robust-python
diff --git a/.cookiecutter.json b/.cookiecutter.json
@@ -1,5 +1,5 @@
 {
-  "_commit": "b36862f08dac62022ba33f94c31be4bac4181340",
+  "_commit": "a2d5945a169185d37abe3b1eaad1871ece5d9eec",
   "_max_python_version_minor_int": 14,
   "_min_python_version_minor_int": 10,
   "_template": "C:\\Users\\56kyl\\source\\repos\\cookiecutter-robust-python",

diff --git a/.cruft.json b/.cruft.json
@@ -1,6 +1,6 @@
 {
   "template": "C:\\Users\\56kyl\\source\\repos\\cookiecutter-robust-python",
-  "commit": "b36862f08dac62022ba33f94c31be4bac4181340",
+  "commit": "a2d5945a169185d37abe3b1eaad1871ece5d9eec",
   "checkout": null,
   "context": {
     "cookiecutter": {
@@ -20,7 +20,7 @@
       "license": "MIT",
       "development_status": "Development Status :: 1 - Planning",
       "_template": "C:\\Users\\56kyl\\source\\repos\\cookiecutter-robust-python",
-      "_commit": "b36862f08dac62022ba33f94c31be4bac4181340",
+      "_commit": "a2d5945a169185d37abe3b1eaad1871ece5d9eec",
       "_min_python_version_minor_int": 10,
       "_max_python_version_minor_int": 14,
       "python_versions": [

diff --git a/.github/workflows/build-docs.yml b/.github/workflows/build-docs.yml
@@ -12,7 +12,7 @@ on:
       - "pyproject.toml"
       - ".github/workflows/build-docs.yml"
       - ".ruff.toml" # Affects docstrings via linting
-      - "pyrightconfig.json" # Affects type hints in docs
+      - "pyrightconfig.json" # Basedpyright config - affects type hints in docs
 
   push:
     branches:

diff --git a/.gitignore b/.gitignore
@@ -56,8 +56,9 @@ Thumbs.db      # Windows thumbnail cache
 # MyPy cache (if used standalone or by IDE)
 .mypy_cache/
 
-# Pyright cache
+# Pyright/Basedpyright cache
 .pyright/
+.basedpyright/
 
 # Ruff cache
 .ruff_cache/

diff --git a/.vscode/extensions.json b/.vscode/extensions.json
@@ -4,7 +4,7 @@
     "ms-python.python",
     "ms-python.vscode-pylance",
     "charliermarsh.ruff",
-    "ms-pyright.pyright",
+    "detachhead.basedpyright",
 
     // Git + pre-commit workflow
     "ryanluker.vscode-pre-commit",

diff --git a/.vscode/settings.json b/.vscode/settings.json
@@ -14,7 +14,7 @@
   "ruff.args": ["--config", "${workspaceFolder}/.ruff.toml"],
   "python.linting.enabled": true,
   "python.linting.ruffEnabled": true,
-  // Pyright
+  // Basedpyright
   "python.analysis.typeCheckingMode": "basic",
 
   // Pytest

diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,5 @@
+## v0.34.0 (2025-11-24)
+
 ## v0.33.0 (2025-11-17)
 
 ## v0.32.0 (2025-11-17)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -121,7 +121,7 @@ This project follows these standards:
 
 - **Code formatting:** [Ruff][ruff-documentation] (automatically applied by pre-commit)
 - **Linting:** Ruff with comprehensive rule set
-- **Type checking:** [Pyright][pyright-documentation]
+- **Type checking:** [Basedpyright][basedpyright-documentation]
 - **Security:** [Bandit][bandit-documentation] for security linting
 - **Commit messages:** [Conventional Commits][conventional-commits] format preferred
 - **Testing:** [pytest][pytest-documentation] with good coverage
@@ -168,7 +168,7 @@ Common Nox sessions for development:
 # Code quality
 uvx nox -s format-python    # Format with Ruff
 uvx nox -s lint-python      # Lint with Ruff
-uvx nox -s typecheck        # Type check with Pyright
+uvx nox -s typecheck        # Type check with Basedpyright
 uvx nox -s security-python  # Security checks
 
 # Testing
@@ -206,6 +206,7 @@ _This project was generated from the [cookiecutter-robust-python][cookiecutter-r
 [discussions]: https://github.com/56kyle/robust-python-demo/discussions
 [uv-documentation]: https://docs.astral.sh/uv/
 [ruff-documentation]: https://docs.astral.sh/ruff/
+[basedpyright-documentation]: https://github.com/detachhead/basedpyright
 [pyright-documentation]: https://github.com/microsoft/pyright
 [bandit-documentation]: https://bandit.readthedocs.io/
 [conventional-commits]: https://www.conventionalcommits.org/

diff --git a/noxfile.py b/noxfile.py
@@ -14,13 +14,7 @@
 nox.options.default_venv_backend = "uv"
 os.environ.setdefault("PYO3_USE_ABI3_FORWARD_COMPATIBILITY", "1")
 
-# Logic that helps avoid metaprogramming in cookiecutter-robust-python
-MIN_PYTHON_VERSION_SLUG: int = int("3.10".lstrip("3."))
-MAX_PYTHON_VERSION_SLUG: int = int("3.14".lstrip("3."))
-
-PYTHON_VERSIONS: List[str] = [
-    f"3.{VERSION_SLUG}" for VERSION_SLUG in range(MIN_PYTHON_VERSION_SLUG, MAX_PYTHON_VERSION_SLUG + 1)
-]
+PYTHON_VERSIONS: List[str] = ['3.10', '3.11', '3.12', '3.13', '3.14']
 DEFAULT_PYTHON_VERSION: str = PYTHON_VERSIONS[-1]
 
 REPO_ROOT: Path = Path(__file__).parent.resolve()
@@ -102,11 +96,11 @@ def lint_python(session: Session) -> None:
 
 @nox.session(python=PYTHON_VERSIONS, name="typecheck")
 def typecheck(session: Session) -> None:
-    """Run static type checking (Pyright) on Python code."""
+    """Run static type checking (Basedpyright) on Python code."""
     session.log("Installing type checking dependencies...")
     session.install("-e", ".", "--group", "dev")
 
-    session.log(f"Running Pyright check with py{session.python}.")
+    session.log(f"Running Basedpyright check with py{session.python}.")
     session.run("pyright", "--pythonversion", session.python)
 
 

diff --git a/pyproject.toml b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "robust-python-demo"
-version = "0.33.0"
+version = "0.34.0"
 description = "robust-python-demo"
 authors = [
     { name = "Kyle Oliver", email = "56kyleoliver+cookiecutter-robust-python@gmail.com" },
@@ -41,7 +41,7 @@ dev = [
     "pip-audit>=2.9.0",
     "pytest>=8.3.5",
     "pytest-cov>=6.1.1",
-    "pyright>=1.1.400",
+    "basedpyright>=1.34.0",
 ]
 docs = [
     "furo>=2024.8.6",

diff --git a/pyrightconfig.json b/pyrightconfig.json
@@ -32,8 +32,10 @@
   "reportPropertyTypeMismatch": "warning",
   "reportReturnTypeFromAnnotation": "warning",
   "reportMissingReturnType": "warning",
-  "basic": true,
   "reportMissingParameterType": "warning",
   "reportOptionalOperand": "warning",
-  "pythonVersion": "3.10"
+  "pythonVersion": "3.10",
+
+  "reportAny": "error",
+  "reportExplicitAny": "warning"
 }
diff --git a/uv.lock b/uv.lock