Firefox 39 released

Firefox 39 has been releasedfor both desktop and mobile systems. The new features include a socialsharing tool for the FirefoxHello video chat subsystem. It is designed to make it easier toshare Firefox Hello chat invitations over third-party socialnetworks. In addition, Firefox's existing phishing-and-malwaredetection tool has been extended to cover downloads, support has beenadded for Unicode 8.0's multi-ethnic emoji characters, and there isimproved support for the Accessible Rich Internet Applications (ARIA) standard.