v5.0.0-beta.3

What's Changed

Breaking Changes 🛠

• refactor!: cleanup namespace related APIs by @jackye1995 in #6186
• refactor!: align distributed index build around segments by @Xuanwo in #6313

New Features 🎉

• feat: io_uring based file reader by @westonpace in #5777
• feat: add an arrow-stats crate with the ability to calculate basic stats on arrays by @westonpace in #5967
• feat: change default file format version to 2.1 by @westonpace in #6115
• feat: expose stable row ids by @ivscheianu in #6325
• feat: make MAX_MINIBLOCK_VALUES configurable via env var by @westonpace in #6340
• feat: support bf16 from pytorch dataset by @eddyxu in #6342
• feat: support DataFusion Expr in DeleteBuilder by @wjones127 in #6343
• feat: support distributed IVF_RQ segment builds by @Xuanwo in #6359
• feat: expose branch_identifier in python and java bindings by @majin1102 in #6360
• feat: object store decides scheduler type by @westonpace in #6373

Bug Fixes 🐛

• fix(python): preserve index details in python index metadata by @Xuanwo in #6279
• fix: use StorageOptions::new() in cloud providers to pick up env vars by @westonpace in #6316
• refactor: remove row-id ordering from vector index merge by @Xuanwo in #6332
• fix: avoid full scan for nullable vector fragment sampling by @Xuanwo in #6341
• fix: respect fragment filters during distributed worker training by @Xuanwo in #6358

Documentation 📚

• docs: clarify helper function guidance in AGENTS.md by @Xuanwo in #6357

Performance Improvements 🚀

• perf: remove O(n²) performance regression in take() with duplicate indices by @YSBF in #6351
• perf: reduce bitmap index build to 1 bitmap in RAM by @wkalt in #6371

Full Changelog: v5.0.0-beta.2...v5.0.0-beta.3