CoffeeScript 2 could not have been possible without the generous contributions of the following people:

• Modules, thanks to @GeoffreyBooth.
• Classes output using ES2015 syntax, thanks to @connec.
• Async/await, thanks to @GabrielRatener.
• JSX is now supported (docs), thanks to @xixixao
• Object rest/spread properties are now supported (docs), thanks to @zdenko and @connec.
• Tagged template literals, thanks to @greghuc.
• Interpolated strings output as template literals (ES2015 backtick syntax), thanks to @greghuc.
• Arrow functions, function default parameters and function rest parameters output using ES2015 syntax, thanks to @GeoffreyBooth.
• ES2015 for…of, thanks to @atg.
• Line comments are now output, and block comments are now allowed anywhere, enabling static type annotations, thanks to @GeoffreyBooth
• Triple-backtick operator and escaped backticks in embedded JavaScript, thanks to @GeoffreyBooth.
• Destructuring output using ES2015 syntax, thanks to @connec and @GeoffreyBooth.
• Splats in arrays and function calls output using ES2015 syntax, thanks to @connec.
• Computed properties output using ES2015 syntax, thanks to @connec.
• Octal and binary literals output as-is, thanks to @JimPanic.
• get and set keywords now throw an error, preserving the option of supporting them as keywords in the future; thanks to @GeoffreyBooth.
• Polyfills and helpers were removed, thanks to @GeoffreyBooth and @connec.
• CoffeeScript is stricter about whitespace thanks to @eelco
• Literate CoffeeScript parses Markdown better thanks to @GeoffreyBooth.
• Refactored Cake tasks adding watch modes to building the compiler, thanks to @GeoffreyBooth.
• The CoffeeScript module can now be required in builds intended for non-Node environments such as those created by Webpack or Browserify, thanks to @akfish.
• Argument parsing for scripts run via coffee is improved, thanks to @cosmicexplorer. See breaking changes.
• The browser tests work again, thanks to @GeoffreyBooth.
• Redesigned docs for v2, thanks to @GeoffreyBooth.
• The v2 docs discuss our design decisions regarding let/const and get/set, as well as address why CoffeeScript in an ES2015+ world, thanks to @mrmowgli and @GeoffreyBooth.
• Bugs were fixed by @alangpierce, @shreeve, @JimPanic, @helixbass, @xixixao, @connec, @GeoffreyBooth and others.
• Also thanks for feedback from @lydell and @jashkenas.