WatchEnumProperty() node failing to find Enum property in tool property set

UE - Graphics Tools - Modeling Tools - GeometryScripting - Oct 5, 2023

Within a UEditorScriptableClickDragTool tool, when attempting to watch the changes of an UENUM property using WatchEnumProperty() node, the property will never be able to be found during FindValid ...

MoveToActor doesn't update AI's path on goal actor's move

UE - AI - Mar 16, 2015

A number of issues with MoveToActor have been observed in 4.7.2, including: 1. Not updating path on goal actor's move 2. hitting obstacles after path updating ...

AnimBP Bug: Print string triggered though not referenced

UE - Gameplay - Blueprint - Feb 10, 2015

Newly created animation blueprints will fire themselves during any form of PIE if they have been newly created during that session and even if no assets in the scene reference them at all. Restartin ...

Fbx importer crash when importing one "line" triangle

Tools - May 23, 2016

When we have a mesh containing one triangle with two vertex at the same location the importer is crashing. It crash because rejecting the line triangle result with a mesh containing no vertex which ...

Animgraph-Blend node-Alpha Scale Bias-larger values imprecise

OLD - Anim - Jan 21, 2015

When setting the alpha scale bias for a blend node in the AnimGraph, if you set the values so that the difference is greater than 10, the values will not enter as whole numbers (see image.) ...

Editing Lighting Intensity Field Value Fails

Tools - Jan 7, 2019

You cannot change the intensity by just adding/changing numbers. You have to completely retype the entire value. Found in 4.21 CL# 4613538 and 4.22 CL# 4681912 ...

BlueprintGetter does not work with or disable AnimGraph Fast Path

OLD - Anim - Jan 23, 2020

When used as part of the fast path in an ABP, variable Blueprint Getters are not used. If something with a getter that does not conform to or is supported by fast path, is used then fast path should ...

Incorrect mesh offset behavior when playing a forward start after following "Adapting Lyra animation to your UE5 game"

UE - Anim - Gameplay - Oct 13, 2022

See the answer in the UDN: [Link Removed] We may want to update the blog post with a suggested fix, or wait until the automatic root offset tech is production ready. ...

GetHitResultUnderCursor does not always return true with landscape collision

UE - LD & Modeling - Terrain - Landscape - Mar 13, 2015

When using GetHitResultUnderCursor and pressing LMB over a landscape, there is a chance that the location chosen will return false when it should be returning true. It seems dependent on what area o ...

Audio playback does not function when streaming video with the media player asset

UE - Foundation - Cpp Tools - Plugin System - Jun 22, 2015

Video streamed through the media player asset is not accompanied by audio. The issue occurs for all supported video formats. Currently this has only been tested with streaming via URL due to [Link R ...