This week the new Chrome and Mozilla versions are available for release and a great article about how to use headless chrome on osx and why you should try to use it.

Firefox 53, available today, includes the following key new features and enhancements.

https://hacks.mozilla.org/2017/04/firefox-53-quantum-compositor-compact-themes-css-masks-and-more/

Chrome 58 The IndexedDB 2.0 standard is now fully supported in Chrome, and features new schema management, bulk action methods, and more standardized handling of failures.

https://developers.google.com/web/updates/2017/04/nic58

How to install and use Headless Chrome on OSX. Headless mode in Chrome is a new way to interact with websites without having to actually have a window up on the screen.

https://hacks.mozilla.org/2017/04/firefox-53-quantum-compositor-compact-themes-css-masks-and-more/