PSScriptAnalyzer v1.3.0
Release introduces the ability to run ScriptAnalyzer on platforms containing PowerShell v3 or higher.
This means PS v5 is no longer the minimum version required.
Other additions include built-in ruleset improvements based on community feedback and community rule contributions.
You can grab this version from PowerShell Gallery @:
http://www.powershellgallery.com/packages/PSScriptAnalyzer/1.3.0
Detailed change log is here:
https://github.com/PowerShell/PSScriptAnalyzer/blob/master/CHANGELOG.MD