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The 10.13.4 update added support for external graphics processors for Macs equipped with Thunderbolt 3 ports. The ability to lock screen using a menu bar shortcut activated in Keychain Access preferences has now been removed. The screen can now be locked using the shortcut Cmd+Ctrl+Q. Ĭaching Server, File Sharing Server, and Time Machine Server, features that were previously part of macOS Server, are now provided as part of the OS. The FTP and telnet command line programs were removed. The time service ntpd was replaced with timed for the time synchronization. The Low Battery notification and its icon were replaced by a flatter modern look. Kernel extensions ('kexts') will require explicit approval by the user before being able to run. HEVC hardware acceleration requires a Mac with a sixth-generation Intel processor or newer (late 2015 27-inch iMac, mid 2017 21.5-inch iMac, early 2016 MacBook, late 2016 MacBook Pro or iMac Pro). In addition, audio codecs FLAC and Opus are also supported, but not in iTunes. However, whenever an Intel IGP is present, the frameworks will only direct requests to Intel IGP.

#Sierra download the last version for ipod full

Macs with the Intel Kaby Lake processor offer hardware support for Main 10 profile 10-bit hardware decoding, those with the Intel Skylake processor support Main profile 8-bit hardware decoding, and those with AMD Radeon 400 series graphics also support full HEVC decoding. MacOS High Sierra adds support for High Efficiency Video Coding (HEVC), with hardware acceleration where available, as well as support for High Efficiency Image File Format (HEIF). The system's windowing system, Quartz Compositor, supports Metal 2. It includes virtual-reality and machine-learning features, as well as support for external GPUs. Metal, Apple's low-level graphics API, has been updated to Metal 2. It also has built‑in encryption, crash‑safe protections, and simplified data backup on the go. It supports 64‑bit inode numbers, is designed for flash memory, and is designed to speed up common tasks like duplicating a file and finding the size of a folder's contents. System Apple File System Īpple File System (APFS) replaces HFS Plus as the default file system in macOS for the first time with High Sierra. The default desktop picture is an image of North Lake in the High Sierra region.

#Sierra download the last version for ipod install

This requires using a patch to modify the install image. It is possible to install High Sierra on many older Macintosh computers that are not officially supported by Apple.

MacOS High Sierra requires at least 2 GB of RAM and 20.12 GB of available disk space. MacOS High Sierra is the final version of macOS to support the Unibody iMac and the Polycarbonate Unibody MacBook, as its successor, macOS Mojave, drops support for the late 2009 and final models.Īll the Macs supporting macOS Sierra support macOS High Sierra. Among the apps with notable changes are Photos and Safari.

This makes it similar to previous macOS releases Snow Leopard, Mountain Lion and El Capitan. Its name signified its goal to be a refinement of the previous macOS version, macOS Sierra, focused on performance improvements and technical updates rather than features. The name 'High Sierra' refers to the High Sierra region in California. macOS High Sierra was announced at the WWDC 2017 on J and was released on September 25, 2017. MacOS High Sierra (version 10.13) is the fourteenth major release of macOS, Apple Inc.'s desktop operating system for Macintosh computers.