It’s been a while, but Core Dispatch 11 is out!

Happy Python 3.15 final day to all that celebrate! Congrats to @hugovk.dev on getting the release across the finish line! 🎉

Catch up on what’s been happening in CPython:
coredispatch.xyz/editions/11

Happy Python 3.15 final day!

May you all go forth and profile and lazy import and use frame pointers everywhere!*

*please read the What's New, release too stacked 🏎️
docs.python.org/3.15/whatsne...

ah damn, RIP Margaret Hamilton.

she took safety-critical software engineering seriously, and got people to the moon and back.

news.mit.edu/2026/margare...

I had a wonderful time yesterday at #pybay2026. So fun to see friends I hadn't in months and meet new people!

Here are the slides from the talk I gave "The Path to Introducing Rust in CPython"

emmatyping.dev/talks/pybay-...

⏳ The countdown is on: PyBay 2026 is only 2 days away!

Tickets are moving fast and you won’t want to miss the biggest Python event on the West Coast this year.
🎟️ pybay.org/get-tickets/ 🎟️

Make sure you give this post a
👍 Like this if you’re planning to attend
🔁 Repost with colleagues

#PyBay2026

I just optimized PyFloat_PackN() C functions in Python using __builtin_bswapN() to swap bytes. Problem: GCC does crash and clang miscompiles the 16-bit function which uses _Float16 on IBM s390x! GCC bug report: bugzilla.redhat.com/show_bug.cgi... clang bug report: github.com/llvm/llvm-pr...

The Call for Proposals for RustWeek 2027 is now open!

If you’d like to give a talk, go here: 2027.rustweek.org/blog/2026-10...

The CFP closes Jan 10, 2027

#rustweek2027 #rustlang

Rust 1.99.0 has been released! 🦀 🌈

This release includes extern "C" variadics (VaList), VecDeque::retain_back,
Box::{into,from}_non_null, Vec::{into,from}_parts,
std::fs::set_times, Layout::for_value_raw, and more! ✨️

Check out the blog post for all the details: blog.rust-lang.org/2026/10/01/R...

I've just published 10 blog posts detailing the #Python Language Summit 2026. The Language Summit was held in Kraków, Poland and included discussions about free-threading, #Rust, garbage collectors, and type annotations.

Please enjoy and thank you for your patience:

blog.python.org/2026/09/lang...

I'm officially lead of the rust library team! i don't have anything corny to say about it I'm just viciously proud of myself
rust-lang.org/governance/t...