# Announcing Colyseus 0.15
###### tags: `release notes & blog`

> This is the blog post contents for colyseus.io/blog

- `onBeforePatch`
- `this.clients` now supports getting by session id directly.
- `DEBUG=colyseus:messages` logs
- `allowReconnection()` "manual" + reconnection token
- support for custom loggers (via `logger:` Server option)
- `"redis"` is being replaced by `"ioredis"`
- some room properties are now fully private
- `@colyseus/loadtest` has been reworked
- `@colyseus/command` slight change