Very likely on the poster imho.
King Gizz, Black Lips, Dinosaur Jr., Parquet Courts, IDLES, King Krule, Viagra Boys all played this year. No other alternatives left 😆
I don't believe that there are any substantial news for PS 2022 until Primavera Weekender 2021 is finished.
I'd guess marketing campaingns start again in 2022.