sqlite-utils 4.0rc2: An open-source maintainer's experience using Claude AI to ship a major release
By
Simon Willison
Summary
Simon Willison describes the development process for sqlite-utils 4.0rc2, a major version release of his open-source Python library for SQLite databases. The release candidate was largely written by Claude Fable (Anthropic's AI model) for approximately $149.25 in API costs. Willison details how he used Claude Code to conduct a final review, identify potential breaking changes, fix bugs, improve documentation, and prepare for a stable 4.0 release. The piece reflects on the productivity gains and cost-effectiveness of using AI coding assistants for open-source maintenance work.
Source
Hacker Newssqlite-utils 4.0rc2: An open-source maintainer's experience using Claude AI to ship a major releasesimonwillison.netKey quotes
· 3 pulled"I decided to see if it could help me get to a 4.0 stable release that I felt truly comfortable about, since I try to keep to SemVer and like my incompatible major versions to be as rare as possible."
"Here's that initial prompt..."
"Since we only have Claude Fable on our Max subscriptions for a few more days..."
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