Merge branch 'main' into implement_canonical_structs

Author: BrianMichell

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -61,7 +61,7 @@ body:
       value: |
         ```python
         # /// script
-        # requires-python = ">=3.11"
+        # requires-python = ">=3.12"
         # dependencies = [
         #   "zarr@git+https://github.com/zarr-developers/zarr-python.git@main",
         # ]

.github/workflows/gpu_test.yml

@@ -27,7 +27,7 @@ jobs:
     runs-on: gpu-runner
     strategy:
       matrix:
-        python-version: ['3.11']
+        python-version: ['3.12']
 
     steps:
     - uses: actions/checkout@v6
@@ -72,4 +72,5 @@ jobs:
       uses: codecov/codecov-action@13ce06bfc6bbe3ecf90edbbf1bc32fe5978ca1d3  # v5.3.1
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
+        flags: gpu
         verbose: true # optional (default = false)

.github/workflows/hypothesis.yaml

@@ -81,6 +81,7 @@ jobs:
       uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
+        flags: tests
         verbose: true # optional (default = false)
 
     - name: Generate and publish the report

.github/workflows/needs_release_notes.yml

@@ -1,8 +1,8 @@
 name: "Pull Request Labeler"
 
 on:
-  - pull_request_target:
-      types: [opened, reopened, synchronize]
+  pull_request_target:
+    types: [opened, reopened, synchronize]
 
 jobs:
   labeler:

.github/workflows/nightly_wheels.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/setup-python@v6
         name: Install Python
         with:
-          python-version: '3.13'
+          python-version: '3.14'
 
       - name: Install Hatch
         uses: pypa/hatch@257e27e51a6a5616ed08a39a408a21c35c9931bc

.github/workflows/releases.yml

@@ -31,7 +31,7 @@ jobs:
       - uses: actions/setup-python@v6
         name: Install Python
         with:
-          python-version: '3.11'
+          python-version: '3.12'
 
       - name: Install Hatch
         uses: pypa/hatch@257e27e51a6a5616ed08a39a408a21c35c9931bc

.github/workflows/test.yml

@@ -23,23 +23,23 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['3.11', '3.12', '3.13']
+        python-version: ['3.12', '3.13', '3.14']
         dependency-set: ["minimal", "optional"]
         os: ["ubuntu-latest"]
         include:
-          - python-version: '3.11'
+          - python-version: '3.12'
             dependency-set: 'optional'
             os: 'macos-latest'
 
-          - python-version: '3.13'
+          - python-version: '3.14'
             dependency-set: 'optional'
             os: 'macos-latest'
 
-          - python-version: '3.11'
+          - python-version: '3.12'
             dependency-set: 'optional'
             os: 'windows-latest'
 
-          - python-version: '3.13'
+          - python-version: '3.14'
             dependency-set: 'optional'
             os: 'windows-latest'
     runs-on: ${{ matrix.os }}
@@ -71,6 +71,7 @@ jobs:
       uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
+        flags: tests
         verbose: true # optional (default = false)
 
   test-upstream-and-min-deps:
@@ -79,12 +80,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.11', "3.13"]
+        python-version: ['3.12', "3.14"]
         dependency-set: ["upstream", "min_deps"]
         exclude:
-          - python-version: "3.13"
+          - python-version: "3.14"
             dependency-set: min_deps
-          - python-version: "3.11"
+          - python-version: "3.12"
             dependency-set: upstream
     steps:
     - uses: actions/checkout@v6
@@ -110,6 +111,7 @@ jobs:
       uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
+        flags: tests
         verbose: true # optional (default = false)
 
   doctests:

.pre-commit-config.yaml

@@ -7,7 +7,7 @@ ci:
 default_stages: [pre-commit, pre-push]
 
 default_language_version:
-  python: python3.11
+  python: python3.12
 
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
@@ -38,7 +38,7 @@ repos:
           - donfig
           - numcodecs
           - google-crc32c>=1.5
-          - numpy==2.1 # until https://github.com/numpy/numpy/issues/28034 is resolved
+          - numpy==2.1 # https://github.com/zarr-developers/zarr-python/issues/3780 + https://github.com/zarr-developers/zarr-python/issues/3688
           - typing_extensions
           - universal-pathlib
           - obstore>=0.5.1

changes/2720.doc.md

@@ -0,0 +1 @@
+Document removal of `zarr.storage.init_group` in v3 migration guide, with replacement using `zarr.open_group`/`zarr.create_group`.

changes/3546.misc.md

@@ -0,0 +1 @@
+Upgrade to spec0 compat (python 3.14 max, python 3.12 min).