PyCon US 2025 Recap
Description
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