Open Lakehouse Format for Multimodal AI. Convert from Parquet in 2 lines of code for 100x faster random access, vector index, and data versioning. Compatible with Pandas, DuckDB, Polars, Pyarrow, and PyTorch with more integrations coming..
Lance shipped Java support for opening datasets at specific branches or tags, alongside a batch of memory and performance improvements across the core engine. The week focused on stability: fixes to index ranking, dictionary equality, schema evolution handling, and concurrent execution isolation,…
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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.
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fix(index): remap every segment of a tagged index instead of only the first (#9728)
fix(merge_insert): rewrite rows for partial blob sources on indexed joins (#9742)
fix(index): admit MemWAL state updates on tables with a tagged fragment reuse history (#9729)
fix(index): check rewrite groups one by one and decode the FRI ledger only when needed (#9731)
fix(cleanup): tolerate missing objects without error logs (#9709)
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.
