KIP-914 — DSL Processor Semantics for Versioned Stores

Accepted Kafka 3.5 Streams

Enables versioned key-value stores (KIP-889) to be used as backing stores for `KTable` in DSL stream-table joins, so out-of-order stream records are joined against the table value at the record's event timestamp rather than the latest value. Without versioned stores, stream-table joins always use the latest table value regardless of event time, producing incorrect results for late-arriving stream records.

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