Diego Russo
@diegor.it
Python Core Developer 🐍 Principal Software Engineer @developer.arm.com Posts are my own. He/him/his. 🇬🇧 More active on http://linkedIn.com/in/diegor
💛 Four days, hundreds of people, countless memories. PyCon Italia 2026 may be over, but we can still relive it all through our official photos. ▶️ Watch the video. 📸 Flickr albums are in the comments👇 #PyConIT #PyConItalia #PyConIt26 #PythonCommunity
PyCon Italia 2026 | Official Photo Recap 📸
YouTube video by Python Italia
youtu.be
¡Es un honor para mí dar una keynote en PyCon España! Muchas gracias a la organización por la invitación. Tengo muchas ganas de compartir este espacio con la comunidad Python en España y de vernos allí. Ahora sólo me falta aprender catalán antes de subir al escenario😅
PyConES@es.pycon.org · 2mo agoMañana salen las entradas para la #PyConES2026, y para ir creando expectación hoy traemos una sorpresa 🎉 ¡Anunciamos nuestro primer keynote speaker, @diegor.it! 🐍 ¿Quieres saber más sobre él? ¡Visita nuestra web! 🔗 https://2026.es.pycon.org/es/ #Keynote #CPython #Python
I look forward to presenting with Gleb (khmyznikov.com) from @microsoft.com about the progress made on the Python ecosystem on Windows on Arm @developer.arm.com
EuroPython 2026, Kraków@europython.eu · 2mo agoJoin Diego Russo (@diegor.it) at EuroPython for "Python on Windows on Arm: Ecosystem Enablement Update" ep2026.europython.eu/session/pyth...
The Steering Council has asked for a proper PEP for the CPython JIT. I’m happy to help coordinate that work. If you want to contribute as author, reviewer, or with any related input, please get in touch. discuss.python.org/t/an-announc...
An announcement from the Steering Council regarding the JIT project
We would like to take a moment to talk about the experimental just-in-time compiler in CPython, and the path we think it should take from here. Over the past several years, several core developers an...
discuss.python.org
I really look forward to delivering these two talks at EuroPython! Don’t miss them!
In 2010, I attended my first Python conference: PyCon Italia Quattro. Last week, I returned to @pyconit.bsky.social to give my first keynote. A real full-circle moment. I shared some reflections (and the slides) on LinkedIn: www.linkedin.com/feed/update/...
#python #cpython #pyconitalia | 🐍 Diego R.
🎤 This past week, I had the honour of giving my first keynote at PyCon Italia What made it particularly special is that PyCon Italia was also the first Python conference I ever attended, back in 2010...
linkedin.com
🇬🇧🛫🛬🇮🇹 Travelling to @pyconit.bsky.social Don't miss my keynote Friday morning about the evolution of performance in CPython. 2026.pycon.it/en/keynotes/... #PyConIT
From “Fast Enough” to “Fast by Design”: The Evolution of CPython Performance | PyCon Italia
Keynote by Diego Russo
2026.pycon.it
Samuel Colvin's talk is now a keynote at #PyConIT2026! 🎙️ Creator of Pydantic, 500M+ monthly downloads "Durable Agents: Long-Running AI Workflows in a Flakey World" AI demos ≠ AI products. 🎟️ pycon.it/tickets #PyConIT #Python
New machine on doesjitgobrrr.com today! We've now got a Linux aarch64 runner thanks to @diegor.it 🎉
does JIT go brrr? | Python JIT Performance Tracker
Track Python's experimental JIT compiler performance vs the standard interpreter over time. Daily benchmarks across multiple machines using pyperformance.
doesjitgobrrr.com
🎙️ Merve Noyan is keynoting #PyConIT2026! Open-source team at @HuggingFace, author of Vision Language Models (O'Reilly) "Open-source Multimodal AI": tools, state of the art, and how to get started. 🎟️ pycon.it/tickets #PyConIT #Python #AI
My talk has been accepted for #EuroPython 2026: “Update on the CPython JIT: What to expect in 3.15” Very happy to see this was the most voted talk in the community voting! 😎 See you in Kraków at @europython.eu
An excellent update about the CPython JIT from Ken Jin: fidget-spinner.github.io/posts/jit-on... The CPython JIT is going brrr!
Python 3.15’s JIT is now back on track
Python 3.15’s JIT is now back on track
fidget-spinner.github.io
🎙️ @bajoranengineer.bsky.social is keynoting #PyConIT2026! Former PSF Board Chair, Director of DevRel at Anaconda. "Stop Being a Generalist: The Small Model Revolution": depth over breadth, in careers and in AI. ⚠️ Prices will rise on March 27th AoE! 🎟️ pycon.it/tickets #PyConIT
Big news! 🎉 I am keynoting at @pyconit.bsky.social PyCon Italia was the first Python conference I ever attended back in 2010. It is where my PyCon journey began. Being back now as a keynote speaker feels special, like closing a circle. See you all in Bologna! 🇮🇹 #PyConIT #PyConItalia
PyCon Italia@pyconit.bsky.social · 5mo agoBig news! 🎉 @diegor.it is keynoting #PyConIT26! His talk: "From 'Fast Enough' to 'Fast by Design': The Evolution of CPython Performance" The story of how Python stopped apologising for being slow. 🐍⚡ 🎟️ Get your ticket at pycon.it/tickets #PyConIT #PyConItalia
Big news! 🎉 @diegor.it is keynoting #PyConIT26! His talk: "From 'Fast Enough' to 'Fast by Design': The Evolution of CPython Performance" The story of how Python stopped apologising for being slow. 🐍⚡ 🎟️ Get your ticket at pycon.it/tickets #PyConIT #PyConItalia
🎉 Our first #PyConIT26 keynote speaker is here! 🗣️ Sarah Boyce, Django Fellow, will take on the myths around Django and reveal what the framework really looks like today. 🎟️ Sounds unmissable? Get your ticket: 🔗 pycon.it/tickets #PyConIT #PyConItalia #Python #Django #PythonCommunity #OpenSource
We need your help to advance the Python ecosystem on Windows on Arm! Feel free to drop me a message if you want to know more.
