Cannot debug projects in the Editor if it uses a unique target build environment

DevTools - Jul 20, 2018

It is not possible to debug a project in the Editor if the project's Editor target uses a unique target build environment. When attempting to debug, Visual Studio looks for UE4Editor.exe, when it sh ...

Animation FBX export is broken for ThirdPersonCharacter

Tools - Jul 20, 2018

It seems like the animation fbx exporter is broken. The mesh is exported just fine and can be imported in any application without issue. As soon as the animation is exported the mesh becomes broken ...

'Get Tangent at Distance Along Spline' returns incorrect values compared to 'Get Location and Tangent at Spline Point'

Tools - Jul 18, 2018

The "Get Tangent at Distance Along Spline" node returns incorrect tangent values compared to "Get Location and Tangent at Spline Point", where the spline point is at the same distance along the path ...

Cannot build a project containing a UFUNCTION that takes a pointer to a deprecated component as a parameter

Core - Jul 18, 2018

If a UFUNCTION takes a pointer to a component as a parameter, the project cannot be built if the component's class is marked as deprecated. The error message that is provided states that the propert ...

Asset values change when the Editor is out of focus when using Maya or Web Browser

Tools - Editor Viewport - Jul 18, 2018

When switching between any open software (Maya, web browser) and UE4 while Simulation is running, sometimes the values change on the asset and it starts to oscilate between <-0.6,0.6> or any other s ...

Exceptions can no longer be enabled for ProjectEditor targets

DevTools - Jul 16, 2018

It is no longer possible to enable C++ exceptions for the ProjectEditor target in code projects that use the binary Engine. Some fixes that were made for 4.19 now correctly show an error message if ...

'Set Timer by Function Name' not able to call functions that return an Output Parameter

Gameplay - Jul 16, 2018

When using a 'Set Timer by Function Name' node with a Function that has an Output parameter it will fail at executing the Function. If the Function is called with an Event BeginPlay node it will fu ...

Cursors: 'Grab Hand' and 'Grab Hand Closed' appear as 'Hand' in packaged project

Tools - Slate - Jul 13, 2018

GrabHand Cursors appear as Hand (Index finger cursor) in a packaged project 4.20p5 CL# 4173640 4.21 CL# 4179764 ...

Crash due to trying to run node of Editor Scripting category

Application crashes when using nodes in Editor Scripting category in package. The reason is that the processing of the node in the Editor Scripiting category is surrounded by #if WITH_EDITOR.  As ...

Android + Bluetooth Mouse: Hover events and Get Mouse Position on Viewport not working

Platform - Mobile - Jul 11, 2018

No hover events firing when using a bluetooth mouse on android. 4.20p5 CL# 4173645 4.21 CL# 4179794 ...