Subobject instancing is broken and causes asserts when creating an instance of a blueprint class from non-CDO archetype

UE - Foundation - Core - May 13, 2015

When spawning an instance of a blueprint using an archetype that is not a class default object, child components will be attached to the template component instead of the instance. ...

Linux UI highlights when dragging the editor window

UE - Platform - Linux - Mar 2, 2016

Buttons and other UI elements of the Linux editor are highlighted when they are over the pointer's original click position. ...

A small seam is created when merging an actor with overlapping UVS

UE - World Creation - Worldbuilding Tools - HLOD - Nov 16, 2016

A small seam is created when merging an actor with overlapping UVS ...

Set Sound Mix Class Override still Playing Sounds in Certain Conditions

UE - Audio - Oct 7, 2016

When using the Set Sound Mix Class Override within blueprints, the playback of any subsequent sounds seems offset or incorrect. This is apparent when using a Delay node. ...

Crash with assigning APEX Cloth that uses a custom graphical mesh

UE - Simulation - Physics - Feb 24, 2015

When a graphical mesh is used to create a lower LOD for cloth assets and the Cloth FBX has the APB assigned to the material for the cloth there will be a crash. ...

Forward Rendering with Metal is stretched on iOS

UE - Platform - Mobile - Aug 19, 2015

When you turn off 'Supports Open GLES2' from the iOS settings and package a game with 'Support Forward Rendering with Metal (A7 and up devices)' the textures/materials are stretched across the objec ...

Physics Asset doesn't follow the Skeletal Mesh when Physics Blend Weight is set to any value between 0 and 1

OLD - Anim - Feb 9, 2017

Physics Asset doesn't follow the Skeletal Mesh when Physics Blend Weight is set to any value between 0 and 1. Could be related the the fix for this JIRA: https://jira.it.epicgames.net/browse/UE-192 ...

Cooking is not deterministic for Destructible Meshes

UE - Simulation - Physics - Destruction - Jun 9, 2017

Cooking is not deterministic for Destructible Meshes. Can be tested by doing a release/patch of Destructibles map in Content Examples. Destructible Meshes that have not changed will show up in the ...

Texture Sample 2D Parameter not Working with WPO on Mobile Quality ES3.1

UE - Platform - Mobile - Jun 30, 2017

WPO does not accept TextureParameter2D nodes when deployed to High End Mobile. The interesting thing is that all other inputs accept Param2D, so it is not entirely clear why WPO is not working. If ...

Crash in GetScreenRect on OPPO and Vivo devices

UE - Platform - Mobile - Jul 11, 2017