Safari 9 introduced several "quality of life" improvements that brought it more in line with competitors like Chrome:
The Safari Reader received new fonts and background themes (such as Sepia and Night mode) to improve the reading experience. System Compatibility safari 9 release date
This version allowed users to stream video directly from a web page to an Apple TV without sharing their entire desktop. Safari 9 introduced several "quality of life" improvements
Safari 9 was officially released to the public on . safari 9 release date
Release Date Analysis: Safari 9 Prepared for: General Inquiry Date: [Current Date] Subject: Official release timeline of Safari 9 for OS X and iOS