This is Duchess.
This is what happens when Duchess tries to jump in your lap while you're knitting.
Fortunately, I was able to re-tension the affected row.
I am thisclose to being finished with the Bavarian Jacket, except I need to rip the sleeve back a bit to put the elbow shaping in the same place as the other sleeve. I should have counted the garter ridges to make sure it matched up, but I just held the sleeves together and eyeballed it, and now it's off by a good inch.