1.. include:: ReleaseNotes/21.rst 2 3.. Make sure to reference the non-live release notes in a toctree to avoid Sphinx errors. 4.. toctree:: 5 :hidden: 6 7 ReleaseNotes/20 8 ReleaseNotes/19 9 10.. The release notes are in versioned files, but we make sure to keep publishing 11.. them in an unversioned ReleaseNotes.html page for external sites to reference. 12