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 ...

Failure packaging for Android with Configure for deployment to Daydream enabled

UE - Platform - Mobile - Jan 5, 2017

Found on: 4.15 Binary CL-3247232 Unable to package for android when Configure for deployment to Daydream is selected. (Packaging without it enabled succeeds even with the same other settings, but c ...

Some instances spawned by NeagaraDataInterfaceChaosDestruction breaking event will be set location to the world origin

UE - Niagara - Data Interface - Nov 29, 2024

 The following code can often be found in UNiagaraDataInterfaceChaosDestruction.const int32 ParticleID = ParticleIDParam.GetAndAdvance() - LastSpawnedPointID + 1; The LastSpawnedPointID is usual ...

Blueprints break when implementing a duplicated BP interface along with the original

UE - Framework - Blueprint - Mar 1, 2024

When duplicating a blueprint interface, the GraphGuids of the original BP interface's function graphs are unchanged: function graphs across the two BP interfaces now have the same GraphGuid. This is ...

Rendering with a singe frame custom frame range in the MRQ with temporal sampling renders 2 frames instead

UE - Anim - Sequencer - MRQ - Jan 27, 2023

Temporal samples cause more than one frame to be rendered with a custom range of 1 frame ...

"Render in main pass" setting appears to be ignored when using ES3 and "Render in Custom Depth" is enabled

UE - Platform - Mobile - Jul 17, 2019

it appears that meshes cannot be removed from the main pass and still write to the custom depth pass when using ES3.1 ...

Misspelling in Editor Preferences: Experimental

Tools - Sep 16, 2015

UE4.9.1 under Editor Preference3s ->Experimental -> Cooking it says "Iterative cooking for builds launched [form] the editor." Correction: [from] ...

Widget components and widgets in screen space are not the same color

UE - Editor - UI Systems - Jun 27, 2016

Widget components appear to be affected by lighting. This causes differences in color between widget components and widgets that have been added to the viewport. ...