On the venerable rec.arts.comics.strips, Horace LaBadie said,
"The March 17, 2020 strip is a rerun of the June 27, 2013 strip, for those who obsess over such things. There might possibly be a few more.
It is apparently a problem with someone missing some deadlines. (Can I vague that up a little more, or what?)"
Today's is a repeat too. I'm not sure if Horace is co-writer Gene Weingarten or artist David Clark. I probably knew once. Coronavirus' fault I'm sure.