![]() Although a long and detailed document, developers quickly realised how incomplete it was, in spite of the long delay in its publication. ![]() This was also the time that the first version of the Apple File System Reference became available. On 24 September 2018, Apple released Mojave 10.14, at last with support for its Fusion Drives. ![]() Another problem which marred the introduction of APFS to all platforms was the refusal during beta-testing to incorporate Unicode normalisation this had to be resolved in release versions of macOS 10.13 and iOS 10, as explained here and here, although even now problems occur occasionally. Many of us anticipated that the problems with Fusion Drives would be fixed quickly, but APFS reached version 748.51.0 in 10.13.4 on 29 March 2018, and didn’t change version or capabilities until the release of Mojave that September. Snapshots were improved in 10.13.1 on 31 October, in APFS 748.21.6. Vulnerabilities were fixed in the Supplemental Update released less than two weeks after 10.13, which included changes to bring APFS to version 748.1.47. High Sierra had a stormy early release history, marred by a series of security gaffes. Snapshots were still wobbly, and it quickly became clear that APFS wasn’t going to perform well on rotating disks. The first release version, 748.1.46, which shipped with High Sierra 10.13, therefore suddenly dropped support for those, and went ahead and converted startup volumes on SSDs and hard disks. As we discovered when we upgraded to High Sierra, though, that was a far cry from what was to come, and never achieved any useful level of compatibility with it either.Īfter a promising period in beta-release, Apple discovered fundamental problems in support for its popular Fusion Drives. That ended its life in 10.12.6 as version 0.3, or, expressed in subsequent numbering, 249.7.6. MacOS Sierra already had a pre-release version for those who wanted to preview it. Had a significant percentage of conversions gone wrong, Apple would have had a disaster on its hands, particularly as it didn’t admit to doing this until WWDC just over two months later, when it announced that APFS was coming to macOS 10.13 High Sierra that September. When it rolled out iOS 10.3 that day, the installer silently converted the storage in each iPhone and iPad to the first release of Apple’s new file system, APFS. On 27 March 2017, Apple made one of its biggest corporate gambles.
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