v12.1.0

Added

• auto-detect special node flags node --eval and node --print when call .parse() with no arguments (#2164)

Changed

• prefix require of Node.js core modules with node: (#2170)
• format source files with Prettier (#2180)
• switch from StandardJS to directly calling ESLint for linting (#2153)
• extend security support for previous major version of Commander (#2150)

Removed

• removed unimplemented Option.fullDescription from TypeScript definition (#2191)