XEP Supported Version Notes XEP-0012 Last Activity 2.0 XEP-0027 Current Jabber OpenPGP Usage 1.3 XEP-0030 Service Discovery XEP-0045 Multi-User Chat XEP-0048 Bookmarks 1.0 XEP-0050 Ad-Hoc Commands 1.2.1 Since 0.6.0. No multi-step yet XEP-0060 Publish-Subscribe 1.15.8 Since 0.7.0. Used for OMEMO. XEP-0085 Chat State Notifications 2.1 XEP-0091 Legacy Delayed Delivery 1.4 XEP-0092 Software Version 1.1 XEP-0115 Entity Capabilities XEP-0160 Best Practices for Handling Offline Messages 1.0.1 XEP-0184 Message Delivery Receipts 1.2 XEP-0191 Blocking Command 1.3 XEP-0199 XMPP Ping 2.0.1 XEP-0203 Delayed Delivery 2.0 XEP-0245 The /me Command 1.0 XEP-0249 Direct MUC Invitations 1.0 XEP-0256 Last Activity in Presence 1.1 XEP-0280 Message Carbons 0.12.1 XEP-0308 Last Message Correction 1.1.0 Since 0.9.0. XEP-0359 Unique and Stable Stanza IDs 0.6.0 Since 0.8.0. Only No yet. XEP-0363 HTTP File Upload 0.9.0 XEP-0364 Current Off-the-Record Messaging Usage 0.3.1 XEP-0374 OpenPGP for XMPP Instant Messaging 0.2.0 Only in development version. XEP-0384 OMEMO Encryption 0.3.0 Since 0.7.0 XEP-0392 Consistent Color Generation 0.7.0 Since 0.8.0 XEP-xxxx OMEMO Media sharing 0.0.2 Since 0.10.0