diff --git a/.github/stale.yml b/.github/stale.yml
index e5625b7..bb7fa62 100644
--- a/.github/stale.yml
+++ b/.github/stale.yml
@@ -7,7 +7,7 @@ daysUntilStale: 180
 
 # Number of days of inactivity before an Issue or Pull Request with the stale label is closed.
 # Set to false to disable. If disabled, issues still need to be closed manually, but will remain marked as stale.
-daysUntilClose: 180
+daysUntilClose: false
 
 # Only issues or pull requests with all of these labels are check if stale. Defaults to `[]` (disabled)
 onlyLabels: []
@@ -31,10 +31,10 @@ exemptAssignees: false
 staleLabel: stale
 
 # Comment to post when marking as stale. Set to `false` to disable
-markComment: >
-  This issue has been automatically marked as stale because it has not had
-  recent activity. It will be closed if no further activity occurs. Thank you
-  for your contributions.
+markComment: false
+#  This issue has been automatically marked as stale because it has not had
+#  recent activity. It will be closed if no further activity occurs. Thank you
+#  for your contributions.
 
 # Comment to post when removing the stale label.
 # unmarkComment: >
diff --git a/.github/workflows/flake8.yml b/.github/workflows/flake8.yml
index 84e9436..4b47d24 100644
--- a/.github/workflows/flake8.yml
+++ b/.github/workflows/flake8.yml
@@ -16,7 +16,7 @@ permissions:
 jobs:
   Run:
     name: "Flake8"
-    runs-on: "ubuntu-18.04"
+    runs-on: "ubuntu-20.04"
 
     steps:
       - name: Checkout 🛎️
diff --git a/.github/workflows/mypy.yml b/.github/workflows/mypy.yml
index 5a7324b..db8ab06 100644
--- a/.github/workflows/mypy.yml
+++ b/.github/workflows/mypy.yml
@@ -47,7 +47,7 @@ jobs:
           python -VV
           python -m site
           python -m pip install --upgrade pip setuptools wheel
-          python -m pip install --upgrade tox virtualenv
+          python -m pip install --upgrade tox virtualenv!=20.16.0
 
       - name: "Run mypy"
         if: steps.changes.outputs.code == 'true'
diff --git a/.github/workflows/python_ci.yml b/.github/workflows/python_ci.yml
index b765b45..a22eeea 100644
--- a/.github/workflows/python_ci.yml
+++ b/.github/workflows/python_ci.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: "windows-2019"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11.0-alpha.6,pypy-3.6,pypy-3.7,pypy-3.8'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11.0-rc.1,pypy-3.6,pypy-3.7,pypy-3.8'
 
     strategy:
       fail-fast: False
@@ -33,7 +33,7 @@ jobs:
           - {python-version: "3.8", testenvs: "py38-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: False}
           - {python-version: "3.9", testenvs: "py39-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: False}
           - {python-version: "3.10", testenvs: "py310-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: False}
-          - {python-version: "3.11.0-alpha.6", testenvs: "py311-dev-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: True}
+          - {python-version: "3.11.0-rc.1", testenvs: "py311-dev-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: True}
           - {python-version: "pypy-3.6", testenvs: "pypy36-sphinx{4.0,4.1,4.2,4.3,4.4,latest},build", experimental: False}
           - {python-version: "pypy-3.7", testenvs: "pypy37-sphinx{4.0,4.1,4.2,4.3,4.4,latest},build", experimental: True}
           - {python-version: "pypy-3.8", testenvs: "pypy38-sphinx{4.0,4.1,4.2,4.3,4.4,latest},build", experimental: True}
@@ -65,7 +65,7 @@ jobs:
           python -VV
           python -m site
           python -m pip install --upgrade pip setuptools wheel
-          python -m pip install --upgrade tox virtualenv
+          python -m pip install --upgrade tox virtualenv!=20.16.0
 
