Xen.org have published the Xen 3.3 datasheet which details the full list of new features included in the newest version of the open source hypervisor.

It supports a wide range of guest operating systems including Windows, Linux, Solaris, and various versions of the BSD operating system.

Here is a run down of the new features:

Performance and Scalability

• CPUID Levelling
• Shadow 3 Page Table Optimizations
• EPT/NPT 2MB Page Support
• Virtual Framebuffer Support for HVM Guests
• PVSCSI — SCSI Support for PV Guests
• Full 16-bit Emulation on Intel VT
• Support for memory overcommit allowing more VMs per physical machine for some workloads

Security

• PVGRUB Secure Replacement for PYGRUB
• IO Emulation “stub domains” for HVM IO

Green Computing

• Enhanced C & P State Power Management

Graphics Support

• VT-d Device Pass-Through Support

Miscellaneous

• Upgrade QEMU Version
• Multi-Queue Support for Modern NICs
• Removal of Domain Lock for PV Guests
• Message Signalled Interrupts
• Greatly improved precision for time-sensitive SMP VMs

It also lists some of the major Xen contributors including Oracle, Red Hat, Novell, Sun, Lenovo, Samsung and Fujitsu.

Click here for the Xen 3.3 Data Sheet