Fractured Geometry Collection triggers a crash when colliding with an Animation Blueprint with a Rigidbody Node

UE - Simulation - Physics - Character - Sep 25, 2023

This is not a regression. Tested in //UE5/Release-5.2 CL26001984 The editor crashes when a physics asset of an animation with rigid body collides with geometry collection. ...

Crash launching UE4Editor.exe from cmd.exe with -dx12 argument

UE - Graphics Features - Feb 3, 2017

My Nvidia driver is our current approved driver: 378.49 ...

Level Blueprint can be reparented to None, crashes Editor on Compile

UE - Gameplay - Blueprint Compiler - Jan 3, 2023

This is a Regression. Tested in //UE5/Release-5.0 CL 20979098 - "None" is not an option for the parent class and the "Reset this Property" is not initially there. ...

Crash inside GetActualComponentTemplate() during Blueprint nativization.

UE - Gameplay - Blueprint - Nov 15, 2017

Report of a crash happening during Blueprint nativization with a specific project, appears to be related to an inherited component template. Unable to repro in a new project. Callstack is noted. ...

HLOD build fails depending on the value of Loading Range in the World Settings

UE - World Creation - Worldbuilding Tools - HLOD - Jun 14, 2022

HLOD actors are generated on the outliner, but no geometry is generated. An error occurs in the output log. ...

Niagara Fluids Grid3D_Gas_Explosion causes a crash

UE - Niagara - May 4, 2022

Placing Grid3D_Gas_Explosion into a level then packaging the level for windows will crash the packaged project. The package will give an error that it crashed while loading and quit.  This does not ...

Assert cooking QAGame QA-Blueprints map with Nativization enabled

UE - Gameplay - Blueprint Runtime - Apr 18, 2017

When cooking QAGame (QA-Blueprints map) an assert is triggered during the cook step. So far I have reproduced this for: Win64 and PS4. ...

Niagara and Groom causes exception crash on Launch when using

UE - Simulation - Physics - Mar 2, 2020

Trying a Launch after every step shows that the problem occurs as soon as the GroomAssetSystem is added to Niagara. If the GroomAssetSystem is removed, the game launches fine (but the hair doesn't m ...

Scene with texture collection crashes when dumping a full memreport

UE - Rendering Architecture - RHI - May 28, 2025

A licensee has reported that generating a full memreport of a packaged project which uses a texture collection leads to a crash. ...