[MetaSounds] - Changes to Sort Order do not undo/redo as expected

UE - Audio - MetaSounds - Nov 15, 2022

Changes to the sort order do not revert the order of inputs on a node when undone. It will change if the node is refreshed or the graph is saved, however. ...

MakeEditWidget doesn't work with the blueprint editor viewport

UE - Framework - Blueprint Editor - Dec 19, 2024

Using the MakeEditWidget specifier inside a UPROPERTY macro and creating a blueprint based on the class will show the translation gizmo inside the main editor viewport but the gizmo will not show up ...

Anamorphic Squeeze Factor causes a blocky Depth of Field issue on AMD Hardware

UE - Graphics Features - Jul 30, 2025

When using the Anamorphic Squeeze Factor on a camera on AMD RDNA3 and RDNA4 hardware, blocking artefacts may be seen depending on the extent of the blur. The peripheries of the viewport appear to be ...

ApplyLimits AnimGraph Node has incorrect functionality

UE - Anim - Rigging - Nov 8, 2018

In AnimNode_ApplyLimits.cpp the inputs for the ConstrainAngularRange function are going to the wrong rotator values. The XYZ of the node's input vec3 is being stored in YPR of the clamped rotator, w ...

Assertion failed in FNetGUIDCache::CleanReferences during seamless travel after reloading primary asset package

UE - Networking - May 7, 2025

Following this sequence of events, the ObjectLookup and NetGUIDLookup on the server's PackageMapClient will end up in a bad state. In the ObjectLookup Map, the primary asset's package will be mapped ...

Saving Behavior Tree with Blueprint task inheriting from native class invalidates Blackboard key when BP contains a function

UE - AI - Jul 8, 2025

A regression introduced in UE 5.6 causes Blackboard key selectors in Blueprint tasks to become invalid when the Blueprint inherits from a native subclass of UBTTask_MoveTo (or UBTTask_BlackboardBase ...

Editor Crash when changing Default Properties of a TArray of UStucts containing an InlineEditConditionToggle property in Blueprint Parent Class

UE - Editor - Workflow Systems - Apr 5, 2024

This bug causes an editor crash. This crash occurs when changing the default values of a UStructs properties that are used as EditConditions, when they are set to InlineEditConditionToggle within a ...

Global SkyAtmosphere and Clouds Issues (Ambient Light)

UE - Graphics Features - Dec 3, 2024

Ambient Light on Volumetric Clouds from Sky Atmosphere always is calculated as if the clouds are at the north pole of the planet. Using a sphere-shaped Sky Atmosphere and Volumetric Clouds causes t ...

Dataprep Import Causing Unloaded Stream Levels to Reappear in Editor

UE - Editor - Content Pipeline - Visual Dataprep - Sep 22, 2023

FMath::Eval ignores groupings while solving

UE - Foundation - Nov 8, 2022

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 FMath::Eval ignores groupings while solving problems. This has caused some confusion with users who are expecting the groupings to b ...