Chrome 66 is a web browser developed by Google Inc, available for download in full install version for Windows platforms from legacy sources. This version of Chrome was officially released on 2018-04-17 for public access and a brief summary of important updates and change log pertaining to this edition can be read below.

Google Chrome 66.0.3359.181 was built on Blink 66 layout engine using JavaScript V8 engine version 6.6.346. This version is released for Windows, iOS and android versions and has number of fixes and improvements.

• CSS manipulation becomes easier with the new CSS Typed Model Object
  
• Access to the clipboard is now asynchronous
• There's a new rendering context for canvas elements
• TextArea and Select now support the autocomplete attribute
• Setting autocapitalize on a form element will apply to any child form fields, improving compatibility with Safari's implementation of autocapitalize
• trimStart() and trimEnd() are now available as the standards-based way of trimming whitespace from strings