Support Python 3.10 to 3.13

- Drop support for 3.9
- Add support for 3.13
- Fix unit-tests workflow to use matrix for Python versions

.github/workflows/code-quality.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Build River
         uses: ./.github/actions/install-env
         with:
-          python-version: "3.12"
+          python-version: "3.13"
           build-root: false
 
       - name: Run pre-commit on all files

.github/workflows/dev-docs.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Build River
         uses: ./.github/actions/install-env
         with:
-          python-version: "3.12"
+          python-version: "3.13"
           build-root: false
 
       - name: Install extra Ubuntu dependencies

.github/workflows/pypi.yml

@@ -54,7 +54,7 @@ jobs:
         uses: pypa/[email protected]
         timeout-minutes: 720
         env:
-          CIBW_BUILD: "cp39-* cp310-* cp311-* cp312-*"
+          CIBW_BUILD: "cp310-* cp311-* cp312-* cp313-*"
           CIBW_ARCHS_LINUX: "x86_64 i686 aarch64"
           # CIBW_ARCHS_MACOS: "x86_64 arm64"
           CIBW_ARCHS_MACOS: "universal2"
@@ -109,7 +109,7 @@ jobs:
       - name: Build River
         uses: ./.github/actions/install-env
         with:
-          python-version: "3.12"
+          python-version: "3.13"
 
       - name: Build dist
         run: poetry build

.github/workflows/release-docs.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Build River
         uses: ./.github/actions/install-env
         with:
-          python-version: "3.12"
+          python-version: "3.13"
 
       - name: Install extra Ubuntu dependencies
         run: sudo apt-get install graphviz pandoc

.github/workflows/unit-tests.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.12", "3.11", "3.10"]
+        python-version: ["3.13", "3.12", "3.11", "3.10"]
 
     runs-on: ${{ matrix.os }}
 
@@ -23,7 +23,7 @@ jobs:
       - name: Build River
         uses: ./.github/actions/install-env
         with:
-          python-version: "3.12"
+          python-version: ${{ matrix.python-version }}
 
       - name: Cache River datasets
         uses: actions/cache@v4

README.md

@@ -103,7 +103,7 @@ Of course, this is just a contrived example. We welcome you to check the [introd
 
 ## 🛠 Installation
 
-River is intended to work with **Python 3.8 and above**. Installation can be done with `pip`:
+River is intended to work with **Python 3.10 and above**. Installation can be done with `pip`:
 
 ```sh
 pip install river

docs/releases/unreleased.md

@@ -2,6 +2,7 @@
 
 - The units used in River have been corrected to be based on powers of 2 (KiB, MiB). This only changes the display, the behaviour is unchanged.
 - The methods `learn_one`, `learn_many`, `update`, `revert`, and `append` now return `None`.
+- Dropped support for Python 3.9 and added support for Python 3.13.
 
 ## cluster
 

pyproject.toml

@@ -34,9 +34,9 @@ generate-setup-file = true
 script = "build.py"
 
 [tool.poetry.dependencies]
-python = "^3.9"
+python = "^3.10"
 numpy = ">=1.23.0"
-scipy = "^1.13.1"
+scipy = "^1.14.1"
 pandas = "^2.2.3"
 
 [tool.poetry.group.dev.dependencies]