Release v4.0.0 · puppeteer/puppeteerBreaking change: Puppeteer no longer uses Node’s EventEmitter library As part of our work to make Puppeteer agnostic of its environment we are removing the dependency on Node’s EventEmitter in favour of an event emitter that is not tied to Node. Under the hood we use Mitt, but we extend Mitt with additional functionality to match most of the methods that Node’s EventEmitter provides. The following
