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Make <code>auto</code> sharding configurable by memory size

Status: Open.

#3568 In zarr-developers/zarr-python;

·ilan-gold openedon Nov 5, 2025

Monthly issue metrics report

Status: Open.

#3563 In zarr-developers/zarr-python;

·github-actions openedon Nov 1, 2025

Wrong array write when writing chunked array from numpy string data with "F" order

bugPotential issues with the zarr-python libraryPotential issues with the zarr-python library

Status: Open.

#3558 In zarr-developers/zarr-python;

·dtonagel openedon Oct 28, 2025

Unknown codec: 'zarr.codecs.numcodecs.PCodec'

bugPotential issues with the zarr-python libraryPotential issues with the zarr-python library

Status: Open.

#3548 In zarr-developers/zarr-python;

·crisbodnar openedon Oct 25, 2025

fixed length subtype recarray + "auto" shards crashes

bugPotential issues with the zarr-python libraryPotential issues with the zarr-python library

Status: Open.

#3546 In zarr-developers/zarr-python;

·ilan-gold openedon Oct 24, 2025

DOC: mkdocs migration + intersphinx broken (seeminly)

documentationImprovements to the documentationImprovements to the documentation

help wantedIssue could use help from someone with familiarity on the topicIssue could use help from someone with familiarity on the topic

Status: Open.

#3542 In zarr-developers/zarr-python;

·ilan-gold openedon Oct 23, 2025

some improvements to our configuration model

Status: Open.

#3538 In zarr-developers/zarr-python;

·d-v-b openedon Oct 22, 2025

Storage option that supports concurrent writes to a single local file?

Status: Open.

#3525 In zarr-developers/zarr-python;

·5xx7xx openedon Oct 15, 2025

Array indexing with Zarr 3 is noticeably slower than with Zarr 2

bugPotential issues with the zarr-python libraryPotential issues with the zarr-python library

Status: Open.

#3524 In zarr-developers/zarr-python;

·b8raoult openedon Oct 15, 2025

metadata parsing rejects zarr metadata with unknown fields

spec compliance

Status: Open.

#3523 In zarr-developers/zarr-python;

·d-v-b openedon Oct 15, 2025

Permission denied when multiple Processes write to the same file

bugPotential issues with the zarr-python libraryPotential issues with the zarr-python library

Status: Open.

#3522 In zarr-developers/zarr-python;

·Trobolt openedon Oct 14, 2025

Proposal: Make Obstore backend the default for s3/gcs/azure/https

Status: Open.

#3520 In zarr-developers/zarr-python;

·jhamman openedon Oct 14, 2025