Voyager 2 has entered interstellar space.
Where the two trips can be compared, however, instruments have shown how uneven that journey can be. Voyager 1 ran into flux tubes that created dynamic data, which Voyager 2 has not flown through. But the second probe has seen a strange bump in some of the data. "We haven't yet sorted out what these features are," Stone said.
It's Official! NASA's Famed Voyager 2 Spacecraft Reaches Interstellar Space
https://www.space.com/42680-voyager-2-reaches-interstellar-space.html