Scala Center is organising a Spree, as they do around many other conferences. An event where library maintainers are available to teach, open issues, and help contributors contribute, ask, learn.
For even more details please check out - https://github.com/scalacenter/sprees/blob/master/README.md
There will be food and drinks.
This event is hosted by the Scala Center and Zalando.
Please, bring an ID with you to gain access to the event.