Collaborative Cursors and Presence in 2026 — Document Editor Fan-Out Boundaries
Short answer: use presence to answer who is in a document, send collaborative cursor movement as disposable channel messages, and keep document state in your own store with an explicit conflict strategy. For an editor that also opens a video room, issue scoped access rather than trusting the client, but judge the realtime layer by fan-out behavior and recovery semantics before judging its API…
We haven't written up this one. Dev.to has the full story — the link below goes straight to it.
