ICLR 2026 (Rio de Janeiro) received 19,797 valid submissions — a 70% increase from 2025, shattering all previous records. LLM-related papers now represent over 20% of all submissions, reflecting a paradigm shift from building models to governing and applying them. Key research themes include autoformalism, causality, diffusion models, and responsible AI. The surge mirrors the industry's explosive growth and academic interest in foundation model applications.