Version 0.2.0 of XEP-0421 (Anonymous unique occupant identifiers for MUCs) has been released. Abstract: This specification defines a method that allows clients to identify a MUC participant across reconnects and renames. It thus prevents impersonification of anonymous users. Changelog: * Make explicit that one can't just hash the real JID. * Expand security considerations. * Add schema. * Fix some examples captions and casing (mw) URL: https://xmpp.org/extensions/xep-0421.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.