Published onAugust 14, 2025IAB Content Taxonomy 2.2 → 3.0: Expanded Media, Richer Mapping, and Descriptive Vectorsiabiab-taxonomycontent-taxonomyadtechcontextual-targetingtaxonomy-mappingcategory-migrationdescriptive-vectorsAn in-depth guide to migrating from IAB Content Taxonomy 2.2 to 3.0 — with expanded CTV, podcast, game, and app categories, richer news classification, and a detailed taxonomy mapping strategy using descriptive vectors.