"Mozilla today released the Firefox 45 Web browser, which provides users with incremental feature updates and security fixes.Source: eWeek
"Among Firefox 45's new features are improvements to the Firefox Hello communication tool that first debuted in the Firefox 34 release in 2014. With the update in Firefox 45, Mozilla is now providing users with the ability to share the tab they are viewing when a conversation starts. While Firefox Hello has been in the stable release of the Firefox Web browser since 2014, Mozilla still labels the feature as a beta technology. ..."
Mozilla Firefox 45 Removes Tab Groups, Provides Security Updates