Enabling MobileHDR on Meta Quest 3 device causes intermittent hang in splash screen

UE - Platform - XR - Feb 2, 2026

Using MobileHDR on an actual MetaQuest device (MQ3 tested) causes an intermittent hang/deadlock in the splash screen. This hang in the splash screen seem to happen maybe 1 in 5 times. The first ti ...

Creating Actors as default subobjects causes crash (casting Outer to Level)

UE - Gameplay - Mar 18, 2016

If two custom classes are created in C++ (Class A & B) and a reference to Class A is created as a member of Class B and initialized in Class B's constructor, the editor will crash once a blueprint o ...

Crash When opening context menu in sequencer

UE - Anim - Sequencer - Mar 14, 2018

Altering a key in an event track that contains a struck with a static mesh variable will cause the editor to crash. ...

Crash on checking event track key property after setting static mesh reference element

UE - Anim - Sequencer - Oct 19, 2017

Event track key with a structure containing staticmesh reference. Setting the staticmesh then reopening the property crashed the editor. ...

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] ...

[CrashReport] UE4Editor_UnrealEd!FAssetData::FAssetData() [assetdata.h:107]

Tools - Feb 22, 2018

No user comments on crash group ...

Garbage Collection crash on Compile attempt

UE - Foundation - Core - Nov 6, 2015

Attempting to compile anything in the editor (blueprint, widget, level bp, etc) will cause the editor to crash. Project Link: [Link Removed] Crash Reporter: [Link Removed] Note This has only been ...

Material Editor Assertion Crash When Collapsing Material Attributes

UE - Rendering - Architecture - Materials - Jul 14, 2022

Collapsed material attribute nodes cause an editor assertion crash in the material editor when viewed or opened. Assertion failed: (Index >= 0) & (Index < ArrayNum): Array index out of bounds: 0 fr ...

Crash when editing gameplay tag query in a structure

UE - Gameplay - Blueprint - Feb 20, 2017

When I try to edit Gameplay tag query in a blueprint structure the editor crashes. Regression: No. This issue affects versions: 4.15, 4.14.3, 4.13.2 (Binary Versions) ...