documentation_url:# (optional) This is a link to the current documentation page
image_url:# (optional) This is a link to a thumbnail image depicting the feature
video_url:# (optional) Use the youtube thumbnail URL with the structure of https://img.youtube.com/vi/UNIQUEID/hqdefault.jpg
announcement_date:# (optional - may be required in the future) YYYY-MM-DD format - the date of the milestone release when this feature was first announced as deprecated
announcement_date:# YYYY-MM-DD format - the date of the milestone release when this feature was first announced as deprecated
removal_date:# (optional - may be required in the future) YYYY-MM-DD format - the date of the milestone release when this feature is planned to be removed