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This document describes how to release Apache Kafka from trunk. 

It is a work in progress and should be refined by the Release Manager (RM) as they come across aspects of the release process not yet documented here.

NOTE: For the purpose of illustration, this document assumes that the version being released is 0.10.0.0 and the following development version will become 0.10.1.0.


Prerequisites

  • Send an email to dev@kafka.apache.org offering to act as the Release Manager (RM). Look for previous emails with "I'd like to volunteer for the release manager". Sample format for a bug fix release is available below.
Hey folks,

I'd like to volunteer to be the release manager for a bug fix release of the
{{3.5 CHANGE ME!}} line. This will be the first bug fix release of this line and will be
version {{3.5.1 CHANGE ME!}}.


If no one has any objections, I will send out a release plan on {{DD-MM-YYYY}} that includes a list of all of the fixes we are targeting for
{{3.5.1 CHANGE ME!}} along with a timeline.

Thanks!


  • Prepare release plan in the wiki, notifying the community the overall plan and goals for the release (For example: Release Plan 0.10.0)
  • Go over JIRA for the release and make sure that blockers are marked as blockers and non-blockers are non-blockers. This JIRA filter may be handy:

    project = KAFKA AND fixVersion = 0.10.0.0 AND resolution = Unresolved AND priority = blocker ORDER BY due ASC, priority DESC, created ASC
  • It is important that between the time that the release plan is voted to the time when the release branch is created, no experimental or potentially destabilizing work is checked into the trunk. While it is acceptable to introduce major changes, they must be thoroughly reviewed and have good test coverage to ensure that the release branch does not start off being unstable. If necessary the RM can discuss if certain issues should be fixed on the trunk in this time, and if so what is the gating criteria for accepting them.

  • RM must have gpg keys with the public key publicly available to validate the authenticity of the Apache Kafka release: If you haven't set up gpg key, set up one using 4096 bit RSA (http://www.apache.org/dev/release-signing.html). Make sure that your public key is uploaded to one of the public servers (http://www.apache.org/dev/release-signing.html#keyserver). Also, add your public key to https://github.com/apache/kafka-site/blob/asf-site/KEYS
  • RM's Apache account must have one of the RM's ssh public key so that the release script can use SFTP to upload artifacts to the RM's account on home.apache.org. Verify by using `sftp <your-apache-id>@home.apache.org`; if you get authentication failures, login to id.apache.org and add your public ssh key to your Apache account. If you need a new ssh key, generate one with `ssh-keygen -t rsa -b 4096 -C <your-apache-id>@apache.org` and saving the key in `~/.ssh/apache_rsa`, add the key locally with `ssh-add ~/.ssh/apache_rsa`, add the public SSH key (contents of `~/.ssh/apache_rsa.pub`) to your account using id.apache.org, and verify you can connect with sftp (may require up to 10 minutes for account changes to synchronize). See more detailed instructions.
  • Make sure docs/documentation.html is referring to the next release and links and update docs/upgrade.html with upgrade instructions for next release. For a bugfix release, make sure to at least bump the version number in the "Upgrading to ..." header in docs/upgrade.html. If this is a major or minor release #, it's a good idea to make this change now. If you end up doing it after cutting branches, be sure the commit lands on both trunk and your release branch. Note that this must be done before generating any artifacts because these docs are part of the content that gets voted on.
  • Install the dependencies for the release scripts: pip install jira=2.0.0  or newer.
  • Ensure you have configured SSH to pick up your key when connecting to apache.org domains. In ~/.ssh/config, add:
Host *.apache.org
IdentityFile ~/.ssh/<apache-ssh-key>
  • You will need to upload your maven credentials and signatory credentials for the release script by editing your `~/.gradle/gradle.properties` with:

    ~/.gradle/gradle.properties
    mavenUrl=https://repository.apache.org/service/local/staging/deploy/maven2                                                                                                                                
    mavenUsername=your-apache-id
    mavenPassword=your-apache-passwd
    signing.keyId=your-gpgkeyId # <- needs to be the 8-letter key ID
    signing.password=your-gpg-passphrase
    signing.secretKeyRingFile=/Users/your-id/.gnupg/secring.gpg

    If you don't already have a secret key ring under ~/.gnupg (which will be the case with GPG 2.1 and beyond), you will need to manually create it with `gpg --export-secret-keys -o ~/.gnupg/secring.gpg`. Obviously, be careful not to publicly upload your passwords. You should be editing the `gradle.properties` file under your home directory, not the one in Kafka itself.

