Announcing ksqlDB 0.7.0 | New Features and Updates

This post announces ksqlDB 0.7.0, introducing highly available state for queries during cluster rebalances by allowing reads from standby replicas, with configurable staleness tolerance. It also adds COUNT_DISTINCT and CUBE functions, expands key types beyond strings to include INT, BIGINT, and DOUBLE, and introduces first-class constructors for native arrays, maps, and structs.