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newsUpdatesAndGuidelines

A Schema.org Property

This term is proposed for full integration into Schema.org, pending implementation feedback and adoption from applications and websites.
Indicates a page with news updates and guidelines. This could often be (but is not required to be) the main page containing SpecialAnnouncement markup on a site.
Values expected to be one of these types
URL
WebContent
Used on these types
SpecialAnnouncement

Source

https://github.com/schemaorg/schemaorg/issues/2490