[IronPython] Announcing IronPython 2.6.1 RC1
Jimmy.Schementi at microsoft.com
Wed Feb 10 17:29:09 PST 2010
Done =) It's only added to the announcements section ... the download links will be updated when the final 2.6.1 is released.
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Michael Foord
Sent: Wednesday, February 10, 2010 2:31 PM
To: Discussion of IronPython
Subject: Re: [IronPython] Announcing IronPython 2.6.1 RC1
Congratulations and thanks and make sure Jimmy updates IronPython.net with the new announcement. :-)
On 10/02/2010 21:55, David DiCato wrote:
Hello Python Community,
We're pleased to announce the release of IronPython 2.6.1 RC1. This version of IronPython makes great strides in stability and compatibility, including a considerable number of targeted bugfixes. Because this is our largest servicing release to date, and due to our decision against incrementing the assembly version numbers, it is important that we get everything right. To this end, we present our first-ever RC for a minor dot release. Of course, your feedback is imperative to the quality of this release, so we'd love to hear from you!
IronPython 2.6.1 comes in two flavors - one that runs on top of .NET 4.0 RC, and one that runs on any other framework starting with .NET 2.0 SP1. They can be downloaded here:
IronPython 2.6.1 RC1 for .NET 2.0 SP1: http://ironpython.codeplex.com/Release/ProjectReleases.aspx?ReleaseId=40144
IronPython 2.6.1 RC1 for .NET 4.0 RC: http://ironpython.codeplex.com/Release/ProjectReleases.aspx?ReleaseId=40146
Note: The .NET Framework 4.0 RC is required for the latter release and can be downloaded at http://www.microsoft.com/downloads/details.aspx?FamilyID=a9ef9a95-58d2-4e51-a4b7-bea3cc6962cb&displaylang=en
IronPython 2.6.1 RC1 includes fixes for well over 50 bugs, large and small. Ctypes has had a number of significant updates, including union support, variant_bool, and wintypes. Another focus has been on sys.settrace, making debugging more reliable. For example, sys.settrace now returns the correct frame, supports tracing through modules, and no longer interferes with "import os". Other notable fixes include thread-safe importing, and the missing error code in _winreg exception.
In addition, we've made a substantial improvement in import time. Not only does this reduce startup time, but can speed up the importing of large, definition-heavy modules by up to 50%.
As you might imagine, the .NET 4.0 flavor of IronPython 2.6.1 RC1 has a few of its own changes designed for better interoperability with the framework. These include fixing some errors with Func<> and better runtime isolation when similarly-named assemblies in different locations are loaded in multiple engines. In addition, both the .NET 2.0 and .NET 4.0 builds support the new .NET 4.0 IStructuralEquatable and IStructuralComparable interfaces and maps them to the appropriate operations (__eq__, __hash__, __gt__, etc.). In the case of .NET 4.0, this replaces IValueEquality as the gold standard for defining equality in an interop-friendly manner. In the .NET 2.0 build, these interfaces are copied so that their use can be phased in while retaining IValueEquality for backwards compatibility.
Special thanks to Albert Szilvasy, cendalc, clovery, egonw_, essey, fabiofz, igalse, jazzcat, jlunder, laughingboy, marten_range, László de Almásy, lbaker, Lukas Cenovsky, pl6306, roinet, sanxiyn, Thomas Heller, vernondcole, and Wolfram for reporting issues. Happy Scripting!
- The IronPython Team
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