Zarr Python Overview Zarr is a Python library for storing large N-dimensional arrays with chunking and compression. Apply this skill for efficient parallel I/O, cloud-native workflows, and seamless integration with NumPy, Dask, and Xarray. Current upstream: zarr 3.2.1 (PyPI, May 2026). Docs: zarr.readthedocs.io. New arrays default to Zarr format 3 ; set for legacy interop. This skill is a community guide maintained by K-Dense Inc., not an official zarr-developers package. Quick Start Installation Requires Python 3.12+ (per PyPI metadata for zarr 3.2.x). For remote stores (S3, GCS, HTTP): Pin…