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PyPy3 2.1 beta 1

We're pleased to announce the first beta of the upcoming 2.1 release of
PyPy3. This is the first release of PyPy which targets Python 3 (3.2.3)

We would like to thank all of the people who donated to the py3k proposal
for supporting the work that went into this and future releases.

You can download the PyPy3 2.1 beta 1 release here:


  • The first release of PyPy3: support for Python 3, targetting CPython 3.2.3!
    • There are some known issues including performance regressions (issues
      #1540 & #1541) slated to be resolved before the final release.

What is PyPy?

PyPy is a very compliant Python interpreter, almost a drop-in replacement for
CPython 2.7.3 or 3.2.3. It's fast due to its integrated tracing JIT compiler.

This release supports x86 machines running Linux 32/64, Mac OS X 64 or Windows
32. Also this release supports ARM machines running Linux 32bit - anything with
ARMv6 (like the Raspberry Pi) or ARMv7 (like Beagleboard,
Chromebook, Cubieboard, etc.) that supports VFPv3 should work.

Windows 64 work is still stalling and we would welcome a volunteer to handle

How to use PyPy?

We suggest using PyPy from a virtualenv. Once you have a virtualenv
installed, you can follow instructions from pypy documentation on how
to proceed. This document also covers other installation schemes.

the PyPy team


Arne Babenhauserheide wrote on 2013-07-31 08:47:

This is *really* cool!

Thank you for realizing pypy for python3! This should make it much easier to continue work on one of my projects (it was on hold, because pypy made it much faster, but I had to convert from python3 to python2 for running it, and that became a maintenance nightmare.

Anonymous wrote on 2013-08-02 11:30:

So how does one build PyPy3? It doesn't seem to be documented anywhere.

Anonymous wrote on 2013-08-02 12:02:

Sorry never mind. I thought it was being developed in the same codebase, but now I realize there's a separate branch for PyPy3 that must be used to build the Python3 version.