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Simon Willison released sqlite-utils 4.0rc2, with 90% of the code written by Anthropic's Claude Fable for $149.25, which caught critical transaction bugs that could lead to silent data loss.

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sqlite-utils 4.0rc2: Claude Fable Writes 90% of Code for $149, Catches Critical Bugs

Release Summary

FAQ

What is sqlite-utils?

A Python library for easily managing SQLite databases, providing APIs for inserting, updating, and transforming data.

What are the main changes in version 4.0rc2?

Fixes critical transaction bugs, improves automatic commit for writes, and adds comprehensive transaction documentation.

How did Claude Fable contribute to this release?

The assistant wrote 90% of the code, discovered critical bugs, and executed 37 prompts and 34 commits across 30 files for $149.25.

Should MENA teams adopt sqlite-utils 4.0rc2 now?

Yes, if you use SQLite in Python projects, the new release offers significant transaction stability improvements, but testing on a limited scale is recommended first.

Source: Simon Willison (LLM & tools)

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