Parallelize location size calculation in Analyze Table command.Add fallback generator for UnsafeProjection.Support Hive 2.2 and Hive 2.3 metastore.Do not trigger any job for caching data.Support mixture of Python UDF and Scalar Pandas UDF.Use Arrow stream format for creating from and collecting Pandas DataFrames.Add Structured Streaming ForeachWriter for Python.User-defined window functions with Pandas UDF.User-defined aggregation functions with Pandas UDF.
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