  • Make sure your `~/.m2/settings.xml` is configured for pgp signing and uploading to the apache release maven:

    ~/.m2/settings.xml
    <servers> 
      <server>
        <id>apache.releases.https</id>
        <username>your-apache-id</username>
        <password>your-apache-passwd</password>
      </server>
      <server>
        <id>your-gpgkeyId</id>
        <passphrase>your-gpg-passphrase</passphrase>
      </server>
    </servers>
    <profiles>
      <profile>
        <id>gpg-signing</id>
        <properties>
          <gpg.keyname>your-gpgkeyId</gpg.keyname>
          <gpg.passphraseServerId>your-gpgkeyId</gpg.passphraseServerId>
        </properties>
      </profile>
    </profiles>
  • You may also need to update some gnupgp configs:

    echo "allow-loopback-pinentry" >> ~/.gnupg/gpg-agent.conf
    
    echo "use-agent" >> ~/.gnupg/gpg.conf
    echo "pinentry-mode loopback" >> ~/.gnupg/gpg.conf
    
    echo RELOADAGENT | gpg-connect-agent

Cut Branches

Skip this section if you are releasing a bug fix version (e.g. 2.2.1).

  • Make sure you are working with a clean repo (i.e. identical to upstream - no changes in progress). If needed clone a fresh copy
  • git checkout trunk
  • Check that current HEAD points to commit on which you want to base new  release branch. Checkout particular commit if not.
  • git branch 0.10.0
  • git push apache 0.10.0
  • Modify the version in trunk to bump to the next one (eg. "0.10.1.0-SNAPSHOT") in the following files:
    • docs/js/templateData.js
    • gradle.properties

    • kafka-merge-pr.py

    • streams/quickstart/java/pom.xml

    • streams/quickstart/java/src/main/resources/archetype-resources/pom.xml

    • streams/quickstart/pom.xml

    • tests/kafkatest/__init__.py

    • tests/kafkatest/version.py

  • Commit and push to trunk in apache.
  • Check that the branch was correctly propagated to Apache using the webui: https://gitbox.apache.org/repos/asf?p=kafka.git
  • Update the Jenkins configuration to include the newly created branch (if it's not there already) in the section shown in the following screenshot. If you don't have permission to create apache job, please ask Jun Rao to give you access.

  • Send email announcing the new branch:

    To: dev@kafka.apache.org
    Subject: New release branch 0.10.0
    
    Hello Kafka developers and friends,
    
    As promised, we now have a release branch for 0.10.0 release (with 0.10.0.0
    as the version).
    Trunk has been bumped to 0.10.1.0-SNAPSHOT.
    
    I'll be going over the JIRAs to move every non-blocker from this release to
    the next release.
    
    From this point, most changes should go to trunk.
    *Blockers (existing and new that we discover while testing the release)
    will be double-committed. *Please discuss with your reviewer whether your
    PR should go to trunk or to trunk+release so they can merge accordingly.
    
    *Please help us test the release! *
    
    Thanks!
    
    $RM
    

Create Release Artifacts

  • Until Unable to render Jira issues macro, execution error. is complete, you will have to manually verify the binary artifact's LICENSE file matches its own packaged dependencies. See that ticket for an example of how to do this.
  • Set environment variable `PUSH_REMOTE_NAME` to the remote you want to push to, e.g., export PUSH_REMOTE_NAME=origin (default is apache-github).
  • Run the `release.py` script in the root of the kafka repository and follow the instructions. NOTE that if you are releasing a version prior to 1.0.x, you need to have minor edits on the script to change the three-digits pattern checking to four-digits pattern.
  • This script will created a hidden directory called .release_work_dir. Don't delete this as you may need the contents later (for example the kafka-stream-x.x.x-test.jar)
  • Troubleshooting:
    • If any step fails, make sure you have everything set up as described in the Prerequisites section and are using the correct passphrase for each config. When in doubt, remove or comment out anything in your settings that is not specifically needed for the release – for example, alternate profiles or unrelated servers, mirrors, etc in your `~/.m2/settings.xml` or `~/.gradle/gradle.properties`
    • Make sure you're running the script with Python3: sadly Python versions are not well managed especially on Macs, so you may want to explicitly invoke it with $python3 release.py 
    • Install any missing packages with pip3 , for example $pip3 install jira  – if pip can't find this, verify it's looking in the right repo by commenting out/removing any index-url settings in your ~/.pip/pip.conf 
    • Try setting an explicit path for both Java8 and Java17, rather than relying on your JAVA_HOME since this may be modified in the background by other applications (such as IDEs)

Website update process

Note: Unlike the Kafka sources (kafka repo), the content of the Apache Kafka website kafka.apache.org is backed by a separate git repository (kafka-site repo). Today, any changes to the content and docs must be kept manually in sync between the two repositories.

