Child Actor Component Actor Duplicates and Persists After Play

UE - Gameplay - Sep 26, 2019

When an actor spawns another actor using AddChildActorComponent that comes alphabetically before it based on blueprint name it will spawn an extra actor that will persist when the scene is stopped d ...

Crash if the setting of PhysicalAnimationComponent is changed in the same frame as teleport processing

UE - Simulation - Physics - Apr 24, 2020

Crash when ApplyPhysicalAnimationProfileBelow node and UPhysicalAnimationComponent :: UpdateTargetActors by UPhysicalAnimationComponent :: OnTeleport run in the same frame. Because RuntimeInstanceDa ...

VCam Freeze During Play / Simulate

UE - Virtual Production - Tools - Virtual Camera - Apr 20, 2023

VCam Freeze During Play / Simulate - "LogUIActionRouter: Cleaned out [0] inactive UI action bindings" Hi. So I can successfully use the VCamActor with my iPad Pro during non-play/simulate mode. ...

Menus flash when being opened with application scale adjusted

UE - Editor - UI Systems - Slate - Jun 1, 2021

When application scale is adjusted the menu bar menus will flash when they are opened. This issue is occurring in //UE5/Release-5.0-EarlyAccess Binary CL 16433597 This issue is NOT  occurring in // ...

The 'Console Variables' option does not Output an HTML file

Tools - Aug 23, 2016

No HTML file is created when using the newly added 'Console Variables' help menu option. This option is the same as entering 'Help' into the console command window. Neither of these options produce ...

Unable to select Foliage in the World Outliner

UE - World Creation - Worldbuilding Tools - Foliage - Mar 13, 2020

Foliage is not an asset that you can select through the World Outliner and the "Select" button in Foliage Tool is not working for this case. If you create new foliage, it will be set to scale 0 and ...

Float Curve that is set as a local variable in an actor's function is garbage collected when in Standalone, causing a crash

UE - Gameplay - Blueprint - Sep 9, 2016

If a Curve Float local variable is created for a function, it will be garbage collected when garbage collection occurs. This causes the process to crash due to an null pointer error whenever it is r ...

FBX export from UE4 with multiple materials the UV is corrupted

Tools - Apr 18, 2016

When exporting a Static Mesh from within UE4 that has multiple materials, some of the material IDs will be condensed into a single ID which will mess up how the material assignment for that part of ...

Crosshair and hand no longer present in Blueprint Editor

UE - Gameplay - Blueprint Editor - Feb 20, 2017

In 4.14 and earlier version hovering the mouse over a pin would change the mouse into a crosshair shape, then if you were to press and hold the Ctrl key and drag with the mouse, it would change into ...

wire import crash on file generated by alias 2021.3

UE - Editor - Content Pipeline - Import and Export - Jul 20, 2021

Our company has updated Alias to 2021.3.1 and now Datasmith crashed when importing .wire files. Previously we had Alias 2019 and Alias 2021.1 installed. Now just Alias 2021.3.1 and then the issue be ...