PyPy Status Blog

We have released PyPy 5.1, about a month after PyPy 5.0. This release includes more improvement to warmup time and memory requirements,...

With the latest additions, PyPy's JIT now supports the Z architecture on Linux. The newest architecture revision (also known as s390x, o...

Hello everyone. I'm pleased to inform that we've finished another round of improvements to the warmup performance of PyPy. Before ...

PyPy 5.0.1 We have released a bugfix for PyPy 5.0, after reports that the newly released lxml 3.6.0 , which now supports PyPy 5.0 +, can...

PyPy 5.0 We have released PyPy 5.0, about three months after PyPy 4.0.1. We encourage all users of PyPy to update to this version. You ...

As you know, PyPy can emulate the CPython C API to some extent. In this post I will describe an important optimization that we merged to imp...

Introduction CFFI has been a great success so far to call C libraries in your Python programs, in a way that is both simple and that work...

The next PyPy sprint will be in Leysin, Switzerland, for the eleventh time. This is a fully public sprint: newcomers and topics other than t...

PyPy 4.0.1 We have released PyPy 4.0.1, three weeks after PyPy 4.0.0. We have fixed a few critical bugs in the JIT compiled code, rep...

PyPy 4.0.0 We’re pleased and proud to unleash PyPy 4.0.0, a major update of the PyPy python 2.7.10 compatible interpreter with a Just In ...

Hi everyone, it took some time to catch up with the JIT refacrtorings merged in this summer. But, (drums) we are happy to announce that: ...

Hi all, PyPy's JIT now supports the 64-bit PowerPC architecture! This is the third architecture supported, in addition to x86 (32 and...

Hello everyone! This is the second part of the series of improvements in warmup time and memory consumption in the PyPy JIT. This post cov...

Hello everyone! I'm very pleased to announce that we've just managed to merge the optresult branch. Under this cryptic name is th...

PyPy 2.6.1 We’re pleased to announce PyPy 2.6.1, an update to PyPy 2.6.0 released June 1. We have fixed many issues, updated stdlib to...

This gem was posted in the ijson issue tracker after some discussion on #pypy, and Dav1dde kindly allowed us to repost it here: " S...

PyPy 2.6.0 - Cameo Charm We’re pleased to announce PyPy 2.6.0, only two months after PyPy 2.5.1. We are particulary happy to update cf...