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==========
PyPy 5.7.1
==========
We have released a bugfix PyPy2.7-v5.7.1 and PyPy3.5-v5.7.1 beta (Linux 64bit),
due to the following issues:
* correctly handle an edge case in dict.pop (issue 2508_)
* fix a regression to correctly handle multiple inheritance in a C-API type
where the second base is an app-level class with a ``__new__`` function
* fix a regression to fill a C-API type's ``tp_getattr`` slot from a
``__getattr__`` method (issue 2523_)
Thanks to those who reported the issues.
.. _2508: https://bitbucket.org/pypy/pypy/issues/2508
.. _2523: https://bitbucket.org/pypy/pypy/issues/2523
What is PyPy?
=============
PyPy is a very compliant Python interpreter, almost a drop-in replacement for
CPython 2.7 and CPython 3.5. It's fast (`PyPy and CPython 2.7.x`_ performance comparison)
due to its integrated tracing JIT compiler.
We also welcome developers of other `dynamic languages`_ to see what RPython
can do for them.
The PyPy 2.7 release supports:
* **x86** machines on most common operating systems
(Linux 32/64 bits, Mac OS X 64 bits, Windows 32 bits, OpenBSD, FreeBSD)
* newer **ARM** hardware (ARMv6 or ARMv7, with VFPv3) running Linux,
* big- and little-endian variants of **PPC64** running Linux,
* **s390x** running Linux
.. _`PyPy and CPython 2.7.x`: http://speed.pypy.org
.. _`dynamic languages`: http://rpython.readthedocs.io/en/latest/examples.html
Please update, and continue to help us make PyPy better.
Cheers
The PyPy Team
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