2023-10-24, Version 21.1.0 (Current), @targos Notable Changes Automatically detect and run ESM syntax The new flag --experimental-detect-module can be used to automatically run ES modules when their syntax can be detected. For “ambiguous” files, which are .js or extensionless files with no package.json with a type field, Node.js will parse the file to detect ES module syntax; if found, it will run