v1.20.1

• Fix Browser.close() error

v1.18.0

• Update Chromium to version 84
• Add Mouse.wheel

v1.17.0

• Update Chromium to version 81
• Revert change to uploadFile implementation.

v1.16.1

Fix a bug with the new uploadFile implementation.

1.15.1

• Expose ClientError class
• (internal) Revert previous change in jsHandle.uploadFile

1.15.0

• Add element.select and element.evaluate for consistency
• Prepare jsHandle.uploadFile for CDP Page.handleFileChooser removal
• Enable more lints

1.14.1

• Export class Target in puppeteer.dart

1.14.0

• Add Page.emulateTimezone and Page.emulateMediaFeatures
• Deprecate Page.emulateMedia in profit of Page.emulatedMediaType
• Fix a "Concurrent modification error" when navigating from a page with iframes.

1.13.0

• Fix a NullPointerException in NetworkManager
• (internal) Add more tests for headful mode
• (internal) Remove all implicit casts (preparation for nnbd)

1.12.0

• Fix bug in puppeteer.connect()
• Add the same capabilities that pupeeteer Node.JS to puppeteer.launch for the management of the flags passed to Chromium.
• Add userDataDir to puppeteer.launch to allow managing the user data directory.
  By default, we now use a temporary data directory in the system temp folder.
• Add more tests for launching and connecting to chromium