Some reforms were being pursued by the more enlightened szlachta, who wanted to expand the role of the Sejm at the monarch's and magnate faction's expense, and by the elected kings.
Mõningaid reforme hakkas tegema rohkemvalgustatud šlahta, kes tahtis laiendada seimi rolli monarhi ja magnaatide fraktsiooni ning valitud kuningate arvelt.