On behalf of the IronPython team, I'm happy to announce the first beta release of IronPython 2.7.3. This release includes everything from IronPython 2.7 <http://ironpython.codeplex.com/releases/view/54498>, 2.7.1<http://ironpython.codeplex.com/releases/view/62475>, and 2.7.2.1 <http://ironpython.codeplex.com/releases/view/74478> 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.
There are no major changes from the last alpha, just a bunch of bugfixes and PEP 421, which adds sys.implementation. *IMPORTANT*: There is a known issue if IronRuby 1.1.3 is installed (2.7.2.1 "load language" problem <http://ironpython.codeplex.com/workitem/32452>). *You must uninstall IronRuby* before installing IronPython 2.7.3. This will be resolved before the final 2.7.3 release. The biggest improvements in IronPython 2.7.3 are: - the winsound and _bisect modules, - the bz2 module, - major improvements to the _ast module, - support for response files in pyc.py, - support for loading zip packages from resources, - the "SuperConsole" is now the default, which adds line history and tab-completion on all platforms, - improvements to Android support, - and numerous other bug fixes<http://ironpython.codeplex.com/workitem/list/advanced?keyword=&status=Fixed&type=All&priority=All&release=2.7.3&assignedTo=All&component=All&sortField=LastUpdatedDate&sortDirection=Descending&page=0> . IronPython 2.7.3 is also available for embedding via NuGet<http://nuget.org/>. The main package is IronPython, and the standard library is in IronPython.StdLib. Because this is a prerelease package, you must use -IncludePrerelease on the command line or select "Include Prerelease" from the package drop-down menu (NuGet 1.7 only). A huge thanks to everyone who helped make this release possible; this wouldn't have been nearly as big a release without your help!
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