Drop Python 3.9, add 3.14 (#89)

Author: freakboy3742

.github/workflows/ci.yml

@@ -38,5 +38,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13" ]
+        python-version: [ "3.10", "3.11", "3.12", "3.13", "3.14" ]
         framework: [ "toga", "pyside6", "pygame", "console" ]
+        # Pygame and PySide6 haven't published 3.14 wheels yet.
+        exclude:
+          - python-version: "3.14"
+            framework: pyside6
+          - python-version: "3.14"
+            framework: pygame

.github/workflows/update-binary.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13-dev" ]
+        python-version: [ "3.10", "3.11", "3.12", "3.13", "3.14" ]
     outputs:
       BUILD_NUMBER: ${{ steps.build-vars.outputs.BUILD_NUMBER }}
 
@@ -33,6 +33,7 @@ jobs:
       uses: actions/setup-python@v5.6.0
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
 
     - name: Install Dependencies
       run: |
@@ -96,6 +97,6 @@ jobs:
         body: |
           Build ${{ needs.build-stubs.outputs.BUILD_NUMBER }} of the Briefcase macOS stub binary.
 
-          Includes support for Python 3.9-3.13.
+          Includes support for Python 3.10-3.14.
 
         artifacts: "dist/*"

{{ cookiecutter.format }}/briefcase.toml

@@ -11,12 +11,11 @@ entitlements_path = "{{ cookiecutter.class_name }}/{{ cookiecutter.app_name }}.e
 
 support_path = "Support"
 {{ {
-    "3.9": "support_revision = 16",
     "3.10": "support_revision = 12",
     "3.11": "support_revision = 7",
     "3.12": "support_revision = 7",
-    "3.13": "support_revision = 9",
-    "3.14": "support_revision = 5",
+    "3.13": "support_revision = 10",
+    "3.14": "support_revision = 6",
 }.get(cookiecutter.python_version|py_tag, "") }}
 cleanup_paths = [
     "Support/Python.xcframework/**/python*/config-*-darwin",