Crash When Building HLODs

UE - World Creation - Worldbuilding Tools - HLOD - Aug 21, 2019

Building HLODs causes a crash. This only seems to occur in some levels as shown in the attached project. Found in 4.22 CL# 7053642, 4.23 CL# 7948402, 4.24 CL# 8124506 ...

Owner No See Tags are ignored when Static Mesh Actor is placed in Level vs dynamically spawned in Level

UE - Gameplay - Aug 21, 2019

Owner No See Tags are ignored when Static Mesh Actor is placed in Level vs dynamically spawned in Level ...

Crash after Disabling Post Process Blueprint on a Skeletal Mesh

OLD - Anim - Aug 20, 2019

Changing the Anim Class in the Details Panel before Disable Post Process Blueprint can prevent the crash from occurring. Changing the Animation Mode does not seem to prevent this crash.  The conten ...

Android APK size ~200 MB larger than previous versions of the engine (blank project)

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 20, 2019

Apk file size for Android is much larger after upgrading a project to the latest release of the engine. APK files link: [Link Removed] ...

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 ...