## 1.18.0

Release Date: 2017-12-09

- Added support for "arrowParens" option. Configure formatting to include
  parentheses around a sole arrow function parameter. Requires Prettier v1.9+.

  See the Prettier "arrowParens" doc page for more info:
  https://prettier.io/docs/en/options.html#arrow-function-parentheses
