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Simon Willison's Weblog
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Latest posts
Last updated about 12 hours ago
June newsletter for sponsors has been sent
about 12 hours ago
I just sent out the second edition of my sponsors only monthly...
Using Claude Code to build a GitHub Actions workflow
about 13 hours ago
Using Claude Code to build a GitHub Actions workflow I wanted to...
microsoft/vscode-copilot-chat
about 19 hours ago
microsoft/vscode-copilot-chat As promised at Build 2025 in May, Microsoft have released the...
llvm: InstCombine: improve optimizations for ceiling division with no overflow - a PR by Alex Gaynor and Claude Code
about 24 hours ago
llvm: InstCombine: improve optimizations for ceiling division with no overflow - a...
Agentic Coding: The Future of Software Development with Agents
1 day ago
Agentic Coding: The Future of Software Development with Agents Armin Ronacher delivers...
Tip: Use keyword-only arguments in Python dataclasses
2 days ago
Tip: Use keyword-only arguments in Python dataclasses Useful tip from Christian Hammond...
How to Fix Your Context
2 days ago
How to Fix Your Context Drew Breunig has been publishing some very...
Context engineering
4 days ago
The term context engineering has recently started to gain traction as a...
Continuous AI
4 days ago
Continuous AI GitHub Next have coined the term "Continuous AI" to describe...
Project Vend: Can Claude run a small shop? (And why does that matter?)
4 days ago
Project Vend: Can Claude run a small shop? (And why does that...
Introducing Gemma 3n: The developer guide
5 days ago
Introducing Gemma 3n: The developer guide Extremely consequential new open weights model...
Geminiception
5 days ago
Yesterday Anthropic got a bunch of buzz out of their new window.claude.complete()...