It sure does seem further along. What I'd also love to see is Haskell. But don't tell anyone. The big men in the white coats will straitjacket me and take me away.
Haskell is a very elegant language. The Pandoc heavily used by R Markdown and Bookdown was implemented in Haskell. Haskell compilers are evolving a lot. Many here speak ill of Haskell because of the purism of functions.
Haskell is a great language. For me, one of its important features and have positively influenced several other programming languages.
When it comes to Go, I find it very interesting that errors can be returned without the need for treatments. Something also interesting are goroutines.