v0.30.1-beta.2

hexgrad/kokorov0.30.1-beta.2Jun 4, 2026by github-actions[bot]

AI Summary

Adds support for Datafusion expressions in merge insert predicates and fixes bugs in rerankers and pandas blob query handling.

Key Highlights

Support for Datafusion expressions in merge insert predicates
Bug fixes for rerankers (MRR and RRFReranker) to handle empty vector results
Pandas blob query routing improvements

New Features

Support for Datafusion expressions in merge insert predicates

Full Release Notes

## 🎉 New Features

- feat(rust): support datafusion expressions for merge insert predicates by @Ar-maan05 in https://github.com/lancedb/lancedb/pull/3444

## 🐛 Bug Fixes

- fix(rerankers/mrr): raise ValueError on empty vector_results list by @devteamaegis in https://github.com/lancedb/lancedb/pull/3469
- fix(rerankers): guard against empty vector_results in RRFReranker.rerank_multivector by @devteamaegis in https://github.com/lancedb/lancedb/pull/3467
- fix(python): route blob query pandas through scanner by @BubbleCal in https://github.com/lancedb/lancedb/pull/3491

## 📚 Documentation

- docs: add cross-SDK parity guidance for code review by @brendanclement in https://github.com/lancedb/lancedb/pull/3464

## 🔧 Build and CI

- ci: update python lockfile weekly by @wjones127 in https://github.com/lancedb/lancedb/pull/3498