Python 3.13.5 is out - upgrade now as this has some urgent bugfixes and addresses some regressions. www.python.org/downloads/re...

Quick hack for faster json.dumps in Python: turn off circular reference checking. aivarsk.com/2025/05/30/p...

Oof "It's been a tough couple of days. Microsoft's support for the Faster CPython project was canceled yesterday, and my heart goes out to the majority of the team that was laid off. A hard day for me, but even harder for others." www.linkedin.com/posts/mdboom...

We now have an automated tracker for wheels that support free threaded Python: hugovk.github.io/free-threade...

Meta's now on the Python-tools-in-Rust train: a type checker (and IDE?!) called Pyrefly. github.com/facebook/pyr...

Oops. Turns out the performance boost from the interpreter change in 3.14 was due to a compiler bug. There's still a speedup, but not nearly as dramatic. Hey, free performance is always welcome...