Sierra 10.13 (17a365): Macos High

: Optimized storage by using up to 35% less disk space and introduced "Top Hits" in search results to surface the most relevant emails. Technical Specifications

: Improved JavaScript performance by 80% and introduced Intelligent Tracking Prevention to block cross-site tracking. It also added the ability to disable auto-playing videos globally or on a per-site basis. macOS High Sierra 10.13 (17A365)

: Added native support for HEVC (High-Efficiency Video Coding) and HEIF (High-Efficiency Image File Format) , which improved data compression without sacrificing quality. Key Application Updates : Optimized storage by using up to 35%

The technical requirements for 10.13 remained consistent with macOS Sierra. macOS High Sierra 10.13 (17A365)