Recreate alignchunk working commit

.github/ISSUE_TEMPLATE/bugreport.yml

@@ -26,8 +26,35 @@ body:
     attributes:
       label: Minimal Complete Verifiable Example
       description: |
-        Minimal, self-contained copy-pastable example that demonstrates the issue.         This will be automatically formatted into code, so no need for markdown backticks.
+        Minimal, self-contained copy-pastable example that demonstrates the issue.
+
+        Consider listing additional or specific dependencies in [inline script metadata](https://packaging.python.org/en/latest/specifications/inline-script-metadata/#example)
+        so that calling `uv run issue.py` shows the issue when copied into `issue.py`. (not strictly required)
+
+        This will be automatically formatted into code, so no need for markdown backticks.
       render: Python
+      value: |
+        # /// script
+        # requires-python = ">=3.11"
+        # dependencies = [
+        #   "xarray[complete]@git+https://github.com/pydata/xarray.git@main",
+        # ]
+        # ///
+        #
+        # This script automatically imports the development branch of xarray to check for issues.
+        # Please delete this header if you have _not_ tested this script with `uv run`!
+
+        import xarray as xr
+        xr.show_versions()
+        # your reproducer code ...
+
+  - type: textarea
+    id: reproduce
+    attributes:
+      label: Steps to reproduce
+      description:
+    validations:
+      required: false
 
   - type: checkboxes
     id: mvce-checkboxes

.github/release.yml

@@ -1,5 +1,5 @@
 changelog:
   exclude:
     authors:
-      - dependabot
-      - pre-commit-ci
+      - dependabot[bot]
+      - pre-commit-ci[bot]

.github/workflows/benchmarks-last-release.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
       # We need the full repo to avoid this issue
       # https://github.com/actions/checkout/issues/23
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

.github/workflows/benchmarks.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
       # We need the full repo to avoid this issue
       # https://github.com/actions/checkout/issues/23
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

.github/workflows/ci-additional.yaml

@@ -25,7 +25,7 @@ jobs:
     outputs:
       triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 2
       - uses: xarray-contrib/ci-trigger@v1
@@ -46,7 +46,7 @@ jobs:
       CONDA_ENV_FILE: ci/requirements/environment.yml
       PYTHON_VERSION: "3.12"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
 
@@ -92,7 +92,7 @@ jobs:
       PYTHON_VERSION: "3.12"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
 
@@ -116,14 +116,14 @@ jobs:
           python xarray/util/print_versions.py
       - name: Install mypy
         run: |
-          python -m pip install "mypy==1.15" --force-reinstall
+          python -m pip install "mypy==1.18.1" --force-reinstall
 
       - name: Run mypy
         run: |
           python -m mypy --install-types --non-interactive --cobertura-xml-report mypy_report
 
       - name: Upload mypy coverage to Codecov
-        uses: codecov/codecov-action@v5.4.3
+        uses: codecov/codecov-action@v5.5.1
         with:
           file: mypy_report/cobertura.xml
           flags: mypy
@@ -143,7 +143,7 @@ jobs:
       PYTHON_VERSION: "3.11"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
 
@@ -167,14 +167,14 @@ jobs:
           python xarray/util/print_versions.py
       - name: Install mypy
         run: |
-          python -m pip install "mypy==1.15" --force-reinstall
+          python -m pip install "mypy==1.18.1" --force-reinstall
 
       - name: Run mypy
         run: |
           python -m mypy --install-types --non-interactive --cobertura-xml-report mypy_report
 
       - name: Upload mypy coverage to Codecov
-        uses: codecov/codecov-action@v5.4.3
+        uses: codecov/codecov-action@v5.5.1
         with:
           file: mypy_report/cobertura.xml
           flags: mypy-min
@@ -199,7 +199,7 @@ jobs:
       PYTHON_VERSION: "3.12"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
 
@@ -230,7 +230,7 @@ jobs:
           python -m pyright xarray/
 
       - name: Upload pyright coverage to Codecov
-        uses: codecov/codecov-action@v5.4.3
+        uses: codecov/codecov-action@v5.5.1
         with:
           file: pyright_report/cobertura.xml
           flags: pyright
@@ -255,7 +255,7 @@ jobs:
       PYTHON_VERSION: "3.11"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
 
@@ -286,7 +286,7 @@ jobs:
           python -m pyright xarray/
 
       - name: Upload pyright coverage to Codecov
-        uses: codecov/codecov-action@v5.4.3
+        uses: codecov/codecov-action@v5.5.1
         with:
           file: pyright_report/cobertura.xml
           flags: pyright39
@@ -307,27 +307,22 @@ jobs:
       COLUMNS: 120
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
 
