On this day, Apple released the fourth beta of what would be the first major software update for Sierra macOS after its public launch last month. The update is now available to members of the development program for Apple and beta testers who participate in the program betas of Apple.
10.12.1 Mac OS beta 4 came eight days after the release of its third beta and this update, more than anything, it focuses on bug fixes and performance improvements and do not include any new feature that is visible to the naked eye.
The latest version of beta 10.12.1 macOS has the number of 16B2548a compilation and is available as an automatic update via the Mac App Store and from the update mechanism included in Macs running an earlier beta Sierra macOS 10.12.1.
If you have an Apple developer account, you can also download macOS beta 10.12.1 4 Sierra from the Apple Developer Center.
When it came time to release the new version of the operating system, the general public, macOS Sierra 10.12.1 arrives will bring support for album of portraits in the photo application. The new album was made created to store photos taken in more depth, taking advantage of the characteristics of the dual lens camera iPhone 7 Plus.
The new operating system is characterized by providing support for Siri, where they can perform various tasks using voice commands, in addition to having a "universal portapaleles" that will give the opportunity for users to copy and paste files between devices Apple (iPhone, iPads, MacBooks, etc.), and a hybrid optimization file storage space, combining local hosting with cloud storage, among other interesting features.