Comment by neustradamus

Please go here: - https://xmpp.org/extensions/#xep-0474-implementations

Linked to: - RFC 5929: Channel Bindings for TLS: https://datatracker.ietf.org/doc/html/rfc5929

- RFC 9266: Channel Bindings for TLS 1.3: https://datatracker.ietf.org/doc/html/rfc9266

- XEP-0388: Extensible SASL Profile: https://xmpp.org/extensions/xep-0388.html

- XEP-0440: SASL Channel-Binding Type Capability: https://xmpp.org/extensions/xep-0440.html

- XEP-0474: SASL SCRAM Downgrade Protection: https://xmpp.org/extensions/xep-0474.html

- XEP-0480: SASL Upgrade Tasks: https://xmpp.org/extensions/xep-0480.html

- XEP-0515: TLS Channel-Binding Downgrade Protection: https://xmpp.org/extensions/xep-0515.html

- State of Play of SCRAM SASL: https://github.com/scram-xmpp/info/issues/1