Yes, Java 21 support started with Kafka 4.0. See KAFKA-17086 







 ---- On Mon, 27 Oct 2025 07:08:12 -0400  [email protected]  
wrote ----

Hello



Can we use Java 21 to run Apache Kafka 4.1.0 on production environment?



Thanks,



Sébastien.
  • Using java 21 Sébastien Rebecchi
    • Re: Using java 21 Yeikel Santana

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