- Fixed numerous bugs affecting filters, concurrency, config updates, data loss, text match queries, sparse vector retrieval, column races, and bulk inserts with nullable/default fields.
- Added a resource group API to the RESTful interface, introduced a Go package for protobuf management, updated Etcd to v3.5.16, and added missing delete metrics.
- Improved retrieve performance with bitset SIMD optimizations and used MVCC timestamps as guarantee timestamps when specified.