Pose watches don't display correctly with compatible skeletons

UE - Anim - Runtime - Anim Blueprints - Aug 19, 2022

"Hello, we've found a quirk with ABP's pose watch and compatible skeletons. Same setup as above. We have skeleton A as the base and skeleton B as a compatible skeleton. They both share similar hiera ...

Disabling DFAO prevents landscape from contributing to Lumen scene

UE - Graphics Features - Lumen - Oct 10, 2023

From licensee: We disabled DFAO on our project (using r.DistanceFieldAO 0) to replace it with Lumen occlusion, as the combination of both was creating dark blobs under bushes and grass. However, we ...

Keyboard Shortcuts don't work on the Outliner Window if it is detached from the Main Window

UE - Editor - May 27, 2025

Keyboard Shortcuts don't work on the Outliner Window if it is detached from the Main Window. As described in Steps To Reproduce, as soon as the Outliner Window is detached from the Main Window, most ...

The hierarchy of Actors in LevelInstances can break when using BPs as parent

UE - World Creation - Worldbuilding Tools - Level Instances - Feb 18, 2026

The hierarchy of a LevelInstance actors (Outliner) will break when cooking. The source is the call to AActor::RerunConstructionScripts in FWorldPartitionLevelHelper::MoveExternalActorsToLevel. The ...

When typing Korean in Slate using FTextInputMethodContext, characters outside a specific range are not entered

UE - Editor - UI Systems - Slate - Apr 7, 2026

Descriptions After getting the below message LogTextStoreACP: Verbose: GetTextExt - From 33 to 34 A line break past that range is inserted. However, when typing Korean, the correct range is not s ...

Crash Occurs When Setting Child Actor Class in Child Blueprint

UE - Gameplay - Blueprint - May 4, 2017

A crash occurs when setting the Child Actor Class of an inherited child actor component. This is not a regression. It occurs in 4.14.3 CL# 3249277, 4.15.2 CL# 3416026, and 4.16 Preview 2 CL# 34155 ...

Crash Occurs While Running EQS Using Add Generated Vector Node

UE - AI - Sep 8, 2016

A crash is occurring when running a custom EQS generator that returns a Point and uses the Add Generated Vector node. This is a regression. No crash occurs with the same setup in 4.12.5. ...

Overriding a UFUNCTION in a Blueprint results in an empty "Event Graph" category being shown in a Data Asset containing an instance of the Blueprint

Tools - Nov 12, 2018

When looking at the details of a UObject contained in a Data Asset, some categories are shown even though they should not be. If a category is marked as hidden in the parent class, it will be shown ...

Hidden and empty categories of a UObject are shown in a Data Asset's details panel

Tools - Nov 12, 2018

When looking at the details of a UObject contained in a Data Asset, some categories are shown even though they should not be. If a category is marked as hidden in the parent class, it will be shown ...