The evolving cluster cores: Putting together the pieces of the puzzle S. Molendi, S. De Grandi, M. Rossetti, I. Bartalucci, F. Gastaldello, S. Ghizzardi and M. Gaspari A&A, 670 (2023) A104 Published online: 13 February 2023 DOI: 10.1051/0004-6361/202243421