FNotifyNodeInterface crashes when referenced Notify is invalid

UE - Anim - Runtime - Mar 1, 2024

Currently FNotifyNodeInterface directly references notifies that live within the related anim sequence.  This can cause intermittent crashes when notifies are removed as the UI can still reference t ...

Investigate Streaming getting disabled on a World Partition map as a side-effect of loading the map as a regular asset

UE - World Creation - Worldbuilding Tools - World Partition - Apr 1, 2025

We recently encountered an odd issue where loading into our main world partitioned map would result in a crash caused by all streaming cells getting loaded at the same time. Turns out this was cause ...

Compiling blueprint with nested subobjects loses data

UE - Gameplay - Blueprint - Jan 25, 2018

The attached project is from a licensee who made a Quest system where a blueprint has several ConditionContainer instanced subobjects, that contain EdGraphs with custom question condition nodes. On ...

[CrashReport] GPUCrash - exiting due to D3D device being lost - D3D Hung - AMD

UE - Graphics Features - May 14, 2019

Separating [Link Removed] into Nvidia and AMD tickets.This ticket will house AMD information Exported data on 5/14/2019 with following Query:1 Month Time FrameMajorVersion is 4.22.1Callstack Contai ...

AssetManager ModifyCook does not correctly apply PrimaryAssetLabel references

UE - Foundation - Data Pipeline - Cooker - Feb 10, 2022

Right now the AssetManager uses different logic in ModifyCook vs VerifyCanCook, specifically related to secondary assets like textures or maps that are indirectly loaded by soft object paths and are ...

Crash when playing HLS video with ElectraPlayer on iOS16

UE - Media Framework - Mar 15, 2023

Licensee reported crash when playing HLS video with ElectraPlayer on iOS16. According to their research, we can avoid the fix by doing the following: Delete check() in the corresponding line Engine ...

Behavior of configuration file hierarchy is different from document

UE - Foundation - Core - Nov 6, 2015

Licensee reported behavior of configuration file hierarchy is different form document here (https://docs.unrealengine.com/latest/INT/Programming/Basics/ConfigurationFiles/index.html) Doc: 1. Engine ...

Static lighting issues with foliage

UE - World Creation - Worldbuilding Tools - Foliage - May 28, 2016

The user reports a scene with a reasonable number of foliage instances renders with black lighting: After updating to 4.11 (.1 or .2 doesn't matter) I have not been able to bake my lighting properl ...

[CrashReport] UE4Editor_UnrealEd!FAssetEditorToolkit::InitAssetEditor() [asseteditortoolkit.cpp:62]

Tools - Aug 29, 2017

This is an infrequent crash occurring for users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. The callstack is the same as in [Link Removed], but that ...

[CrashReport] UE4Editor_SlateCore!SWindow::IsVisible() [swindow.cpp:1320]

Tools - Oct 12, 2017

This is a trending crash coming out of the 4.18 previews and 4.18.0. The callstack is similar to a Mac crash that was fixed in 4.16.2 - [Link Removed] User Descriptionswas testing 3rd person temp ...