if (latestOfPreviousMajor.getRevision() == 0) {
            // if the previous major is a x.y.0 release, then the tip of the minor before that (y-1) is also unreleased
            final Version previousMinor = getLatestInMinor(latestOfPreviousMajor.getMajor(), latestOfPreviousMajor.getMinor() - 1);
            if (previousMinor != null) {
                unreleased.add(previousMinor);
            }
        }