We should improve the release script to include these steps. In the meantime, for new releases:

  • git clone git@github.com:apache/kafka-site.git
  • git checkout asf-site
  • Update the website content including docs:
    • The gradle target releaseTarGz generates the Kafka website content including the Kafka documentation (with the exception of a few pages like project-security.html, which are only tracked in the kafka-site repository). This build target also auto-generates the configuration docs of the Kafka broker/producer/consumer/etc. from their respective Java sources. The build output is stored in ./core/build/distributions/kafka_2.13-2.8.0-site-docs.tgz.
    • Untar the file and rename the site-docs/ folder to 28/ (or, if the latter already exists, replace its contents). That's because the docs for a release are stored in a separate folder (e.g., 27/ for Kafka v2.7 and 28/ for Kafka v2.8), which ensures the Kafka website includes the documentation for the current and all past Kafka releases.
  • Update the javadocs:
    • Create the release Javadocs with the gradle target aggregatedJavadoc, with output under ./build/docs/javadoc/.
    • Copy the javadoc folder to 28/ (i.e., the full path is 28/javadoc/). If this is bug fix release, do this after the vote has passed to avoid showing an unreleased version number in the published javadocs.
  • Commit & push

Blog Post

  • For minor and major releases, consider writing a blog. Since the Apache blogs platform is now sunset, we've added a blog section to the Kafka website. Unfortunately this requires writing it in HTML, see the blog.html file in kafka-site.
  • It's nice to thank as many people as we can identify.  This script assumes that the previous release was 3.2.x and the current release is 3.3.0

    # Configure the branch name for the current release and the previous release
    CURRENT_RELEASE_BRANCH=apache-kafka/3.3
    PREVIOUS_RELEASE_BRANCH=apache-kafka/3.2
    
    # Get the latest common commit between them
    MERGE_BASE=$(git merge-base $CURRENT_RELEASE_BRANCH $PREVIOUS_RELEASE_BRANCH)
    
    # List of all contributors
    git shortlog -sn --group=author --group=trailer:co-authored-by --no-merges "$MERGE_BASE..$CURRENT_RELEASE_BRANCH" | cut -f2 | sort --ignore-case | uniq > /tmp/kafka_contributors.txt
    
    # Copy the list
    cat /tmp/kafka_contributors.txt | sed -e ':a' -e '$!N;s/\n/, /;ta' -e 's/,$//' -e 's/%$//' | xclip -selection clipboard
  • Consider incorporating any suggestions from the dev thread until release is announced

Announce the RC

  • Send an email announcing the release candidate.

If need to roll a new RC

Update the Collaborators List

While waiting for the vote to pass, this is a good time to update the Collaborators (see https://github.com/apache/kafka-site/pull/510 for reference until the site update is published).

The process is documented in Unable to render Jira issues macro, execution error. . If we complete that ticket, we can remove this step from the release process.

After the vote passes

  • Remember: at least 3 days, 3 +1 from PMC members (committers are not enough!) and no -1.
  • Send a vote closing email:

    To: dev@kafka.apache.org, kafka-clients@googlegroups.com, users@kafka.apache.org
    Subject: [RESULTS] [VOTE] Release Kafka version 0.10.0.0
    
    This vote passes with 7 +1 votes (3 bindings) and no 0 or -1 votes.
    
    +1 votes
    PMC Members:
    * $Name
    * $Name 
    * $Name
    
    Committers:
    * $Name
    * $Name
    
    Community:
    * $Name
    * $Name
    
    0 votes
    * No votes
    
    -1 votes
    * No votes
    
    Vote thread:
    http://markmail.org/message/faioizetvcils2zo
    
    I'll continue with the release process and the release announcement will follow in the next few days.
    
