- Added expression templates to accelerate hybrid searches and extra metrics for deletion monitoring; restricted L0 file generation to specific partitions for PartitionKey deletion.
- Fixed numerous stability issues including OOM during loading, privilege group expansion, access log retention, balancer overload, load config updates, unexpected balance tasks after QueryCoord restart, zero read count on import, and Unic...
- Improved balancer logic to avoid repeatedly overloading the same query node.