Niagara Component can crash if ticked with a null tick function

UE - Niagara - Mar 12, 2021

Niagara components don't null check their tick functions, and can cause a crash as a result. Compare to UParticleSystemComponent::TickComponent which does. It's fairly common in the engine to pass n ...

Adding a Local Variable to a blueprint Construction Script will cause a crash

UE - Gameplay - Blueprint - Dec 18, 2014

Adding a Local Variable to a blueprint Construction Script will cause a crash ...

App crashes when attempting to move a physics object with the physics gun on tvOS

UE - Simulation - Physics - Oct 10, 2016

QAGame is crashing on tvOS when attempting to move physics objects with the physics gun ...

Packaged game crashes when enabling Pre-load Screen Movie Player

UE - Automation Test - Jan 31, 2019

Packaged game crashes when enabling Pre-load Screen Movie Player ...

Crash when referencing GearVRController

UE - Gameplay - Blueprint - Jul 10, 2017

SamD and I noticed that in 4.17 the GearVRController component wasn't appearing in searches in the editor. This crash doesn't occur in 4.16.1 ...

Crash When Substance Material Is Applied to a Mesh In HLOD System

UE - World Creation - Worldbuilding Tools - HLOD - Sep 3, 2018

Crash when Substance material is applied to a mesh included in the HLOD system. Working as expected in 4.19 CL# 4033788. Unable to test issue in 4.21 CL# 4339215 due to plugin dependency. Found in ...

Crash closing Parent and Child blueprint after renaming variable

UE - Gameplay - Blueprint - Oct 4, 2017

REGRESSION Uncertain, was not able to repro in 4.17 with these steps. But I also can't repro with another version of QAGame in Binary editor. Crash occurs when the user closes a parent and child b ...

Crash reimporting Skeletal Mesh that has an extremely high amount of LODs

Tools - Nov 14, 2017

I have attached the project I used to repro this as well. All you should need to do is reimport twice on the untitled skeletal mesh and it should crash ...

Crash on setting Material in Element 1 of Combined Mesh

Tools - Mar 19, 2015

Crash on clearing or setting the second or third material slot in the Static Mesh Editor on an imported combined FBX Mesh. Also Reproduced in Main Promotable-CL-2484152 (Perforce) NOTE: User is o ...

Project with bStartInVR enabled and Paper2D plugin disabled, editor crashes on startup

UE - Platform - XR - Mar 11, 2017

Project with bStartInVR enabled and Paper2D plugin disabled, editor crashes on startup ...