Case C-97/23 P: Judgment of the Court (Grand Chamber) of 10 February 2026 – WhatsApp Ireland v European Data Protection Board (Appeal – Protection of natural persons with regard to the processing of personal data – Regulation (EU) 2016/679 – Article 63 – Consistency mechanism – Article 65 – Dispute resolution by the European Data Protection Board – Binding decision – Action for annulment – First paragraph of Article 263 TFEU – Act open to challenge – Fourth paragraph of Article 263 TFEU – Condition that the measure against which the action has been brought must be of direct concern to the applicant)