Docs Templates
We are currently working on setting up new templates to use on the new documentation site docs.umbraco.com.
Keep an eye on the Contribute section where the templates will be published once ready.
You are currently looking at documentation for Umbraco 8 and older versions.
An automated guess is that docs.umbraco.com/contribute/docstemplates/ could be the link to the new documentation for Umbraco 9 and newer versions.
We are currently working on setting up new templates to use on the new documentation site docs.umbraco.com.
Keep an eye on the Contribute section where the templates will be published once ready.