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Software Engineering Daily

Python 3.14 with Łukasz Langa

Software Engineering Daily

Software Engineering Daily

News, Technology, Tech News

4.4662 Ratings

🗓️ 10 February 2026

⏱️ 49 minutes

🧾️ Download transcript

Summary

Python 3.14 is here and continues Python’s evolution toward greater performance, scalability, and usability. The new release formally supports free-threaded, no-GIL mode, introduces template string literals, and implements deferred evaluation of type annotations. It also includes new debugging and profiling tools, along with many other features. Łukasz Langa is the CPython Developer in Residence at

Transcript

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0:00.0

Are you passionate about software development and the tech industry? Software Engineering Daily is

0:05.2

looking for a new podcast host to grow its hosting team. In this role, you'll help shape the show's

0:10.6

editorial direction and interview engineers, founders, hackers, and tech leaders. Podcasting experience

0:17.6

is a plus, but not required. Curiosity, great communication skills, and a genuine

0:22.9

interest in the craft of building software are what matter most. If this sounds like you,

0:28.1

reach out at editor at softwareengineeringdaily.com. Python 3.14 is here and continues Python's

0:36.9

evolution towards greater performance, scalability,

0:39.7

and usability. The new release formally supports free-threaded no-gill mode, introduces template

0:46.3

string literals, and implements deferred evaluation of type annotations. It also includes

0:52.7

new debugging and profiling tools, along with many other features.

0:57.5

Lucas Langa is the C-Python developer in residence at the Python Software Foundation, and he joined

1:03.9

Sean Falconer to discuss the 3.14 release, the future of free threading, type system improvements,

1:14.1

Python's growing role in AI, and how the language continues to evolve while maintaining its commitment to backward compatibility.

1:19.5

This episode is hosted by Sean Falconer. Check the show notes for more information on Sean's work

1:24.7

and where to find him.

1:39.3

Music for more information on Sean's work and where to find him. Lucas, welcome back to the show. Happy to be here.

1:40.3

Yeah, absolutely.

1:41.3

So we spoke roughly a year ago about the Python 313 release.

1:49.0

I guess what's new in your world since we've us spoke? Well, not much change in terms of my

1:54.1

employment. A lot has changed in Python and also as a release manager of Python. just a few days back, I released the last

2:04.2

Python version of my own. I've been a release manager for Python 38, which has been end

2:10.8

of life last year, and 3.9 that has just reached end of life with the end of October. So it's a bit of a milestone, I guess.

...

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