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- There have been several improvements to the Kafka Connect REST API.
- Kafka Connect now supports incremental cooperative rebalancing.
- Kafka Streams now supports an in-memory session store and window store.
- The AdminClient now allows users to determine what operations they are authorized to perform on topics.
- There is a new broker start time metric.
- JMXTool can now connect to secured RMI ports.
- An incremental AlterConfigs API has been added. The old AlterConfigs API has been deprecated.
- Support non-key joining in KTable
- We now track partitions which are under their min ISR count.
- Consumers can now opt-out of automatic topic creation, even when it is enabled on the broker.
- Kafka components can now use external configuration stores (KIP-421)
- Improved replica fetcher behavior when errors are encountered
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- Write more unit/integration/system tests. We want to preserve the tradition of high-quality releases in Apache Kafka.
- Improve documentation
- Test the release candidates
- Open blocker JIRAs on critical issues found. Open non-blocker JIRAs on any other issues found.
- Fix critical bugs
- Review bug fixes
- Vote on RCs. Even though only PMC votes are binding, community votes are super important as we evaluate the readiness of the release
Open Issues
Jira |
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server | ASF JIRA |
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columns | key,summary,type,created,updated,due,assignee,reporter,priority,status,resolution |
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maximumIssues | 20 |
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jqlQuery | project = KAFKA AND fixVersion = 2.3.0 AND status not in (resolved, closed) ORDER BY priority DESC, status DESC, updated DESC |
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serverId | 5aa69414-a9e9-3523-82ec-879b028fb15b |
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Also feel free to refer to this release page for more details of the included tickets.
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See Kafka Improvement Proposals for the full list of KIPs.