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Mon Mar 5 14:27:08 CET 2012 · https://mail.python.org/pipermail/python-dev/2012-March/117352.html

On 3/5/2012 2:54 AM, Georg Brandl wrote:
> On behalf of the Python development team, I'm happy to announce the
> first alpha release of Python 3.3.0.
>
> This is a preview release, and its use is not recommended in
> production settings.
>
> Python 3.3 includes a range of improvements of the 3.x series, as well 
> as easier
> porting between 2.x and 3.x.  Major new features in the 3.3 release 
> series are:
>
> * PEP 380, Syntax for Delegating to a Subgenerator ("yield from")
> * PEP 393, Flexible String Representation (doing away with the
>   distinction between "wide" and "narrow" Unicode builds)
> * PEP 409, Suppressing Exception Context
> * PEP 3151, Reworking the OS and IO exception hierarchy
> * The new "packaging" module, building upon the "distribute" and
>   "distutils2" projects and deprecating "distutils"
> * The new "lzma" module with LZMA/XZ support
> * PEP 3155, Qualified name for classes and functions
> * PEP 414, explicit Unicode literals to help with porting
> * The new "faulthandler" module that helps diagnosing crashes
> * Wrappers for many more POSIX functions in the "os" and "signal"
>   modules, as well as other useful functions such as "sendfile()"
>
> For a more extensive list of changes in 3.3.0, see
>
>     http://docs.python.org/3.3/whatsnew/3.3.html
>
The 3.3 whatsnews page doesn't seem to mention PEP 414 or Unicode 
literals at all.

--Ned.
> To download Python 3.3.0 visit:
>
>     http://www.python.org/download/releases/3.3.0/
>
> Please consider trying Python 3.3.0a1 with your code and reporting any
> bugs you may notice to:
>
>     http://bugs.python.org/
>
>
> Enjoy!
>
> -- 
> Georg Brandl, Release Manager
> georg at python.org
> (on behalf of the entire python-dev team and 3.3's contributors)
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[Python-Dev] [RELEASED] Python 3.3.0 alpha 1