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High Sierra includes High Efficiency Video Encoding (HEVC, AKA H.265), which preserves better detail and color while also introducing improved compression over H.264 (MPEG-4 AVC). Most of us won’t notice these improvements, but we’ll benefit from better, faster, and safer file handling, which I think all of us can appreciate. Many of these improvements, including enhanced performance, security, and reliability of data will provide immediate benefits to users, while others provide a foundation for future storage innovations and will require work by Apple and third parties to support in their products and services. We went into detail about the enhancements and improvements that APFS has over the previous file system, HFS+, in an earlier post. Apple touts APFS as a new file system optimized for Flash/ SSD storage and featuring strong encryption, better and faster file handling, safer copying and moving of files, and other improved file system fundamentals. It’s already in iOS: now High Sierra brings APFS to the Mac.

Under the Hood of High Sierra Apple File System (APFS)Īpple has been rolling out its first file system upgrade for a while now. We’ll cover both the inner and outer improvements coming in this new OS. Its major focus is on improving the base OS with significant improvements that will support new capabilities in the future in the file system, video, graphics, and virtual/augmented reality.īut don’t despair there also are outward improvements that will be readily apparent to everyone when they boot the OS for the first time. High Sierra, as the name suggests, is a follow-on to the previous macOS, Sierra. To make that easier, Backblaze offers this macOS High Sierra upgrade guide.

You want your data to be safe from unexpected problems that could happen in the upgrade.

A new OS from Apple is exciting, But please, before you upgrade, we want to remind you to back up your Mac. It’s a free upgrade, and millions of Mac users around the world will rush to install it.

On Tuesday, we learned we don’t have long to wait-the new OS will be available on September 25. Apple introduced macOS 10.13 High Sierra at its 2017 Worldwide Developers Conference in June.