master
[SPARK-58547][CONNECT] Expose operation IDs for end-to-end request attribution
[SPARK-57977][PYTHON] Remove obsolete encoding declarations from Python files
[SPARK-55986][PYTHON] Upgrade black to 26.3.1
[SPARK-58161][PYTHON] Standardize PySpark UDF row count mismatch error to use RESULT_ROWS_MISMATCH
[SPARK-57978][PYTHON] Use explicit UTF-8 encoding in text-mode I/O to prepare for PEP 686