3 Releases published by 2 people

• v2.18.6

  published Apr 8, 2025

• v2.18.7

  published Apr 9, 2025

• v3.0.7

  published Apr 21, 2025

26 Pull requests merged by 14 people

• simplify NDBuffer.as_scalar

  #3027 merged May 2, 2025

• Fix specifying memory order in v2 arrays

  #2951 merged Apr 30, 2025

• (fix): structured dtype fill value consolidated metadata

  #3015 merged Apr 30, 2025

• Bump actions/setup-python from 5.5.0 to 5.6.0 in the actions group

  #3022 merged Apr 29, 2025

• Bump setuptools-scm from 8.2.0 to 8.3.1 in the requirements group

  #3023 merged Apr 29, 2025

• hypothesis: Don't generate node name: 'zarr.json'

  #3020 merged Apr 25, 2025

• [v2] Remove print statement from structured dtype metadata parsing

  #3007 merged Apr 24, 2025

• 3.0.7 release notes

  #3008 merged Apr 23, 2025

• Improve array and group docstrings

  #2975 merged Apr 22, 2025

• Bump numpy from 2.2.4 to 2.2.5 in the requirements group

  #3002 merged Apr 22, 2025

• More consistent store docstrings

  #2976 merged Apr 21, 2025

• fix: Special-case suffix requests in obstore backend to support Azure

  #2994 merged Apr 21, 2025

• Use unsigned bytes to back Buffer

  #2738 merged Apr 19, 2025

• Fix nan encoding in consolidated metadata

  #2996 merged Apr 18, 2025

• updated migration documention to say that '.' syntax is no longer all…

  #2997 merged Apr 17, 2025

• Fix hatch matrix setup for minimal and optional dependencies

  #2872 merged Apr 16, 2025

• Bump the requirements group across 1 directory with 2 updates

  #2987 merged Apr 16, 2025

• zarr.array from from an existing zarr.Array

  #2622 merged Apr 10, 2025

• Return scalar when accessing zero dimensional array

  #2718 merged Apr 10, 2025

• Clean up warning filters in tests

  #2714 merged Apr 9, 2025

• Add a test with up to date dependencies & fix zarr-python v2

  #2973 merged Apr 9, 2025

• Add a changelog for 2.18.6

  #2970 merged Apr 8, 2025

• Pin numcodecs to < 0.16 to fix v2

  #2965 merged Apr 8, 2025

• Bump pytest-cov from 6.0.0 to 6.1.1 in the requirements group

  #2960 merged Apr 7, 2025

• Fix fill_value serialization issues

  #2802 merged Apr 4, 2025

• Avoid memory copy in local store write

  #2944 merged Apr 3, 2025

15 Pull requests opened by 13 people

• Remove `mode` arg usage in `create_array`

  #2954 opened Apr 3, 2025

• (fix): use `typesize` on `Blosc` codec

  #2962 opened Apr 7, 2025

• chore: update pre-commit hooks

  #2966 opened Apr 7, 2025

• Avoid memory copy in obstore write

  #2972 opened Apr 8, 2025

• Improve write performance of shards

  #2977 opened Apr 11, 2025

• Add more unit tests for GPU buffer

  #2978 opened Apr 11, 2025

• Ignore stale children when reconsolidating metadata

  #2980 opened Apr 12, 2025

• fix:*-like creation routines take kwargs

  #2992 opened Apr 17, 2025

• fix: wrap the fsspec fs in an AsyncWrapper also if it is called with asynchronouos=False

  #2993 opened Apr 17, 2025

• Coalesce and parallelize partial shard reads

  #3004 opened Apr 22, 2025

• restore v2-like exceptions

  #3012 opened Apr 24, 2025

• create a module for group metadata

  #3019 opened Apr 24, 2025

• Implement Store.move

  #3021 opened Apr 25, 2025

• Use a dictionary comprehension instead

  #3029 opened Apr 30, 2025

• Add flexible deserialization for datetime fill values

  #3031 opened May 1, 2025

17 Issues closed by 8 people

• behavior of `NDBuffer.as_scalar`

  #3026 closed May 2, 2025

• Saving and re-opening a v2 array does not report (or save) correct memory order

  #2950 closed Apr 30, 2025

• Structured dtype serialization with consolidated metadata fails

  #2998 closed Apr 30, 2025

• Rename `StorePath` to `PathStore`?