    $RM
  • Create a new tag for the release, on the same commit as the voted rc tag and push it:
    • Use "git show 0.10.0.0-rc6" to find the commit hash of the tag
    • git tag -a 0.10.0.0 <commit hash>
    • When asked to provide a message for the new tag, to preserve uniformity in release tags, add: Apache Kafka <version number> release. For example: Apache Kafka 0.10.0.0 release
    • Run "git show 0.10.0.0" and confirm that the tag points to the correct commit hash. 
    • git push apache 0.10.0.0
  • Merge the last version change / rc tag into the release branch and bump the version to 0.10.0.1-SNAPSHOT
    • git checkout 0.10.0
    • git merge 0.10.0.0-rc6
    • Update version on the branch to 0.10.0.1-SNAPSHOT in the following places:
      • docs/js/templateData.js
      • gradle.properties
      • kafka-merge-pr.py
      • streams/quickstart/java/pom.xml
      • streams/quickstart/java/src/main/resources/archetype-resources/pom.xml
      • streams/quickstart/pom.xml
      • tests/kafkatest/__init__.py (note: this version name can't follow the -SNAPSHOT convention due to python version naming restrictions, instead update it to 0.10.0.1.dev0)
      • tests/kafkatest/version.py

    • Run "git status" and "git diff" and make sure that only the files above have changed with the intended changes. (For example, there's no .release_work_dir/ from a previous RC generation).
    • git commit -a (the commit message could be "MINOR: Update 3.2 branch version to 3.2.1-SNAPSHOT")
    • git push apache 0.10.0
  • Upload all artifacts, release notes, and docs (can be found in the .release_work_dir created by the release.py script) to https://dist.apache.org/repos/dist/release/kafka (a SVN repo, using Apache committer id/passwd).

    Note that only PMC members can upload to the `release` directory. If the RM is not in the PMC, they can upload the files to https://dist.apache.org/repos/dist/dev/kafka instead and ask a PMC member to move them to the release directory.
    1. Set your Apache username as environment variable

      APACHE_USERNAME=<apache_username>
    2. Create a directory for the release. Assuming the release is 0.10.0.0:

      svn mkdir --username $APACHE_USERNAME -m "Making directory for 0.10.0.0" https://dist.apache.org/repos/dist/release/kafka/0.10.0.0 
    3. Checkout the directory for the new release:

      svn co --username $APACHE_USERNAME https://dist.apache.org/repos/dist/release/kafka/0.10.0.0 kafka-release-0-10-0-0
    4. copy the release artifacts from the latest RC (the ones which were in your home.apache.org directory) to the new release directory, but exclude the `javadoc` directory since we don't publish that anymore to https://dist.apache.org/repos/dist/release/kafka

      cd kafka-release-0-10-0-0
      # note: there is a '~' sign in front of your APACHE_USERNAME
      # this step will take minutes
      wget --no-parent --recursive --reject "javadoc/*" "https://home.apache.org/~$APACHE_USERNAME/kafka-0.10.0.0-rc0/"
      mv "home.apache.org/~$APACHE_USERNAME/kafka-0.10.0.0-rc0/*" .
      rm -rf home.apache.org/
      rm index.html*
    5. Add the files to SVN

      svn --username $APACHE_USERNAME add * 
    6. Commit the artifacts to subversion

      svn commit --username $APACHE_USERNAME -m "Release 0.10.0.0" 
  • For PMC members only - If RM is a committer, you can move the artifacts from dev repo to release repo with the following commands. If RM is a PMC member, this step can be ignored.

    # Set your env variable for apache username
    
    APACHE_USERNAME=<apache_username>
    
    # Create the directory for release in release repo
    
    svn mkdir --username $APACHE_USERNAME -m "Making directory for 0.10.0.0" https://dist.apache.org/repos/dist/release/kafka/0.10.0.0 
    
    # Checkout the directory for the new release
    
    svn co --username $APACHE_USERNAME https://dist.apache.org/repos/dist/release/kafka/0.10.0.0 kafka-release-0-10-0-0
    
    # Copy the artifacts from dev  repo to local
    
    svn co --username $APACHE_USERNAME https://dist.apache.org/repos/dist/dev/kafka/0.10.0.0 kafka-dev-0-10-0-0
    
    # Move files from one folder into another
    
    mv kafka-dev-0-10-0-0/* kafka-release-0-10-0-0
    
    # Add files to SVN and commit
    
    cd kafka-release-0-10-0-0
    
    svn --username $APACHE_USERNAME add * 
    
    svn commit --username $APACHE_USERNAME -m "Release 0.10.0.0"
    
    # Update the PGP KEYS
    
    cd
    
    svn co --username $APACHE_USERNAME  --depth empty https://dist.apache.org/repos/dist/release/kafka/ kafka-pgp-0-10-0-0
    
    cd kafka-pgp-0-10-0-0
    
    svn update KEYS
    
    wget http://kafka.apache.org/KEYS
    
    mv KEYS.1 KEYS
    
    svn commit -m "Update PGP keys"
  • Make sure the KEYS file in the svn repo includes the committer who signed the release.
    The KEYS must be in  https://dist.apache.org/repos/dist/release/kafka/KEYS and not just in http://kafka.apache.org/KEYS.
  • Go to https://repository.apache.org/#stagingRepositories, find the uploaded artifacts and release them (this will push the artifacts to maven central). You will be asked to provide a description on a pop-up menu that will allow you to add Apache Kafka 0.10.0.0 (in previous descriptions you'd normally have appended the RC identifier as well). 



