Ever since 2.17.0, when saving a patch (using add --patch but probably other ways as well), if the whitespace is removed from the initial column, the patch doesn't apply.
Full walkthrough (including comparison with 2.16.3) in the video attached to this link: https://www.dropbox.com/s/s1ophi4mwmf9ogv/git-add-patch-whitespace-bug.mp4?dl=1
