scverse / scverse/spatialdata

Dask 2026.1.2 breaks ome-zarr-py support

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Python
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4d 3h
Merged PRs (30d)
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Description

The latest dask changes some parameter names and is not supported by ome-zarr-py. Since we depend on ome-zarr-py, we need to put an upper bound on dask until this is addressed.

CC @melonora

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the project's dependency configuration and the ome-zarr-py dependency. Check the supported dask range against the parameter-name incompatibility described in the issue, then verify that the upper bound prevents installation of Dask 2026.1.2 while retaining ome-zarr-py support.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data
Issue type
Bug
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
68/100

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