Packaged Game crashes when using blend space that was added from the context menu

UE - Anim - Runtime - Anim Blueprints - Nov 16, 2021

Blendspace created within an animation blueprint from the context menu throws an assertion when packaged and ran. Only occurs in packaged projects. The blendspace will work correctly in PIE, and st ...

Crash while trying to import a C4D file with Animation via Datasmith

UE - Editor - Content Pipeline - Datasmith - Importer - Apr 10, 2020

The file was originally created by Mixamo and saved as FBX. It was resaved it in C4D with the Save for Cineware Option. Importing it into the Editor causes it to crash. This was tested and reported ...

GameplayTagContainers can cause a crash in packaged builds when Event Driven Loading is enabled

UE - Gameplay - Dec 15, 2017

A user has reported that using a GameplayTagContainer can cause a packaged build to crash when EDL is enabled in certain cases. In this case, if the base C++ class that includes this GameplayTagCont ...

Crash Occurs When Running EQS Query on Mobile

UE - AI - Oct 19, 2016

Deploying a project to a mobile device that runs an EQS Query is causing the game to crash on the device. This has been tested with a Galaxy Note 4 and iPhone 5s. Attached are the logs from the de ...

FStateTreeExecutionContext::GetDebugInfoString() outputs wrong info and crashes when using linked state trees

UE - AI - Debugging - Apr 17, 2025

When using State Trees, the AI Debugger can be accessed during play to show information about their current execution state. If a behavior tree is currently in a state that references a linked tree, ...

OnRep functions do not fire on the client

UE - Networking - Mar 15, 2015

OnRep functions do not fire on the client. Reproduced in 4.7.2 binary and Main (//depot/UE4/Promotable-CL-2478413) ...

Struct array of type 'key' dirties blueprint each time it is re-opened

UE - Gameplay - Blueprint - Aug 29, 2016

Struct array of type 'key' dirties blueprint each time it is re-opened. Regression (no) issue (does) occur in 4.11.2 ...

Landscape Mode automatically turns on Game View in Viewport

UE - LD & Modeling - Terrain - Landscape - Oct 31, 2016

Landscape Mode automatically turns on game view in the level Viewport. Regression (yes) issue (does not) occur 4.13.2 ...

Need to update to libpng for Android; current one triggers security alert on Google Play

UE - Platform - Mobile - Sep 28, 2016

We are using libpng 1.5.2 which is triggering this alert from Google on Android apps: [Link Removed] Need to update the library. ...

Unable to go fullscreen in Standalone Game

Tools - Jan 5, 2017

Unable to make the Standalone Game window fullscreen with a console command or with Alt+Enter. This is a regression as this was not an issue in 4.14.2. ...