At least it seems like it might be temporary: > Apple says APFS will not be supported on Fusion Drives "in the initial release of macOS High Sierra," which sug

At least it seems like it might be temporary: > Apple says APFS will not be supported on Fusion Drives "in the initial release of macOS High Sierra," which suggests support could be added for Fusion Drives at a later date after lingering bugs are worked out.