Julia 0.6 has a wealth of improvements: https://github.com/JuliaLang/julia/blob/v0.6.0-rc1/NEWS.md (nicer keywords for immutability, elegant array broadcasting, REPL polish)
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Go has an elegant approach to defining example functions, which are shown in docs as `main()` with the output: https://go.dev/blog/examples
I've released difftastic 0.65! Highlights of this release:
* Better parsing of Clojure, Common Lisp, Kotlin, Rust and Zig.
* Quality of life improvements for binary files.
https://github.com/Wilfred/difftastic/releases/tag/0.65.0
I've added an eval button to the website of my programming language!
It's a been a lot of work to lock down appropriately. It still needs some UI polish but it's so nice to be able to try snippets immediately.
https://www.garden-lang.org/