Merge remote-tracking branch 'origin/split-ci' into test-change-in-fo…

…recasting

* origin/split-ci: (25 commits)
  Revert "removed test-full workflow"
  [DOC] fixing docstring example for `FhPlexForecaster` (sktime#4931)
  Revert "[MNT] instant release action" (sktime#5421)
  [MNT] instant release action (sktime#5419)
  Release 0.24.0 (sktime#5403)
  🚀 python 3.12 🚀  (sktime#5345)
  Revert "[MNT] instant release action" (sktime#5415)
  [MNT] 0.24.0 deprecations and change actions (sktime#5404)
  [MNT] [Dependabot](deps-dev): Update holidays requirement from <0.34,>=0.29 to >=0.29,<0.35 (sktime#5342)
  [MNT] Migrate from `pykalman` to `pykalman-bardo` (sktime#5277)
  [MNT] [Dependabot](deps-dev): Update skpro requirement from <2.1.0,>=2.0.0 to >=2.0.0,<2.2.0 (sktime#5396)
  [MNT] [Dependabot](deps-dev): Update numba requirement from <0.58,>=0.53 to >=0.53,<0.59 (sktime#5319)
  [MNT] update numba requirement from <0.58,>=0.53 to >=0.53,<0.59"" (sktime#5299)
  [MNT] instant release action (sktime#5265)
  Release 0.23.1 - omitted changelog commit (sktime#5413)
  Release 0.23.1 (sktime#5402)
  [ENH] Refactor of `DateTimeFeatures` tests to `pytest` fixtures (sktime#5397)
  [ENH] remove legacy except in `TestAllEstimators` for `predict_proba` (sktime#5386)
  [DOC] update docstring of `temporal_train_test_split` (sktime#4170)
  [ENH] parallelization backend calls in utility module - part 3, backend parameter passing in base class broadcasting (sktime#5405)
  ...

.all-contributorsrc

@@ -2414,6 +2414,24 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "adamkells",
+      "name": "Adam Kells",
+      "avatar_url": "https://avatars.githubusercontent.com/u/19709277?v=4",
+      "profile": "https://github.com/adamkells",
+      "contributions": [
+        "test"
+      ]
     }
+    {
+      "login": "xansh",
+      "name": "Ansh Kumar",
+      "avatar_url": "https://avatars.githubusercontent.com/u/65403652?s=400&u=a45b5dcca057cfaef737d5fab99850aca6da1607&v=4",
+      "profile": "https://github.com/xansh",
+      "contributions": [
+        "doc"
+      ]
+    },
   ]
 }

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,6 +1,7 @@
 <!--
-Thanks for contributing a pull request! Please ensure you have taken a look
-at our contribution guide: https://github.com/sktime/sktime/blob/main/CONTRIBUTING.md
+Welcome to sktime, and thanks for contributing!
+Please have a look at our contribution guide:
+https://www.sktime.net/en/latest/get_involved/contributing.html
 -->
 
 #### Reference Issues/PRs
@@ -9,7 +10,8 @@ Example: Fixes #1234. See also #3456.
 
 Please use keywords (e.g., Fixes) to create link to the issues or pull requests
 you resolved, so that they will automatically be closed when your pull request
-is merged. See https://github.com/blog/1506-closing-issues-via-pull-requests
+is merged. See https://github.com/blog/1506-closing-issues-via-pull-requests.
+If no issue exists, you can open one here: https://github.com/sktime/sktime/issues
 -->
 
 
@@ -21,7 +23,10 @@ A clear and concise description of what you have implemented.
 #### Does your contribution introduce a new dependency? If yes, which one?
 
 <!--
-If your contribution does add a new hard dependency, we may suggest to initially develop your contribution in a separate companion package in https://github.com/sktime/ to keep external dependencies of the core sktime package to a minimum.
+Only relevant if you changed pyproject.toml.
+We try to minimize dependencies in the core dependency set. There
+are also further specific instructions to follow for soft dependencies.
+See here for handling dependencies in sktime: https://www.sktime.net/en/latest/developer_guide/dependencies.html
 -->
 
 #### What should a reviewer concentrate their feedback on?
@@ -35,7 +40,8 @@ If your contribution does add a new hard dependency, we may suggest to initially
 
 #### Any other comments?
 <!--
-Please be aware that we are a loose team of volunteers so patience is necessary; assistance handling other issues is very welcome. We value all user contributions, no matter how minor they are. If we are slow to review, either the pull request needs some benchmarking, tinkering, convincing, etc. or more likely the reviewers are simply busy. In either case, we ask for your understanding during the review process.
+We value all user contributions, no matter how small or complex they are. If you have any questions, feel free to post
+in the dev-chat channel on the sktime discord https://discord.com/invite/54ACzaFsn7. If we are slow to review (>3 working days), likewise feel free to ping us on discord. Thank you for your understanding during the review process.
 -->
 
 #### PR checklist
@@ -57,7 +63,6 @@ Please go through the checklist below. Please feel free to remove points if they
 - [ ] If the estimator relies on a soft dependency, I've set the `python_dependencies` tag and ensured
   dependency isolation, see the [estimator dependencies guide](https://www.sktime.net/en/latest/developer_guide/dependencies.html#adding-a-soft-dependency).
 
-
 <!--
 Thanks for contributing!
 -->

.github/workflows/test.yml

@@ -168,3 +168,80 @@ jobs:
 
       - name: Publish code coverage
         uses: codecov/codecov-action@v3
+
+  test-full:
+    needs: test-nosoftdeps
+    strategy:
+      fail-fast: false  # to not fail all combinations if just one fail
+      matrix:
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - run: git remote set-branches origin 'main'
+
+      - run: git fetch --depth 1
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Display Python version
+        run: python -c "import sys; print(sys.version)"
+
+      - name: Install sktime and dependencies
+        run: |
+          python -m pip install .[all_extras_pandas2,dev] --no-cache-dir
+
+      - name: Show dependencies
+        run: python -m pip list
+
+      - name: Show available branches
+        run: git branch -a
+
+      - name: Run tests
+        run: make test
+
+      - name: Publish code coverage
+        uses: codecov/codecov-action@v3
+
+  test-unix-pandas1:
+    needs: test-nosoftdeps
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - run: git remote set-branches origin 'main'
+
+      - run: git fetch --depth 1
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Display Python version
+        run: python -c "import sys; print(sys.version)"
+
+      - name: Install sktime and dependencies
+        run: |
+          python -m pip install .[all_extras,dev,pandas1] --no-cache-dir
+
+      - name: Show dependencies
+        run: python -m pip list
+
+      - name: Show available branches
+        run: git branch -a
+
+      - name: Run tests
+        run: make test
+
+      - name: Publish code coverage
+        uses: codecov/codecov-action@v3

.github/workflows/wheels.yml

@@ -35,7 +35,7 @@ jobs:
       fail-fast: false  # to not fail all combinations if just one fail
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
       - uses: actions/checkout@v4
@@ -86,6 +86,11 @@ jobs:
             python-version: '3.11'
             bitness: 64
             platform_id: win_amd64
+          - os: windows-latest
+            python: 312
+            python-version: '3.12'
+            bitness: 64
+            platform_id: win_amd64
 
     steps:
       - uses: actions/checkout@v4