[FLINK-35952] Promote release 1.20

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Done
• Affects Version/s: 1.20.0
• Labels: pull-request-available
• Assignee: Weijie Guo
• Reporter: Weijie Guo
• Created: 01/Aug/24 07:58
• Updated: 07/Aug/24 06:37
• Resolved: 07/Aug/24 06:37

Description

Once the release has been finalized (FLINK-32920), the last step of the process is to promote the release within the project and beyond. Please wait for 24h after finalizing the release in accordance with the ASF release policy.

Final checklist to declare this issue resolved:

1. Website pull request to list the release merged
2. Release announced on the user@ mailing list.
3. Blog post published, if applicable.
4. Release recorded in reporter.apache.org.
5. Release announced on social media.
6. Completion declared on the dev@ mailing list.
7. Update Homebrew: https://docs.brew.sh/How-To-Open-a-Homebrew-Pull-Request (seems to be done automatically - at least for minor releases  for both minor and major releases)
8. Updated the japicmp configuration
   • corresponding SNAPSHOT branch japicmp reference version set to the just released version, and API compatibiltity checks for @PublicEvolving  was enabled
   • (minor version release only) master branch japicmp reference version set to the just released version
   • (minor version release only) master branch japicmp exclusions have been cleared
9. Update the list of previous version in docs/config.toml on the master branch.
10. Set show_outdated_warning: true in docs/config.toml in the branch of the now deprecated Flink version (i.e. 1.16 if 1.18.0 is released)
11. Update stable and master alias in https://github.com/apache/flink/blob/master/.github/workflows/docs.yml
12. Open discussion thread for End of Life for Unsupported version (i.e. 1.16)

Issue Links

• is a clone of: FLINK-34706 Promote release 1.19

Sub-Tasks

• Merge website pull request: Resolved
• Apache mailing lists announcements: Resolved
• Other announcements: Resolved
• Updates the docs stable version: Resolved
• Build 1.20 docs in GitHub Action and mark 1.20 as stable in docs: Resolved
• Remove outdated versions: Resolved
• Update japicmp configuration: Resolved
• Update reference data for Migration Tests: Resolved
• Start End of Life discussion thread for now outdated Flink minor version: Open