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Learn about the latest features and best practices in Pydantic v2 through this conference talk from PyBay 2023. Explore new APIs, including support for PEP 593's `Annotated` and PEP 695's `TypeAliasType`, while gaining insights into type-safe data validation. Discover how Pydantic v2 integrates with Python's type system and examine the framework's internal architecture, including its innovative use of Rust and how it effectively functions as a compiler by translating type hints and user-defined logic into a DAG of computations. Delivered at the San Francisco Bay Area's regional Python conference, which brings together Python developers for deep technical discussions and community building.