PyBay 2025 was this past Saturday and it was so much fun 🎉 The talks were inspiring, the hallway conversations were lively, and the energy from the community was incredible. Huge thanks to everyone who helped make it such a great day including the organizers, volunteers, and sponsors ❤️

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...

“A third of the code in hypothesis is dedicated to giving people better error messages.” #pybay2025

“the goal today is for you to understand data classes, because one day you’ll outgrow them. “ - Brett Slatkin #pybay2025

🎉 PyBay is happening TODAY! 🐍 We’re so excited to welcome everyone to PyBay 2025 for a full day of inspiring talks, community connection, and Python fun right here in the Bay Area. Be sure to say hello to our organizers and volunteers! See you there. #PyBay #PythonCommunity #BayAreaPython

🚀 PyBay 2025 is tomorrow, Saturday October 18th! 🎉 We can’t wait to see everyone there for a full day of talks, hallway conversations, and Python-powered fun! 🐍 Grab your coffee, your laptop, and your curiosity. We’ll see you bright and early! ☕💻✨

Huge thanks to Black Python Devs ❤️ for being a Community Sponsor of #PyBay 2025! Their mission is to build the world’s largest community of Black Python developers, fostering mentorship, career growth, and greater representation across the global Python ecosystem.

I am honored to be a volunteer at PyBay in San Francisco on October 18. Guido van Rossum, the creator of Python, is a featured speaker. Hope to see you there. #python #pybay #pythondev

🔥 Big news for PyBay 2025 attendees! 🔥 On October 18th, Microsoft is hosting two free, hands-on workshops that is open to all ticket holders, but seats are limited and first-come, first-served. More Details in this Thread 👇 🧵

Big thanks to Microsoft 🧡 for being a Bronze Sponsor of PyBay 2025! Their support helps bring amazing sessions and connect Python developers across the community. 📍 Oct. 18, 2025 | San Francisco, CA: pybay.org 🎟️ Tickets: pretix.eu/bapya/pybay-... #PyBay #Python #PyBay2025 #Microsoft #Azure

Only 2 weeks to go until PyBay 2025! ⏳ Get ready for a full day of fantastic Python talks, hands-on workshops, and networking with the amazing Python community. 📍 Oct. 18, 2025, San Francisco, CA: pybay.org 🎟️ Tickets: pretix.eu/bapya/pybay-... 🎤 More talks: pybay.org/speaking/tal...

🚨 PyBay 2025 Ticket prices increase TODAY! 🚨 Grab your regular-priced PyBay 2025 tickets before they go up! Join the vibrant Python community, connect with fellow developers, and catch amazing talks. Details 🧵 👇

A huge thank you to NumFOCUS 🤍 for supporting PyBay 2025 as a community sponsor! Their commitment to sustaining open-source scientific computing and fostering community makes events like this possible. Thank you for helping us bring together an amazing Python community in San Francisco on Oct. 18!

🚨 PyBay 2025 Ticket prices are going up in 2 days 🚨 🎟️ Tickets: buff.ly/I8mQsHp Grab your regular-priced PyBay 2025 tickets before they increase! This is also the last opportunity to get your official conference tee-shirt 👕 Details 🧵 👇

🎉 The PyBay 2025 schedule is live! 🎉 pybay.org/speaking/sch... Plan your day and see all the amazing talks we have lined up, from machine learning and AI to infrastructure, testing, and Python tips you won’t want to miss. Don’t forget to grab your tickets before prices go up! 🎟️ Details 🧵 👇

🐍PyBay 2025 Speaker Highlight🎤 Noah Kantrowitz “The Long Hello World” Discover what happens behind the scenes when Python runs Hello World. Noah Kantrowitz explores interpreters, bytecode, memory, and syscalls to deepen your understanding and debugging skills. Details ITT 🧵 👇

🐍PyBay 2025 Speaker Highlight🎤 Tyler Suard “RAG Against the Machine: Winning the Retrieval Battle in Enterprise Python” Learn how to scale Retrieval-Augmented Generation in Python. Tyler Suard shares production lessons, common pitfalls, and practical strategies from his Fortune 500 experience. 🧵 👇

🐍PyBay 2025 Speaker Highlight🎤 Daniel Hulse “Architecting Real-World Complex Systems in Python” Learn how Python can model and simulate real-world complex systems. Daniel Hulse shares lessons from NASA projects and demonstrates best practices for reusable, hierarchical simulations. Details 🧵 👇

