[RELEASED] Python 3.5.0a4 is now available

Larry Hastings larry at hastings.org
Mon Apr 20 10:16:00 CEST 2015

On behalf of the Python development community and the Python 3.5 release 
team, I'm thrilled to announce the availability of Python 3.5.0a4.   
Python 3.5.0a4 is the fourth and alpha release of Python 3.5, which will 
be the next major release of Python. Python 3.5 is still under 
development, and is not yet complete.

This is a preview release, and its use is not recommended for production 

The next release of Python 3.5 will be 3.5.0b1, the first beta release.  
Python 3.5 will enter "feature freeze" at this time; no new features 
will be added to 3.5 after this point.  Python 3.5.0b1 is scheduled to 
be released May 22, 2015.

Three important notes for Windows users about Python 3.5.0a4:

  * If you have previously installed Python 3.5.0a1, you may need to
    manually uninstall it before installing Python 3.5.0a4 (issue23612).
  * If installing Python 3.5.0a4 as a non-privileged user, you may need
    to escalate to administrator privileges to install an update to your
    C runtime libraries.
  * There is now a third type of Windows installer for Python 3.5.  In
    addition to the conventional installer and the web-based installer,
    Python 3.5 now has an embeddable installer designed to be run as
    part of a larger application's installer for apps using or extending

You can find Python 3.5.0a4 here:


Happy hacking,

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