Modifying Notify Properties no longer updates the NotifyName in Blueprints with custom GetNotifyName function.

UE - Anim - Gameplay - Feb 13, 2025

If after placing a notify on an anim sequence timeline you modify a property that is used in the GetNotifyName function of a blueprint notify in engine version previous to 5.5 (5.4.3 for example) th ...

Creating a GeometryCollectionActor from a GeometryCollectionAsset is ignoring some of the data set in the asset

UE - Simulation - Core - Mar 13, 2025

When you create a GeometryCollectionActor by dragging a GeometryCollectionAsset from the ContentBrowser into the scene, instead of using the PhysicsMaterial defined in the GeometryCollectionAsset, i ...

Collision Drawing in Cooked Builds (Development) doesn't Show Geometry for Nanite Meshes

UE - Rendering - Graphics Features - Jun 2, 2025

Context The showFlag.CollisionVisibility 1 cvar is a viewport visualization mode that highlights which Actors will block visibility. The showFlag.CollisionPawn 1 cvar is a Player Collision viewmode ...

In AnimNode_RigidBody.cpp, PhysicsSimulation->CreateActor() is being passed World Space transforms, when it should be getting Local Simulation space transforms

UE - Simulation - Core - Jun 24, 2025

In AnimNode_RigidBody.cpp, PhysicsSimulation->CreateActor() is being passed World Space transforms, when it should be getting Local Simulation space transforms. The licensee has reported that FAnimN ...

DataAsset blueprints have the wrong NativeClass

UE - Gameplay - Nov 18, 2025

UDataAsset's constructor assumes itself to be the native class, and caches that value for use by the asset registry. However, if the data asset type is defined in a blueprint (i.e. subclassing UPrim ...

GameplayTags meta "Categories" return warning when all categories are not present inside the FGameplayTagContainer

UE - Gameplay - Gameplay Tags - Jan 12, 2026

Categories are not processed correctly for gameplay tags when meta "Categories" is used. Categories filter which categories appear for the mentioned gameplay tag variable and with recent changes, it ...

GameplayTagQuery AutoDescription not refreshed after GameplayTag redirect on load

UE - Gameplay - Gameplay Tags - Jan 21, 2026

FGameplayTagQuery does not refresh its cached AutoDescription after GameplayTag redirects are applied during asset load. As a result, after renaming a GameplayTag and restarting the editor, the Game ...

In the level editor, when configuring a component that is part of an actor blueprint, adding entries to a TMap with C++ enum keys results in duplicate keys and an incorrect warning popup.

UE - Editor - Workflow Systems - Jan 22, 2026

Note: This started happening in UE 5.4 and persists up to latest. It is probably related to [Link Removed] Closed ([Link Re ...

StateTree: While editing State Parameters or exposed properties of a Condition/Task, an ensure() fires when editing inputs of a Property Function bound to an array element

UE - AI - StateTree - Mar 5, 2026

Consider an array property that can be edited in the StateTree editor. This can be a State Parameter or an exposed property of a Condition or Task, for example. Each element of the array can be boun ...