Unreal Engine Issues

Crash when editing draw size for a widget component

A crash will occur when editing the Draw Size of a Widget Blueprint in an Actor Blueprint class. Sometimes it will crash instantly after editing the Draw Size and other times it will take a couple ...

Crash selecting AI-controlled pawn while simulating

Crash occurs when the user select an AI-controlled pawn while simulating in viewport. This seems to only occur if the pawn is moving or getting directions from the controller (example, if you selec ...

Editor Crashes After Building Lighting with Blueprint Set to Native Parent Class: Light

Whenever a Blueprint set to Native Parent Class: Light is placed into a level, Editor crashes after building lighting. The Blueprint does not need to contain an actual light component to crash the e ...

Crash occurs when entering r.GbufferFormat 3 and running the Pixel Inspector Tool

A crash occurs when attempting to run the Pixel Inspector tool after entering 'r.GbufferFormat 3' What this does is defines the memory layout used for the GBuffer. (affects performance, mostly thro ...

Crash Occurs when changing the 'Max Metal Shader Standard To Target' option within iOS Project Settings

A crash occurs when setting the Max Metal Standard Shader version within the Project Settings for iOS. I tested on both Mac and PC and the crash occurs on both machines. Regression? No, this is not ...

Crash with FBX Import as Skeletal Mesh

Using the test asset provide the editor will crash when changing the import to Skeletal Mesh. This is a regression from 4.13 where this could be imported as Skeletal Mesh without issue. In 4.14 an ...

[Crash]-[Reimport] - Crash on reimporting CAD file with deleted light sources

PhysX Crash when Spawning Destructible Meshes at Runtime

I was only able to reproduce this issue after receiving the user's project. The project he provided crashes when I follow his directions, but after looking at the blueprints involved in the crash r ...

Crash upon adding an Interface to a Blueprint that has a function name that matches the name of a variable in the Blueprint.

When you add an Interface to a Blueprint that contains a variable with the same name as one of the Interface's functions, the editor will crash upon compiling the blueprint. In 4.16, this only cause ...

iOS Metal-based build crashes at launch with sub-levels.

Application crashes when deploying a game to iOS with Metal enabled. This has only been reproduced if a sub-level has been added to the starting level within the project. This seems to only happen ...