Parquet
Datagrunt 4.5.2: Controllable Data Profiling with Custom Sample Sizes
Datagrunt 4.5.2 introduces custom row sampling sizes via the new n_rows parameter on get_sample() for CSV, Excel, and Parquet readers, alongside major fixes to the automated documentation and blog release pipeline.
July 13, 2026
Datagrunt 4.3.0: First-Class Parquet Reading and Writing
Datagrunt 4.3.0 adds ParquetReader and ParquetWriter — read Parquet files into DataFrames, dicts, Arrow, or SQL, and export them to CSV, JSON, JSONL, Excel, or Parquet, with compression passthrough.
June 26, 2026