• Updated to Schema.org 7.0.3 including SpecialAnnouncement and other types/changes to handle the COVID-19 crisis
• Added several optional properties to the Event schema.org type: eventStatus, eventAttendanceMode, and previousStartDate
• Included the extension schema.org types as well as core schema.org types
• Added eventAttendanceMode and eventStatus with defaults to the Event JSON-LD