Crash when opening a level with skeletal mesh asset from the map copied to the clipboard

UE - Foundation - Core - Jul 28, 2016

Navigating to a level with a skeletal mesh asset from that level copied to the clipbard from the world outliner will cause the editor to crash. This can currently only be reproduced in the TM-Contac ...

Startup Movies not Copied to Content/Movies Directory in Content Browser

Tools - Oct 5, 2016

Startup movies are not being copied to the Content/Movies directory within the Content Browser. This can be confusing to users as it is not editable, but still functions correctly as a startup movie ...

Packaging for HTML5 seems to have grown in package size

UE - Platform - Mobile - Aug 30, 2016

The size of packages for HTML5 has greatly increased since 4.10.4 to 4.11.2 and has since increased. Example: First person template, no starter content - size of whole HTML5 folder once packaged: 7 ...

iOS - Windows - Code projects fail to launch and package

UE - Platform - Mobile - Aug 1, 2016

Attempts to Launch On to or Package for iOS fail with: LogPlayLevel: Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.AutomationException: Unabled to build Project C:/Pr ...

SetCollisionProfileName and SetCollisionEnabled aren't working in Construction Script

UE - Simulation - Physics - Dec 5, 2019

This is a regression from 4.22.3 (CL-7053642) where this setup executed as expected. Toggling Collision Profiles in 4.23.1 (CL-9631420) and onward do not affect the Static Mesh and it acts as if it ...

Components tree is ending up with duplicate entries (same pointer added to the list view more than once), causing an assert

UE - Gameplay - Blueprint Editor - Jul 19, 2017

This is a common crash affecting users in 4.15 and 4.16. Over 200 unique users have been affected. User DescriptionsCamera Component Drag Drop Error 카메라 컴포넌트를 이벤트 그래프에 드래그 하는 도중 에러 발생 Creating a ne ...

Changing transform variable value of actor blueprint does not update child actor component using the set actor

UE - Gameplay - Blueprint - Dec 2, 2016

If an actor blueprint contains a Transform variable, setting that blueprint as the child actor component (CAC) of another blueprint / blueprint instance then updating the transform variable in the o ...

DDC corruption creates incorrect pasted topology when using Landscape Copy / Paste Tool

UE - LD & Modeling - Terrain - Landscape - Apr 3, 2017

I noticed that the copy and pasted section of the level was being painted while I was painting a nearby section of the level. This weird yellow color appeared and I undid and redid the paint to make ...

Unable to scroll in Structure property window

Tools - Nov 16, 2016

When enough variables are added to a structure to cause the list to be too long for the window, a scroll bar should appear and you should be able to scroll through them. This does not occur. Regres ...

Skeletal Meshes with imported LODs will use the highest LOD when generating Nanite, rather than LOD0

UE - Graphics Features - Nanite - Jan 14, 2025

In the SkeletalMeshBuilder, Nanite is generated when enabled regardless of the LOD being requested. Since the Nanite enablement parameter is set on all LODs in USkeletalMesh::BuildLODModel and LODs ...