v4.1.2
[SPARK-48809][PYTHON][DOCS] Reimplemented `spark version drop down` of the `PySpark doc site` and fix bug
[SPARK-53643][DOCS] Add Arrow UDF to debugging and user guide
[SPARK-54194][CONNECT][FOLLOWUP] Spark Connect Proto Plan Compression - Scala Client
[SPARK-53696][PYTHON][CONNECT][SQL] Default to bytes for BinaryType in PySpark
[SPARK-54785][SQL] Add support for binary sketch aggregations in KLL
[SPARK-56344][PYTHON][DOCS][4.1] Fix outdated PyArrow minimum version in arrow_pandas.rst
[SPARK-54323][PYTHON] Change the way to access logs to TVF instead of system view
[SPARK-51802][PYTHON][DOCS] OSS PySpark User Guide Docs
[SPARK-54503][PYTHON][DOCS] Include `pyspark.pipelines` in API reference