GenerateProxyMesh causes incorrect transform in ISM using Scale

UE - World Creation - Worldbuilding Tools - HLOD - Aug 20, 2019

MeshVertex has been converted by component transform before being converted by instance transform. It is ( Vertex * ComponentTransform ) * InstanceTransform. I thought it has to be converted by (Ve ...

MaxDrawDistance does not work with HLOD

UE - Graphics Features - Aug 19, 2019

1. Create HLOD. 2. Set DesiredMaxDrawDistance. 3. DistanceCulling does not work. ...

Ray Traced Translucency Option Doesn't Function in Post Process Volume

UE - Graphics Features - Lumen - Aug 16, 2019

Ray Traced Translucency Option Doesn't Work in Post Process Volume. Found in 4.23 Preview 6 CL# 7848402, and 4.24 CL# 8074192 Working as expected in 4.22 CL# 7053642 This is a regression. ...

Paper2D performance regression due to TArray resizing

UE - Graphics Features - Aug 16, 2019

We've noticed after upgrading our heavy Paper2D project to 4.22 that tilemap performance has been massively degraded compared to previous versions. After some digging we found out that it's due to a ...

Set Order of Additive Anim Type and Force Root Lock cause different results

OLD - Anim - Aug 16, 2019

The order in which Additive Anim Type is set to Mesh Space and Force Root Lock is enabled/disabled changes the end result. This seems to be related to the animation compression and DDC. ...

OBB files per architecture are not unique so Play Store flags it when uploading for different store versions

UE - Platform - Mobile - Aug 16, 2019

The Play Store by default on uploading an OBB will check it against the others uploaded so if you are uploading multiple APKs built for different architectures in the same packaging session the OBB ...

Duplicating an overridden function graph causes input/output pins to double

UE - Gameplay - Blueprint Editor - Aug 16, 2019

This is caused by the same thing that causes this: https://jira.it.epicgames.net/browse/UE-58390 FBlueprintEditorUtils::PromoteGraphFromInterfaceOverride is the cause of this behavior  ...

Emitters at display 3.4 in Content Examples Niagara map are not rendering

UE - Niagara - Aug 16, 2019

REGRESSION: Yes, did not occur in 4.22 In the Content Examples Niagara map, the emitters at display 3.4 are not rendering when at runtime. There were some fixes for this (or a similar issue) for V ...

Moving Objects with Surface Snapping Enabled Causes Major Offset

UE - LD & Modeling - Terrain - Landscape - Aug 16, 2019

When using surface snapping objects do not move properly.  4.23 CL# 7948402, 4.24 CL# 8012457 This is a regression. ...

Animation poses can be "cached" by reroute nodes as an output in

UE - Anim - Runtime - Aug 16, 2019

by design, animation pose output pins can only connect to a single pose input pin. However, you can circumvent this behavior by dragging off the initial pose node output pin into an empty spot on th ...