> In High Sierra they painlessly replaced the filesystem. Except that a colleague of mine who was adventurous enough to try it lost all the data. That stopped

> In High Sierra they painlessly replaced the filesystem. Except that a colleague of mine who was adventurous enough to try it lost all the data. That stopped any one of us from upgrading (fortunately, if I may say so). (it might be due to encryption, but it doesn't matter - the "painless" part is clearly not for everybody)