Removing a transform track from the sequencer will no longer clean up spawnable actor when the sequencer is closed

UE - Anim - Sequencer - Feb 1, 2021

Note : Reopening the level sequence causes ensure failed. (also see callstack) LogOutputDevice: Error: === Handled ensure: === LogOutputDevice: Error: Ensure condition failed: InstanceRegistry->I ...

Crash on project startup due to certain Skeletal Mesh being accessed

UE - Anim - Runtime - Jan 6, 2021

If you open the 6 assets that were close unexpectedly it will crashEnemy (Blueprint), Player_BP (Blueprint) and ThirdPersonGameMode (Blueprint) it crashesThe texture and Projectile_Base (Blueprint) ar ...

Fixing Issue in Niagara stack across particle and system stages crashes the editor.

UE - Niagara - Jan 18, 2024

The Update Persistent Audio module has a dependency on a Play Persistent Audio module. When there are two modules in different overview nodes, the automatic fix up can put the Play Persistent Audio ...

Crash when duplicating multiple components at once

UE - Gameplay - Blueprint - Apr 4, 2019

When duplicating multiple components at once it appears to crash the editor. Regression: Yes, this appears to be working in the previous version of the engine (4.21.2-4753647) ...

Compsure crashes when reordering transform passes

UE - Graphics Features - Aug 10, 2020

Re-ording the Transformpass array results in a crash of the engine. Link to repro video: [Link Removed] ...

Crash on bake pose when skeleton contains a virtual bone

OLD - Anim - Jan 22, 2018

When a skeleton contains a virtual bone, performing Bake Pose can crash the editor. ...

Editor can crash while performing a Hot Reload after a custom UClass class is added to the project

UE - Foundation - Cpp Tools - Hot Reload - Mar 14, 2019

Performing a Hot Reload after creating a custom UClass class can result in a crash. This was reported on Linux, but reproduced on Windows. Additional testing will be done on Linux to confirm the is ...

Crash changing variable type from Object Reference to Actor Soft Object Reference

UE - Gameplay - Blueprint - Oct 3, 2017

REGRESSION: No, this occurs as far back as 4.16. Crash occurs when the user changes a variable type from Object Reference to Actor Soft Object Reference. ...

Crash when copying and making a button widget the root of a second widget blueprint

UE - Editor - UI Systems - Apr 13, 2021

Pasting a button element from one Widget Blueprint into a second Widget Blueprint that has had its root Canvas Panel deleted results in a crash. The crash only occurs when the Canvas Panel is delete ...