APFS – A Backup Software Developer’s Perspective
"So, before installing 10.13, I started off by googling for any problems experienced by people installing and upgrading filesystems during the process using the public betas. To my surprise there were none."Well, my quick visit to developer discussions forum at Apple website related to macOs Beta quickly revealed a lot of people with the problems. It seems like the author didn't look too far:https://forums.developer.apple.com/community/beta/macos-1013...