Mention the updated spec documents on the home page

Author: Relequestual

index.md

@@ -64,6 +64,10 @@ We monitor the `jsonschema` tag on StackOverflow.
 
 ## Project Status
 
+2021-06-10: A patch release of Draft 2020-12 has been published with no functional changes.
+
+The new IETF document IDs are of the form `draft-bhutton-*-01`.
+
 2021-02-01: Draft 2020-12 has been published!
 
 The IETF document IDs are of the form `draft-bhutton-*-00`.