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|
=======================================
PyPy 2.2.1 - Incrementalism.1
=======================================
We're pleased to announce PyPy 2.2.1, which targets version 2.7.3 of the Python
language. This is a bugfix release over 2.2.
You can download the PyPy 2.2.1 release here:
https://pypy.org/download.html
What is PyPy?
=============
PyPy is a very compliant Python interpreter, almost a drop-in replacement for
CPython 2.7. It's fast (`pypy 2.2 and cpython 2.7.2`_ performance comparison)
due to its integrated tracing JIT compiler.
This release supports x86 machines running Linux 32/64, Mac OS X 64, Windows
32, or ARM (ARMv6 or ARMv7, with VFPv3).
Work on the native Windows 64 is still stalling, we would welcome a volunteer
to handle that.
.. _`pypy 2.2 and cpython 2.7.2`: https://speed.pypy.org
Highlights
==========
This is a bugfix release. The most important bugs fixed are:
* an issue in sockets' reference counting emulation, showing up
notably when using the ssl module and calling ``makefile()``.
* Tkinter support on Windows.
* If sys.maxunicode==65535 (on Windows and maybe OS/X), the json
decoder incorrectly decoded surrogate pairs.
* some FreeBSD fixes.
Note that CFFI 0.8.1 was released. Both versions 0.8 and 0.8.1 are
compatible with both PyPy 2.2 and 2.2.1.
Cheers,
Armin Rigo & everybody
|
