Merge branch 'main' into tom/fix/public-buffers

Author: d-v-b

.github/workflows/test.yml

@@ -64,6 +64,7 @@ jobs:
       run: |
         hatch env run --env test.py${{ matrix.python-version }}-${{ matrix.numpy-version }}-${{ matrix.dependency-set }} run-coverage
     - name: Upload coverage
+      if: ${{ matrix.dependency-set == 'optional' && matrix.os == 'ubuntu-latest' }}
       uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}

changes/2622.feature.rst

@@ -0,0 +1 @@
+Add ``zarr.from_array`` using concurrent streaming of source data

changes/2714.misc.rst

@@ -0,0 +1 @@
+Make warning filters in the tests more specific, so warnings emitted by tests added in the future are more likely to be caught instead of ignored.

changes/2718.bugfix.rst

@@ -0,0 +1,3 @@
+0-dimensional arrays are now returning a scalar. Therefore, the return type of ``__getitem__`` changed
+to NDArrayLikeOrScalar. This change is to make the behavior of 0-dimensional arrays consistent with
+``numpy`` scalars.

changes/2802.fix.rst

@@ -0,0 +1 @@
+Fix `fill_value` serialization for `NaN` in `ArrayV2Metadata` and add property-based testing of round-trip serialization

changes/2944.misc.rst

@@ -0,0 +1 @@
+Avoid an unnecessary memory copy when writing Zarr to a local file

changes/2991.doc.rst

@@ -0,0 +1 @@
+Updated the 3.0 migration guide to include the removal of "." syntax for getting group members.

changes/2996.bugfix.rst

@@ -0,0 +1,4 @@
+Fixes `ConsolidatedMetadata` serialization of `nan`, `inf`, and `-inf` to be
+consistent with the behavior of `ArrayMetadata`.
+
+

docs/release-notes.rst

@@ -145,6 +145,8 @@ Other
 3.0.1 (Jan. 17, 2025)
 ---------------------
 
+* Implement ``zarr.from_array`` using concurrent streaming (:issue:`2622`).
+
 Bug fixes
 ~~~~~~~~~
 * Fixes ``order`` argument for Zarr format 2 arrays (:issue:`2679`).

docs/user-guide/v3_migration.rst

@@ -117,6 +117,8 @@ The Group class
 
    - Use :func:`zarr.Group.create_array` in place of :func:`zarr.Group.create_dataset`
    - Use :func:`zarr.Group.require_array` in place of :func:`zarr.Group.require_dataset`
+3. Disallow "." syntax for getting group members. To get a member of a group named ``foo``,
+   use ``group["foo"]`` in place of ``group.foo``.
 
 The Store class
 ~~~~~~~~~~~~~~~