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Release Dates

(all are in 2023)

  • KIP Freeze: 22nd November (Wednesday)
    • A KIP must be accepted by this date in order to be considered for this release. Note, any KIP that may not be implemented in a week, or that might destabilize the release, should be deferred.
  • Feature Freeze: 6th December (Wednesday)
    • major features merged & working on stabilisation, minor features have PR, release branch cut; anything not in this state will be automatically moved to the next release in JIRA
  • Code Freeze: 20th December (Wednesday)
  • At least two weeks of stabilization will follow Code Freeze, meaning we expect to release no earlier than January 3rd. We will move as fast as we can, and aim completion the earliest we can in January.


These dates are goals and subject to change, but we expect to stay on the Time Based Release Plan unless unexpected critical issues come up. While the earliest possible release date is 2w after code freeze, release candidates (RCs) will roll out as needed until the release vote passes.

The release manager is Stanislav Kozlovski 

How to Contribute

Before code freeze:

  • Participate in votes and discussions to land or postpone the open KIPs.
  • Review patches. We anticipate that this release, as it usually happens, will be bottlenecked mostly on reviews. The more reviewers, the more content we can fit in.
  • Write unit/integration/system tests. We want to preserve the tradition of high-quality releases in Apache Kafka. 

After code freeze:

  • 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.

Open Issues

key summary type created updated due assignee reporter priority status resolution

JQL and issue key arguments for this macro require at least one Jira application link to be configured


Also, feel free to refer to the 3.7.0 release page for more details of the included tickets (requires logging in to the Apache Kafka Jira project).

Planned KIP Content

Note: The planned content is not binding - the final content will be based on the features committed by the branch-cutting date.

See Kafka Improvement Proposals for the full list of KIPs.

If you do not see your KIP here and want to, please reply to the mailing list thread about the release!

KIPJIRAComponentStatus
KIP-960: Single-key single-timestamp IQv2 for state stores

Unable to render Jira issues macro, execution error.

streams

Done

KIP-405: Kafka Tiered Storage

Unable to render Jira issues macro, execution error.

Unable to render Jira issues macro, execution error.

core

A major part went out with 3.6.0.

A minor part of the KIP is to be completed in 3.7.0. 

KIP-890: Transactions Server-Side Defense

Unable to render Jira issues macro, execution error.

core

Part 1 Completed

KIP-925: Rack aware task assignment in Kafka Streams

Unable to render Jira issues macro, execution error.

streams

Partially implemented in 3.6

Targetting completion 3.7

KIP-938: Add more metrics for measuring KRaft performance

Unable to render Jira issues macro, execution error.

Unable to render Jira issues macro, execution error.

core

Majority was completed in 3.6. The remaining minority will be done now in 3.7.0

KIP-580: Exponential Backoff for Kafka Clients

Unable to render Jira issues macro, execution error.

clients

Implemented

Plan to release it in 3.7.0

KIP-770: Replace "buffered.records.per.partition" & "cache.max.bytes.buffering" with "{statestore.cache}/{input.buffer}.max.bytes"

Unable to render Jira issues macro, execution error.

streams

Partly implemented, PRs open for the rest but needs reviews

KIP-858: Handle JBOD broker disk failure in KRaft

Unable to render Jira issues macro, execution error.

core

KIP Accepted

Implementation not yet completed

KIP-959: Add BooleanConverter to Kafka Connect

Unable to render Jira issues macro, execution error.

connect

Done

KIP-980: Allow creating connectors in a stopped state

Unable to render Jira issues macro, execution error.

connect

Done

KIP-963: Additional metrics in Tiered Storage

Unable to render Jira issues macro, execution error.

core

Under discussion.

Targetting 3.7

KIP-976: Cluster-wide dynamic log adjustment for Kafka Connect

Unable to render Jira issues macro, execution error.

connect

Done

KIP-848: The Next Generation of the Consumer Rebalance Protocol

Unable to render Jira issues macro, execution error.

core

KIP Accepted

Targetting a Preview in 3.7

KIP-985: Add reverseRange and reverseAll query over kv-store in IQv2

Unable to render Jira issues macro, execution error.

streams

KIP Accepted
PR Merged

Need update Javadoc

KIP-988: Streams Standby Update Listener

Unable to render Jira issues macro, execution error.

streams

KIP Accepted

KIP-992: Proposal to introduce IQv2 Query Types: TimestampedKeyQuery and TimestampedRangeQuery

Unable to render Jira issues macro, execution error.

streams

KIP Accepted
PR Under review

KIP-975: Docker Image for Apache Kafka

Unable to render Jira issues macro, execution error.


KIP Accepted

PR Under review

KIP-714: Client metrics and observability

Unable to render Jira issues macro, execution error.

core

KIP Accepted

KIP-1000: List Client Metrics Configuration Resources

Unable to render Jira issues macro, execution error.

core

Voting

KIP-978: Allow dynamic reloading of certificates with different DN / SANs

Unable to render Jira issues macro, execution error.

core

KIP Accepted
PR under review

KIP-956 Tiered Storage Quotas

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core



Postponed to subsequent release

KIPJIRAComponentStatus









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