After 20 months of development, has been announced today the release of Wine 1.4 final, the new release comes with new features and improvements, the main change in this major stable release are the new DIB graphics engine, a redesigned audio stack, and full support for bidirectional text and character shaping. beside the improvement, this release added support to many new applications, notably Microsoft Office 2010.
Installation of Wine 1.4 on Ubuntu and LinuxMint
For Ubuntu and LinuxMint you can install wine 1.4 useing the following PPA:
sudo add-apt-repository ppa:ubuntu-wine/ppa sudo apt-get update sudo apt-get install wine1.3
For other Linux distributions, check the download page for your distro