The Common Data Model (CDM) is a standard and extensible collection of schemas (entities, attributes, relationships) that represents business concepts and activities with well-defined semantics, to facilitate data interoperability. Examples of entities include: Account, Contact, Lead, Opportunity, Product, etc.
All the *.CDM.JSON files in the SchemaDocuments/ comes without the version number, is the ../standards.manifest.cdm.json missing?
The last version seems to be schemaDocuments/standards.1.1.9.manifest.cdm.json
Or is it known issue?