Wine 1.5 has been released install through PPA

Wine team announces the release of Wine 1.5, this release comes with many improvements and bug fix.

The New features available in the latest release inculde

• New version of the Gecko engine.
• Partial support for using the Trash on Mac OS X.
• Support for path gradients in GdiPlus.
• Various MSXML improvements.
• Fixes to 64-bit exception handling.
• Various bug fixes.

For the complete change log read the announcement page.

Wine is a free and open source software application that aims to allow computer programs written for Microsoft Windows to run on Unix-like operating systems.

Installation of Wine on Ubuntu and Ubuntu derivatives

• sudo add-apt-repository ppa:ubuntu-wine/ppa 

• sudo apt-get update 

• sudo apt-get install wine1.3