diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
@@ -6,7 +6,7 @@ jobs:
  build:
    runs-on: ubuntu-latest
    steps:
-    - uses: actions/checkout@v5
    - name: Doxygen Action
      uses: mattnotmitt/doxygen-action@1.12.0
      with:

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -36,9 +36,13 @@ jobs:

          - category: macos
            platform: x64
-            instance: macos-13

-        python: ["3.10", "3.11", "3.12", "3.13"]

    steps:
      - name: Set Environment on macOS
@@ -48,23 +52,27 @@ jobs:
          mono-version: latest

      - name: Checkout code
-        uses: actions/checkout@v5

      - name: Setup .NET
        uses: actions/setup-dotnet@v5
        with:
          dotnet-version: '8.0.x'

      - name: Set up Python ${{ matrix.python }}
-        uses: astral-sh/setup-uv@v6
        with:
          architecture: ${{ matrix.os.platform }}
          python-version: ${{ matrix.python }}
          activate-environment: true
          enable-cache: true

      - name: Synchronize the virtual environment
-        run: uv sync

      - name: Embedding tests (Mono/.NET Framework)
        run: dotnet test --runtime any-${{ matrix.os.platform }} --framework net472 --logger "console;verbosity=detailed" src/embed_tests/
@@ -88,4 +96,8 @@ jobs:
        run: pytest --runtime netfx

      - name: Python tests run from .NET
        run: dotnet test --runtime any-${{ matrix.os.platform }} src/python_tests_runner/
diff --git a/.github/workflows/nuget-preview.yml b/.github/workflows/nuget-preview.yml
@@ -21,7 +21,7 @@ jobs:
          echo "DATE_VER=$(date "+%Y-%m-%d")" >> $GITHUB_ENV

      - name: Checkout code
-        uses: actions/checkout@v5

      - name: Setup .NET
        uses: actions/setup-dotnet@v5

diff --git a/Directory.Build.props b/Directory.Build.props
@@ -4,11 +4,12 @@
    <AssemblyCopyright>Copyright (c) 2006-2025 The Contributors of the Python.NET Project</AssemblyCopyright>
    <AssemblyCompany>pythonnet</AssemblyCompany>
    <AssemblyProduct>Python.NET</AssemblyProduct>
-    <LangVersion>10.0</LangVersion>
    <IsPackable>false</IsPackable>
    <FullVersion>$([System.IO.File]::ReadAllText("$(MSBuildThisFileDirectory)version.txt").Trim())</FullVersion>
    <VersionPrefix>$(FullVersion.Split('-', 2)[0])</VersionPrefix>
    <VersionSuffix Condition="$(FullVersion.Contains('-'))">$(FullVersion.Split('-', 2)[1])</VersionSuffix>
  </PropertyGroup>
  <ItemGroup>
    <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />

diff --git a/doc/make.bat b/doc/make.bat
@@ -1,35 +1,35 @@
-@ECHO OFF
-
-pushd %~dp0
-
-REM Command file for Sphinx documentation
-
-if "%SPHINXBUILD%" == "" (
-	set SPHINXBUILD=sphinx-build
-)
-set SOURCEDIR=source
-set BUILDDIR=build
-
-%SPHINXBUILD% >NUL 2>NUL
-if errorlevel 9009 (
-	echo.
-	echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
-	echo.installed, then set the SPHINXBUILD environment variable to point
-	echo.to the full path of the 'sphinx-build' executable. Alternatively you
-	echo.may add the Sphinx directory to PATH.
-	echo.
-	echo.If you don't have Sphinx installed, grab it from
-	echo.https://www.sphinx-doc.org/
-	exit /b 1
-)
-
-if "%1" == "" goto help
-
-%SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
-goto end
-
-:help
-%SPHINXBUILD% -M help %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
-
-:end
-popd
diff --git a/pyproject.toml b/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
    "clr_loader>=0.2.7,<0.3.0"
]

-requires-python = ">=3.10, <3.14"

classifiers = [
    "Development Status :: 5 - Production/Stable",

diff --git a/requirements.txt b/requirements.txt
diff --git a/src/embed_tests/CallableObject.cs b/src/embed_tests/CallableObject.cs
@@ -9,34 +9,37 @@ namespace Python.EmbeddingTest
{
    public class CallableObject
    {
        [OneTimeSetUp]
        public void SetUp()
        {
-            PythonEngine.Initialize();
            using var locals = new PyDict();
            PythonEngine.Exec(CallViaInheritance.BaseClassSource, locals: locals);
-            CustomBaseTypeProvider.BaseClass = new PyType(locals[CallViaInheritance.BaseClassName]);
-            PythonEngine.InteropConfiguration.PythonBaseTypeProviders.Add(new CustomBaseTypeProvider());
        }

        [OneTimeTearDown]
        public void Dispose()
        {
-            PythonEngine.Shutdown();
        }
        [Test]
        public void CallMethodMakesObjectCallable()
        {
            var doubler = new DerivedDoubler();
            dynamic applyObjectTo21 = PythonEngine.Eval("lambda o: o(21)");
-            Assert.AreEqual(doubler.__call__(21), (int)applyObjectTo21(doubler.ToPython()));
        }
        [Test]
        public void CallMethodCanBeInheritedFromPython()
        {
            var callViaInheritance = new CallViaInheritance();
            dynamic applyObjectTo14 = PythonEngine.Eval("lambda o: o(14)");
-            Assert.AreEqual(callViaInheritance.Call(14), (int)applyObjectTo14(callViaInheritance.ToPython()));
        }

        [Test]
@@ -48,7 +51,7 @@ public void CanOverwriteCall()
            scope.Exec("orig_call = o.Call");
            scope.Exec("o.Call = lambda a: orig_call(a*7)");
            int result = scope.Eval<int>("o.Call(5)");
-            Assert.AreEqual(105, result);
        }

        class Doubler
@@ -71,16 +74,14 @@ class {BaseClassName}(MyCallableBase): pass
            public int Call(int arg) => 3 * arg;
        }

-        class CustomBaseTypeProvider : IPythonBaseTypeProvider
        {
-            internal static PyType BaseClass;
-
            public IEnumerable<PyType> GetBaseTypes(Type type, IList<PyType> existingBases)
            {
-                Assert.Greater(BaseClass.Refcount, 0);
                return type != typeof(CallViaInheritance)
                    ? existingBases
-                    : new[] { BaseClass };
            }
        }
    }

diff --git a/src/embed_tests/ClassManagerTests.cs b/src/embed_tests/ClassManagerTests.cs
@@ -6,18 +6,6 @@ namespace Python.EmbeddingTest
{
    public class ClassManagerTests
    {
-        [OneTimeSetUp]
-        public void SetUp()
-        {
-            PythonEngine.Initialize();
-        }
-
-        [OneTimeTearDown]
-        public void Dispose()
-        {
-            PythonEngine.Shutdown();
-        }
-
        [Test]
        public void NestedClassDerivingFromParent()
        {