Unreal Engine 4.5 Update Notes


4.5.0 Release

Released: 10/14/2014

Github: https://github.com/EpicGames/UnrealEngine/releases/tag/4.5.0-release

Release Notes: Unreal Engine 4.5 Release Notes

4.5.1 Hotfix

Released: 10/23/2014

Github: https://github.com/EpicGames/UnrealEngine/tree/4.5.1-release


  • The default landscape material now correctly renders on VehicleGame.

  • Fixed an error when using Hot-Reload with XCode.

  • Fixed an error when packaging projects on Linux OS.

  • Corrected bugs that occurred on Nvidia devices in 10.10 Yosemite.

  • Fixed an error while attempting to join a match of Shootergame while on Linux OS.

  • Fixed the UI in Shootergame to be properly masked on Linux OS.

  • Material Parameter Collections now work properly when called through Blueprints.

  • Mouse input has been adjusted to a more consistent and less sensitive state.

  • Resolved some issues discovered with retargeting animations with Epic compatible skeletons.

  • Fixed an issue with iOS certificate validation while packaging projects.

QFE for the 4.5.1 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 issue where editor incorrectly detects that iTunes isn't installed and will not allow any iOS Launch On or Package.

Windows Download

Select Skin

Welcome to the new Unreal Engine 4 Documentation site!

We're working on lots of new features including a feedback system so you can tell us how we are doing. It's not quite ready for use in the wild yet, so head over to the Documentation Feedback forum to tell us about this page or call out any issues you are encountering in the meantime.

We'll be sure to let you know when the new system is up and running.

Post Feedback