3.4.1

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fix(store): run every LocalStore filesystem call off the event loop

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Status: Open (in progress).

zarr-developers/zarr-pythonnumber 4353

#4353 In zarr-developers/zarr-python;

· d-v-b opened on Sep 14, 2026

fix(dtype): preserve scaled generic time units and normalize the μs alias

Status: Draft (not ready).

zarr-developers/zarr-pythonnumber 4342

#4342 In zarr-developers/zarr-python;

· d-v-b opened on Sep 12, 2026

fix(dtype): fix nested v2 round trips and detect unsupported field conversions

Status: Open (in progress).

zarr-developers/zarr-pythonnumber 4340

#4340 In zarr-developers/zarr-python;

· d-v-b opened on Sep 12, 2026

Make ObjectStore backend generic over any obspec store

Status: Open (in progress).

zarr-developers/zarr-pythonnumber 3698

#3698 In zarr-developers/zarr-python;

· kylebarron opened on Feb 9, 2026