notes that the September 2014 preview of Windows Management Framework 5.0 (PowerShell v5) is available for download .
Here’s a list of changes as noted in by PowerShell Magazine:
Some of these changes are: Generate Windows PowerShell cmdlets based on an OData endpoint Manage .ZIP files with new cmdlets DSC Authoring Improvements in Windows PowerShell ISE New Attribute for defining DSC meta-configuration Use partial configurations DSC Cross-computer synchronization through DSC Get the current DSC configuration status Compare, Update, and Publish DSC configurations Audit Windows PowerShell usage by transcription and logging Extract and parse structured objects out of string content Extend the item noun to enable Symbolic Links Develop with classes in Windows PowerShell Register a PSRepository with PowerShell Get Network Switch management through Windows PowerShell (improvements)