• Added experimental flag

Added

• Allow usage in Catalogs.
• Explicitly support usage in assets.
• New relation type version-history #6

Changed

• The version field is not required any longer. #8

Fixed

• Clarify usage of the relation types and how often they can be used per document. #7

Initial independent release on April 30, 2021. See previous history.

Re-released with fixed/improved JSON Schema and STAC 1.0.0 examples on July 26, 2021.