It would be really nice if something said what the actual problem was.

The last commit[0] is a fix for date parsing to bring it in line with the GNU semantics, which seems like a pretty good candidate.

Edit: Or not, see evil-olive's comment[1] for a more likely candidate.

0: https://github.com/uutils/coreutils/commit/0047c7e66ffb57971...

1: https://news.ycombinator.com/item?id=45687743