🐍PyBay 2025 Speaker Highlight🎤 Johannan Hjersman “Mentor Today, Lead Tomorrow. Why Interns Are Your Next Best Investment” Learn why internships are essential for teams, mentors, and the tech community. See Python examples and best practices for mentoring and growing new talent. Details ITT 🧵 👇

🐍PyBay 2025 Speaker Highlight🎤 Indrajit Rajtilak “Talk to Your Chess Games with Python + LLMs” Turn chess analysis into a conversation! Learn how python-chess, Stockfish, and LLMs can explain your games in plain language and help you improve. Details ITT 🧵 👇

Thank you to Neo4j 🩶 for being a Silver Sponsor of PyBay 2025! Their support helps make this year’s Python community gathering possible. Join us and Neo4j at PyBay 2025! 📅 Oct 18 | 🌐 pybay.org | 🎟️ pretix.eu/bapya/pybay-2025/

💛 We are proud to announce Intuit as a Gold Sponsor for PyBay 2025 💛 Thank you, Intuit, for your commitment to supporting the Python ecosystem and helping our community thrive. 👍 Like this post to show Intuit your support 🔁 Repost this message to tell your colleagues about PyBay

🚨 Prices are going Up! Don’t wait any longer for PyBay 2025 Tickets 🚨 Ticket prices for PyBay 2025 go up on October 4th! This is also your last chance to get a PyBay t-shirt with your registration. After October 4th, no shirts will be available! Ticket link ITT 🧵

🐍 PyBay 2025 Talk 🎤: Maggie Moss “Increasing Types in Large Codebases with Pyrefly and AI Tooling” Typed Python at scale: learn how Meta built Pyrefly to boost coverage, improve dev experience, and scale typing across huge codebases. 📅 Oct 18th | 🌐 pybay.org | 🎟️ pretix.eu/bapya/pybay-...

🧡 Thank you to the Python Software Foundation for being a Bronze Sponsor of PyBay 2025! 👍 Like this post to show PSF your support 🔁 Share this post to tell your colleagues about PyBay 🎟️ Tickets: pretix.eu/bapya/pybay-... #PyBay2025 #Python #ThankYouSponsors

🚨 Time to get off the fence for PyBay 2025! 🚨 Late Bird pricing for PyBay 2025 kicks in on October 4th. That means you only have a few days left to grab your ticket at the current price. Why wait? Check this Thread 🧵 to get your ticket now!

🐍PyBay 2025 Spotlight: Nikita Rokotyan “Visualizing large graphs and AI embeddings with ease” Explore Cosmograph, GPU-accelerated graph visualizations for Python. Analyze millions of points, embeddings, and networks in real time. Details 👉 🧵

🐍PyBay 2025 Speaker Highlight🎤 Aaron Wiegel “The Zen of the Bronze Layer: Ingestion of Data with Unstable Schema” Learn how to handle messy data with unstable schema. This talk covers Python structures and flexible data modeling to ingest, clean, and monitor data. Details ITT 🧵

🐍PyBay 2025 Speaker Highlight🎤 Mason Egger “Events are the Wrong Abstraction” Event-Driven Architecture can create complexity and scattered logic. Learn how Durable Execution shifts the focus, centralizes business logic, and builds reliable, scalable systems. Details ITT 🧵

🤝 A big thank you to Bloomberg, our Bronze Sponsor 🤎 for supporting PyBay 2025! Their support helps us keep tickets affordable, create a welcoming space, and make sure the event is accessible to all. Make sure you come see them at PyBay 2025, details ITT 🧵

🐍PyBay 2025 Speaker Highlight🎤 Alla Barbalat “AI, IP, and Your Code: What Developers Need to Know” Who owns AI-generated code? What risks exist around copyright and training data? Alla will unpack the legal landscape and share best practices for developers. Details ITT 🧵

🐍PyBay 2025 Speaker Highlight🎤 Brett Slatkin “Do It Yourself: Demystifying the Magic of Dataclasses” dataclasses feel like magic, but they aren’t! Learn how to build their key features yourself, when to use them, and the advanced code-gen tricks that make them work. Details ITT

🎤 Speaker Spotlight: Bernát Gábor “What's new in Python packaging?” Python is now the #1 language on GitHub. In 2024, packaging took huge steps forward to match that success. At PyBay 2025, Bernát Gábor will share the TL;DR on what is new in Python packaging, why uv is leading the way.

⏳ The countdown is on: PyBay 2025 is only 6 weeks away! Tickets are moving fast and you won’t want to miss the biggest Python event on the West Coast this year. 🎟️ pretix.eu/bapya/pybay-... 🎟️ Oct. 18, 2025, San Francisco, CA. Check out pybay.org #PyBay2025 #Python #BayArea

🎤 PyBay Speaker Spotlight: Glyph Lefkowitz What works for a large open source project may not work for a small one. With 25 years of experience, Glyph will share what you need to start a project, what to skip, and how to adapt as your audience grows. pybay.org/speaking/tal...

