We added a new review overlap strategy: review all files personally, regardless of whether they've been reviewed by other users or in previous revisions. This new option joins the other two that were controlled by a checkbox, which has now been replaced by a much clearer dropdown.
The dropdown appears only if there's more than one reviewer, so many of you might never see it. The strategy you select is persistent, implicitly sets your default for future reviews, and won't impact other.
There are a total of three options to select from that will affect which files Reviewable will suggest for your review and automatically diff for you:
As part of this change, we've retired the old kludgy command nextPersonallyUnreviewedFile
that some of you may have bound to a keyboard shortcut, so you may need to update your bindings.