Protocol Extensions

• CalDAV and CardDAV Extensions
  • XML Namespaces
  • Properties
  • Privileges
• /dblookup HTTP API
  • Authentication
  • Common Request Format
  • Response Codes
  • Endpoints
• JMAP for Contacts extensions
  • Changes to AddressBook
  • Changes to ContactCard
  • New Method: ContactCard/parse
• LMTP extensions
  • IGNOREQUOTA
  • TRACE
  • SESSIONID in responses
• Sieve extensions
  • snooze
  • regex
  • vnd.cyrus.jmapquery
  • vnd.cyrus.implicit_keep_target
  • vnd.cyrus.log