  #2905 closed Apr 21, 2025

• Buffer uses signed bytes with v2 compressors

  #2735 closed Apr 19, 2025

• Consolidated Metadata serializes NaN incorrectly

  #2990 closed Apr 18, 2025

• is dot syntax gone now?

  #2991 closed Apr 18, 2025

• Update `zarr` in SPEC 0

  #2886 closed Apr 14, 2025

• Unable to open zarr group created using xarray without consolidated metadata.

  #2984 closed Apr 14, 2025

• [v3] zarr.array from from an existing `zarr.Array`

  #2410 closed Apr 10, 2025

• Inconsistent `()` indexing/size behavior from v2->v3

  #2713 closed Apr 10, 2025

• Tests failing on conda-forge build

  #2700 closed Apr 10, 2025

• Zarr file readable in zarr 2.x but not 3.0.x

  #2922 closed Apr 10, 2025

• Convert warnings on CI to errors

  #2968 closed Apr 9, 2025

• Can't import `zarr<3` with latest `numcodecs==0.16.0`

  #2963 closed Apr 9, 2025

• BaseStore is missing

  #2957 closed Apr 7, 2025

• Broken NaN encoding when writing v2 storage format from v3 library

  #2741 closed Apr 4, 2025

31 Issues opened by 18 people

• Monthly issue metrics report

  #3030 opened May 1, 2025

• serializing not a time (NaT) to metadata

  #3028 opened Apr 30, 2025

• disallow numpy scalars for `metadata.fill_value`

  #3025 opened Apr 28, 2025

• Confused about Zarr2 to Zarr3 conversion

  #3024 opened Apr 28, 2025

• a group metadata module is missing

  #3018 opened Apr 24, 2025

• module for metadata-aware IO

  #3017 opened Apr 24, 2025

• zarr-format v2 stores written by zarr-python v3 can no longer be opened by zarr-python v2 due to a numcodecs TypeError

  #3016 opened Apr 24, 2025

• incremental writing to a sharded array slower than without sharding.

  #3014 opened Apr 24, 2025

• Using Zarr behind corporate proxy: timeouts

  #3013 opened Apr 24, 2025

• slow hypothesis tests are too slow

  #3010 opened Apr 23, 2025

• DOC: zarr.errors changes in v3

  #3009 opened Apr 22, 2025

• DOC: release-notes missing for 3.0.7 release

  #3006 opened Apr 22, 2025

• does zarr support big-endian

  #3005 opened Apr 22, 2025

• should the backend for `MemoryStore` instances be registered?

  #3000 opened Apr 19, 2025

• confusion about `open_like`

  #2999 opened Apr 19, 2025

• DOC: Show how to authenticate with `fsspec`'s `storage_options` dict

  #2995 opened Apr 17, 2025

• [v3] Function `zeros_like` ignores overrides in keyword arguments (e.g. `chunks`, `dtype`).

  #2989 opened Apr 16, 2025

• [v3] Caching from `fsspec` doesn't work with `FSSpecStore`

  #2988 opened Apr 16, 2025

• Is `ArrayV3Metadata` public API?

  #2986 opened Apr 15, 2025

• Unable to open group using experimental implementation of Zarr V3 Specification in zarr-python 2.x

  #2982 opened Apr 14, 2025

• Unclear support status of Zarr V3 Specification in zarr-python 2.x

  #2981 opened Apr 14, 2025

• Broken `fill_value` encoding in `consolidated_metadata` when writing format v2 from zarr-python 3

  #2979 opened Apr 11, 2025

• (bug): `get_block_selection` semantics

  #2971 opened Apr 8, 2025

• asyncgroup.delitem silently fails if the key is missing

  #2967 opened Apr 7, 2025

• TypeError when passing old numcodecs to zarr v3

  #2964 opened Apr 7, 2025

• zarr.errors ArrayNotFoundError is gone in zarr 3.0

  #2961 opened Apr 7, 2025

• Feature Request: Optional OpenTelemetry Integration for Observability and Performance Tuning

  #2958 opened Apr 6, 2025

• DOC: Missing page on layers of Zarr abstractions

  #2956 opened Apr 4, 2025

• add pep-723 inline metadata header to default bug report

  #2953 opened Apr 3, 2025

• numcodecs codecs do not get dictified in `metadata.to_dict()`

  #2952 opened Apr 3, 2025

• Array.read_only incorrect

  #2949 opened Apr 3, 2025

32 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• ZEP9: Parse Metadata Objects

  #2866 commented on Apr 11, 2025 • 4 new comments

• Fix: respect `config` when opening an existing array

  #2933 commented on Apr 18, 2025 • 2 new comments

• Feat/store paths

  #2272 commented on Apr 16, 2025 • 2 new comments

• Array creation with strings for filters, serializer, compressors

  #2839 commented on Apr 11, 2025 • 1 new comment

• Bit-Packing Codec for ADC Data Optimization

  #2942 commented on Apr 8, 2025 • 0 new comments

• docs: Clarified laziness of create_hierarchy (#2938)

  #2939 commented on Apr 20, 2025 • 0 new comments

• feat: add `print_debug_info` function

  #2913 commented on Apr 20, 2025 • 0 new comments

• Public API for buffer objects

  #2876 commented on Apr 27, 2025 • 0 new comments

• refactor v3 data types

  #2874 commented on May 2, 2025 • 0 new comments

• fix/unbreak chunks initialized

  #2862 commented on Apr 28, 2025 • 0 new comments

• Open zip store from path with zip suffix

  #2856 commented on Apr 7, 2025 • 0 new comments

• more extensive `api` x `store` testing

  #2447 commented on Apr 16, 2025 • 0 new comments

• [v3] Hierarchy api

  #1912 commented on Apr 16, 2025 • 0 new comments

• Device support in `zarr-python` (especially for GPU)

  #2658 commented on May 1, 2025 • 0 new comments

• bug with setitem with oindex and sharding

  #2834 commented on Apr 30, 2025 • 0 new comments

• No such file or directory when replacing an array

  #2892 commented on Apr 25, 2025 • 0 new comments

• Improve async handling for s3fs

  #2901 commented on Apr 24, 2025 • 0 new comments

• zarr v3 does not accept stores of type FSMap

  #2706 commented on Apr 22, 2025 • 0 new comments

• Add (or document migration from) `contains_array` and `contains_group`

  #2934 commented on Apr 22, 2025 • 0 new comments

• create_array w/ overwrite=True doesn't clean up an existing array

  #2719 commented on Apr 22, 2025 • 0 new comments

• Add `Buffer.as_buffer_like` method.

  #2925 commented on Apr 21, 2025 • 0 new comments

• [v3] Groups and Arrays do not implement `__enter__` / `__exit__` protocols

  #2619 commented on Apr 17, 2025 • 0 new comments

• [v3] support for datetime and timedelta dtypes

  #2616 commented on Apr 16, 2025 • 0 new comments

• Asynchronous errors when creating a Zarr with FsspecStore

  #2793 commented on Apr 10, 2025 • 0 new comments

• Can't conveniently open zip store from path with zarr v3

  #2831 commented on Apr 10, 2025 • 0 new comments

• Uploading nightly wheels to the Scientific Python nightly channel

  #2935 commented on Apr 10, 2025 • 0 new comments

• zarr.consolidated_metadata should not use previously consolidated (stale) metadata

  #2921 commented on Apr 9, 2025 • 0 new comments

• [V3] Support for batched Store API in v3

  #1806 commented on Apr 9, 2025 • 0 new comments

• Codec pipeline memory usage

  #2904 commented on Apr 7, 2025 • 0 new comments

• DOC: `LRUStoreCache` removed in Zarr 3.0, not documented

  #2857 commented on Apr 6, 2025 • 0 new comments

• Some `numcodecs.zarr3` codecs fail with 3.0.4+

  #2900 commented on Apr 4, 2025 • 0 new comments

• [v3] Batch array / group access

  #1805 commented on Apr 3, 2025 • 0 new comments