Apple on Monday released several updates for its various platforms. iOS 10.2.1 is out for iPhones and iPads, tvOS 10.1.1 for fourth-gen Apple TVs, watchOS 3.1.3 for Apple Watches, and macOS Sierra 10.12.3 for Macs. All of the updates can be installed via their respective OTA mechanisms, or you can grab the standalone packages from our Downloads page.
macOS Sierra 10.12.3
The latest beta of macOS Sierra 10.12.3 provides a brand new display brightness energy saving recommendation for extending battery life under the Battery menu bar item, MacRumors has discovered. It appears in macOS Sierra 10.12.3 beta 4 when display brightness is set above the 75 percent mark.
Apple on Thursday seeded a fourth beta of what would become the third major software update to macOS Sierra since its public launch last fall. macOS Sierra 10.12.3 beta 4 (build 16D30a) is now available on Mac computers that have a prior Sierra beta installed via the Software Update mechanism in the Mac App Store's Updates tab.
Apple on Tuesday seeded to members of the Apple Developer Program a second beta of iOS 10.2 and a second beta of what would become the third major update to macOS Sierra. iOS 10.2.1 beta 2 (build 14D15) and macOS Sierra 10.12.3 beta 2 (build 16D17a) are now available to install over-the-air via Settings → General → Software Update on iOS devices and under the Mac App Store's Updates tab on the Mac.
After seeding iOS 10.2.1 beta 1 and macOS Sierra 10.12.3 beta 1 to members of the Apple Developer Program yesterday, Apple today released versions of these software updates for public beta-testing. If you sign up at the Apple Beta Software Program website to become a beta tester and install an appropriate configuration profile on your device, you too will be able to install the first beta of macOS Sierra 10.12.3 on your Mac and take iOS 10.2.1 for a spin on your iPhone, iPad and iPod touch.
Following yesterday's public releases of iOS 10.2, macOS Sierra 10.12.2, watchOS 3.1.1 and tvOS 10.1, Apple on Thursday seeded to its registered developers first betas of what would become minor software updates in the form of iOS 10.2.1 beta 1 (build 14D10), macOS Sierra 10.12.3 beta 1 (build 16D12b) and tvOS 10.1.1 beta 1 (build 14U707). These betas are available via Apple's portal for developers and can be installed over the air on devices with an appropriate configuration profile installed.