Custom CrowdManagerClass reference is set to none when restarting the Editor

Gameplay - AI - Nov 21, 2018

When setting a C++ class that's derived from CrowdManager as the "Crowd Manager Class", will cause the "Crowd Manager Class" value to be set to "None" when the Editor is restarted. This issue was r ...

Simple HMD VR preview left eye color issue

Virtual Reality - Nov 21, 2018

The left view in simple hmd (when no HMD is in use) will appear different from the right. All assets in the left view will appear one color (example image attached). ...

Yaw input is not always applied as expected depending on whether the yaw input function is called in the Player Controller Blueprint vs in the Character Blueprint

Gameplay - Blueprint - Nov 20, 2018

In the attached project, the controller Blueprint is set to apply rotation based on a pair of bool values indicating whether the A (Rotate Left) or D (Rotate Right) keys are pressed. The controller ...

DPI Scale Rule set to custom can cause performance issues during design time

Tools - UMG - Nov 19, 2018

When setting the DPI Scale Rule to custom and using a named slot the frame rate of the editor will drop while zooming in and out of a widget that uses the widget containing the named slot. ...

DataSmith importer is setting incorrect scale on Actors

Enterprise - Nov 16, 2018

When importing, DataSmith is assigning a scale on the actors, the option to set the import scale is no longer available in 4.21. ie: a 36" item comes in at 96" This was reported and tested in 4.21 ...

Child Widget Blueprint does not inherit bindings in exe

Tools - UMG - Nov 16, 2018

When packaging a project for Windows, Child Widget Blueprints do not inherit bindings. Tested in 4.20.3 (CL -  4369336), 4.21.1 (CL - 4567586), 4.22 (CL - 4572453) ...

Unable to run UE4Editor using the -SM4 commandline argument

Rendering - Nov 16, 2018

Attempting to run the UE4 Editor using SM4 causes an error to popup stating that "A Feature Level 5 video card is required to run to Editor. AvailableFeatureLevel = SM4, ShaderPlatform = PCD3D_SM4" ...

IOS 11 Freezes When Generating Particles Using SphereMask

Platform - Mobile - Nov 16, 2018

When playing a particle using SphereMask, iOS 11 device terminal freezes.This issue is not a crash, it's screen freeze. Reproduced deviceiphoneX :iOS 11.4.1iphone7 :iOS 11.4.1 Not reproduced devic ...

Force Feedback appears to run in the background on some android devices

Platform - Mobile - Nov 15, 2018

When forcing the app to the background the force feedback will continue on some android devices. This was reproduced on the samsung nexus 5 by clicking the home button while running force feedback i ...

Converting an Actor to spawnable/possessable in Sequencer makes it lose its position in the Track Panel.

Sequencer - Nov 15, 2018

Converting an Actor to spawnable/possessable in a Sequence causes it lose its position in the track panel. If the Actor was in a folder it will need to be added back to that folder. This was report ...