Overview

1 Release published by1 person

• v3.1.0

  publishedJul 15, 2025

26 Pull requests merged by10 people

• Apply ruff/flake8-pytest-style rule PT030

  #3270 mergedJul 18, 2025

• Apply ruff/flake8-pytest-style rule PT031

  #3269 mergedJul 18, 2025

• Usein andor instead of multipleif's

  #3266 mergedJul 17, 2025

• Fix order handling

  #3112 mergedJul 17, 2025

• Apply ruff/flake8-pytest-style rule PT012

  #3267 mergedJul 17, 2025

• remove warnings about vlen-utf8 and vlen-bytes codecs

  #3268 mergedJul 17, 2025

• obstore implementations for .getsize and .getsize_prefix

  #3227 mergedJul 17, 2025

• Add numcodecs to downstream projects to check before release

  #3262 mergedJul 17, 2025

• Update the link to CGGH non-profit organization

  #3260 mergedJul 17, 2025

• Provide pytest-plugin that registers a 'gpu' marker.

  #3258 mergedJul 16, 2025

• make zdtype abstract methods raise notimplementederror

  #3251 mergedJul 16, 2025

• add a section showing the parse_data_type function

  #3249 mergedJul 16, 2025

• add unmerged changelog entry to release notes

  #3248 mergedJul 16, 2025

• Multiple imports for an import name

  #3234 mergedJul 16, 2025

• DOC: Remove Twitter icon in Zarr-Python

  #3245 mergedJul 16, 2025

• Remove outdated v3 release announcement bullet from release notes

  #3235 mergedJul 16, 2025

• Bump lmdb from 1.6.2 to 1.7.2 in the requirements group

  #3236 mergedJul 15, 2025

• 3.1.0 release notes

  #3241 mergedJul 15, 2025

• don't test self-deletion in stateful tests

  #3243 mergedJul 14, 2025

• fix obstore type hints

  #3242 mergedJul 14, 2025

• fix type hints for hypothesis test

  #3240 mergedJul 14, 2025

• remove usage of the _deprecate_positional_args decorator, and tests for its behavior

  #3225 mergedJul 14, 2025

• update release note for dtype refactor

  #3229 mergedJul 14, 2025

• update 2819 release note

  #3230 mergedJul 14, 2025

• CI: update actions location

  #3237 mergedJul 14, 2025

• feat: addfrom_array_metadata_and_store toCodecPipeline

  #3233 mergedJul 12, 2025

2 Pull requests opened by2 people

• Add CLI for converting v2 metadata to v3

  #3257 openedJul 16, 2025

• improvements to `parse_dtype`

  #3264 openedJul 17, 2025

8 Issues closed by2 people

• Incorrect warning when creating zarr_format=2 array with order keyword

  #2948 closedJul 17, 2025

• Override Store.getsize() for ObjectStore

  #3218 closedJul 17, 2025

• Metadata comparison fails for NaN fill_values

  #2929 closedJul 17, 2025

• Remove release announcement banner?

  #3208 closedJul 16, 2025

• recent hypothesis test failures

  #3244 closedJul 14, 2025

• make deprecated positional arguments keyword-only

  #3092 closedJul 14, 2025

• 100% test coverage

  #3239 closedJul 14, 2025

• consider removing default compressor / filters / serializer from config

  #3104 closedJul 13, 2025

11 Issues opened by7 people

• Support CUDA streams, devices

  #3271 openedJul 18, 2025

• Enhancement: Support top-level lazy subpackage imports

  #3265 openedJul 17, 2025

• incomplete round-tripping of v3 data type json

  #3263 openedJul 17, 2025

• codec registration silently fails

  #3261 openedJul 17, 2025

• Pydantic doesn't serialize ZDType correctly

  #3259 openedJul 16, 2025

• Numcodecs Delta filter throws AttributeError when astype is specified

  #3256 openedJul 16, 2025

• Order of keys created by `ArrayV2Metadata.to_dict` has changed between versions

  #3254 openedJul 15, 2025

• ArrayV2Metadata.to_dict() fails when passed numpy type directly

  #3253 openedJul 15, 2025

• Group.nmembers returns incorrect value for consolidated metadata

  #3252 openedJul 15, 2025

• Confusing constructors for new data types

  #3247 openedJul 15, 2025

• zarr-python hangs when opening a group from google cloud storage

  #3238 openedJul 14, 2025

11 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.

• Preventing Deadlocks When Reading Metadata Concurrently via `asyncio.gather`

  #3207 commented onJul 17, 2025 • 11 new comments

• Zstd Codec on the GPU

  #2863 commented onJul 18, 2025 • 2 new comments

• Reading sharded array with multiprocessing produces wrong result

  #3221 commented onJul 14, 2025 • 0 new comments

• Release Zarr-Python v3.1.0

  #3219 commented onJul 16, 2025 • 0 new comments

• Open zip store from path with zip suffix

  #2856 commented onJul 14, 2025 • 0 new comments

• Enforce Pylint rules

  #2869 commented onJul 18, 2025 • 0 new comments

• support for datetime and timedelta dtypes (#2616)

  #2884 commented onJul 16, 2025 • 0 new comments

• Fix nan fill value metadata comparison

  #2930 commented onJul 17, 2025 • 0 new comments

• Add flexible deserialization for datetime fill values

  #3031 commented onJul 16, 2025 • 0 new comments

• Apply Sourcery suggestions and fix typos

  #3131 commented onJul 17, 2025 • 0 new comments

• Add refresh_attributes() and implement cache_attrs for Group and Array

  #3215 commented onJul 14, 2025 • 0 new comments