- Introduces Storage Format V2 with adaptive columnar layout, delivering up to 100x faster point lookups, drastically reduced file counts, and lower memory/I/O consumption.
- Adds JSON Flat Index (beta) for automatic deep indexing of dynamic JSON schemas and new GA Streaming Node, native WAL, unified coordinators, plus INT8 vector support and 1‑bit RaBitQ quantization.
- Direct upgrade from 2.6.0 RC1 is not supported due to architectural changes; includes extensive bug fixes and performance optimizations.