-      - name: Setup micromamba
-        uses: mamba-org/setup-micromamba@v2
+      - uses: actions/setup-python@v6
         with:
-          environment-name: xarray-tests
-          create-args: >-
-            python=3.12
-            pyyaml
-            python-dateutil
-            cytoolz
-            rich
-            rich-click
-            py-rattler
+          python-version: "3.x"
 
       - name: All-deps minimum versions policy
-        run: |
-          python ci/minimum_versions.py ci/requirements/min-all-deps.yml
+        uses: xarray-contrib/minimum-dependency-versions@e2ac8ff0a76e8603d8536ef5d64743a375961ce9 # v0.1.1
+        with:
+          policy: ci/policy.yaml
+          environment-paths: ci/requirements/min-all-deps.yml
 
       - name: Bare minimum versions policy
-        run: |
-          python ci/minimum_versions.py ci/requirements/bare-minimum.yml
+        uses: xarray-contrib/minimum-dependency-versions@e2ac8ff0a76e8603d8536ef5d64743a375961ce9 # v0.1.1
+        with:
+          policy: ci/policy.yaml
+          environment-paths: ci/requirements/bare-minimum.yml

.github/workflows/ci.yaml

@@ -25,7 +25,7 @@ jobs:
     outputs:
       triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 2
       - uses: xarray-contrib/ci-trigger@v1
@@ -37,8 +37,6 @@ jobs:
     runs-on: ${{ matrix.os }}
     needs: detect-ci-trigger
     if: needs.detect-ci-trigger.outputs.triggered == 'false'
-    env:
-      ZARR_V3_EXPERIMENTAL_API: 1
     defaults:
       run:
         shell: bash -l {0}
@@ -81,7 +79,7 @@ jobs:
             numprocesses: 1
             os: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
       - name: Set environment variables
@@ -175,7 +173,7 @@ jobs:
           path: pytest.xml
 
       - name: Upload code coverage to Codecov
-        uses: codecov/codecov-action@v5.4.3
+        uses: codecov/codecov-action@v5.5.1
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with:

.github/workflows/hypothesis.yaml

@@ -24,7 +24,7 @@ jobs:
     outputs:
       triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 2
       - uses: xarray-contrib/ci-trigger@v1
@@ -52,7 +52,7 @@ jobs:
       PYTHON_VERSION: "3.12"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
 

.github/workflows/label-prs.yml

@@ -6,7 +6,7 @@ jobs:
   label:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/labeler@v5
+      - uses: actions/labeler@v6
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"
           sync-labels: false

.github/workflows/nightly-wheels.yml

@@ -8,10 +8,10 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository == 'pydata/xarray'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.12"
 

.github/workflows/pypi-release.yaml

@@ -20,10 +20,10 @@ jobs:
       startsWith(github.ref, 'refs/tags/v')
       ) }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         name: Install Python
         with:
           python-version: "3.12"
@@ -58,11 +58,11 @@ jobs:
     needs: build-artifacts
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         name: Install Python
         with:
           python-version: "3.12"
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: releases
           path: dist
@@ -89,13 +89,13 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: releases
           path: dist
       - name: Publish package to TestPyPI
         if: github.event_name == 'push'
-        uses: pypa/gh-action-pypi-publish@v1.12.4
+        uses: pypa/gh-action-pypi-publish@v1.13.0
         with:
           repository_url: https://test.pypi.org/legacy/
           verbose: true
@@ -112,11 +112,11 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: releases
           path: dist
       - name: Publish package to PyPI
-        uses: pypa/gh-action-pypi-publish@v1.12.4
+        uses: pypa/gh-action-pypi-publish@v1.13.0
         with:
           verbose: true

.github/workflows/upstream-dev-ci.yaml

@@ -28,7 +28,7 @@ jobs:
     outputs:
       triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 2
       - uses: xarray-contrib/ci-trigger@v1
@@ -40,8 +40,6 @@ jobs:
     name: upstream-dev
     runs-on: ubuntu-latest
     needs: detect-ci-trigger
-    env:
-      ZARR_V3_EXPERIMENTAL_API: 1
     if: |
       always()
       && (
@@ -57,7 +55,7 @@ jobs:
       matrix:
         python-version: ["3.12"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
       - name: Set up conda environment
@@ -113,7 +111,7 @@ jobs:
       matrix:
         python-version: ["3.11"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
       - name: Set up conda environment
@@ -140,7 +138,7 @@ jobs:
         run: |
           python -m mypy --install-types --non-interactive --cobertura-xml-report mypy_report
       - name: Upload mypy coverage to Codecov
-        uses: codecov/codecov-action@v5.4.3
+        uses: codecov/codecov-action@v5.5.1
         with:
           file: mypy_report/cobertura.xml
           flags: mypy

.gitignore

@@ -89,3 +89,5 @@ doc/videos-gallery.txt
 # gitignore to make it _easier_ to work with `uv`, not as an indication that I
 # think we shouldn't...)
 uv.lock
+mypy_report/
+xarray-docs/