v4.0.0-beta.2

What's Changed

Bug Fixes 🐛

• perf: avoid oversized variable buffers in full-zip scan batches by @Xuanwo in #6013
• fix(python): avoid interpreter shutdown panic in BackgroundExecutor by @Xuanwo in #6023

Documentation 📚

• docs: require data_storage_version=2.2 in map type example by @Xuanwo in #6032
• docs: update file versioning matrix for 2.2 rollout by @Xuanwo in #6033
• docs: reorganize blob docs around blob v2 and clarify legacy compatibility by @Xuanwo in #6034

Performance Improvements 🚀

• perf: reduce peak memory during cosine IVF-PQ index training by @wkalt in #6016
• perf: fast rotation for RQ quantization by @BubbleCal in #6024

Full Changelog: v4.0.0-beta.1...v4.0.0-beta.2