[meta] 12.0.0 milestone release notes

Background information

• How to write a release note snippet
• Writing release notes for Drupal core releases

Release notes

• #3564239: 12.0.0-alpha1 release notes
• #3564240: 12.0.0-beta1 release notes
• #3564241: 12.0.0-rc1 release notes
• Issues for additional RCs, etc.
• #3564242: 12.0.0 release notes

Issues tagged '12.0.0 release notes'

Instructions

1. Use the Google Docs "suggestion" feature to suggest corrections, readability improvements, etc.
2. Review the introductory part of the release notes. This is the part before the 'Important update information'.
3. Complete the sections after 'Important update information'. This is where the release notes snippets from the issues are added.
   • Make sure that all issues tagged '12.0.0 release notes' are included in the respective drafts.
   • Ensure that every release note;
     • describes a disruptive change. Additions without any disruptive changes belong in the release highlights post, not the release notes.
     • follows the release note snippet best practices.
     • includes a link to a change record, except those for a dependency update.
4. Review the format of the release notes.
   • Ensure that release notes are formatted correctly in bulleted lists, and that each list item has a blank newline between the tag and the list item text. For example:
     

                 <li>
                   A disruptive change is described here. For more information, review <a href="">the change record about what-and-such</a>.
                 </li>
               

   • Follow the organization suggested by committers. If you think something belongs in a different section, leave a comment.
5. Comment on this issue to receive credit for working on the release notes.