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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 release candidates. Even though only PMC votes are binding, community votes are super important as we evaluate the readiness of the release.
- Ensure that release candidates include artifacts for the new Connect test-plugins module (see
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| server | ASF JIRA |
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| serverId | 5aa69414-a9e9-3523-82ec-879b028fb15b |
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| key | KAFKA-15249 |
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)
Open Issues
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Note: The planned content is not binding - final content will be based the features committed by branch-cutting date. See Kafka Improvement Proposals for the full list of KIPs.
KIP Accepted InProgress | KIP-580: Exponential Backoff for Kafka Clients9800clients | KIP Accepted Implementation in progress | KIP-726: Make the "cooperative-sticky, range" as the default assignor12473clients | KIP Accepted770: Replace "buffered.records.per.partition" with "input.buffer.max.bytes"13152streamsKIP Accepted793: Allow sink connectors to be used with topic-mutating SMTs13431connect797: Accept duplicate listener on port for IPv4/IPv613299KIP Accepted813: Shareable State Stores10892 | streams | KIP Accepted Implementation seems to be completed but yet to be confirmed by author. |
KIP- |
821: Connect Transforms support for nested structures13656connect | | streams | Partially implemented in 3.6 |
KIP Accepted852: Optimize calculation of size for log in remote tier| 937: Improve Message Timestamp Validation | | Jira |
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14038KIP Accepted
Implementation under review868 Metadata Transactions14305Implementation under reviewMajority is completed. Remaining to be done in 3.7.0 |
KIP- |
875: First-class offsets support in Kafka Connect4107connectIn prior releases: connector STOPPED state, offsets read API
In this release: Offsets alter and reset APIs
KIP-898: Modernize Connect plugin discovery | | Jira |
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| server | ASF JIRA |
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| serverId | 5aa69414-a9e9-3523-82ec-879b028fb15b |
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| key | KAFKA- |
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14627connect |
Postponed to subsequent release
KIP Accepted902: Upgrade Zookeeper to 3.8.114661core| clients | KIP Accepted Implementation |
under review917: Additional custom metadata for remote log segment15107coreInProgressImplementation in progress, not yet reviewed. |
| KIP- |
919: Allow AdminClient to Talk Directly with the KRaft Controller Quorum and add Controller Registration15230core| streams | KIP Accepted Implementation not yet completed. |
| KIP- |
925: Rack aware task assignment in Kafka Streams15022streams| connect | KIP Accepted Implementation in progress |
| KIP- |
937: Improve Message Timestamp Validation| 852: Optimize calculation of size for log in remote tier | | Jira |
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14991Implementation in progress938: Add more metrics for measuring KRaft performance15183Implementation in progress863: Reduce CompletedFetch#parseRecord() memory copy14944clients | Completed| streams | Partially implemented in 3.6 |
| KIP- |
872 Serializer#serializeToByteBuffer() to reduce memory copying14945clients| core | KIP Accepted Majority is completed. Remaining to be done in 3.7.0 |
KIP- |
930: Rename ambiguous Tiered Storage Metrics15245coreImplementation Draft Ready959 BooleanConverter to Kafka ConnectcolumnIdsissuekey,summary,issuetype,created,updated,duedate,assignee,reporter,priority,status,resolution | | columns | key,summary,type,created,updated,due,assignee,reporter,priority,status,resolution |
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15248connect | Vote in Progress Implementation under review | Postponed to subsequent release
| mirrormaker | KIP Accepted Not yet completed for 3.6.0. |
KIP | JIRA