       - name: "Run Tests for Python ${{ matrix.config.python-version }}"
         if: steps.setup-python.outcome == 'success'
diff --git a/.github/workflows/python_ci_linux.yml b/.github/workflows/python_ci_linux.yml
index a9dcced..e2da304 100644
--- a/.github/workflows/python_ci_linux.yml
+++ b/.github/workflows/python_ci_linux.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: "ubuntu-20.04"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11.0-alpha.6,pypy-3.6,pypy-3.7,pypy-3.8'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11.0-rc.1,pypy-3.6,pypy-3.7,pypy-3.8'
 
     strategy:
       fail-fast: False
@@ -34,7 +34,7 @@ jobs:
           - {python-version: "3.8", testenvs: "py38-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: False}
           - {python-version: "3.9", testenvs: "py39-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: False}
           - {python-version: "3.10", testenvs: "py310-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: False}
-          - {python-version: "3.11.0-alpha.6", testenvs: "py311-dev-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: True}
+          - {python-version: "3.11.0-rc.1", testenvs: "py311-dev-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: True}
           - {python-version: "pypy-3.6", testenvs: "pypy36-sphinx{4.0,4.1,4.2,4.3,4.4,latest},build", experimental: False}
           - {python-version: "pypy-3.7", testenvs: "pypy37-sphinx{4.0,4.1,4.2,4.3,4.4,latest},build", experimental: True}
           - {python-version: "pypy-3.8", testenvs: "pypy38-sphinx{4.0,4.1,4.2,4.3,4.4,latest},build", experimental: True}
@@ -66,7 +66,7 @@ jobs:
           python -VV
           python -m site
           python -m pip install --upgrade pip setuptools wheel
-          python -m pip install --upgrade tox virtualenv
+          python -m pip install --upgrade tox virtualenv!=20.16.0
           python -m pip install --upgrade coverage_pyver_pragma
 
       - name: "Run Tests for Python ${{ matrix.config.python-version }}"
diff --git a/.github/workflows/python_ci_macos.yml b/.github/workflows/python_ci_macos.yml
index 4ff1f32..e59ac12 100644
--- a/.github/workflows/python_ci_macos.yml
+++ b/.github/workflows/python_ci_macos.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: "macos-latest"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11.0-alpha.6,pypy-3.7,pypy-3.8'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11.0-rc.1,pypy-3.7,pypy-3.8'
 
     strategy:
       fail-fast: False
@@ -33,7 +33,7 @@ jobs:
           - {python-version: "3.8", testenvs: "py38-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: False}
           - {python-version: "3.9", testenvs: "py39-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: False}
           - {python-version: "3.10", testenvs: "py310-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: False}
-          - {python-version: "3.11.0-alpha.6", testenvs: "py311-dev-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: True}
+          - {python-version: "3.11.0-rc.1", testenvs: "py311-dev-sphinx{3.2,3.3,3.4,3.5,4.0,4.1,4.2,4.3,4.4,latest},build", experimental: True}
           - {python-version: "pypy-3.7", testenvs: "pypy37-sphinx{4.0,4.1,4.2,4.3,4.4,latest},build", experimental: True}
           - {python-version: "pypy-3.8", testenvs: "pypy38-sphinx{4.0,4.1,4.2,4.3,4.4,latest},build", experimental: True}
 
@@ -64,7 +64,7 @@ jobs:
           python -VV
           python -m site
           python -m pip install --upgrade pip setuptools wheel
-          python -m pip install --upgrade tox virtualenv
+          python -m pip install --upgrade tox virtualenv!=20.16.0
 
       - name: "Run Tests for Python ${{ matrix.config.python-version }}"
         if: steps.setup-python.outcome == 'success'
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index af7fd12..4291253 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -5,7 +5,7 @@ exclude: ^$
 
 repos:
  - repo: https://github.com/repo-helper/pyproject-parser
-   rev: v0.4.2
+   rev: v0.7.0
    hooks:
     - id: reformat-pyproject
 
@@ -30,7 +30,7 @@ repos:
     - id: end-of-file-fixer
 
  - repo: https://github.com/domdfcoding/pre-commit-hooks
-   rev: v0.3.0
+   rev: v0.4.0
    hooks:
     - id: requirements-txt-sorter
       args:
@@ -40,13 +40,13 @@ repos:
     - id: bind-requirements
 
