...It’s able to run on Windows, GNU Linux and macOS. It is compatible ONLY with GNU Emacs 26.1 and above. In general you’re advised to always run with the latest stable release, currently 28.2. Supports multiple programming languages, C/C++/Object-C/C#/Java, Python/Ruby/Perl/PHP/Shell/Powershell/Bat, JavaScript/Typescript/JSON/YAML, HTML/CSS/XML, and Golang/Swift/Rust/Dart/Elixir.