Hardware acceleration on the new iMac and MacBook Pro delivers incredibly fast and power-efficient HEVC encoding and playback.With HEVC, Apple is enabling high-quality 4K video streaming on networks where only HD streaming was previously possible.
HEVC enables users to watch 4K video files at full quality, while requiring 40 percent less storage space than the current H.264 standard.HEVC (H.265) is a new industry standard that enables extremely efficient compression, streaming and playback of video.APFS currently supports every Mac with all‑flash internal storage - support for Fusion and HDD Mac systems will be available in a future update.Data is protected from power outages and system crashes thanks to advanced data integrity features.With APFS, common operations such as copying files and directories are nearly instantaneous.APFS brings support for the latest high-capacity storage devices and delivers enhanced performance, security and reliability.APFS is a new, advanced storage architecture providing an extensible foundation to support new features and future storage technologies on the Mac.“High Sierra introduces new technologies for VR, high-efficiency video streaming, advances in storage technology and more, while apps such as Photos, Safari, Mail and Notes are refined to give users even more reasons to love their Mac.” Apple File System (APFS)
“macOS High Sierra is an important update that makes the Mac more capable and responsive, while laying the foundation for future innovations,” said Craig Federighi, Apple’s senior vice president of Software Engineering.
Starting this week, Outlook for Mac beta testers (in the Fast Ring) will be able to. Next, select your USB drive in the Target Volume list, and click 'Start Operation.' Microsoft is bringing some much-needed improvements to its Outlook for Mac app. Open the 'macOS High Sierra Patcher' tool, and browse for your copy of the macOS High Sierra Installer App.Ensure that the tool successfully verifies the app. Do note that the beta version now available may not contain all the features, so if you want to upgrade for a specific feature, make sure it’s included. Now that you’ve decided that you cannot live without the new macOS 10.13 High Sierra, it’s time to thoroughly prepare for the upgrade. No matter which way you choose, always remember to back up your data before performing an upgrade. There are two ways to upgrade macOS: directly in Mac App Store, or upgrade using an USB device. If you are running OS X Lion (10.7.5) or later, you can upgrade directly to macOS High Sierra.