Announcing ksqlDB 0.8.0 | New Features and Updates
Mar 20, 2020Victoria Xia

Summary
Introduced tunable retention and grace period for windowed aggregates in aggregation statements (e.g., WINDOW TUMBLING (SIZE 1 MINUTE, RETENTION 7 DAYS, GRACE PERIOD 10 MINUTES)). Added the LATEST_BY_OFFSET aggregation function to track the latest value of a column based on offset order. Included an early look at the new client and server API (KLIP-15). Bundled confluent-hub into ksqlDB server and CLI Docker images for easier connector installation. Added REGEXP_EXTRACT and ARRAY_LENGTH built-in functions.