Explore the redesigned pandas UDFs with type hints in Apache Spark 3.0 through this 22-minute technical talk from Databricks. Dive into the evolution of pandas UDFs, their importance for Python data science in Apache Spark, and how the new design leverages Python type hints to create more intuitive and 'Pythonic' user-defined functions. Learn about the benefits of this redesign, including clearer input and output definitions, easier static analysis, and improved consistency. Gain insights into the technical overview of pandas UDFs, iterators, use cases, and the Pandas Function API. Understand how these changes impact data science workflows and enhance the overall functionality of Apache Spark for Python users.