DMTF has released v2019.1 of Redfish, which includes 19 schema updates, revisions to the Redfish specification, and additional developer resources:
Redfish Schema Bundle (updated)
Redfish Specification (updated)
Redfish 2019.1 Overview (updated)
Redfish Resource and Schema Guide (updated)
Redfish Release History (updated)
Redfish Property Guide (new document)
https://www.dmtf.org/content/redfish-version-20191-now-available