macOS High Sierra 10.13 [GM candidate ver.13.0.61] [build 17A361a]
苹果公司在WWDC推出了iOS 11和macOS High Sierra 10.13，而在秋季之前，最终版本将不可用，而注册开发者beta测试程序的用户现在可以下载第一个测试版本。
macOS 10.13 High Sierra是苹果Mac系列的最新版本的macOS操作系统，它基于macOS Sierra中引入的功能，并引入了许多不足之处的改进。
macOS High Sierra采用MacOS Sierra首次推出的Apple File System（APFS），并已在iOS 10中实施。APFS是一款经过彻底改造的现代文件系统，针对固态存储进行了优化。
它具有本机加密功能，保护数据免受系统崩溃，并加快复制文件等操作。APFS与先前格式化的HFS驱动器和数据兼容，旨在满足未来存储技术的进步。
与APFS一起，macOS High Sierra支持HEVC（H.265），实现更高质量的视频流和4K视频文件的播放。HEVC视频文件比目前的H.264标准视频还要低40％，而在新的iMac和MacBook Pro上，HEVC支持将提供超快速和高效的编码和编辑。
Metal 2是Metal的下一代版本，具有改进的性能和精致的API，可实现新的图形功能。金属2还增加了对语音识别，自然语言处理和计算机视觉的支持，再加上Metal 2，苹果正在引入对外部GPU的支持。事实上，苹果公司甚至销售一个$ 599的外部图形开发工具包，为开发人员提供了为更强大的GPU优化应用所需的硬件和软件。它包括一个Thunderbolt 3外部PCI扩展机箱，USB-C集线器和AMD Radeon RX 580显卡。
macOS High Sierra旨在支持虚拟现实设备和虚拟现实软件，使开发人员能够在Mac上创建沉浸式游戏，3D和VR体验。Valve正在优化用于macOS的SteamVR平台，并支持HTC Vive耳机，Unity和Epic将VR开发工具带入Mac。今年晚些时候，FCPX将支持导入，编辑和导出360度视频。
除了旨在使MacOS更强大的所有内部功能外，新的操作系统还包括针对一系列应用程序的更新功能。
Safari阻止自动播放内容播放，并且有一个新的智能跟踪预防选项，使用机器学习来识别和删除广告客户用于跟踪用户的网络活动的跟踪数据。它不会影响广告，但它将允许Safari用户更多的隐私。阅读器的改进也将让Safari以干净，整洁的格式打开文章。
邮件正在获得Top Hits，它将最相关的电子邮件放在收件箱的顶部，Notes正在使用简单的表进行更新，这将使Mac用户键入单元格，编辑和移动行和列。
Siri在Mac上正在获得更自然和更有表现力的声音，而个人助理也可以学习音乐偏好，创建自定义播放列表，并回答音乐琐事，功能也来到新的HomePod扬声器。
macOS High Sierra中的Spotlight现在包括航班状态信息，并且随着对iCloud文件共享的更新，存储在iCloud驱动器中的任何文件都可以被其他用户共享和处理。
macOS High Sierra目前仅适用于开发人员。苹果计划在6月下旬发布公开测试版，软件将在秋季为所有用户免费发布。
macOS High Sierra时间表
综合最后更新
2017年
6月
6月6日
Macs能够运行macOS Sierra保持与高Sierra兼容
6月5日
苹果种子第一个测试版的macOS高Sierra开发商
2017年
5月
5月26日
macOS 10.13收藏：功能MacRumors读者希望在下一版本的macOS中看到
2017年
3月
3月7日
苹果公布了MacOS 10.13的首个公开招牌
Apple unveiled iOS 11 and macOS High Sierra 10.13 at WWDC, and while the final versions will not be available until the fall, users who are enrolled in the developer beta testing program can download the first beta releases now.
The first beta builds give developers an early look at some of the new features announced for the upcoming system software versions for Mac, iPhone, iPad, Apple TV, and Apple Watch.
