for a record of changes included in this release.
Enhancements
~~~~~~~~~~~~
* Implement listing of the sub-arrays and sub-groups for a V3 ``Group``.
By :user:`Davis Bennett <d-v-b>` :issue:`1726`.
* Bootstrap v3 branch with zarrita.
By :user:`Joe Hamman <jhamman>` :issue:`1584`.
* Extensible codecs for V3.
By :user:`Norman Rzepka <normanrz>` :issue:`1588`.
* Don't import from tests.
By :user:`Davis Bennett <d-v-b>` :issue:`1601`.
* Listable V3 Stores.
By :user:`Joe Hamman <jhamman>` :issue:`1634`.
* Codecs without array metadata.
By :user:`Norman Rzepka <normanrz>` :issue:`1632`.
* fix sync group class methods.
By :user:`Joe Hamman <jhamman>` :issue:`1652`.
* implement eq for LocalStore.
By :user:`Charoula Kyriakides <Charoula-Kyriakides>` :issue:`1792`.
* V3 reorg.
By :user:`Joe Hamman <jhamman>` :issue:`1809`.
* [v3] Sync with futures.
By :user:`Davis Bennett <d-v-b>` :issue:`1804`.
* implement group.members.
By :user:`Davis Bennett <d-v-b>` :issue:`1726`.
* Remove implicit groups.
By :user:`Joe Hamman <jhamman>` :issue:`1827`.
* feature(store): ``list_*`` -> AsyncGenerators.
By :user:`Joe Hamman <jhamman>` :issue:`1844`.
* Test codec entrypoints.
By :user:`Norman Rzepka <normanrz>` :issue:`1835`.
* Remove extra v3 sync module.
By :user:`Max Jones <maxrjones>` :issue:`1856`.
* Use donfig for V3 configuration.
By :user:`Max Jones <maxrjones>` :issue:`1655`.
* groundwork for V3 group tests.
By :user:`Davis Bennett <d-v-b>` :issue:`1743`.
* [v3] First step to generalizes ndarray and bytes.
By :user:`Mads R. B. Kristensen <madsbk>` :issue:`1826`.
* Reworked codec pipelines.
By :user:`Norman Rzepka <normanrz>` :issue:`1670`.
* Followup on codecs.
By :user:`Norman Rzepka <normanrz>` :issue:`1889`.
* Protocols for Buffer and NDBuffer.
By :user:`Mads R. B. Kristensen <madsbk>` :issue:`1899`.
* [V3] Expand store tests.
By :user:`Davis Bennett <d-v-b>` :issue:`1900`.
* [v3] Feature: Store open mode.
By :user:`Joe Hamman <jhamman>` :issue:`1911`.
* fix(types): Group.info -> NotImplementedError.
By :user:`Joe Hamman <jhamman>` :issue:`1936`.
* feature(typing): add py.typed file to package root.
By :user:`Joe Hamman <jhamman>` :issue:`1935`.
* Support all indexing variants.
By :user:`Norman Rzepka <normanrz>` :issue:`1917`.
* Feature: group and array name properties.
By :user:`Joe Hamman <jhamman>` :issue:`1940`.
* implement .chunks on v3 arrays.
By :user:`Ryan Abernathey <rabernat>` :issue:`1929`.
* Fixes bug in transpose.
By :user:`Norman Rzepka <normanrz>` :issue:`1949`.
* Buffer Prototype Argument.
By :user:`Mads R. B. Kristensen <madsbk>` :issue:`1910`.
* Feature: Top level V3 API.
By :user:`Joe Hamman <jhamman>` :issue:`1884`.
* Basic working FsspecStore.
By :user:`Martin Durant <martindurant>`; :issue:`1785`.
Typing
~~~~~~
* Resolve Mypy errors in v3 branch.
By :user:`Daniel Jahn <DahnJ>` :issue:`1692`.
* Allow dmypy to be run on v3 branch.
By :user:`David Stansby <dstansby>` :issue:`1780`.
* Remove unused typing ignore comments.
By :user:`David Stansby <dstansby>` :issue:`1781`.
* Check untyped defs on v3.
By :user:`David Stansby <dstansby>` :issue:`1784`.
* [v3] Enable some more strict mypy options.
By :user:`David Stansby <dstansby>` :issue:`1793`.
* [v3] Disallow generic Any typing.
By :user:`David Stansby <dstansby>` :issue:`1794`.
* Disallow incomplete type definitions.
By :user:`David Stansby <dstansby>` :issue:`1814`.
* Disallow untyped calls.
By :user:`David Stansby <dstansby>` :issue:`1811`.
* Fix some untyped calls.
By :user:`David Stansby <dstansby>` :issue:`1865`.
* Disallow untyped defs.
By :user:`David Stansby <dstansby>` :issue:`1834`.
* Add more typing to zarr.group.
By :user:`David Stansby <dstansby>` :issue:`1870`.
* Fix any generics in zarr.array.
By :user:`David Stansby <dstansby>` :issue:`1861`.
* Remove some unused mypy overrides.
By :user:`David Stansby <dstansby>` :issue:`1894`.
* Finish typing zarr.metadata.
By :user:`David Stansby <dstansby>` :issue:`1880`.
