v4.2.0
Preparing Spark release v4.2.0-rc6
[MINOR][DOCS] Update doc `sql/README.md`
[SPARK-40735] Consistently invoke bash with /usr/bin/env bash in scripts to make code more portable
[SPARK-55063][SQL][DOCS] Reorganize built-in functions documentation by category
[SPARK-50608][SQL][DOCS] Fix malformed configuration page caused by unclosed tags
[SPARK-56813][DOCS] Refine the documentation for geospatial types and functions