Sequencer : Attaching a Possessable to multiple Spawnables across multiple cuts causes incorrect location restoration

UE - Anim - Sequencer - Nov 12, 2021

Regression No, according to affects versions 4.27 and 4.27.1 The restore process proceeds in the following order : 1. Remove spawnable actor in first cut (no effect because the actor is already r ...

Replicated components spawned by CreateComponentOnInstance are broken by object reuse

UE - Gameplay - Apr 5, 2023

When the gameplay framework component manager creates components as part of CreateComponentOnInstance, it passes in the requested class name as the literal name of the component instead of using the ...

When used with First Loop Start Frame Offset and Use Animation Blueprint, the character will alternate between the specified animation and the reference pose

UE - Anim - Anim in Engine - Jan 30, 2023

If you use StartFrameOffset set to 1 or higher in conjunction with the Use Animation Blueprint, the character's animation will be rough towards the end of the section. Specifically, it seems that th ...

[Sound Submix] - Dry Level of a Submix is calculated differently whether or not there is an effect in the chain

UE - Audio - Submixes - Jan 21, 2021

There is a discrepancy is how the output volume of a submix is calculated when the effect chain is and is not populated. When there is no effect on the submix, the Dry Level adds additional gain to ...

Hang and log spam when making changes to a landscape material with the landscape editor open

UE - LD & Modeling - Terrain - Landscape - Jul 25, 2016

Editor hangs if changes are made to the material which is currently assigned to a landscape while the landscape editor is open. Also spams "LogMaterial: 0.03 seconds spent updating 1 materials, 1 i ...

IOS GPU Hang Error (IOAF code 3) and Crash when rotating to Landscape

UE - Platform - Mobile - Oct 11, 2018

When users rotate to landscape in QAARApp the apple device will encounter a GPU Hang error and crash.Execution of the command buffer was aborted due to an error during execution. Caused GPU Hang Err ...

GeometryCollectionActor SetSimulatePhysics false does not stop Physics Simulation

UE - Simulation - Physics - Nov 28, 2024

If the GeometryCollectionActor (GCA) is simulating physics, calling SetSimulatePhysics(false) does not stop the simulation. If the simulation is paused, calling SetSimulatePhysics(true) does as expe ...

GAS: Async loaded GameplayCueNotify can execute cue events out of order

UE - Gameplay - Gameplay Ability System - Mar 22, 2025

Licensee reported problem via UDN. Context GameplayCues ('cue') are events that can be fired by game code, that are identified via a GameplayTag. Cues can be instantaneous or can be a state on any ...

Resetting the Location of an Actor Not Created at 0,0,0 Does Not Reset it to Default

UE - Gameplay - Blueprint - Sep 7, 2016

When attempting to reset the location of an actor blueprint instance that was not created off of an empty actor placed at 0,0,0, the location gets set back to the original location of the empty acto ...

Editor crash on level load when bUseActorFolders is true after dragging Actor into another folder in the Outliner

UE - World Creation - Worldbuilding Tools - OFPA - Mar 7, 2023

From licensee: Hello! Our level streaming setup enables the bUseActorFolders on our levels. When moving the Actor into another folder via the Outline, the editor will crash on the next load Assert ...