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](https://www.youtube.com/watch?v=1-A9eRzCBL0&index=1&list=PLE7tQUdRKcyayGHjjxZOmVEGsxX-rczZt) A complete list of conference talks. [https://confreaks.tv/events/rubyconf2017](https://confreaks.tv/events/rubyconf2017) Something to shoot for.
