Setting max undilated frame time to a negative value crashes the editor

UE - Gameplay - Apr 6, 2018

In the world settings of any level, changing the max undilated frame time to a negative number results in the editor crashing. ...

Graphic Artifacts on AMD GPUs When Mesh is Scaled to Large Size

UE - Graphics Features - Apr 5, 2018

This issue has been observed in 4.18.3 as well as 4.19. See attached screenshot showing scene from 4.18 on Nvidia, compare to attached GIF showing same scene on AMD card. ...

Mesh Clothing Assets Data Does Not Update Unless Asset Details Panel is Closed and Reopened

UE - Simulation - Physics - Character - Apr 4, 2018

Data in the Asset details panel < Clothing(Mesh Clothing Assets) does not update unless the Asset Details Panel or the Mesh editor itself is closed and reopened. User Can not go between the Clothing ...

Blueprint deleting Variables, kills function parameter shortcuts with same name

UE - Gameplay - Blueprint - Apr 4, 2018

When deleting a variable that shares a name with a function parameter. The references to the function will be deleted as well. ...

Sort does not occur even if you rename actor, but it will be sorted when opened again

UE - Anim - Sequencer - Apr 4, 2018

Sort does not occur even if you rename actor, but it will be sorted when opened again. It will not be understood if the position changes when it is opened, so Licensee want you to sort immediately ...

SSR is drawn black when translucent material with FXAA

UE - Graphics Features - Apr 4, 2018

SSR is drawn black when translucent material with FXAA. This problem is because there is no preview buffer used for reflection. SSR was displayed with Source change introduced in the following UDN ...

Editing the value directly with world composition level details is incorrect moved

UE - World Creation - Worldbuilding Tools - World Composition - Apr 4, 2018

Editing the value directly with world composition level details is incorrect moved. Input some value and pressing Enter will result in a different value. ...

Generate Particle Event Blueprint node doesnt generate particles at relative "InLocation"

UE - Niagara - Apr 3, 2018

The EventReceiver Spawn module doesnt seem to take in parameters from linked Particle Generated Event. When setting the location of the Blueprint node (In Location), the relative position of the Par ...

Unnecessary warning when deleting a Blueprint from a level when that Blueprint contains a reference to itself

Tools - Apr 3, 2018

When trying to delete a Blueprint from a level, if the Blueprint contains a reference to itself, and that is the only reference to that particular Blueprint, a warning will be displayed saying that ...

Freezing when changing levels in VR preview

UE - Platform - XR - Apr 2, 2018

When changing levels in VR preview it appears to freeze for 30 seconds. This does not happen the first time VR preview is used during the editor session. However, after using VR preview once and cha ...