Importing through Python fails

UE - Editor - Content Pipeline - Import and Export - Feb 20, 2019

Version 4.21:The script result in popping the Alembic Import windows instead of a silent importThe provided options are ignored by the importer.  Version 4.22: Results in the provided callstack wi ...

EOS Voice plugin causes a crash after adding "DefaultPlatformService=EOS" to the DefaultEngine.ini then restarting the editor

UE - Online - Jan 10, 2022

This is not a regression. Doesn't affect UE5. The editor crashes on start up after enabling EOS Voice Chat, and updating the .ini to include DefaultPlatformService=EOS. Removing DefaultPlatformServ ...

Regression: Asset Action Utility "Supported Classes" setting is not working correctly when "IsActionForBlueprints" is true

UE - Editor - Workflow Systems - Aug 16, 2024

When creating an Editor Utility Blueprint derived from "Asset Action Utility", UE allows the user to override function "IsActionForBlueprints". When it returns true, the "Supported Classes" setting ...

Significant editor slowdowns when moving blueprinted actors while having a different complex blueprint open

UE - Framework - Blueprint Editor - Jun 7, 2021

A Blueprinted actor's construction script time can be affected by the complexity of an opened level Blueprint. ...

Lightmass: Blocky lightmap artifacts appears on the Mesh Actor which is shadowing by a single face mesh

UE - Graphics Features - Lumen - Jun 9, 2020

Begin Map Begin Level Begin Actor Class=/Script/Engine.StaticMeshActor Name=Plane_2 Archetype=/Script/Engine.StaticMeshActor'/Script/Engine.Default__StaticMeshActor' Begin Object Class=/Script/En ...

Hot Reload not updating variables that have their values set in the constructor

UE - Foundation - Cpp Tools - Hot Reload - Feb 1, 2016

If a variable's value is being set in the construction script of a class and then that value is edited (the line itself is edited, not another setting of the variable), hot reload will not update th ...

Blueprint Profiler's "Filter to Graph" option does not filter to the current graph

UE - Gameplay - Blueprint - Aug 11, 2016

The Blueprint Profiler's "Filter to Graph" option does not filter the nodes for additional graphs or function/macro graphs. The only time the option appears to filter properly is when looking at the ...

Opening / Compiling class with ChildActorComponent causes the ChildActor package to be marked dirty.

UE - Gameplay - Components - Mar 24, 2017

Looks like this is a problem where the Actor is Duplicated due to constructions scripts running. Later, when the duplicate is destroyed all of its components will call RemoveOwnedComponent as they'r ...

RegisterComponentWithWorld does not check to see if Children of registered component have bAutoRegister set to false

UE - Gameplay - Components - Nov 30, 2017

UActorComponent::RegisterComponentWithWorld() does not have a check for bAutoRegister near the end of the function, where it registers the component's children if it was created by the Construction ...

Collapsed categories in the My Blueprint tab are automatically expanded when any main tab is clicked

Tools - Jan 30, 2015

Collapsed categories in the My Blueprint tab are automatically expanded when any main tab, such as the Event Graph or Construction Script tab, is clicked. Moving to the Defaults or Components Modes ...