Service Pack 1 for XenClient offers some tweaks to the logon and interface experience, expanded device compatibility and product fixes, including:

What’s new with XenClient?

• Lenovo T510 and Panasonic Toughbook 52 added to the HCL
• Citrix® FlexCast™ integration – support for streamed VHDs from Provisioning Services
• Improved audio playback and recording support, including use of default volume levels
• Streamlined boot and logon experience, enabling users to immediately boot into a VM and also boot a VM in the background
• Enhanced network configurations (static IP support) and reliability
• Improved support for international text entry
  

The Synchronizer for XenClient also received several updates to enhance usability, configuration and reliability:

• Improved support for connecting to synchronizers with non-standard hostnames
• Improved cross-browser compatibility for the user interface
• Enhanced reliability of virtual machine image transfers
• Support for caching Active Directory credentials offline
• Improved disk space usage reporting
• Security enhancements
  

Click here to download

Video is in the making with a how to upgrade step by step guide for the Synchronizer, stay tuned to ervik.as

Here is the current Hardware support list for XenClient 1.0 Service Pack 1: