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Read grouped Zarr datasets #894

Description

@davidhassell

It would be very nice to be able to read, with cf.read, Zarr datasets that contain a group hierarchy.

#863 implemented the reading of Zarr datasets, but only those with no group structure (i.e. only the root group).

Zarr v2 (xarray-style) and Zarr v3 will be supported.

This will almost entirely implemented in cfdm (NCAS-CMS/cfdm#355), and inherited from there.

Activity

  1. added this to the NEXTVERSION milestone on Jan 8, 2026
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    dataset readRelating to reading datasetsenhancementNew feature or requestzarrRelated to Zarr datasets

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