Changelog Context

Name	Type	Description
config	Configuration	The changelog generation configuration.
versions	list of VersionContext	The version contexts to render in the changelog.
unreleased_label	string	The configured label used as the version title of the changes since the last valid tag.
valid_author_tokens	list of string	The configured tokens in git commit trailers that indicate authorship.
group_by	list of string	The configured grouping aspects for commits within a version.
group_depth	int	The number of levels version commits are grouped by.
diff_index	function	The index of the first difference between two lists