Changing the channel name inside of the channel mask parameter node results in crash

UE - Rendering Architecture - Materials - Mar 4, 2020

Changing the name of a channel inside of the channel mask parameter node results in a crash. ...

Crash when sculpting on duplicated landscape with edit layers enabled

UE - LD & Modeling - Terrain - Landscape - Jun 8, 2021

Crash happens when trying to sculpt on a duplicated landscape that has edit layers enabled. This crash does not occur for landscapes that are duplicated with edit layers disabled. ...

Using NewObject inside PostInitProperties causes the editor to crash

UE - Gameplay - Blueprint - Oct 23, 2015

Using NewObject inside PostInitProperties and creating a BP of the class will cause the editor to crash on PIE if the BP is is set in gamemode defaults ...

Crash Applying Multiple Anim Modifiers

UE - Anim - Runtime - Sep 5, 2021

Fatal error: [Link Removed] [Line: 2516] Fatal error: [Link Removed] [Line: 2516]Objects have the same fully qualified name but different paths. New Object: MotionExtractorModifier /Game/Characters/ ...

During SIE (simulate) and ejected-PIE, modifying a map actor causes triggers RerunConstructionScript() which discards all runtime modifications to SCS components

UE - Gameplay - Blueprint Runtime - Sep 6, 2024

When Simulating, or Playing-In-Editor and ejected, modifying an actor in the editor world causes the SIE/PIE runtime actor to recreate its blueprint added components via AActor::RerunConstructionScr ...

Editor crashes when an Animation Blueprint Template is compiled with 'Layered Blend Per Bone' node

UE - Anim - Runtime - Mar 17, 2022

Editor crashes when an Animation Blueprint Template is compiled with 'Layered Blend Per Bone' node. ...

Crash when syncing a folder with source control that contains a level that utilizes Level Streaming

Tools - Dec 28, 2017

A crash occurs when you attempt to run the sync command on a folder that contains a level that is using level streaming in the editor. This was tested with Perforce and Subversion. Have not tested ...

ListView crashes when GlobalInvalidation is enabled.

UE - Editor - UI Systems - Slate - Jan 11, 2022

Reverting to the fix in [Link Removed] (CL#17788567) will avoid the crash. ...

Ensure thrown when applying a Linear Color User Exposed Variable in a Niagara Emitter

UE - Niagara - May 20, 2022

This is a regression tested in //UE4/Release-4.27 CL18319896. Ensure thrown when applying a Linear Color User Exposed Variable in a Niagara Emitter. ...

Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node

UE - Gameplay - Blueprint - Jul 18, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node.  ...