[Standards] NEW: XEP-0499 (Pubsub Extended Discovery)

Version 0.1.0 of XEP-0499 (Pubsub Extended Discovery) has been released. Abstract: This specification extends the discovery requests used with the XMPP PubSub protocol by introducing mechanisms to discover linked nodes, descendants, or metadata. Changelog: Promoted to Experimental (XEP Editor: dg) URL: https://xmpp.org/extensions/xep-0499.html Note: The information in the XEP list at https://xmpp.org/extensions/ is updated by a separate automated process and may be stale at the time this email is sent. The XEP documents linked herein are up-to- date.