[Python-Dev] [RELEASE] Python 2.7.4

Benjamin Peterson benjamin at python.org
Sat Apr 6 22:04:38 CEST 2013

I'm thrilled to announce the release of Python 2.7.4.

2.7.4 is the latest maintenance release in the Python 2.7 series. It includes
hundreds of bugfixes to the core language and standard library.

Downloads are at


As always, please report bugs to


Several regressions found in the release candidate have been fixed. Many thanks
to those who tested the preview release.

There has recently been a lot of discussion about XML-based denial of service
attacks. Specifically, certain XML files can cause XML parsers, including ones
in the Python stdlib, to consume gigabytes of RAM and swamp the CPU. 2.7.4 does
not include any changes in Python XML code to address these issues. Interested
parties should examine the defusedxml package on PyPI:

This is a production release.

Best wishes,
Benjamin Peterson
2.7 Release Manager
(on behalf of all of Python 2.7's contributors)

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