🎤 PyBay Speaker Spotlight: Jim Baker 🚀 Python 3.14 brings t-strings: 🔹 Stop “Bobby Tables” SQL exploits 🔹 Perfect for HTML, SQL, AI prompts, logging 🔹 Safer, structured output See live demos + syntax deep dive at #PyBay2025! 🎟 pretix.eu/bapya/pybay-...

🎤 PyBay Speaker Spotlight: Guido van Rossum Structured RAG > RAG. 🔹 Faster, smarter Q&A across text + images 🔹 Basis for long-term AI memory 🔹 New Python library coming this summer Catch the talk + demos at #PyBay2025! 🎟 pretix.eu/bapya/pybay-...

🤍 Silver Tier Sponsor Appreciation: Temporal A big thank you to our Silver Tier Sponsor! Their support helps make PyBay 2025 possible, enabling insightful sessions, engaging demos, and valuable networking for Python enthusiasts.

🤝 Networking is the unspoken way to grow your career, and PyBay 2025 is the perfect place to do it. 📅 Your next opportunity might just start at PyBay. Don’t miss it: pretix.eu/bapya/pybay-... #PyBay2025 #Python #Networking

💛 Gold Tier Sponsor Appreciation: CodeRabbit Their support helps bring the Python community together to create learning and networking opportunities at PyBay 2025. 📍 Oct. 18, 2025, San Francisco, CA: pybay.org 🎟️ Tickets: buff.ly/KulxyHx #PyBay #Python

We’re almost one month away from PyBay 2025! 🎉 Join the Bay Area Python community for talks, connections, and fresh ideas. 📅 Saturday October 18th, 2025 in San Francisco! 🎟️ pretix.eu/bapya/pybay-... 🐍https://pybay.org/ #PyBay2025 #Python

🐍PyBay 2025 Speaker Highlight🎤 Pamela Fox “Just because AI can write your tests... should it?” 📍 Oct. 18, 2025, San Francisco, CA: pybay.org 🎟️ Tickets: pretix.eu/bapya/pybay-... #PyBay #Python #PyBay2025

🐍PyBay 2025 Speaker Highlight🎤 Chris Neugebauer “Guardrails: An alternative view of safely working in Python” 📍 Catch this session at PyBay 2025 in San Francisco on October 18th, 2025 🎟️ Tickets: pretix.eu/bapya/pybay-... #PyBay #Python #PyBay2025

🐍 PyBay 2025 Spotlight: Lisa Roach “Out of the Frying Pan and Into the Fire: Converting Multiprocessed code to Free-Threading” 📍 Oct. 18th in San Francisco, CA 🎟️ Tickets: pretix.eu/bapya/pybay-...

💛 Big thanks to Meta, our Silver Tier Sponsor! PyBay 2025 wouldn’t happen without their support. 🎟️ Tickets: pretix.eu/bapya/pybay-... 🐍 Oct 18, San Francisco #Python #PyBay

🐍 PyBay 2025 is back Oct 18 in San Francisco! Great talks, great community, and plenty of Python energy. 🎟️ Tickets: pretix.eu/bapya/pybay-... 🎤 Talks: pybay.org/speaking/tal... #Python #PyBay

🐍 PyBay 2025 Spotlight: Zac Hatfield-Dodds “No, seriously, why don't we use better testing tools?” 📍 Oct. 18th — San Francisco, CA 🎟️ Tickets: pretix.eu/bapya/pybay-... #PyBay #Python

I worked with the PyBay team to add automated a11y testing using Playwright + Axe. pytest file: https://github.com/pybay/PyBay/blob/main/tests/test_server.py CI workflow: https://github.com/pybay/PyBay/blob/main/.github/workflows/e2e.yml Trickiest part was […] [Original post on fosstodon.org]

🐍 PyBay 2025 Spotlight: Munachimso (Muna) Nwaiwu “Python's Role in Resilient Network Infrastructure: From Automation to Validation” 📍 Oct. 18th; San Francisco, CA 🎟️ Tickets: pretix.eu/bapya/pybay-...

🐍 PyBay 2025 Spotlight: Munachimso (Muna) Nwaiwu “Python's Role in Resilient Network Infrastructure: From Automation to Validation” 📍 Oct. 18th; San Francisco, CA 🎟️ Tickets: pretix.eu/bapya/pybay-...