16 Pull requests merged by 6 people

• PEP 639 compliance

  #3283 merged Jul 23, 2025

• Give codecs docstrings

  #3274 merged Jul 22, 2025

• convert inf, -inf, nan to JSON

  #3280 merged Jul 22, 2025

• improvements to parse_dtype

  #3264 merged Jul 22, 2025

• Improve migration guide for codecs

  #3273 merged Jul 22, 2025

• Apply ruff/flake8-pytest-style rule PT030

  #3270 merged Jul 18, 2025

• Apply ruff/flake8-pytest-style rule PT031

  #3269 merged Jul 18, 2025

• Use in and or instead of multipleif's

  #3266 merged Jul 17, 2025

• Fix order handling

  #3112 merged Jul 17, 2025

• Apply ruff/flake8-pytest-style rule PT012

  #3267 merged Jul 17, 2025

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

  #3268 merged Jul 17, 2025

• obstore implementations for .getsize and .getsize_prefix

  #3227 merged Jul 17, 2025

• Add numcodecs to downstream projects to check before release

  #3262 merged Jul 17, 2025

• Update the link to CGGH non-profit organization

  #3260 merged Jul 17, 2025

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

  #3258 merged Jul 16, 2025

• make zdtype abstract methods raise notimplementederror

  #3251 merged Jul 16, 2025

3 Pull requests opened by 3 people

• Add CLI for converting v2 metadata to v3

  #3257 opened Jul 16, 2025

• [do not merge] proof of concept for unified v2 / v3 codecs

  #3276 opened Jul 21, 2025

• Bump copyright year in LICENSE file

  #3286 opened Jul 23, 2025

7 Issues closed by 3 people

• regression in JSON serialization of numpy floats

  #3279 closed Jul 22, 2025

• how to fix documentation of type annotations

  #3278 closed Jul 22, 2025

• incomplete round-tripping of v3 data type json

  #3263 closed Jul 22, 2025

• `AttributeError: 'Float32' object has no attribute 'value'` When reading an icechunk store containing a compressed tif (zarr 3.1.0)

  #3275 closed Jul 21, 2025

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

  #2948 closed Jul 17, 2025

• Override Store.getsize() for ObjectStore

  #3218 closed Jul 17, 2025

• Metadata comparison fails for NaN fill_values

  #2929 closed Jul 17, 2025

10 Issues opened by 6 people

• unified runtime type checking for our json data

  #3285 opened Jul 23, 2025

• Expose `ZarrFormat` in public API

  #3284 opened Jul 22, 2025

• dtype inference fails for platform-sensitive numpy data types

  #3282 opened Jul 22, 2025

• Enable deterministic and formatted metadata output

  #3281 opened Jul 22, 2025

• Release Zarr-Python v3.1.1

  #3277 opened Jul 22, 2025

• Add a policy on where to implement new codecs

  #3272 opened Jul 21, 2025

• Support CUDA streams, devices

  #3271 opened Jul 18, 2025

• Enhancement: Support top-level lazy subpackage imports

  #3265 opened Jul 17, 2025

• codec registration silently fails

  #3261 opened Jul 17, 2025

• Pydantic doesn't serialize ZDType correctly

  #3259 opened Jul 16, 2025

17 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 on Jul 22, 2025 • 10 new comments

• Zstd Codec on the GPU

  #2863 commented on Jul 21, 2025 • 6 new comments

• Add async oindex and vindex methods to AsyncArray

  #3083 commented on Jul 23, 2025 • 4 new comments

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

  #3215 commented on Jul 22, 2025 • 0 new comments

• Apply Sourcery suggestions and fix typos

  #3131 commented on Jul 17, 2025 • 0 new comments

• Coalesce and parallelize partial shard reads

  #3004 commented on Jul 22, 2025 • 0 new comments

• Fix nan fill value metadata comparison

  #2930 commented on Jul 17, 2025 • 0 new comments

• Enforce Pylint rules

  #2869 commented on Jul 18, 2025 • 0 new comments

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

  #2988 commented on Jul 22, 2025 • 0 new comments

• bug with setitem with oindex and sharding

  #2834 commented on Jul 22, 2025 • 0 new comments

• Links in function signatures not being resolved

  #2289 commented on Jul 22, 2025 • 0 new comments

• a codec simplification plan

  #3162 commented on Jul 21, 2025 • 0 new comments

• Group.nmembers returns incorrect value for consolidated metadata

  #3252 commented on Jul 19, 2025 • 0 new comments

• [v3] Fixed-width unicode string support in zarr v3

  #2347 commented on Jul 19, 2025 • 0 new comments

• Numcodecs Delta filter throws AttributeError when astype is specified

  #3256 commented on Jul 18, 2025 • 0 new comments

• Release Zarr-Python v3.1.0

  #3219 commented on Jul 16, 2025 • 0 new comments

• Confusing constructors for new data types

  #3247 commented on Jul 16, 2025 • 0 new comments