With Xcode 10.2, I could select the "Authors" view, then select a previous git revision to blame from the bottom picker:
But with Xcode 11 beta, when I select the "Authors" view, I'm unable to select a past revision to blame because the picker is missing:
Was that feature removed, or are there new steps to do to blame the lines of code for a past revision? To illustrate it even more, I'd like to see in Xcode 11 a past Blame like GitHub does when you blame a specific previous revision.