3.4.1

Issues

• fix: ensure ZipStore is open before acquiring lock

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  zarr-developers/zarr-python#3593·oelhammouchi opened Nov 21, 2025 · Updated Sep 29, 2026
  8

• fix: bound memory used by resize chunk cleanup

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  zarr-developers/zarr-python#4344·2160039878-cyber opened Sep 13, 2026 · Updated Sep 30, 2026
  3

• Fix/from array overwrite source

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  zarr-developers/zarr-python#4405·ianhi opened Sep 24, 2026 · Updated Oct 6, 2026
  4

• fix(api): apply config when open_array opens an existing array

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  zarr-developers/zarr-python#4408·d-v-b opened Sep 25, 2026 · Updated Sep 30, 2026·Draft
  1

• fix(storage): open ZipStore archive on first use from every method and reopen it without truncating

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  zarr-developers/zarr-python#4450·d-v-b opened Sep 29, 2026 · Updated Oct 5, 2026
  1