A modern programming language that makes developers happier.

kotlinlang

how many iterations until "Many <https://en.wikipedia.org/wiki/Programming_language|programming languages> have self-hosted implementations: compilers that are both in and for the same language. Such languages include <https://en.wikipedia.org/wiki/Ada_(programming_language)|Ada>, <https://en.wikipedia.org/wiki/BASIC|BASIC>, <https://en.wikipedia.org/wiki/C_(programming_language)|C>, <https://en.wikipedia.org/wiki/C%2B%2B|C++>,<https://en.wikipedia.org/wiki/Self-hosting_(compilers)#cite_note-4|[4]> <https://en.wikipedia.org/wiki/C_Sharp_(programming_language)|C#>,<https://en.wikipedia.org/wiki/Self-hosting_(compilers)#cite_note-dotnet-5|[5]> <https://en.wikipedia.org/wiki/Clojure|ClojureScript>,<https://en.wikipedia.org/wiki/Self-hosting_(compilers)#cite_note-cljs-6|[6]> <https://en.wikipedia.org/wiki/CoffeeScript|CoffeeScript>, <https://en.wikipedia.org/wiki/Crystal_(programming_language)|Crystal>, <https://en.wikipedia.org/wiki/D_(programming_language)|D>, <https://en.wikipedia.org/wiki/Dylan_(programming_language)|Dylan>, <https://en.wikipedia.org/wiki/F_Sharp_(programming_language)|F#>, <https://en.wikipedia.org/wiki/FASM|FASM>, <https://en.wikipedia.org/wiki/Forth_(programming_language)|Forth>, <https://en.wikipedia.org/wiki/Gambas|Gambas>, <https://en.wikipedia.org/wiki/Go_(programming_language)|Go>, <https://en.wikipedia.org/wiki/Haskell_(programming_language)|Haskell>, <https://en.wikipedia.org/wiki/HolyC|HolyC>, <https://en.wikipedia.org/wiki/Java_(programming_language)|Java>, <https://en.wikipedia.org/wiki/Lisp_(programming_language)|Lisp>, <https://en.wikipedia.org/wiki/Modula-2|Modula-2>, <https://en.wikipedia.org/wiki/OCaml|OCaml>, <https://en.wikipedia.org/wiki/Oberon_(programming_language)|Oberon>, <https://en.wikipedia.org/wiki/Pascal_(programming_language)|Pascal>, <https://en.wikipedia.org/wiki/PyPy|Python>, <https://en.wikipedia.org/wiki/Rust_(programming_language)|Rust>, <https://en.wikipedia.org/wiki/Scala_(programming_language)|Scala>, <https://en.wikipedia.org/wiki/Smalltalk|Smalltalk>, <https://en.wikipedia.org/wiki/TypeScript|TypeScript>, <https://en.wikipedia.org/wiki/Vala_(programming_language)|Vala>, and <https://en.wikipedia.org/wiki/Visual_Basic|Visual Basic>"+=" Kotlin"

All the new code in the compiler is already being written in Kotlin. It makes no sense to rewrite old Java files in Kotlin just because.

so becoming self-hosting is now a matter of release engineering and tooling rather than the code in the compiler now, iiuc