This graphic and title were published by The New York Times in two articles separated by eight days.
Ukraine's Counteroffensive Has Made Progress. But It Has Much Farther to Go (2023-09-20)
How the Front Line Has Barely Moved in Ukraine this Year (2023-09-28)
spoiler
This javascript bs sure makes for shitty snapshots, but I refuse to link directly to the NYT. 
looks like a feature on a weather map know as weather fronts, when it has alternating red and blue bumps like that it's called a "Stationary Front"
We'll have an eighty percent chance of artillery shells tomorrow.