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```
releaseHeader('2017-09-02', '2.0.0-beta5', '2.0.0-beta4')
```
* Node 6 is now supported, and we will try to maintain that as the minimum required version for CoffeeScript 2 via the `coffee` command or Node API. Older versions of Node, or non-evergreen browsers, can compile via the [legacy browser compiler](./browser-compiler-legacy/coffeescript.js).
* The command line `--output` flag now allows you to specify an output filename, not just an output folder.
* The command line `--require` flag now properly handles filenames or module names that are invalid identifiers (like an NPM module with a hyphen in the name).
* `Object.assign`, output when object destructuring is used, is polyfilled using the same polyfill that Babel outputs. This means that polyfills shouldn’t be required unless support for Internet Explorer 8 or below is desired (or your own code uses a feature that requires a polyfill). See [ES2015+ Output](#es2015plus-output).
* A string or JSX interpolation that contains only a comment (`"a#{### comment ###}b"` or `<div>{### comment ###}</div>`) is now output (`` `a${/* comment */}b` ``)
* Interpolated strings (ES2015 template literals) that contain quotation marks no longer have the quotation marks escaped: `` `say "${message}"` ``
* It is now possible to chain after a function literal (for example, to define a function and then call `.call` on it).
* The results of the async tests are included in the output when you run `cake test`.
* Bugfixes for object destructuring; expansions in function parameters; generated reference variables in function parameters; chained functions after `do`; splats after existential operator soaks in arrays (`[a?.b...]`); trailing `if` with splat in arrays or function parameters (`[a if b...]`); attempting to `throw` an `if`, `for`, `switch`, `while` or other invalid construct.
* Bugfixes for syntactical edge cases: semicolons after `=` and other “mid-expression” tokens; spaces after `::`; and scripts that begin with `:` or `*`.
* Bugfixes for source maps generated via the Node API; and stack trace line numbers when compiling CoffeeScript via the Node API from within a `.coffee` file.
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