When Nim starts having conferences it would be nice for them to feel like those for Ruby.
https://avdi.codes/rubyconf-2017/?utm_source=rubyweekly&utm_medium=email
Matz's (Ruby's creator) Keynote Address at RubyConf 2017 provides very good guidance for language (any project really) development. It's really worth the TL;DR time.
https://www.youtube.com/watch?v=1-A9eRzCBL0&index=1&list=PLE7tQUdRKcyayGHjjxZOmVEGsxX-rczZt
A complete list of conference talks.
https://confreaks.tv/events/rubyconf2017
Something to shoot for.