The article discusses how Italian administrative law has changed over the past twenty years. It looks at how the sources, actors, and instruments in administrative law have evolved. In the past, administrative law aimed to strengthen the State, but now there is a shift towards a more efficient and accountable public administration. The changes include a shift from autonomy to derogation from private law, a mix of public and private entities in administrative law, and a move from unilateral decisions to agreements and contracts.