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) ...

GAS: Ability that destroys owning actor on activate causes crashes due to ABILITYLIST_SCOPE_LOCK

UE - Gameplay - Gameplay Ability System - Oct 31, 2023

A GameplayAbility that destroys its owning actor inside ActivateAbility() causes a crash, because actor destruction will modify the ability list but ActivateAbility() is called within an ABILITYLIST ...

Crash when setting console command for shadow max resolution to 1

UE - Graphics Features - May 29, 2015

When setting the console command r.shadow.MaxResolution to a value of 1 will cause a crash. CrashReporter: [Link Removed] ...

Crash on Check Always Create Physics State on Simulated Skeletal Mesh

UE - Gameplay - Components - Jun 25, 2015

When you place a Skeletal Mesh using a Simulated Physics Asset into a Blueprint, check Always create a Physics State and Save BP, crash. [Link Removed] Also reproduced in Main Promotable-CL-259954 ...

Sequencer Conditions crash - GarbageCollectionVerification

UE - Anim - Sequencer - Apr 3, 2025

Encountered a crash during the garbage collection phase when using sequencer conditions with subsequence tracks. Specifically, objects appear to break the "Disregard for GC" assumptions. ...

Changing particle system template via Blueprints crashes Editor and packaged game

UE - Niagara - Apr 4, 2019

Setting a ParticleSystem component in a Blueprint to none/null with a "Set Template" node causes the editor and the packaged project to crash. I have noticed this when migrating my game to 4.22, whi ...

Chaos + iOS Preview rendering crash

UE - Simulation - Physics - Sep 11, 2019

Geometry Collection crash on PIE in iOS preview. ...

EngineTest crashes on open when opened through Binary - UVGeneration.usf

UE - Graphics Features - Jul 27, 2017

Crash occurs when opening EngineTest in Binary Launcher, this occurs on both Windows and Mac. Issue does not occur when opening through P4.Fatal error: [File:D:\Build\++UE4+Release-4.17+Compile\Syn ...

Crash editor when raytracing is enabled and enter kanji characters into TextRenderActor

UE - Graphics Features - Ray Tracing - Apr 25, 2024

The editor crashes when entering Kanji characters into TextRenderActor with raytrace enabled. This does not happen with English text.  ...

[CrashReport] Crash on Mac during cook - UEditorEngine::UpdateAutoLoadProject()

UE - Platform - Apple - Jun 6, 2017

This is a top crash on Mac. This crash has only occurred on the 4.16.1 release (there are no records of it in 4.16.0). Repro steps are currently unknown, but the crash occurs in Commandlet mode and ...