  - repo: https://github.com/domdfcoding/flake8-dunder-all
-   rev: v0.1.8
+   rev: v0.2.2
    hooks:
     - id: ensure-dunder-all
       files: ^enum_tools/.*\.py$
 
  - repo: https://github.com/domdfcoding/flake2lint
-   rev: v0.4.1
+   rev: v0.4.2
    hooks:
     - id: flake2lint
 
@@ -67,7 +67,7 @@ repos:
        - --keep-runtime-typing
 
  - repo: https://github.com/Lucas-C/pre-commit-hooks
-   rev: v1.1.11
+   rev: v1.3.1
    hooks:
     - id: remove-crlf
     - id: forbid-crlf
@@ -78,13 +78,13 @@ repos:
     - id: snippet-fmt
 
  - repo: https://github.com/python-formate/formate
-   rev: v0.4.9
+   rev: v0.4.10
    hooks:
     - id: formate
       exclude: ^(doc-source/conf|__pkginfo__|setup)\.(_)?py$
 
  - repo: https://github.com/domdfcoding/dep_checker
-   rev: v0.6.2
+   rev: v0.7.0
    hooks:
     - id: dep_checker
       args:
diff --git a/README.rst b/README.rst
index 48bdc68..426b3dd 100644
--- a/README.rst
+++ b/README.rst
@@ -58,8 +58,8 @@ Enum Tools
 	:target: https://github.com/domdfcoding/enum_tools/actions?query=workflow%3A%22mypy%22
 	:alt: mypy status
 
-.. |requires| image:: https://dependency-dash.herokuapp.com/github/domdfcoding/enum_tools/badge.svg
-	:target: https://dependency-dash.herokuapp.com/github/domdfcoding/enum_tools/
+.. |requires| image:: https://dependency-dash.repo-helper.uk/github/domdfcoding/enum_tools/badge.svg
+	:target: https://dependency-dash.repo-helper.uk/github/domdfcoding/enum_tools/
 	:alt: Requirements Status
 
 .. |coveralls| image:: https://img.shields.io/coveralls/github/domdfcoding/enum_tools/master?logo=coveralls
diff --git a/doc-source/conf.py b/doc-source/conf.py
index 449f177..19821cd 100644
--- a/doc-source/conf.py
+++ b/doc-source/conf.py
@@ -27,7 +27,8 @@
 slug = re.sub(r'\W+', '-', project.lower())
 release = version = config.version
 
-todo_include_todos = bool(os.environ.get("SHOW_TODOS", 0))
+sphinx_builder = os.environ.get("SPHINX_BUILDER", "html").lower()
+todo_include_todos = int(os.environ.get("SHOW_TODOS", 0)) and sphinx_builder != "latex"
 
 intersphinx_mapping = {
 		"python": ("https://docs.python.org/3/", None),
diff --git a/doc-source/index.rst b/doc-source/index.rst
index 2ccb9a4..9914952 100644
--- a/doc-source/index.rst
+++ b/doc-source/index.rst
@@ -69,8 +69,8 @@ Enum Tools
 		:workflow: mypy
 		:alt: mypy status
 
-	.. |requires| image:: https://dependency-dash.herokuapp.com/github/domdfcoding/enum_tools/badge.svg
-		:target: https://dependency-dash.herokuapp.com/github/domdfcoding/enum_tools/
+	.. |requires| image:: https://dependency-dash.repo-helper.uk/github/domdfcoding/enum_tools/badge.svg
+		:target: https://dependency-dash.repo-helper.uk/github/domdfcoding/enum_tools/
 		:alt: Requirements Status
 
