Earlier this year with iOS 10.3, Apple introduced a new file system called APFS to its iOS platform. This new file system was also expected to find its way to the company’s Mac computers in the macOS High Sierra update, which it still will, but unfortunately it seems that Mac owners who own computers with Fusion Drives won’t be able to take advantage of it.
Apple has confirmed that only Mac computers with all-flash drives will be able to use the new file system. It is strange considering that the public beta of macOS High Sierra did support the Fusion Drives, but for some reason it was later removed and not reimplemented, and this confirms that it will not be arriving just yet.
However as MacRumors points out, the wording on Apple’s website suggests that it could come at a later date, where the company said that APFS will not be supported on Fusion Drives “in the initial release of macOS High Sierra.” This is by no means a guarantee so if you do own a Mac computer with Fusion Drive, maybe don’t get your hopes up just yet.
In the meantime for those who took part in the beta program and need to convert back to HFS+, Apple has posted instructions on how to do so. macOS High Sierra has recently been confirmed for a release on the 25th of September.
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