0.18.3: New Advanced course bundled — AI Personalisation at Scale

What shipped

• •New guide: AI personalisation architecture — the four-layer stack (events, profile, content, activation) that decides whether AI personalisation moves revenue.
• •New guide: Predictive models in lifecycle — when to use ESP-native (Predictive Suite, Iterable Brain, Klaviyo Predictive) vs custom warehouse-trained models.
• •New guide: Generative AI for lifecycle content — the three modes (acceleration, approved variant rotation, real-time generation), governance, and what doesn't ship to users without review.
• •New guide: Measuring AI personalisation lift honestly — holdout discipline, why opens are corrupted by Apple MPP, and the readout that survives a CFO.