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Latest posts 5

2026 Python Typing Survey Results are out now!

1,794 Python developers shared their experiences about how they use type hints, type checkers and AI tools, and the challenges they encounter along the way.

Read the findings and explore the full results:
engineering.fb.com/2026/10/27/dev…

engineering.fb.com Python Typing Survey 2026: AI Tools and the Shifting Checker Landscape The 2026 Python Typing Survey received 1,794 responses. Type hint use changed little across three years, but checker selection changed sharply. Among respondents who reported which checkers they …

Meta Open Source @MetaOpenSource Aug 6

The 2026 Python Type System & Tooling Survey is live 📝

No typing experience needed, your perspective as a Python dev matters most. Take a couple minutes to help improve Python typing for all!

👉 surveymonkey.com/r/python_typing

This survey was developed with support from the Pyrefly team at Meta, the PyCharm team at JetBrains, the Python team at Microsoft, and the typing community on discourse.python.org

Meta Open Source @MetaOpenSource Jun 30

Python is the most used programming language at Meta.

This year marks our 10th consecutive year as a sponsor of the Python Software Foundation, the organization dedicated to advancing and protecting the language and its community.

In this post, we reflect on why we invest in the PSF, and why we believe organizations that depend on Python share a responsibility to support it.

Read more: engineering.fb.com/2026/06/30/ope…

#Python #OpenSource #PSF

engineering.fb.com 10 Years of Meta’s Commitment to Python This year marks Meta’s 10th consecutive year as a sponsor of the Python Software Foundation (PSF), the charitable organization dedicated to advancing, supporting, and protecting the open-sour…

Meta Open Source @MetaOpenSource May 13

We’re thrilled to share that Pyrefly, our open source type checker and language server for Python, has officially reached v1.0!

This has been a huge team effort. Since our beta release last November, we've shipped over 60 updates, fixed hundreds of bugs, and added features the community has been asking for.

Check out our latest video and blog walking through what you can expect from the latest release:

Video: youtube.com/watch?v=_o0TZG…

Blog: pyrefly.org/blog/v1.0/

We also want say a huge thank-you to the open-source community for helping us get here. 🙏

www.youtube.com Pyrefly v1.0.0 is here! Pyrefly is a fast, open-source type checker and language server for...

Meta Open Source @MetaOpenSource Apr 9

The official Python Developers Survey is currently open 📝 🙌

Take the survey now — it takes less than 15 minutes to complete and helps the open source community understand the evolving needs of Python users.

The survey is a joint initiative developed by the Python Software Foundation and JetBrains.

Link: surveys.jetbrains.com/s3/python-deve…

surveys.jetbrains.com Python Developers Survey 2026 The official Python Developers Survey 2026. Join and contribute to the community knowledge!