SelectActorsUsingThisAsset doesn't select actors that are referenced by an array and using a Scene component as root

Tools - Sep 11, 2015

SelectActorsUsingThisAsset doesn't select actors that are referenced by an array and using a Scene component as root User Description: I have a BP with editable actor references array. Recently I ...

Crash when opening a project with Renderdoc plugin enabled while renderdoc is installed on the machine

UE - Graphics Features - Oct 6, 2020

-The editor will crash when opening a project with the Renderdoc Plugin enabled while the user has Renderdoc installed on their machine. Uninstalling Renderdoc allows the project to open without cra ...

Duplicating many Actors at once in a Level Instance while in Level Instance Edit will result in a jumbled mess of Actors on the Persistent Level

UE - World Creation - Worldbuilding Tools - Level Instances - Feb 12, 2025

Duplicating many Actors at once in a Level Instance while in Level Instance Edit will result in a jumbled mess of Actors on the Persistent Level. The licensee has encountered this in Unreal 5.4 and ...

Procecdural Mesh Components without a material assigned crashes on conversion to Static Mesh

UE - Graphics Features - Aug 6, 2019

This bug doesn't occur in 4.21. The issue is at line 157 in ProceduralMeshComponentDetails.cpp . When the procedural mesh has a material the crash doesn't occur. File location: Runtime/ProceduralMe ...

[CrashReport] UE4Editor-CoreUObject.dylib!FLinkerPlaceholderObjectImpl::FindRawPlaceholderContainer()

UE - Gameplay - Blueprint Runtime - Mar 2, 2018

No known steps to reproduce There is a UEMP bug entered but wanted to make one UE side for visibility: UEMP-8 ...

Editor Crash While Using "Snap to Floor" Shortcut on Some Foliage Instance.

UE - World Creation - Worldbuilding Tools - Foliage - Apr 15, 2019

When pressing the End key to have a foliage mesh "snap to floor/surface" the editor will crash. Found in 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5898046 ...

Update Mesh Section incorrectly sets vertex colors for a Procedural Mesh

UE - Graphics Tools - Modeling Tools - Jun 21, 2022

This is a regression tested in //UE4/Release-4.27 CL#18319896 Update Mesh Section incorrectly sets vertex colors for a Procedural Mesh. The closer a colors R, G, or B value is to 1.0 or 0.0 the mor ...

Creating a Blueprint Variable for InputActionKeyMappings, and then removing the default input parameter causes crash.

UE - Gameplay - Input - Nov 9, 2018

Upon creation and compilation of a Blueprint Variable of type InputActionKeyMappings, when clicking the "X" to remove the default input key parameter causes the editor to crash. ...

Changing Frame Buffer Pixel Format to Float RGB Causes Editor to Crash

UE - Virtual Production - Aug 20, 2018

Changing Frame Buffer Pixel Format to Float RGB Causes Editor to Crash. Unable to test in 4.19 due to setting not being available. Found in 4.20 CL# 4233996 and 4.21 CL# 4299102  ...

Niagara - "Make Static" nodes do not seem to be working correctly.

UE - Niagara - Apr 7, 2025

When a "Make Static" node is used in a Niagara Function Script or Niagara Module Script to supply the input value for a Static Switch Selector or, a Function Parameter, or a Function Parameter Defau ...