v9.0.0-beta.1

What's Changed

New Features 🎉

• feat: support COUNT(*) pushdown on stable row id datasets by @wkalt in #7360
• feat: support hamming clustering by @brendanclement in #7379

Bug Fixes 🐛

• fix: route JSON index queries to the correct sub-parser by path by @ztorchan in #7072
• fix: evaluate all list-element docs in FTS prefilter walk-the-allowlist branch by @Ar-maan05 in #7246
• fix: apply per-segment filters and frag-reuse remap in BTree segment merge by @zhangyue19921010 in #7320
• fix(ci): replace deprecated array.shape assignment for NumPy 2.5 by @zhangyue19921010 in #7384
• fix(fts): enforce required terms for and queries by @BubbleCal in #7385

Performance Improvements 🚀

• perf(knn): reduce memory for batch flat vector search by @LeoReeYang in #6950
• perf: speed up ICU FTS index builds by 11% by @Xuanwo in #7393

Other Changes

• refactor(index): rely on total ordering for nan zonemap max by @HaochengLIU in #7049
• refactor: remove as_vector_index from the Index trait by @westonpace in #7392

Full Changelog: release-root/9.0.0-beta.N...v9.0.0-beta.1