PyPy Status Blog

We're pleased to announce the release of PyPy3 v5.5.0. Coming four months after PyPy3.3 v5.2, it improves compatibility with Python 3.3 ...

Hi all, The first beta version of RevDB is out! Remember that RevDB is a reverse debugger for Python. The idea is that it is a debugg...

We have released a bugfix for PyPy2.7-v5.4.0, released last week, due to the following issues: Update list of contributors in documenta...

We have released PyPy2.7 v5.4, a little under two months after PyPy2.7 v5.3. This new PyPy2.7 release includes incremental improvements to ...

We are happy to announce a major JitViewer (JV) update. JV allows you to inspect RPython's internal compiler representation (the langua...

"Python 2.x versus Python 3.x": this is by now an old question. In the eyes of some people Python 2 is here to stay, and in the e...

RevPDB A "reverse debugger" is a debugger where you can go forward and backward in time. It is an uncommon feature, at least in...

We have released PyPy2.7 v5.3, about six weeks after PyPy 5.1 and a week after PyPy3.3 v5.2 alpha 1 , the first PyPy release targeting 3.3 ...

We're pleased to announce the first alpha release of PyPy3.3 v5.2. This is the first release of PyPy which targets Python 3.3 (3.3.5) c...

We have released a bugfix for PyPy 5.1, due to a regression in installing third-party packages depending on numpy (using our numpy fork a...

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...