[AI] Spatially loaded objects in a WP map that are unloaded do not contribute to the navmesh when Build Paths is run

UE - AI - Navigation - Jun 23, 2025

Using Build Paths does not create a navmesh that also includes any Actors or Objects that are unloaded and spatially loaded. The navigation system appears to load the world within the navigable boun ...

[AI] Cannot select the local player when using GameplayDebugger while the Mass category is active

UE - AI - Debugging - Jun 23, 2025

The GameplayDebugger is not updating its displayed information for the local player when attempting to select the local player. This behavior seems to only occur when the Mass category is active AND ...

Eye Adaptation Inverse node does not work with volumetric materials

UE - Graphics Features - Jun 23, 2025

The EyeAdaptionInverse node works differently for surface materials and volumetric materials. In surface materials, it allows to have a consistent glow during day and night time, however in a volume ...

Pressing Cancel after ColorPicking a Sequencer's tracked Color will not reverted the color to the previous value

UE - Anim - Sequencer - Jun 22, 2025

Pressing Cancel after ColorPicking a Sequencer's tracked Color will not reverted the color to the previous value. There's a bug when ColorPicking a color that is being tracked in Sequencer - pressin ...

Enabling bUpdateComponentTransformToRootBone in a GeometryCollectionComponent causes broken particles to appear in the wrong location

UE - Simulation - Physics - Destruction - Jun 22, 2025

Enabling bUpdateComponentTransformToRootBone in a GeometryCollectionComponent causes broken particles to appear in the wrong location. When that flag is true, the moment the GeometryCollection (GC) ...

Editor mode keyboard shortcuts active when in Play In Editor

Editor mode keyboard shortcuts active when in Play In Editor. This behavior is a departure from previous versions. It was described by the licensee as confusing and it clashes with gameplay assigne ...

UAsset file size - fbx embedded textures

UE - Editor - Content Pipeline - Import and Export - Jun 20, 2025

hello! was curious if there were any settings I could adjust in Unreal to reduce the size of uassets generated from fbx files with embedded textures? i've recently swapped to using fbx exports from ...

Crash when using StaticDuplicateObject with mismathced Source and Destination class types

UE - Foundation - Jun 19, 2025

Starting in Unreal Engine 5.4, StaticDuplicateObject internally switched to using Unversioned Property Serialization (UPS) for performance reasons. However, UPS assumes the source and destination ob ...

Change uses of "OnlineSubsystemSteam" module name

UE - Online - Jun 19, 2025

The refactor at CL 39638561 moved some classes, such as SteamNetDriver and SteamNetConnection, from the "OnlineSubsystemSteam" module to the new "SocketSubsystemSteamIP" module. There are still a f ...

Edit Condition does not work properly when the structure is used as a key for Map

UE - Framework - Blueprint - Jun 19, 2025

When the structure is used as a key for Map in Blueprint, Edit Conditions does not work properly. It will be updated when you move the focus to a different location(ex. a component) and click the v ...