  • Wait for about a day for the artifacts to show up in apache mirror (releases, public group) and maven central (mvnrepository.com or maven.org). 
  • In trunk update the following files with the current release number. This is needed for a feature as well as a bug-fix release (commit example)
    • KAFKA-REPO-DIR/gradle/dependencies.gradle
    • KAFKA-REPO-DIR/tests/docker/Dockerfile
    • KAFKA-REPO-DIR/tests/kafkatest/version.py
    • KAFKA-REPO-DIR/vagrant/base.sh
    • Upload the new release and kafka-stream-x.x.x-test.jar (can be found in the .release_work_dir created by the release.py script) to the S3 bucket "kafka-packages".  This is a S3 bucket owned by Confluent. If the RM is a committer from Confluent then follow the internal documentation for getting credentials. If the RM is not a committer from Confluent, please ask a committer from Confluent to do this for you.
      Use the AWS console to upload the files in the bucket or the CLI if you have appropriate keys. Update these commands to use the current release version. For example:
      • aws s3 cp .release_work_dir/<rc-version>/kafka_2.12-3.0.0.tgz s3://kafka-packages
      • aws s3 cp .release_work_dir/<rc-version>/kafka_2.13-3.0.0.tgz s3://kafka-packages
      • aws s3 cp .release_work_dir/kafka/streams/build/libs/kafka-streams-3.0.0-test.jar s3://kafka-packages
      • Make sure to update the permissions on AWS S3 so they are readable by everyone

        $ aws s3api put-object-acl --bucket kafka-packages --key kafka_2.13-3.0.0.tgz --acl public-read
        $ aws s3api put-object-acl --bucket kafka-packages --key kafka_2.12-3.0.0.tgz --acl public-read
        $ aws s3api put-object-acl --bucket kafka-packages --key kafka-streams-3.0.0-test.jar --acl public-read
  • Update the website:
      • Update files (e.g. documentation.html, protocol.html, quickstart.html, intro.html) to include the link for the new version (e.g. 0100/documentation.html). The full list of files can be found by:
        git grep "should always link the latest" | grep -v '^[0-9]'
        The command grep -v '^[0-9]' excludes per-release files (e.g. ./10/documentation/streams/upgrade-guide.html)
      • Verify that related html files (excluding per-release files) have been updated to use the new release version by doing
        git grep -Irn -A1 "should always link the latest" | grep -v '^[0-9]' 
        and checking that the new feature version is used.
      • Update files (e.g documentation.html, streams/quickstart.html) from the previous release (e.g current release is 2.8 so update files in the /27 folder) to change '<!--//#include virtual="'...  to '<!--#include virtual="... .  You can find the files by running
        git grep '<!--//#include virtual=' 
        from the directory of the previous feature release.  This kafka-site PR is an example of the changes that need to be made.
    • Update downloads.html to include the new download links from mirrors and change last release to use archive. Also add a paragraph with a brief feature introduction for the release.
    • git commit -am ".."
    • git push origin asf-site
    • Make sure the docs for the previous version are updated to display the "You're viewing documentation for an older version of Kafka" banner. This means un-commenting the banner out in two places: the previous version's branch of the kafka repo, and the previous version's directory in the kafka-site repo. See this commit for an example of which line displays this banner
  • Mark the version as released in Kafka JIRA (from JIRA administration panel, select versions and scroll mouse towards the end of the line for the particular version. From the dropdown list, select release and set the date).
  • Send out an announcement email.
    • The announcement email should be sent to  announce@apache.orgusers@kafka.apache.orgdev@kafka.apache.org, and kafka-clients@googlegroups.com
    • You need to use your apache email address to send out the email (otherwise, it won't be delivered to announce@apache.org).
      • If you use gmail, you can configure it to send outbound mail from your apache address. Go to Settings → Accounts and Import → Send mail as: , and use the config:
        Server: mail-relay.apache.org Port: 587 (STARTTLS), 465 (SSL) User/Pass: {Your LDAP credentials}
      • For other mail clients, see https://infra.apache.org/committer-email.html
    • You need to be subscribed to `kafka-clients@googlegroups.com` with your apache email address – otherwise it bounces back. Just send a message from your apache email to kafka-clients+subscribe@googlegroups.com and click `Join` in the confirmation email
    • Make sure to send the email as plain text, if there is any html (including basic hyperlinks) the email will bounce from announce@apache.org. For gmail, removing formatting might not be enough. Make sure you've selected the option "Plain text mode". 
    • Double check that all the links in the email and on the downloads page work.
    • You can either use the release.py script to get the email contents or use the below template and instructions to construct it yourself:
      • Run  `./release.py release-email` script in the root of the kafka repository and follow the instructions to generate the announcement email template for the release to the mailing list.
      • Copy the below template and fill in the sections such as the version, number-of-JIRAs, and contributor info, where:
      • Check and update the Scala versions if necessary

