Latest / July 25, 2026
6 posts from engineering leaders published July 25, 2026, by Simon Willison, Daniel Stenberg, Salvatore Sanfilippo and 2 more.
Ruff v0.16.0 Astral shipped a significant new version of their Ruff Python linting tool a few days ago on July 23rd. I noticed today because my various CI jobs all started failing thanks to new default Ruff checks and my unpinned "ruff" dev dependency. From Brent Westbrook's…
It takes a village to make curl. A rather big village. I have not been a solo maintainer of curl for a long time and I don’t even do half of the commits anymore Since today, the curl git repository holds the accumulated efforts from 1,500 separate and named individuals. Only 4.5…
(This blog post was adapted from the transcription obtained from my YouTube video at https://www.youtube.com/watch?v=l6lxgYeVZqs) When Linus Torvalds developed the first Linux kernel, he had studied the Minix sources, he had studied computer architecture, he had the base…
Short correction note for the random seed in Listing 6.5 on page 198 of Build a Reasoning Model From Scratch.
More than any of these eval scores, what is most exciting to me is something else: Opus 5 is our least prompt injectable model yet. It is a bit buried in the system card, but across PI evals and red teaming, Opus 5 is very hard to prompt inject successfully. — Boris Cherny ,…
Software architects have a weird role: Think about the code _tomorrow_. Today's code is what it is, how do we make it good tomorrow? Without slowing down, losing business, or falling off a cliff.