On behalf of the IronPython team, I'm happy to announce the final release IronPython 2.7.2. This release includes everything from IronPython 2.7 and 2.7.1 as well. Like all IronPython 2.7-series releases, .NET 4 is required to install it. Installing this release will replace any existing IronPython 2.7-series installation.

Unlike previous releases, the assemblies for all supported platforms are included in the installer as well as the zip package, in the "Platforms" directory. IronPython 2.7.2 includes support for .NET 3.5, .NET 4, Silverlight 4, and Silverlight 5, and preliminary releases for Mono for Android 4.0 and Windows Phone 7.5. For 2.7.2, the mobile platforms are previews; they have known issues, and expect them to change for 2.7.3.

The biggest improvements in IronPython 2.7.2 are:

• support for loading libraries from zip archives (the zipimport module);
• the sqlite3 module;
• many improvements to the pyc.py compiler, such as the ability generate standalone executables by embedding the IronPython assemblies;
• and numerous other bug fixes.

IronPython 2.7.2 is also available for embedding via NuGet. The main package is IronPython, and the standard library is in IronPython.StdLib.

A huge thanks to everyone who helped make this release possible; this wouldn't have been nearly as big a release without your help!

UPDATE: There was a fairly serious regression in operator method resolution introduced between 2.7.2 RC1 and 2.7.2 (sys.version_info < tuple doesn't work like CPython). Updating to 2.7.2.1 is strongly recommended.