Multi-User Chat
SOCKS5 Bytestreams (Proxy)
Entity Capabilities
vCard-Based Avatar (MUC)
Discovering Alternative XMPP Connection Methods (HTTP)
Contact Addresses for XMPP Services (Abuse)
Best Practices for Handling Offline Messages
Personal Eventing Protocol
Blocking Command
Stream Management
Roster Versioning
Message Carbons
Message Archive Management
Client State Indication
Push Notifications
HTTP File Upload
SRV records for XMPP over TLS
OMEMO Encryption
User Avatar to vCard-Based Avatars Conversion
Bookmarks Conversion