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. 
Truly achieving World War 1 levels of movement
I'm sure Russia could move forward in some places, but they don't need to. At this point all they need to do is win the war of attrition and keep their defensive positions (which is obviously much easier than attacking). Ukraine will come to them anyway.