 	.. |coveralls| coveralls-shield::
diff --git a/justfile b/justfile
new file mode 100644
index 0000000..e8ed871
--- /dev/null
+++ b/justfile
@@ -0,0 +1,22 @@
+default: lint
+
+pdf-docs: latex-docs
+	make -C doc-source/build/latex/
+
+latex-docs:
+	SPHINX_BUILDER=latex tox -e docs
+
+unused-imports:
+	tox -e lint -- --select F401
+
+incomplete-defs:
+	tox -e lint -- --select MAN
+
+vdiff:
+	git diff $(repo-helper show version -q)..HEAD
+
+bare-ignore:
+	greppy '# type:? *ignore(?!\[|\w)' -s
+
+lint: unused-imports incomplete-defs bare-ignore
+	tox -n qa
diff --git a/pyproject.toml b/pyproject.toml
index e061874..34d7702 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -65,6 +65,7 @@ extensions = [
     "sphinx_toolbox.more_autosummary",
     "sphinx_toolbox.documentation_summary",
     "sphinx_toolbox.tweaks.param_dash",
+    "sphinxcontrib.toctree_plus",
     "sphinx_toolbox.tweaks.latex_layout",
     "sphinx_toolbox.tweaks.latex_toc",
     "sphinx.ext.intersphinx",
@@ -75,7 +76,6 @@ extensions = [
     "notfound.extension",
     "sphinx_copybutton",
     "sphinxcontrib.default_values",
-    "sphinxcontrib.toctree_plus",
     "sphinx_debuginfo",
     "sphinx_licenseinfo",
     "seed_intersphinx_mapping",
diff --git a/tox.ini b/tox.ini
index 071d89f..9154f8b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,6 +6,7 @@
 #     * testenv:docs
 #     * testenv:build
 #     * testenv:lint
+#     * testenv:perflint
 #     * testenv:mypy
 #     * testenv:pyup
 #     * testenv:coverage
@@ -31,8 +32,9 @@ envlist =
 skip_missing_interpreters = True
 isolated_build = True
 requires =
-    pip>=21
+    pip>=21,!=22.2
     tox-envlist>=0.2.1
+    virtualenv!=20.16.0
 
 [envlists]
 test =
@@ -52,6 +54,7 @@ cov = py36-sphinx3.2, coverage
 setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
+    SETUPTOOLS_USE_DISTUTILS=stdlib
 deps =
     -r{toxinidir}/tests/requirements.txt
     sphinx3.2: sphinx~=3.2.0
@@ -71,6 +74,7 @@ commands =
 
 [testenv:docs]
 setenv = SHOW_TODOS = 1
+passenv = SPHINX_BUILDER
 basepython = python3.8
 changedir = {toxinidir}/doc-source
 extras = all
@@ -95,15 +99,15 @@ changedir = {toxinidir}
 ignore_errors = True
 skip_install = True
 deps =
-    flake8>=3.8.2
+    flake8>=3.8.2,<5
     flake8-2020>=1.6.0
     flake8-builtins>=1.5.3
     flake8-docstrings>=1.5.0
     flake8-dunder-all>=0.1.1
     flake8-encodings>=0.1.0
     flake8-github-actions>=0.1.0
-    flake8-noqa>=1.1.0
-    flake8-pyi>=20.10.0
+    flake8-noqa>=1.1.0,<=1.2.2
+    flake8-pyi>=20.10.0,<=22.8.0
     flake8-pytest-style>=1.3.0
     flake8-quotes>=3.3.0
     flake8-slots>=0.1.0
@@ -113,11 +117,20 @@ deps =
     git+https://github.com/domdfcoding/flake8-rst-docstrings-sphinx.git
     git+https://github.com/domdfcoding/flake8-rst-docstrings.git
     git+https://github.com/python-formate/flake8-unused-arguments.git@magic-methods
+    git+https://github.com/python-formate/flake8-missing-annotations.git
     pydocstyle>=6.0.0
     pygments>=2.7.1
     importlib_metadata<4.5.0; python_version<'3.8'
 commands = python3 -m flake8_rst_docstrings_sphinx enum_tools tests --allow-toolbox {posargs}
 
+[testenv:perflint]
+basepython = python3.6
+changedir = {toxinidir}
+ignore_errors = True
+skip_install = True
+deps = perflint
+commands = python3 -m perflint enum_tools {posargs}
+
 [testenv:mypy]
 basepython = python3.6
 ignore_errors = True
@@ -147,6 +160,7 @@ passenv =
     COV_PYTHON_VERSION
     COV_PLATFORM
     COV_PYTHON_IMPLEMENTATION
+    *
 changedir = {toxinidir}
 deps =
     coverage>=5