RFCs

Listing of IETF RFCs implemented

There might be more, but these are the high level, implemented RFCs

RFC 6020 - YANG 1.0
RFC 7950 - YANG 1.1
RFC 7951 - JSON encoding
RFC 8040 - RESTCONF - sans XML and etag support
RFC 8525 - YANG Library
RFC 8071 - RESTCONF Call Home