Discovercore.pyPyCon US 2025 Recap
PyCon US 2025 Recap

PyCon US 2025 Recap

Update: 2025-06-13
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We’ve been gone a while. Here’s our excuse for being silent for a month: PyCon, PyCon, something something security. Come listen to how the conference looked like from our perspective! And whatever you do, DO NOT upgrade to Python 3.13.4.


## Timestamps


(00:00:00 ) INTRO

(00:01:06 ) PART 1: LANGUAGE SUMMIT

(00:04:47 ) A bit about the Summit talks

(00:06:19 ) Is free-threading happening?

(00:09:20 ) Łukasz and his favorite discussion item at the Summit

(00:13:38 ) Find actual competent coverage of the Summit on the PSF blog

(00:14:17 ) PART 2: PYCON TALK HIGHLIGHTS

(00:14:33 ) Cory Doctorow's opening keynote

(00:18:17 ) Brandt Bucher's talk on JIT challenges

(00:28:28 ) Lysandros and Nathan talk about community adoption of free-threading

(00:36:23 ) Lynn Root's keynote

(00:37:46 ) PyXL: Python-oriented chip

(00:39:47 ) Łukasz and his tutorial on WebGL with PyScript

(00:47:58 ) A new bet appears!

(00:48:14 ) Zoom, Enhance the Banana

(00:54:11 ) Watch out, Łukasz is talking about audio again

(01:02:42 ) Ivona and Pablo talk about remote code execution as a service

(01:05:44 ) Core Python sprints after the conference

(01:12:48 ) PART 3: PR OF THE WEEK

(01:13:00 ) tarfile security fixes

(01:19:13 ) Pablo's PR: strncmp considered harmful

(01:25:36 ) PART 4: WHAT'S GOING ON IN CPYTHON

(01:26:06 ) compression.zstd lands

(01:28:01 ) concurrent.futures → asyncio.Future transfer 4X faster

(01:29:14 ) Bugfix: PyCFuncPtr_call no longer uses locks

(01:30:13 ) Some curiosities

(01:34:14 ) OUTRO

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PyCon US 2025 Recap

PyCon US 2025 Recap

Pablo Galindo and Łukasz Langa