Specifications# Zarr storage specification version 3 (under development) Zarr storage specification version 2 Status Storage Arrays Metadata Data type encoding Fill value encoding Chunks Filters Hierarchies Logical storage paths Groups Attributes Examples Storing a single array Storing multiple arrays in a hierarchy Changes Version 2 clarifications Changes from version 1 to version 2 Zarr storage specification version 1 Status Storage Metadata Data type encoding Chunks Attributes Example