Chrome 49 adds support for custom CSS properties. Service workers become even more powerful with the ability reliably send data with background sync. And the new save-data client hint header enables you to deliver fast and light applications to users who want them. Pete LePage has all the details and how you can use these new developer features in Chrome 49! CSS Custom Properties * developers.google.com/web/updates/2016/02/css-variables-why-should-you-care * drafts.csswg.org/css-variables/ * developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_variables Background Sync * developers.google.com/web/updates/2015/12/background-sync * github.com/WICG/BackgroundSync/blob/master/explainer.md Save Data Client Hint * developers.google.com/web/updates/2016/02/save-data Deprecations in Chrome 49 * developers.google.com/web/updates/2016/02/chrome-49-deprecations Subscribe to the Google Developers channel here: goo.gl/WkxCU5