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Each release is executed by a Release Manager, who needs to be a Apache Flink committer and is selected among the by the Flink PMC members. This document describes the process that the Release Manager follows to perform a release. Any changes to this process should be discussed and adopted on the dev@ mailing list.

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1. Decide to release
2. Prepare for the release
3. Build a release candidate
4. Vote on the release candidate
5. If necessary, fix any issues and go back to step 3.
6. Finalize the release
7. Promote the release
8. Update flink-shaded dependencies in other repositories

Decide to release

Deciding to release and selecting a Release Manager is the first step of the release process. This is a consensus-based decision of the entire community.

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• Create the source release archive
• Deploy jar artifacts to the Apache Nexus Repository, which is the staging area for deploying the jars to Maven Central
• Note: Please do not use VPN or change your IP address when stage artifacts to Apache Nexus Repository, it may lead to multiple staging repositories which is unexpected.

# tag release commit
git tag -s ${TAG} -m "${TAG}"

# create source release
cd ${FLINK_SHADED_DIR}/tools
RELEASE_VERSION=$RELEASE_VERSION releasing/create_source_release.sh 

# stage maven artifacts
cd ${FLINK_SHADED_DIR}/tools
releasing/deploy_staging_jars.sh

cd ${FLINK_SHADED_DIR}

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1. Website pull request to list the release merged
2. Release recorded in reporter.apache.org.
3. Release announced on the dev@ mailing list.
4. Prepare for the next development iteration by creating/merging a PR bumping the flink-shaded version (e.g. 725c0caf3ab)

Update flink-shaded dependency in other repositories

Repositories that have the flink-shaded dependency included and need updates (flink-shaded  and shaded dependency versions):

• apache/flink:pom.xml
• apache/flink-benchmarks:pom.xml

Improve the process

It is important that we improve the release processes over time. Once you’ve finished the release, please take a step back and look what areas of this process and be improved. Perhaps some part of the process can be simplified. Perhaps parts of this guide can be clarified.

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