BM25

This release introduces Namespaces for enhanced control-plane and data isolation, along with significant improvements to the BM25 search algorithm for better performance. It also includes preview features for altering schema by reindexing properties and dropping vector indices.

Version 1.4.0 introduces major enhancements including group by support across clients, CMEK support, and significant architectural work on the Rust sysdb service and WAL3 abstraction layers. This release also resolves several documentation issues and a bug affecting BM25 search under multithreading.