Thumbnails do not display shadows after opening and saving the asset

UE - Graphics Features - Lumen - Apr 14, 2020

Shadows in an asset's thumbnail disappear after opening and saving the asset, whether changes are made or not.  Tested: 4.24.3 CL#11590370, 4.25P6 CL#12493028, 4.26 CL#12767035 ...

Some blueprint nodes are noticeably wider

UE - Gameplay - Blueprint Editor - Feb 19, 2021

Certain blueprint nodes are noticeably wider than they were in 4.25, and seem to get excessively wide if the user fills in literal pins on them. This was noticed with the Array Add nodes, but may a ...

ULevelEditorDragDropHandler::PreviewDropObjectsAtCoordinates : Should set proper referencer domain when ContentBundle is active

UE - World Creation - Worldbuilding Tools - World Partition - Aug 21, 2023

ULevelEditorDragDropHandler::PreviewDropObjectsAtCoordinates sets the World as the ReferencingAsset when we should probably set the GameDataAsset for the current active ContentBundle if there is any ...

Material Layers "swap" location instead of shift downwards.

UE - Rendering Architecture - Materials - Oct 17, 2023

Licensee request for this as it is affecting productivity. Likely requires a method of allowing a user to choose which behaviour they prefer. For reference, the behaviour changed in CL 11684461 to f ...

Crash when destroying a geometry collection actor

UE - Simulation - Physics - Aug 7, 2020

When an actor with geometry collection is destroyed, the engine doesn't remove elements from array in the ChaosSolver So illegal references occurs. Removing element with following quick fix code ...

Crash-Connecting output of unspecified functions to pins on the material result node

UE - Rendering Architecture - Materials - Dec 6, 2017

Crash-Connecting output of unspecified functions to pins on the material result node. This does occur in Main at CL: 3792526 ...

Compiling twice then pressing play/stop after creating a c++ Game Instance causes a crash

UE - Foundation - Cpp Tools - Live Coding - Jan 24, 2022

This is not a regression. After creating a C++ based Game Instance the Editor crashes if you compile twice then play and stop. ...

Cannot Delete Event Dispatcher inside of a child blueprint when the parent has an event dispatcher as well

UE - Gameplay - Blueprint - Apr 2, 2015

If the user creates two blueprints and parents one to the other and then creates 3 event dispatchers in total between the two in an alternating method it will cause and error and the event dispatch ...

User cannot undo the automatic changing of Mobility settings

Tools - Sep 12, 2016

When the users causes a component to automatically change its Mobility setting by changing that setting on a parent or child component, undoing that change only affects the manual change caused by t ...

Building lighting fails on Linux

UE - Platform - Linux - Jan 15, 2016

When building lighting on Linux, the build process fails because UnrealLightmass cannot find the library libUnrealLightmass-Serialization.so. Reported using Mint Cinnamon 17.3 Internal machine uses ...