Garbage Collection crash on Compile attempt

UE - Foundation - Core - Nov 6, 2015

Attempting to compile anything in the editor (blueprint, widget, level bp, etc) will cause the editor to crash. Project Link: [Link Removed] Crash Reporter: [Link Removed] Note This has only been ...

Memory Use Steadily Increases in Editor With No Tabs Open

Tools - Nov 24, 2015

When in the editor, the memory use steadily increases ~1mb/s and rises indefinitely. This occurs without having any tabs open, and without performing any actions in the editor. Found in 4.10 Binary ...

Setting Asset ID reference to instance on a different level causes reference to be lost on reload if asset is renamed.

UE - Gameplay - Blueprint - Nov 25, 2016

When a variable of type AssetID is set to an asset on another level, the reference to the second asset is lost after reloading the project if the second asset is renamed. Regression: No - this beha ...

Crash with a migrated BP actor using InstancedStaticMeshComponent

UE - Gameplay - Blueprint - Nov 28, 2016

A licensee reported one of their map crashes on open when they tried to migrate from 4.12 to 4.14. There was no crash in 4.13. This seems to be caused by a certain BP actor that adds InstancedStat ...

Selection Highlight cannot be disabled for Skeletal Meshes

Tools - Feb 7, 2017

Selection highlight cannot be disabled for Skeletal Meshes. They will always have the outline selection and some tinted selection over their faces. Static Meshes do not exhibit this behavior. This ...

Slate UI asset colors washed out on iOS

UE - Platform - Mobile - Feb 24, 2017

UI widgets are appearing a much brighter than they should TEST MACHINE SPECS: iPhone 7, iPhone SE, iPad Pro ...

VR Splash screen and Async Load issue

UE - Platform - XR - Apr 10, 2017

We encountered this problem too after upgrading to 4.15. It's caused by a timing problem when showing/hiding the async loading splash screen, so we only found it when loading maps in standalone that ...

Open Level node does not open the correct level in Packaged game

UE - Gameplay - Blueprint - May 30, 2017

Open Level node does not open the correct level in Packaged game. Instead of loading the level named in the node, the node will just open the current level. This issue can cause problems with Matine ...

Need to remove dependency on log2 on Android for older versions

UE - Platform - Mobile - Jun 27, 2017

The log2 function does not exist in libc.so on older Android. Using FMath::Log2 instead solves the issue. ...

Wireframe box does not appear when adding blueprint of custom volume class to the viewport

Tools - Aug 2, 2017

No volume appears when adding a blueprint of a custom volume class to the viewport. Adding an instance of the custom class directly does show the box, but additional functionality cannot be added v ...