<span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">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 </span><a href="http://ironpython.codeplex.com/releases/view/54498" style="text-decoration:none;color:rgb(46,139,204);margin:0px;padding:0px;border:0px;outline:0px;font-size:13px;vertical-align:baseline;font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;line-height:19px">2.7</a><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">, </span><a href="http://ironpython.codeplex.com/releases/view/62475" style="text-decoration:none;color:rgb(46,139,204);margin:0px;padding:0px;border:0px;outline:0px;font-size:13px;vertical-align:baseline;font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;line-height:19px">2.7.1</a><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">, and </span><a href="http://ironpython.codeplex.com/releases/view/74478" style="text-decoration:none;color:rgb(46,139,204);margin:0px;padding:0px;border:0px;outline:0px;font-size:13px;vertical-align:baseline;font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;line-height:19px">2.7.2.1</a><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px"> as well. Like all IronPython 2.7-series releases, </span><b style="margin:0px;padding:0px;border:0px;outline:0px;font-size:13px;vertical-align:baseline;color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;line-height:19px">.NET 4 is required</b><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px"> to install it. Installing this release will replace any existing IronPython 2.7-series installation.</span><div>
<br></div><div>There are no major changes from the last alpha, just a bunch of bugfixes and PEP 421, which adds sys.implementation.<br style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">
<br style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px"><b style="margin:0px;padding:0px;border:0px;outline:0px;font-size:13px;vertical-align:baseline;color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;line-height:19px">IMPORTANT</b><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">: There is a known issue if IronRuby 1.1.3 is installed (</span><a href="http://ironpython.codeplex.com/workitem/32452" style="text-decoration:none;color:rgb(46,139,204);margin:0px;padding:0px;border:0px;outline:0px;font-size:13px;vertical-align:baseline;font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;line-height:19px">2.7.2.1 "load language" problem</a><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">). </span><b style="margin:0px;padding:0px;border:0px;outline:0px;font-size:13px;vertical-align:baseline;color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;line-height:19px">You must uninstall IronRuby</b><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px"> before installing IronPython 2.7.3. This will be resolved before the final 2.7.3 release.</span><br style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">
<br style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px"><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">The biggest improvements in IronPython 2.7.3 are:</span><ul style="margin:15px 0px 20px;padding:0px 0px 0px 35px;list-style:none;border:0px;outline:0px;font-size:13px;vertical-align:baseline;color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;line-height:19px">
<li style="margin-left:0px!important;margin-bottom:0.3em;margin-top:0.3em;margin-right:0px;padding:0px;border:0px;outline:0px;vertical-align:middle">the <span class="codeInline" style="margin:0px;padding:0px;border:0px;outline:0px;vertical-align:baseline;font-family:Consolas,'Courier New',Courier,monospace">winsound</span> and <span class="codeInline" style="margin:0px;padding:0px;border:0px;outline:0px;vertical-align:baseline;font-family:Consolas,'Courier New',Courier,monospace">_bisect</span> modules,</li>
<li style="margin-left:0px!important;margin-bottom:0.3em;margin-top:0.3em;margin-right:0px;padding:0px;border:0px;outline:0px;vertical-align:middle">the <span class="codeInline" style="margin:0px;padding:0px;border:0px;outline:0px;vertical-align:baseline;font-family:Consolas,'Courier New',Courier,monospace">bz2</span> module,</li>
<li style="margin-left:0px!important;margin-bottom:0.3em;margin-top:0.3em;margin-right:0px;padding:0px;border:0px;outline:0px;vertical-align:middle">major improvements to the <span class="codeInline" style="margin:0px;padding:0px;border:0px;outline:0px;vertical-align:baseline;font-family:Consolas,'Courier New',Courier,monospace">_ast</span> module,</li>
<li style="margin-left:0px!important;margin-bottom:0.3em;margin-top:0.3em;margin-right:0px;padding:0px;border:0px;outline:0px;vertical-align:middle">support for response files in pyc.py,</li><li style="margin-left:0px!important;margin-bottom:0.3em;margin-top:0.3em;margin-right:0px;padding:0px;border:0px;outline:0px;vertical-align:middle">
support for loading zip packages from resources,</li><li style="margin-left:0px!important;margin-bottom:0.3em;margin-top:0.3em;margin-right:0px;padding:0px;border:0px;outline:0px;vertical-align:middle">the "SuperConsole" is now the default, which adds line history and tab-completion on all platforms,</li>
<li style="margin-left:0px!important;margin-bottom:0.3em;margin-top:0.3em;margin-right:0px;padding:0px;border:0px;outline:0px;vertical-align:middle">improvements to Android support,</li><li style="margin-left:0px!important;margin-bottom:0.3em;margin-top:0.3em;margin-right:0px;padding:0px;border:0px;outline:0px;vertical-align:middle">
and <a href="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" style="text-decoration:none;color:rgb(46,139,204);margin:0px;padding:0px;border:0px;outline:0px;vertical-align:baseline">numerous other bug fixes</a>.</li>
</ul><br style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px"><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">IronPython 2.7.3 is also available for embedding via </span><a href="http://nuget.org/" style="text-decoration:none;color:rgb(46,139,204);margin:0px;padding:0px;border:0px;outline:0px;font-size:13px;vertical-align:baseline;font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;line-height:19px">NuGet</a><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">. The main package is </span><span class="codeInline" style="margin:0px;padding:0px;border:0px;outline:0px;font-size:13px;vertical-align:baseline;font-family:Consolas,'Courier New',Courier,monospace;color:rgb(37,51,64);line-height:19px">IronPython</span><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">, and the standard library is in </span><span class="codeInline" style="margin:0px;padding:0px;border:0px;outline:0px;font-size:13px;vertical-align:baseline;font-family:Consolas,'Courier New',Courier,monospace;color:rgb(37,51,64);line-height:19px">IronPython.StdLib</span><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">. Because this is a prerelease package, you must use </span><span class="codeInline" style="margin:0px;padding:0px;border:0px;outline:0px;font-size:13px;vertical-align:baseline;font-family:Consolas,'Courier New',Courier,monospace;color:rgb(37,51,64);line-height:19px">-IncludePrerelease</span><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px"> on the command line or select "Include Prerelease" from the package drop-down menu (NuGet 1.7 only).</span><br style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">
<br style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px"><span style="color:rgb(37,51,64);font-family:'Segoe UI',Tahoma,Arial,Helvetica,sans-serif;font-size:13px;line-height:19px">A huge thanks to everyone who helped make this release possible; this wouldn't have been nearly as big a release without your help!</span>
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