cloudflare/partykit y-partyserver@2.1.0

y-partyserver@2.1.0

Repository: cloudflare/partykit

Tag: y-partyserver@2.1.0

Published: 2026-02-24T12:46:22Z

Prerelease: no

Release notes:

Minor Changes

• #341 `e7f4b51` Thanks @threepointone! - Fix Yjs hibernation support and awareness propagation

Server:

• Replace in-memory WSSharedDoc.conns Map with connection.setState() and getConnections() so connection tracking survives Durable Object hibernation
• Move event handler registration from WSSharedDoc constructor into onStart() to use getConnections() for broadcasting
• Disable awareness protocol's built-in _checkInterval in WSSharedDoc constructor to prevent timers from defeating hibernation
• On onStart, send sync step 1 to all existing connections so clients re-sync the server's document after hibernation wake-up
• Simplify send() — no longer forcibly closes connections on failure
• Remove closeConn() helper; awareness cleanup now happens in onClose via persisted connection state
• Widen onLoad() return type to Promise to allow seeding the document from a returned YDoc

Provider:

• Switch awareness event listener from "update" to "change" so clock-only heartbeat renewals do not produce network traffic (allows DO hibernation during idle sessions)
• Disable awareness protocol's built-in _checkInterval on the client to stop 15-second clock renewals and 30-second peer timeout removal
• Remove provider's own _checkInterval liveness timer (was coupled to the awareness heartbeat)
• Clear stale awareness meta for remote clients on WebSocket close so reconnecting clients' awareness updates are accepted
• Bump awareness clock on reconnect to ensure remote peers accept the update
• Fix bug where host.slice(0, -1) result was not assigned, so trailing slashes were never stripped

Patch Changes

• #343 `c59d33d` Thanks @threepointone! - update deps