Dell released PowerGUI 3.6.0 script editor early this week. With this release, PowerGUI includes full support for Windows PowerShell 3.0 and support for Windows 8 / Windows Server 2012 Operating Systems.
You can download this new release on PowerGUI.org. A complete list of changes since the release of PowerGUI 3.0 are available here.
Source : PowerShellMagazine