The transport is a completely different concern... (though there's also a websocket implementation). They use Yjs: https://make.wordpress.org/core/2026/03/10/r

The transport is a completely different concern... (though there's also a websocket implementation). They use Yjs: https://make.wordpress.org/core/2026/03/10/real-time-collaboration-in-the-block-editor/ https://make.wordpress.org/core/2026/03/10/real-time-collabo...