This week brought targeted fixes to I/O handling: S3 certificate passing to PyArrow now works correctly, and NaN values in identity-partitioned float columns are written as expected. On the performance front, Avro record buffering was optimized to use size-bounded blocks for better efficiency. The…
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Who ships this repo — author concentration and the bus factor across the last 300 mainline commits.
How welcoming this repo is to contributors — issue throughput, close time, responsiveness, and good-first-issue count.
What this project is built on — dependency count by ecosystem, the license mix, and anything worth a legal look before you adopt it.
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A floor, not a guess: counts only commits whose author, co-author trailer, or message explicitly credits an AI tool (Claude, Copilot, Cursor, aider, Codex…). Based on 30 mainline commits. Unattributed AI code isn't counted here — the full audit estimates that separately.