Apache kafka releases
| Kafka Version | Release Date | Notable Features | Comment |
|---|---|---|---|
| Kafka 0.7 | 2011-07 | – Initial Release | |
| Kafka 0.8 | 2013-11 | – Introduction of the Producer and Consumer API<br> – Replica for fault tolerance | |
| Kafka 0.9 | 2015-11 | – Security features (SSL, SASL)<br> – Improved consumer groups | apache kafka version 0.9.0.1 used |
| Kafka 0.10 | 2016-05 | – Introduction of Kafka Streams API for stream processing<br> – Rack-aware broker assignment | |
| Kafka 0.11 | 2017-06 | – Exactly-once semantics for producers and consumers<br> – Improved security features | |
| Kafka 1.0 | 2017-11 | – Improved administrative tools (config changes without broker restart)<br> – Rack awareness improvements | |
| Kafka 2.0 | 2018-06 | – Metadata improvements for better scaling<br> – Protocol improvements for client compatibility | |
| Kafka 2.1 | 2018-11 | – Incremental rebalancing for Kafka Streams<br> – Improved admin tools | |
| Kafka 2.2 | 2019-03 | – Dynamic log levels<br> – Improved disk space usage | |
| Kafka 2.3 | 2019-09 | – Raft protocol for Kafka controller<br> – Improved monitoring features | |
| Kafka 2.4 | 2019-11 | – Exactly-once semantics for Kafka Streams<br> – Confluent Metrics Reporter integration | |
| Kafka 2.5 | 2020-05 | – Improved support for Kafka Streams in interactive queries<br> – Performance improvements | |
| Kafka 2.6 | 2020-10 | – Rack-aware replica placement improvements<br> – Improved handling of broker metadata changes | |
| Kafka 2.7 | 2021-05 | – Support for Pluggable Authorizers<br> – Incremental cooperative rebalancing for consumer groups | |
| Kafka 2.8 | 2021-11 | – Flexible Quotas for better resource mana |
| Version | Release Date | Key Features |
|---|---|---|
| 3.4.2 | February 22, 2024 | Bug fixes and improvements |
| 3.4.1 | November 17, 2023 | Bug fixes and improvements |
| 3.4.0 | October 26, 2023 | Security improvements, message compaction improvements |
| 3.3.2 | August 31, 2023 | Bug fixes and improvements |
| 3.3.1 | June 22, 2023 | Bug fixes and improvements |
| 3.3.0 | May 25, 2023 | KRaft API improvements, message compaction, improvements for consumer groups |
| 3.2.1 | March 16, 2023 | Bug fixes and improvements |
| 3.2.0 | February 23, 2023 | KRaft API enhancements, performance improvements |
| 3.1.2 | December 15, 2022 | Bug fixes and improvements |
| 3.1.1 | November 17, 2022 | Bug fixes and improvements |
| 3.1.0 | October 26, 2022 | KRaft API introduction, security improvements |
| 3.0.2 | August 31, 2022 | Bug fixes and improvements |
| 3.0.1 | June 22, 2022 | Bug fixes and improvements |
| 3.0.0 | May 25, 2022 | Producer idempotence, control plane improvements, message compaction |
| 2.9.2 | March 16, 2022 | Bug fixes and improvements |
| 2.9.1 | February 23, 2022 | Bug fixes and improvements |
| 2.9.0 | December 15, 2021 | Delta storage format for compacted topics, consumer group rebalancing improvements |
| 2.8.2 | November 17, 2021 | Bug fixes and improvements |
| 2.8.1 | October 26, 2021 | Bug fixes and improvements |
| 2.8.0 | September 21, 2021 | Transactional APIs, support for multiple languages |
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