Editor Crashes on Startup After Enabling Forward Shading When r.LightPropagationVolume=1

UE - Graphics Features - May 4, 2018

If r.LightPropagationVolume=1 in ConsoleVariables.ini, enabling forward rendering and then restarting the editor results in a crash. This occurs in 4.18.3 and 4.19.2. ...

Per Poly Collision Does Not Update With Morph Target

UE - Simulation - Physics - May 4, 2018

Per poly collision does not update with morph targets. Occurs with per poly collision enabled in both skel mesh editors and in details of editor. Video from user can be found in project folder att ...

Atmospheric Fog Sun Disc Has Wrong Intensity

UE - Graphics Features - May 4, 2018

This behavior has been observed in 4.18.3, 4.19.2, and Main (CL 4048405). Note that adding  BP_Sky_Sphere to the scene and assigning the Directional Light Actor to it will fix the issue. Per User: ...

Editor crashes when duplicating a Blueprint instance whose parent class overrides PreEditChange() without including a call to Super

UE - Gameplay - Blueprint - May 4, 2018

Attempting to duplicate an instance of a Blueprint in a level where the parent code class has overridden PreEditChange() without including a call to Super results in the Editor crashing. ...

Foliage Not Updating to Match New Landscape Height After Level Save-As

UE - World Creation - Worldbuilding Tools - Foliage - May 3, 2018

I have observed this behavior in 4.18.3, 4.19.2, and Main (CL 4048405) Per User: I made a landscape, painted some foliage and saved the scene. After I saved the same scene under different name the ...

VR billboard problems

UE - Platform - XR - May 3, 2018

https://udn.unrealengine.com/questions/429242/419-psvr-dynamic-resolution.html "We are experiencing a rendering regression in PSVR when upgrading from 4.17 to 4.19. A MaterialBillboardComponent tha ...

Using CommutativeAssociativeBinaryOperator with a BlueprintPure function causes an ensure when adding the function to a Blueprint

UE - Gameplay - Blueprint - May 3, 2018

A UFUNCTION that is BlueprintPure and has CommutativeAssociativeBinaryOperator set to true results in an ensure whenever it is shown in the Blueprint Editor. The reproduction steps cover adding the ...

Material Set to Additive Blend Mode Does Not Render Correctly in Planar Reflections

UE - Graphics Features - May 2, 2018

This behavior has been observed in 4.17, 4.18, and 4.19 release versions. Per Licensee: In our game they player's hands are represented by glowing blue orbs and in planar reflection surfaces they ...

Search results appear incorrect when using the "OR" operator in the content browser with number at the beginning

UE - Editor - Content Pipeline - Content Browser - May 1, 2018

When using the OR operator in the search bar of the content browser it appears to return wrong search results when the asset's names begin with a number. ...

Rotating Movement Component stops at pitch of exactly 90 or -90

UE - Gameplay - Apr 30, 2018

When you set the rotation rate of a Rotating Component so that the moved actor reaches exactly 90 or -90 pitch, it stops rotating for a few seconds. ...