Jitsi Meet still runs on XMPP, Prosody handles the signaling. WhatsApp also started life as a patched ejabberd.

WhatsApp is still based on XMPP unless things have changed a lot recently.

	▲	tensor an hour ago \| parent \| next [-]
		What about their signal integration? https://signal.org/blog/whatsapp-complete/
	▲	alex1138 an hour ago \| parent \| prev [-]
		I don't consider WA a product. I don't consider it a viable product. Post-2014/Zuckerberg. Who cares if it's XMPP, it didn't federate