3.4.1

Issues

• fix(chunk-grids): read mixed regular/rectilinear chunk grids written by zarr 3.2.x

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  zarr-developers/zarr-python#4375·d-v-b opened Sep 18, 2026 · Updated Oct 1, 2026·Draft
  3

• fix(chunk-grids): judge every chunk specification by the chunk normalizer alone

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  zarr-developers/zarr-python#4376·d-v-b opened Sep 18, 2026 · Updated Oct 1, 2026·Draft
  3

• test(chunk-grids): sample the full rectilinear chunk grid declaration space

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  zarr-developers/zarr-python#4377·d-v-b opened Sep 18, 2026 · Updated Oct 1, 2026·Draft
  3

• 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 Sep 29, 2026
  3

• 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