Arm Software Developers@developer.arm.com · 6mo agoThe Python Package Porting Challenge is live! Help close gaps in the Windows on Arm Python ecosystem by enabling win_arm64 wheels, fixing portability issues, and upstreaming improvements. Goal: move at least 5 packages from amber to green Explore the challenge ↓ shorturl.at/FjWGY
Voy a salir en directo en aproximadamente una hora. Sigue la transmisión aquí: www.youtube.com/watch?v=PbLS...
Dentro del corazón de Python: el rol de los Core Developers
YouTube video by PythonSDQ
youtube.com
Diego Russo@diegor.it · 7mo agoEl 27 de enero voy a dar una charla remota para la comunidad de Python de Santo Domingo y Sudamérica. Será muy especial para mí, porque es mi primera charla en Español! Hablaremos de CPython por dentro. Registrate aquí: www.meetup.com/pythonsdq/ev...
El 27 de enero voy a dar una charla remota para la comunidad de Python de Santo Domingo y Sudamérica. Será muy especial para mí, porque es mi primera charla en Español! Hablaremos de CPython por dentro. Registrate aquí: www.meetup.com/pythonsdq/ev...
Dentro del corazón de Python: el rol de los Core Developers, Tue, Jan 27, 2026, 6:30 PM | Meetup
Python lo usamos todos los días, pero muy poca gente sabe cómo se desarrolla realmente. En esta charla vamos a mirar CPython por dentro: las personas que lo mantienen, los
meetup.com
Check out the full discussion with with @lukasz.langa.pl and @durbin.ee here: www.arm.com/company/succ...
Python Software Foundation: Scaled with AWS Graviton, GitHub and Arm
Discover how the Python Software Foundation scaled sustainably with AWS Graviton and GitHub ARM64 runners, cutting costs and boosting developer productivity.
arm.com
Arm Software Developers@developer.arm.com · 8mo agoPerformance. Scale. Efficiency. By migrating to Arm-based AWS Graviton processors and adopting GitHub’s native Arm64 runners PSF is building a stronger, greener, and more cost effective foundation for the global Python developer community built on Arm.⚡️ newsroom.arm.com/blog/how-the...
Now that @europython.eu talks are live, I want to plug some of the very cool things™ my friends presented: - @diegor.it's talk on the JIT: www.youtube.com/watch?v=5si4... - @maureira.dev's talk on what comes after Rust in the Python ecosystem: www.youtube.com/watch?v=yJPX... (🧵 Cont'd below!)
Exploring the CPython JIT — Diego Russo
YouTube video by EuroPython Conference
youtube.com
Wooo, unanimous acceptance of 810! Python is getting lazy imports! So excited about this! discuss.python.org/t/pep-810-ex...
PEP 810: Explicit lazy imports
Dear PEP 810 authors. The Steering Council is happy to unanimously[1] accept “PEP 810, Explicit lazy imports”. Congratulations! We appreciate the way you were able to build on and improve the previ...
discuss.python.org
Check out this post by @diegor.it about the latest CPython sprint! We send a special thanks to Arm for hosting the event and investing in the future of #Python 💛🐍💙 pyfound.blogspot.com/2025/10/cpyt...
CPython Core Dev Sprint 2025 at Arm Cambridge: The biggest one yet
pyfound.blogspot.com
14 years at @developer.arm.com, reflecting on wins, doubts, pivots, and the role of Python 🐍 has played. I just shared a longer version on LinkedIn: how I went from Italy🇮🇹 → UK 🇬🇧, leaned into Python, built community & kept pushing. Read it here: www.linkedin.com/feed/update/...
Fourteen years ago I walked into Arm, leaving Italy 🇮🇹 behind with curiosity and a hunger to learn. 😊 Today I pause to look back at wins, doubts, and how every twist shaped me. In Italy I worked… | 🐍...
Fourteen years ago I walked into Arm, leaving Italy 🇮🇹 behind with curiosity and a hunger to learn. 😊 Today I pause to look back at wins, doubts, and how every twist shaped me. In Italy I worked on e...
linkedin.com
Thank you, @developer.arm.com, for investing in the future of #Python and the PSF by hosting this year’s CPython sprint– we appreciate your support!
Arm Software Developers@developer.arm.com · 10mo ago🐍 CPython Core Dev Sprint 2025 wrap: ~50 core devs (yes, Guido too) and invited guests hacking in Cambridge. JIT, free-threading, C-API, endless side discussions. It's safe to say the best ideas start over coffee and a whiteboard with @python.org: community.arm.com/arm-communit...
🐍 CPython Core Dev Sprint 2025 wrap: ~50 core devs (yes, Guido too) and invited guests hacking in Cambridge. JIT, free-threading, C-API, endless side discussions. It's safe to say the best ideas start over coffee and a whiteboard with @python.org: community.arm.com/arm-communit...
Last month the CPython Core Dev Sprint 2025 took place at Arm (@developer.arm.com) Cambridge. 🔧 I’ve just published a full write-up on what happened, what went into organising it, and what it means for Arm & the Python community. 👉 Read it here: community.arm.com/arm-communit...
CPython Core Dev Sprint 2025 event
For one week, Arm’s Cambridge HQ became the heart of Python development. Contributors globally came together for the CPython Core Developer Sprint.
community.arm.com
