The 5th edition of the Class Actions Law Review is out! We are very happy to have again contributed along with a panel of international experts to this very practical and comprehensive guide to class and collective actions regimes worldwide. This publication offers important insights into the law and practice in the world's most important jurisdictions, from preliminary filing considerations to settlement, costs and funding, cross-border issues and much more. In the chapter dedicated to Belgium, Hakim Boularbah and Maria-Clara Van den Bossche present an in-depth analysis of the procedural dimension, the key developments and the main factors in play in Belgium as regards collective actions.