Add v + s/↓ to diff base against "right". Add v + w/↑ to diff "left" against "latest". Add v + a/← to diff base against "left" Add v + d/→ to diff "right" against latest The user is viewing diff of "left" against "right". "latest" is the most recent patchset created by the user. Change-Id: I86d61934e9132ac53f39c9ae88c49c46195b65c0