After the release of the new operating system macOS Sierra Apple released Safari 10 for OS X Yosemite and OS X Yosemite. It contains a number of features of the new browser for macOS Sierra and is designed for users who are not planning to install a new operating system.
10 Safari for OS X Yosemite and Yosemite is available for download via the standard update mechanism. It has a support extension from the Mac App Store, now you can download them from a branded Apple store as a normal app.
Among other innovations, the Safari 10, the developers say the new bookmark and history, improved AutoFill from contacts, the ability to reopen recently closed tabs, an improved ranking of most visited sites tab of the web inspector, switch to HTML5 instead of the outdated plugins.
In the presence of HTML5 video displays this format is to speed up loading, battery saving and more security. Plugins are generally run only for allowed web sites.
While Safari 10 includes all of the features available in the browser macOS Sierra. In particular, previous generation operating systems not available function “picture-in-picture and web version of Apple Pay.