The new Mac OS X 10.10 (called Yosemite) improves the stability, compatibility, and security. Especially Wi-Fi reliability, connection to email service providers, remote connection, Notification Center, App Store, Time Machine and handling of texts in Japanese became better.
Apple Safari 8 on OS X 10.10 is now released for NetWeaver 7.02 SP 16, 7.30 SP13, 7.31 SP14, 7.40 SP09.
For restrictions and further details see: