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The field axes of multiscales in OME-NGFF changed from v3.0 to v4.0.

In 3.0 axes was an array of strings like ["c", "z", "y", "z"] but in 4.0 it is an array of JSON objects:

• https://ngff.openmicroscopy.org/latest/#axes-md
• 3.0: https://github.com/ome/ngff/blob/main/0.3/schemas/image.schema#L36
• 4.0: https://github.com/ome/ngff/blob/main/0.4/schemas/image.schema#L112

Preferred solution

Support the v4.0 schema for multiscales in a way that is backwards compatible

Changes needed at least in these places

• https://github.com/hms-dbmi/viv/blob/master/src/loaders/zarr/lib/utils.ts#L73
• https://github.com/hms-dbmi/viv/blob/master/src/types.ts#L41