I'm surprised that people haven't commented on the implicit story here: the intention to deliver the "Shiny" cross-platform graphical toolkit for Go. If that happens, Go becomes one of the very few programming languages with a default cross-platform UI library.
Let's hope it won't be as ugly as the Java crap. Or Tk.
https://netbeans.org/images_www/screenshots/platform/jmonkey...
https://netbeans.org/images_www/screenshots/platform/nbAWSAd...
https://netbeans.org/images_www/screenshots/platform/lg_soft...
https://netbeans.org/images_www/screenshots/platform/GGSSEph...
https://netbeans.org/images_www/screenshots/platform/platypu...
https://netbeans.org/images_www/screenshots/platform/blueMar...
or the new Java crap like
http://fxexperience.com/wp-content/uploads/2011/05/Charts-Ba...
http://docs.oracle.com/javafx/2/best_practices/img/saleshist...
https://blog.idrsolutions.com/wp-content/uploads/2014/03/vie...
??