## What's Changed * add websocket pings/pongs to help close zombie connections by @rolyatmax in https://github.com/jamsocket/y-sweet/pull/410 * fix some websocket server issues by @rolyatmax in https://github.com/jamsocket/y-sweet/pull/411 * v0.9.1 by @rolyatmax in https://github.com/jamsocket/y-sweet/pull/412 **Full Changelog**: https://github.com/jamsocket/y-sweet/compare/v0.9.0...v0.9.1