2.2.0.49 is the very latest version.

Changes in This Release
Player:
• Added JavaScript support to the browser plugins
• Added support for URL Stream Scripting
• Improved ASX handling
• Improved support for MMS servers and live streams
• Improved compatibility with many different web sites
• Removed the user enabled "Create Streaming Movies" preference
• Added support for manual Deactivation/Reactivation
• Fixed potential security issue reported by Drew Yao where an attacker could potentially cause a
security issue by deliberately malforming WMV files.
Exporter:
• Significant encoding speed improvements for Intel Mac
• Improved video quality when encoding 2-pass VBR