Latest / September 21, 2026
8 posts from engineering leaders published September 21, 2026, by Simon Willison, Charity Majors, Jeff Geerling and 4 more.
Last week TypeSafe AI unveiled Jev , their first example of a new category of model that they are calling "System One models" (I'm with Maggie Appleton, I think "decision models" is a better name for these). Jev is an interesting variant on the usual LLM format: it still accepts…
Cloudflare Python Workers are now generally available After a two year preview, Cloudflare's support for running Python code in their server-side Workers platform is now stable: "Python is now a first-class, fully supported language on the Cloudflare Developer Platform". A neat…
A dialogue with Dr Cat Hicks on ethics, learning, and what we owe each other. Part one: start by listening.
Raspberry Pi added a feature in their firmware that restricts users from swapping RAM chips , sometimes even RAM chips of the same capacity from other Raspberry Pi boards. Apparently there were people buying cheap 1 or 2 gig Pi 5s, soldering in some cheap and sometimes…
🤖 This post includes some LLM-derived content 🤖 A year ago on Thursday, I logged on for my first day joining Mend to work on Renovate full-time . Similar to what I did after my first 100 days , I thought now would be a good time to recap how this last year has gone. This is…
Should you put a tourniquet in your first aid kit? Maybe, but you should know some things before you do: Training is more important than any piece of gear. Most bleeds can be stopped with direct pressure and/or proper wound packing — and both can be done with your hands and any…
Here’s some Rust code: // define a function fn foo (x : i32 , y : i32 ) -> i32 { // body elided } // call it let z = foo ( 5 , 6 ); In programming language jargon, we call x and y parameters and 5 and 6 arguments . Rust does not have many fancy features related to parameters and…
A meditation on gaming, community, and the purpose of negative space