Currently macOS High Sierra is only available to paying Apple developers, with a public beta coming in July. However for those of you who want to get their hands on it right now, you can do just that. You don’t need to be a paying to developer to install and use macOS High Sierra developer preview 1. All you need is the install file and a Mac to install it on. I would however not recommend installing this as your default operating system. It is best to install it within a virtual machine or on an external drive, due to the inevitable bugs you will run into.
1. Apple file system
The Apple file system (APFS) with improved performance is reliable and safe. The architecture is optimized for modern storage technologies designed for high capacity. APFS allows you to instantly perform daily activities, such as copying files or folders, ensures data integrity in the event of power outages and system failures, and also securely protects files using the built-in encryption. macOS High Sierra is fully compatible with previously formatted HFS disks for reading and writing and is created taking into account the further development of storage technologies.
2. Highly efficient video encoding
Support for the industry standard HEVC (H.265) allows you to play in normal and streaming mode 4K video files of excellent quality, occupying up to 40% less space than with the existing H.264 standard. Thanks to HEVC technology, Apple was able to provide high-quality video streaming over networks in which only HD video streaming was possible before. And with the hardware acceleration features on the new iMac and MacBook Pro, the HEVC editing and coding processes are fast and energy efficient.
3. Metal 2
Metal is the fastest way to use the capabilities of the Mac processor. Technology Metal 2 with an improved API and increased performance allows developers to make applications even faster. Now it supports the machine learning capabilities used for machine vision, speech recognition and natural language processing. The most demanding users will have access to external graphics processors through a combination of Thunderbolt 3 and Metal 2. The External Graphics Developer Kit provides developers with all the software and hardware capabilities needed to improve applications.
4. Virtual Reality
macOS High Sierra, based on the performance of Metal 2 and the new Mac, for the first time supports the creation of virtual reality content, so developers can create new games on the Mac, 3D content and virtual reality content. Leading companies specializing in virtual reality, in collaboration with Apple, are developing new tools for Mac that will be available later this year. For example, Valve optimizes the virtual reality platform SteamVR for macOS and provides support for the HTC Vive, while Unity and Epic customize their virtual reality content development tools for macOS. In addition, later this year in Final Cut Pro X will support professional streams of 360 degrees with the ability to import, install and export spherical video.
5. Mac application enhancements
In the Photos application, macOS High Sierra has a new sidebar with albums and sorting tools, which is always on the screen. The updated editing mode includes new powerful tools: "Curves" for fine-tuning the color and contrast and "Defined color" for changing the selected color. Live pictures can now be applied with funny effects, and the "Memories" function combines photos and video of the user in accordance with new themes. In the Photos application, external photo editors are now supported, so you can open Photoshop, Pixelmator and other applications directly from Photos, and the edits are saved in the Photos library. For the first time, thanks to the support of third-party extensions, users can print and publish images through the Animoto, ifolor, Shutterfly, WhiteWall and Wix services directly from the Photos application.
If you have a developer account, you can download macOS High Sierra beta right now.
Additional application enhancements:
• In Safari, you can automatically activate Reader mode and open articles in a convenient, concise way, and Autoplay Blocking blocks the automatic playback of audio media files in the browser.
• Intelligent Tracking Prevention in Safari uses machine learning techniques to locate and delete data that advertisers use to track user activity on the Internet.
• Search in Mail becomes faster and easier thanks to Top Hits: actual letters are at the top of the list.
• The Siri voice on the Mac has become more natural and expressive, and when using Apple Music, the voice assistant takes into account your preferences, creates suitable playlists and answers questions about music.
• In the Notes, simple tables have been added - now the user can type text in cells, edit tables and move rows and columns.
• In Spotlight you can find information about the flight, including arrival and departure times, flight delays, terminal or gate information and even a map of your flight.
• The iCloud File Sharing function allows you to share any file from iCloud Drive and opens up new collaboration opportunities.
Supported models:
• iMac (mid-2009 model or newer)
• MacBook Air (end-2010 model or newer)
• MacBook (model end of 2009 or newer)
• Mac mini (model beginning 2010 or later)
• MacBook Pro (2010 model or newer model)
• Mac Pro (2010 model or newer model)
Screenshot 软件截屏：
System requirements 系统要求：
- OS X 10.7 or Later
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