Simon Willison’s Weblog Subscribe Sponsored by: Teleport — See what 13 engineers learned from “pressure washing” their codebase using LLMs for 90 days
17th September 2026 - Link Blog Be alert: targeted attacks on prominent Rustaceans. Important warning from Adam Harvey and the crates security team: W
17th September 2026 - Link Blog How To Write With An LLM. Thomas Ptacek on using LLMs as copyeditors, not as writing assistants: Rule Number One: You
17th September 2026 - Link Blog Self-generated prompt injections in compaction summaries. In Our framework for reporting model misalignment OpenAI pro
A IA desmascarou a histeria das mudanças climáticas#ciencia#politica#inteligencia-artificial17 de setembro de 2026 · 💬 Participe da DiscussãoSe tem p
There’s a common saying in discussion of fractals that the length of a coastline depends on how small a device you use to measure it. I thought this w
Falando um pouco sobre minhas Skills de IA#agentes-de-codigo#automacao#llms17 de setembro de 2026 · 💬 Participe da DiscussãoSe tem preguiça de ler, c
I recently bought a copy of Los Alamos Rolodex, a book displaying business cards from Los Alamos Nation Labs from 1967 to 1978. You can find some exam
I am totally blown away by the combination of Spec Kit and Copilot. It is one thing to read about SDD (Spec Driven Development) and quite another to b
TL;DR An enterprise request is not complete when compute and storage have been provisioned. Capacity, security, sovereignty, recovery, observability,
TL;DR Global Workspace Theory in AI offers a useful architectural lens: specialized components process information locally, selected information enter
A custom virtual machine for the Stars! 4X game September 17, 2026 nullprogram.com/blog/2026/09/17/ Stars! is a 1995 4X game (explore, expand, exploit
Top Links Aspire 13.5.4 (Aspire Team) Performance Improvements in .NET 11 (Stephen Toub) Intelligent Terminal 0.2.2572: Faster, Smoother, and More Rel
With our annual OS reviews out of the way, Federico and I will be covering our favorite indie apps that take advantage of Apple’s latest OS features.
Java 27 release overview: new JEPs, JVM changes, and notable updates for developers.
In-depth review of watchOS 27 covering new features, S11 chip, Apple Watch Series 12 and Ultra 4, and future updates.
A detailed review of macOS 27 Golden Gate, covering Apple silicon transition, AI features, and the Liquid Glass design refresh.
A comprehensive review of iOS and iPadOS 27, covering performance improvements, Siri AI, and new features.
Dew Drop roundup: TechBash registration, Visual Studio tips, WinUI 3, AI agents, .NET, Windows dev news, and more.
Top Links TechBash 2026 Welcomes Jeff Fritz! (TechBash Team) What’s new in Microsoft Foundry | July and August 2026 (Nick Brady) Introducing Fast and
