Parallels Desktop v9.0.24172.951362 (Mac OS X)
412 MB

New PowerNap extends to Windows and Windows applications so you're always up to date

New Mountain Lion Dictionary gesture works in Windows applications
New Connect Thunderbolt and Firewire devices to either your Mac or your virtual machine just like you do with USB devices
Enhanced The New Virtual Machine wizard makes it even easier to create new virtual machines, automatically locating operating systems on your machine or letting you manually select a range of media types to install

Performance

40 better disk performance than the previous version
Virtual machines shut down up to 25 faster than the previous version
Virtual machines suspend up to 20 faster than the previous version
3D graphics and web browsing is 15 faster than the previous version

Cloud

iCloud, Dropbox, Google Drive and SkyDrive optimizations eliminate duplication of files locally

Peace of Mind

New Get stuff done in Windows 8 with a real Start menu and the ability to run Modern (Metro) apps in a separate window rather than in full screen
New The Security Center makes it easy for you to be sure all your stuff is secure, both on your Mac and in your Windows virtual machine
New OS X Mavericks (10.9) and Windows Blue (8.1) support

What's New
Version 9.0.24172:

- Resolves an issue with the OS X login screen appearing after moving the mouse pointer to the left bottom corner of the screen while Windows is running in Coherence.
- Resolves an issue with the prl-cc.exe process blocking Windows shutdown.
- Resolves an issue with some OpenGL applications (e.g. Google Chrome) crashing accidentally when running in a virtual machine.
- Resolves an issue with Parallels Transporter Agent for Linux not installing on a Linux computer.