List Some of the Features of MacOS Sierra and MacOS

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The Answer is macOS Sierra (version 10.12) and macOS High Sierra (version 10.13) are two versions of Apple's desktop and server operating system for Macintosh computers. Each version brought new features and improvements over the previous ones. Here are some of the key features introduced in each:

**macOS Sierra (10.12)** - Released in 2016:

1. **Siri on Mac**: Sierra was the first macOS to bring Siri, Apple's virtual assistant, to the Mac, allowing users to use voice commands for tasks like searching for files, checking the weather, and controlling smart home devices.

2. **Universal Clipboard**: This feature allowed users to copy content on one Apple device and paste it on another, provided both devices were signed into the same iCloud account.

3. **Auto Unlock with Apple Watch**: Users could automatically unlock their Mac when wearing an authenticated Apple Watch, eliminating the need to type in a password.

4. **Apple Pay on the Web**: This allowed users to make secure Apple Pay payments in Safari on the Mac.

5. **Optimized Storage**: Sierra introduced tools to help users free up storage space by storing rarely used files in iCloud and reminding users to delete used app installers.

6. **Picture in Picture**: Users could float a video window from Safari or iTunes over their desktop or a full-screen app.

7. **Tabs in Apps**: Many apps, not just web browsers, could use tabs for managing multiple windows within a single window.

8. **Messages Enhancements**: The Messages app received updates including richer links and the ability to preview videos and websites within the app.

9. **iCloud Drive and Desktop Sync**: Users could access their Desktop and Documents folder on any Mac, iOS device, or even PC via iCloud.

**macOS High Sierra (10.13)** - Released in 2017:

1. **Apple File System (APFS)**: High Sierra introduced the new APFS, which replaced the previous HFS+ file system, providing improved performance, security, and reliability.

2. **High-Efficiency Video Coding (HEVC, H.265)**: Support for the new video standard that offers up to 40% better compression than the previous H.264 standard.

3. **Metal 2**: The updated graphics technology provided better performance, machine learning capabilities, and support for virtual reality content creation.

4. **External Graphics Support**: Users could connect an external GPU via Thunderbolt 3 for improved graphics performance.

5. **Photos App Enhancements**: The Photos app received a new sidebar, improved organization and editing tools, and better integration with third-party apps.

6. **Safari Improvements**: Safari in High Sierra included speed enhancements, better privacy features like Intelligent Tracking Prevention to block cross-site tracking, and automatic blocking of autoplay videos.

7. **Mail App Enhancements**: The Mail app got a new split view for composing emails and used 35% less disk space for storing mail.

8. **Notes App Enhancements**: The Notes app allowed for pinned notes and simple table creation.

9. **Spotlight Enhancements**: Spotlight search could provide flight status information.

These features and improvements in macOS Sierra and macOS High Sierra aimed to enhance the overall user experience, performance, and security of Mac computers.

List Some of the Features of MacOS Sierra and MacOS

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