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Updates to Message Keys in ksqlDB

Victoria Xia announces an improvement to ksqlDB:

One of the most highly requested enhancements to ksqlDB is here! Apache Kafka® messages may contain data in message keys as well as message values. Until now, ksqlDB could only read limited kinds of data from the key position. ksqlDB’s latest release—ksqlDB 0.15—adds support for many more types of data in messages keys, including message keys with multiple columns. Users of Confluent Cloud ksqlDB already have access to these new features as Confluent Cloud always runs the latest release of ksqlDB.

Read on for more information on this, as well as some of the ramifications of this change.