8 Pull requests merged by 3 people

• ensure that we test examples with a fresh env

  #3371 merged Aug 13, 2025

• add numcodec protocol

  #3318 merged Aug 13, 2025

• use local imports in store ABC to avoid circular import issues

  #3372 merged Aug 13, 2025

• Backport PR #3098 on branch 3.1.x (refactor warnings)

  #3344 merged Aug 11, 2025

• Bump actions/download-artifact from 4 to 5 in the actions group

  #3362 merged Aug 11, 2025

• Bump the requirements group with 2 updates

  #3361 merged Aug 11, 2025

• Bump actions/download-artifact from 4 to 5 in the actions group

  #3363 merged Aug 11, 2025

• Backport PR #3216 on branch 3.1.x (Write chunks with negative zero values and a zero fill value)

  #3349 merged Aug 7, 2025

7 Pull requests opened by 5 people

• Expose LatencyStore as public API

  #3359 opened Aug 8, 2025

• CacheStore containing source store and cache store

  #3366 opened Aug 11, 2025

• Added ArrayNotFoundError

  #3367 opened Aug 11, 2025

• feat: Implement ZEP 8 URL syntax support for zarr-python

  #3369 opened Aug 11, 2025

• chore/remove chunk coords

  #3374 opened Aug 13, 2025

• Update docs for user-facing `create_array` api on on `Group`.

  #3375 opened Aug 13, 2025

• chore/handle numcodecs codecs

  #3376 opened Aug 13, 2025

2 Issues closed by 2 people

• abstraction leakage in `Store` abc

  #3338 closed Aug 13, 2025

• Option to preserve child metadata during consolidation at parent level

  #3289 closed Aug 13, 2025

10 Issues opened by 4 people

• `group.require_array` is not compatible with new dtypes

  #3377 opened Aug 13, 2025

• do we need the `ChunkCoords` type

  #3373 opened Aug 13, 2025

• define the contents of `numcodecs.zarr3` in this repo

  #3370 opened Aug 13, 2025

• Avoid calls to `np.full`

  #3368 opened Aug 11, 2025

• override `__truediv__` for groups for traversal

  #3365 opened Aug 11, 2025

• explicitly control whether top-level array / group access routines can create

  #3364 opened Aug 11, 2025

• add `codec_registry` as a keyword argument to array access routines

  #3360 opened Aug 10, 2025

• Expose LatencyStore as public API?

  #3358 opened Aug 8, 2025

• Add general CacheStore to Zarr 3.0

  #3357 opened Aug 7, 2025

• consider widening the accepted JSON inputs for fill values

  #3356 opened Aug 7, 2025

20 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.

• Add CLI for converting v2 metadata to v3

  #3257 commented on Aug 13, 2025 • 13 new comments

• Parametrize Array with v2/v3 metadata

  #3304 commented on Aug 13, 2025 • 7 new comments

• fix: check for non-int 0 fill values

  #3345 commented on Aug 12, 2025 • 1 new comment

• add modules for types

  #3355 commented on Aug 13, 2025 • 0 new comments

• chore/add missing tests

  #3353 commented on Aug 13, 2025 • 0 new comments

• Add v2 and v3 metadata support to codecs

  #3332 commented on Aug 13, 2025 • 0 new comments

• fix for failing numcodecs.zarr3 codecs

  #3326 commented on Aug 11, 2025 • 0 new comments

• Remove deprecated API

  #3325 commented on Aug 11, 2025 • 0 new comments

• Prevent mode='r+' from creating new directories

  #3307 commented on Aug 11, 2025 • 0 new comments

• Add exception for swift in fsspec path handling

  #3302 commented on Aug 12, 2025 • 0 new comments

• fix chunk/shard iteration

  #3299 commented on Aug 13, 2025 • 0 new comments

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

  #3215 commented on Aug 9, 2025 • 0 new comments

• Use mkdocs-material for Zarr-Python documentation

  #3118 commented on Aug 14, 2025 • 0 new comments

• Coalesce and parallelize partial shard reads

  #3004 commented on Aug 8, 2025 • 0 new comments

• Codec pipeline performance

  #2904 commented on Aug 13, 2025 • 0 new comments

• should `encode` and `decode` both take an optional reference to a buffer

  #3060 commented on Aug 11, 2025 • 0 new comments

• zarr.errors ArrayNotFoundError is gone in zarr 3.0

  #2961 commented on Aug 11, 2025 • 0 new comments

• Reading sharded array with multiprocessing produces wrong result

  #3221 commented on Aug 11, 2025 • 0 new comments

• consolidate_metadata does not scale well

  #3313 commented on Aug 11, 2025 • 0 new comments

• DOC: developer docs for building documentation

  #3354 commented on Aug 7, 2025 • 0 new comments