https://udn.unrealengine.com/questions/391665/animcurve-parameter.html ...

Apex Cloth LOD distortion occurs after World Origin Rebase

Physics - Clothing - Sep 13, 2017

There is a distortion that occurs with Apex cloth when changing the World Origin location. This distortion occurs when you approach after the world origin has been changed. This issue is similar to ...

Foliage experiences odd culling when world origin is changed

Rendering - Sep 13, 2017

There is an odd issue occurring when the world origin is changed, changing the world origin causes the foliage to cull in unexpectred ways. The issue can be solved by using the console command "r.Al ...

Removing blueprint function does not remove graph nodes of the function

Gameplay - Blueprint - Sep 13, 2017

When a function in a blueprint (BP created or BlueprintCallable from code) has nodes calling that function in the event graph, deleting the function entirely does not remove the nodes that already e ...

CLONE - Project does not cook with actors containing ModularSynth component

Audio - Sep 13, 2017

A project does not cook with actors containing ModularSynth component. The error is a follows UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: begin: stack for UAT UATHelper: Pack ...

SceneCaptureComponent2D Component does not allow the use of the Hidden Actor array

Tools - Sep 12, 2017

SceneCaptureComponent2D Component does not allow the use of the Hidden Actor array and the Show only actors array does not take in elements. This issue does not occur in 4.16.3 because the feature w ...

Project does not cook with actors containing ModularSynth component

Audio - Sep 11, 2017

A project does not cook with actors containing ModularSynth component. The error is a follows UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: begin: stack for UAT UATHelper: Pack ...

Player spawn inconsistent depending on HMD rotation

Virtual Reality - Sep 11, 2017

When starting VR preview with the headset with it's face down, it will start at a difference height than if the headset it facing with its face perpendicular to the desk/floor ...