Unreal Engine 4.0 Update Notes


4.0.0 Release

Released: 03/19/2014



4.0.1 Hotfix

Released: 03/19/2014

Github: https://github.com/EpicGames/UnrealEngine/tree/4.0.1-release


  • Fixed critical launch issues

4.0.2 Hotfix

Released: 04/01/2014

Github: https://github.com/EpicGames/UnrealEngine/tree/4.0.2-release


  • [Windows] Fixed DirectX 11 crash when launching on older GPUs

  • [Windows] Fixed being unable to compile Android projects when launching from the editor

  • [Windows] Fixed crash on startup for some AMD CPUs

  • [Windows] Fixed broken shell extensions when running RegisterShellCommands.bat in GitHub builds using "Run as Administrator"

  • [Windows] Added support files required for Subversion support (preview release)

  • [Windows] Fixed issue where engine could fail to compile with multiple versions of Visual Studio installed

  • [Mac] Fixed crash on startup caused by certain USB peripherals plugged in

  • [Mac] Fixed logs being cut off after crash

  • [Mac] Fixed crash on startup caused by non-standard maximum number of open files

  • [Mac] Noticeably improved performance on non-Intel GPUs

  • [Mac] Fixed crash on startup running ShooterGame as a standalone game

QFE for the 4.0.2 Hotfix

If you are using the latest hotfix for this engine version and experience the issue described below, download and run this ‘quick fix’ to resolve the issue.

  • Fixes Launcher failing to launch after install on Mac; and unable to read info about mouse. (report)

Download 1: http://cdn.unrealengine.com/qfe/QFE-FromCL-2034640-Shelve-2048959.zip

Download 2: http://cdn.unrealengine.com/qfe/UnrealEngine_QFE_2039063.dmg

Notes: When you get them, install Unreal Engine app from UnrealEngine_QFE_2039063.dmg to your /Applications folder, then open Terminal app and type:

  • open /Applications/Unreal\ Engine.app --args -noselfupdate

-noselfupdate argument is important because without it the app would update to official version that doesn't work for you. After you download the engine using Unreal Engine app, unzip QFE-FromCL-2034640-Shelve-2048959.zip and run the patch installer it contains. After that you should be able to use the editor etc. You can start the editor by launching it directly: /Users/Shared/UnrealEngine/4.0/Engine/Binaries/MacUE4Editor.app.

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