* Disallow implicit re-exports.
By :user:`David Stansby <dstansby>` :issue:`1908`.
* Make typing strict.
By :user:`David Stansby <dstansby>` :issue:`1879`.
* Enable extra mypy error codes.
By :user:`David Stansby <dstansby>` :issue:`1909`.
* Enable warn_unreachable for mypy.
By :user:`David Stansby <dstansby>` :issue:`1937`.
* Fix final typing errors.
By :user:`David Stansby <dstansby>` :issue:`1939`.
Maintenance
~~~~~~~~~~~
* Remedy a situation where ``zarr-python`` was importing ``DummyStorageTransformer`` from the test suite.
The dependency relationship is now reversed: the test suite imports this class from ``zarr-python``.
By :user:`Davis Bennett <d-v-b>` :issue:`1601`.
* [V3] Update minimum supported Python and Numpy versions.
By :user:`Joe Hamman <jhamman>` :issue:`1638`
* use src layout and use hatch for packaging.
By :user:`Davis Bennett <d-v-b>` :issue:`1592`.
* temporarily disable mypy in v3 directory.
By :user:`Joe Hamman <jhamman>` :issue:`1649`.
* create hatch test env.
By :user:`Ryan Abernathey <rabernat>` :issue:`1650`.
* removed unused environments and workflows.
By :user:`Ryan Abernathey <rabernat>` :issue:`1651`.
* Add env variables to sprint setup instructions.
By :user:`Max Jones <maxrjones>` :issue:`1654`.
* Add test matrix for V3.
By :user:`Max Jones <maxrjones>` :issue:`1656`.
* Remove attrs.
By :user:`Davis Bennett <d-v-b>` :issue:`1660`.
* Specify hatch envs using GitHub actions matrix for v3 tests.
By :user:`Max Jones <maxrjones>` :issue:`1728`.
* black -> ruff format + cleanup.
By :user:`Saransh Chopra <Saransh-cpp>` :issue:`1639`.
* Remove old v3.
By :user:`Davis Bennett <d-v-b>` :issue:`1742`.
* V3 update pre commit.
By :user:`Joe Hamman <jhamman>` :issue:`1808`.
* remove windows testing on v3 branch.
By :user:`Joe Hamman <jhamman>` :issue:`1817`.
* fix: add mypy to test dependencies.
By :user:`Davis Bennett <d-v-b>` :issue:`1789`.
* chore(ci): add numpy 2 release candidate to test matrix.
By :user:`Joe Hamman <jhamman>` :issue:`1828`.
* fix dependencies.
By :user:`Norman Rzepka <normanrz>` :issue:`1840`.
* Add pytest to mypy dependencies.
By :user:`David Stansby <dstansby>` :issue:`1846`.
* chore(pre-commit): update pre-commit versions and remove attrs dep mypy section.
By :user:`Joe Hamman <jhamman>` :issue:`1848`.
* Enable some ruff rules (RUF) and fix issues.
By :user:`Dimitri Papadopoulos Orfanos <DimitriPapadopoulos>` :issue:`1869`.
* Configure Ruff to apply flake8-bugbear/isort/pyupgrade.
By :user:`Norman Rzepka <normanrz>` :issue:`1890`.
* chore(ci): remove mypy from test action in favor of pre-commit action.
By :user:`Joe Hamman <jhamman>` :issue:`1887`.
* Enable ruff/flake8-raise rules (RSE) and fix issues.
By :user:`Dimitri Papadopoulos Orfanos <DimitriPapadopoulos>` :issue:`1872`.
* Apply assorted ruff/refurb rules (FURB).
By :user:`Dimitri Papadopoulos Orfanos <DimitriPapadopoulos>` :issue:`1873`.
* Enable ruff/flake8-implicit-str-concat rules (ISC) and fix issues.
By :user:`Dimitri Papadopoulos Orfanos <DimitriPapadopoulos>` :issue:`1868`.
* Add numpy to mypy pre-commit check env.
By :user:`David Stansby <dstansby>` :issue:`1893`.
* remove fixture files from src.
By :user:`Davis Bennett <d-v-b>` :issue:`1897`.
* Fix list of packages in mypy pre-commit environment.
By :user:`David Stansby <dstansby>` :issue:`1907`.
* Run sphinx directly on readthedocs.
By :user:`David Stansby <dstansby>` :issue:`1919`.
* Apply preview ruff rules.
By :user:`Dimitri Papadopoulos Orfanos <DimitriPapadopoulos>` :issue:`1942`.
* Enable and apply ruff rule RUF009.
By :user:`Dimitri Papadopoulos Orfanos <DimitriPapadopoulos>` :issue:`1941`.
Documentation
~~~~~~~~~~~~~
* Specify docs hatch env for v3 branch.
By :user:`Max Jones <maxrjones>` :issue:`1655`.
* Development installation/contributing docs updates.
By :user:`Alden Keefe Sampson <aldenks>` :issue:`1643`.
* chore: update project settings per scientific python repo-review.
By :user:`Joe Hamman <jhamman>` :issue:`1863`.
* doc: update release notes for 3.0.0.alpha.
By :user:`Joe Hamman <jhamman>` :issue:`1959`.
.. _release_2.18.3: