Material accuracy on iPhoneX is significantly inferior compared to iPhone 7

Platform - Mobile - Feb 13, 2019

The accuracy of World Position and Camera Position in Material on iPhoneX is very inferior to iPhone 7. If you enable UseFullPrecision the result will be the same. ...

Separate Translucency does not work properly on iOS when DepthFade and DoF are used

Platform - Mobile - Feb 13, 2019

Effects using translucent materials using Mobile Separate Tranclucency and DepthFade do not display properly if DoF is enabled. By applying CL # 4558661 shared by UE-66384, Android works normally. ...

WorldSettings Blueprint crashes editor when saved/compiled

Gameplay - Blueprint - Feb 12, 2019

Making a Blueprint instance of the AWorldSettings class, then saving/compiling instance Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL - 4753647), 4.22 (CL - 4958363) ...

[Input] Switching levels destroys auto-created Input Component which breaks emitUIInteraction

PixelStreaming - Feb 12, 2019

We auto-create a PixelStreamingInputComponent which handles the input coming from JavaScript's emitUIInteraction. This works in a UE4 app with a single level, but it seems that if you change levels ...

Crash in Debug Camera (patch provided in comment !)

Gameplay - Feb 12, 2019

Hello, A licensee has reported us a crash in DebugCameraController / DebugCameraHUD.  It is due to a missing check in ADebugCameraHUD::PostRender() of SelectedActor set in ADebugCameraController ...

Deleting reference variable will result in unusable picker appearing on resolve nodes

Gameplay - Blueprint Editor - Feb 11, 2019

REGRESSION: No When deleting a reference variable, any resolve node pins using it will have a picker added, which won't have anything listed in their dropdown. This isn't consistent with what happ ...

Scale by Safe zone setting for Scale box does not scale children as expected

Tools - UMG - Feb 11, 2019

Children of a scale box that is set to Scale by safe zone do not appear to scale as expected. ...

"Build" button causes "Validation failed" and breaks references of meshes in Sublevel according to a prescribed procedure

Tools - BSP - Feb 9, 2019

A licensee reported that "Build" button causes "Validation failed" and breaks meshes in a Sublevel according to a prescribed procedure. The process is quite complicated, but I can 100% reproduce thi ...

Motion Controller meshes do not track with Motion Controller position within VRMode

Virtual Reality - Feb 8, 2019

This is a regression from release 4.21.2 Motion controller meshes are present in the level, they just aren't tracking alongside the motion controls. Motion controls still function as intended othe ...