–== macOS Sierra Official Performance Review ==–
MacOS Sierra review: Design
Design-wise, macOS Sierra is virtually identical to its predecessor, El Capitan. The ‘flattened’ visuals brought in for Yosemite and retained in El Cap last year are still present; they weren’t popular at first but I think most of us have got used to them, just like we did a little earlier with iOS 7’s removal of skeuomorphic elements.
There are a couple of differences in the user interface, however. You can use tabs, for example, in a wide range of first- and third-party apps, rather than just Safari (and other web browsers). It’s a small enhancement but a highly logical one, and should make the bulk of commonly used apps noticeably more convenient to use for multitasking.
First-party apps that support tabs from launch include Maps, Mail, TextEdit and all three iWork apps. For third-party apps, Apple pledges that no additional developer work will be needed to achieve this – it just needs to be an app…