        The Apache Kafka community is pleased to announce the release for Apache Kafka <version>.
        
        
        This is a bug fix release and it includes fixes and improvements from <number-of-JIRAs> JIRAs, including a few critical bugs.
        
        
        All of the changes in this release can be found in the release notes:
        
        https://www.apache.org/dist/kafka/<version>/RELEASE_NOTES.html
        
        
        You can download the source and binary release (Scala 2.11 and Scala 2.12) from:
        
        https://kafka.apache.org/downloads#<version>
        
        
        ---------------------------------------------------------------------------------------------------
        
        
        Apache Kafka is a distributed streaming platform with four core APIs:
        
        ** The Producer API allows an application to publish a stream records to one or more Kafka topics.
        
        ** The Consumer API allows an application to subscribe to one or more topics and process the stream of records produced to them.
        
        ** The Streams API allows an application to act as a stream processor, consuming an input stream from one or more topics and producing an output stream to one or more output topics, effectively transforming the input streams to output streams.
        
        ** The Connector API allows building and running reusable producers or consumers that connect Kafka topics to existing applications or data systems. For example, a connector to a relational database might capture every change to a table.
        
        
        
        With these APIs, Kafka can be used for two broad classes of application:
        
        ** Building real-time streaming data pipelines that reliably get data between systems or applications.
        
        ** Building real-time streaming applications that transform or react to the streams of data.
        
        
        
        Apache Kafka is in use at large and small companies worldwide, including Capital One, Goldman Sachs, ING, LinkedIn, Netflix, Pinterest, Rabobank, Target, The New York Times, Uber, Yelp, and Zalando, among others.
        
        
        
        A big thank you for the following <number-of-contributors> contributors to this release!
        
        <list-of-contributors>
        
        
        
        We welcome your help and feedback. For more information on how to report problems, and to get involved, visit the project website at https://kafka.apache.org/
        
        
        Thank you!
        
        
        Regards,
         $RM
        
        
  • Once the release is announced, the PMC member who committed the release artifacts to the SVN dist repository should add the release data to https://reporter.apache.org/addrelease.html?kafka (they will get a notification asking them to do this after the svn commit).
  • PMC member should double check if older releases should be archived (cf. http://www.apache.org/legal/release-policy.html#when-to-archive). This includes changing the relevant download links in the site's `download.html` to use the archive link.
    • Cf.  Unable to render Jira issues macro, execution error.  and  Unable to render Jira issues macro, execution error.
  • For feature releases, file a JIRA for updating compatibility/upgrade system tests to test the newly released version. Example PRs:
  • For feature releases, publish the blog post previously shared with the dev list.

Useful Commands

Find all contributors for a release

# The commands below assume that new version is 3.5.1 and last version is 3.5.

## set variables

CURRENT_RELEASE_TAG=3.5.1
OLD_RELEASE_TAG=3.5.0## get list of contributors (commit authors and co-authors) sorted in alphabetical order and separated by commagit shortlog -sn --group=author --group=trailer:co-authored-by --no-merges ${OLD_RELEASE_TAG}..${CURRENT_RELEASE_TAG} | cut -f2 | sort --ignore-case | uniq | sed -e ':a' -e '$!N;s/\n/, /;ta' -e 's/,$//' -e 's/%$//'

## get count of list of unique contributorsgit shortlog -sn --group=author --group=trailer:co-authored-by --no-merges ${OLD_RELEASE_TAG}..${CURRENT_RELEASE_TAG} | cut -f2 | sort --ignore-case | uniq | wc -l



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