It looks like that back button component is only in 3.12 and above. It was part of bug 1993824. Does cherry-picking the non-linkchecker parts of commit d24be693ca3b728acf0cb79f8be95108abb5717f get you further, Blake?
It looks like that back button component is only in 3.12 and above. It was part of bug 1993824. Does cherry-picking the non-linkchecker parts of commit d24be693ca3b728 acf0cb79f8be951 08abb5717f get you further, Blake?