Source of the quote is this page: https://developer.apple.com/library/prerelease/content/documentation/FileManagement/Conceptual/APFS_Guide/UsingtheAppleFileSy

Source of the quote is this page: https://developer.apple.com/library/prerelease/content/documentation/FileManagement/Conceptual/APFS_Guide/UsingtheAppleFileSystem/UsingtheAppleFileSystem.html#//apple_ref/doc/uid/TP40016999-CH4-SW1 https://developer.apple.com/library/prerelease/content/docum... Releasing a new filesystem is already surprising. And they plan to open-source it. Huh.