Details customizations with object references can cause map loading to fail.

Tools - Jan 23, 2018

This crash can be reproduced by adding a graph editor to a details customization.  This crashes because the graph editor is holding a strong reference to the graph object on the actor component duri ...

Draw Debug String appears to render in the wrong location

Tools - Jan 23, 2018

Draw Debug String appears to render in the wrong location when changing the scaling for a monitor containing the editor. ...

UMG Animations do not play while the widget is offscreen

UE - Editor - UI Systems - Jan 22, 2018

Currently, widget animations are updated in UUserWidget's NativeTick. Widgets do not tick when they are offscreen (as intended), but as a side effect, animations are paused and will resume once the ...

Location Transform Not Applied to Animation in PIE

OLD - Anim - Jan 22, 2018

-Changing the location transform using Additive Layer Tracks is not visible when PIE and instead only visible in the Animation Preview. This only occurs when keying the location but not with scale ...

iOS apps crash on devices with iOS version 11.2.2 when Metal 2.0 is enabled

UE - Platform - Mobile - Jan 22, 2018

Launching an iOS App that is set to Metal 2.0 on a device with iOS version 11.2.2 causes the app to crash and return to the home screen. This was tested on an iPad Pro as I do not have access to any ...

Adding and Removing a Blueprint Interface Output Parameter will cause warnings/errors when compiling in the Implementing Blueprint Actor

UE - Gameplay - Blueprint - Jan 22, 2018

The editor appears to become confused when adding and removing output parameters in a Blueprint Interface, multiple times, then compiling the implementing Blueprint Actor Class, which causes the edi ...

//UE4/Release-4.19 Binary stalls opening Project Browser at 45% - XGEControlWorker.exe is not recognized

UE - Foundation - Core - Jan 22, 2018

The editor stalls out at 45% while opening to the project browser. This is occurring on machines with Windows 7 and 10. I tried using VS attach to process but it didn't provide very much. Opening th ...

Motion controllers appear misaligned when using the oculus touch controllers through steam VR

UE - Platform - XR - Jan 22, 2018

Touch controllers for oculus appear misaligned when using the Oculus via Steam VR. The controllers in game do not line up with the position provided by steam VR. ...

InputChord "None" replaced with "Any Key" on reopen

UE - Gameplay - Blueprint Editor - Jan 22, 2018

For the FInputChord struct, in Blueprints assigning the value "None" to Key will be reassigned to the next time the Blueprint is opened. This is problematic for handling key bindings in Blueprint w ...

Editor crashes on Restart after Enabling Pre-Exposure in Project Settings

UE - Graphics Features - Jan 22, 2018

After creating a new project and enabling Pre-Exposure in the Project Settings, the Editor seams to load up on restart fine, but stalls at 95% and the crash callstack appears. ...