1.. include:: ReleaseNotes/19.rst 2 3.. Make sure to reference the previous release notes in a toctree to avoid Sphinx errors. 4.. toctree:: 5 :hidden: 6 7 ReleaseNotes/18 8 9.. The release notes are in versioned files, but we make sure to keep publishing 10.. them in an unversioned ReleaseNotes.html page for external sites to reference. 11