diff --git a/.circleci/config.yml b/.circleci/config.yml
index 612552f4eac59..0d9e3ade08846 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -13,7 +13,7 @@ jobs:
       PANDAS_CI: "1"
     steps:
       - checkout
-      - run: ci/setup_env.sh
+      - run: .circleci/setup_env.sh
       - run: PATH=$HOME/miniconda3/envs/pandas-dev/bin:$HOME/miniconda3/condabin:$PATH ci/run_tests.sh
 
 workflows:
diff --git a/ci/setup_env.sh b/.circleci/setup_env.sh
similarity index 100%
rename from ci/setup_env.sh
rename to .circleci/setup_env.sh
diff --git a/.github/actions/build-pandas/action.yml b/.github/actions/build-pandas/action.yml
new file mode 100644
index 0000000000000..b91bf456e0e60
--- /dev/null
+++ b/.github/actions/build-pandas/action.yml
@@ -0,0 +1,39 @@
+name: Build pandas
+description: Rebuilds the C extensions and installs pandas
+runs:
+  using: composite
+  steps:
+    - name: Environment Detail
+      run: |
+        if which micromamba; then
+          micromamba info
+          micromamba list
+          micromamba info | grep -Ei 'environment.+:' | grep -qEiv 'environment.+:.+none'
+        fi
+        if which pip; then
+          pip list
+        fi
+        python --version
+      shell: bash -el {0}
+
+    - name: Get Python version
+      id: get-python-version
+      run: python3 -c "import platform as p; print(f'::set-output name=version::{p.python_implementation()}-{p.python_version()}')"
+      shell: bash -el {0}
+
+    - name: Set up sccache
+      uses: ./.github/actions/setup-sccache
+      with:
+        extra-cache-key: ${{ steps.get-python-version.outputs.version }}
+
+    - name: Build Pandas
+      run: |
+        which python
+        which pip
+        time DISTUTILS_C_COMPILER_LAUNCHER=sccache python setup.py build_ext -v -j 2
+        pip install -v -e . --no-build-isolation --no-use-pep517 --no-index
+      shell: bash -el {0}
+
+    - name: Build Version
+      run: pushd /tmp && python -c "import pandas; pandas.show_versions();" && popd
+      shell: bash -el {0}
diff --git a/.github/actions/build_pandas/action.yml b/.github/actions/build_pandas/action.yml
deleted file mode 100644
index 2e4bfea165316..0000000000000
--- a/.github/actions/build_pandas/action.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-name: Build pandas
-description: Rebuilds the C extensions and installs pandas
-runs:
-  using: composite
-  steps:
-
-    - name: Environment Detail
-      run: |
-        conda info
-        conda list
-      shell: bash -l {0}
-
-    - name: Build Pandas
-      run: |
-        python setup.py build_ext -j 2
-        python -m pip install -e . --no-build-isolation --no-use-pep517 --no-index
-      shell: bash -l {0}
diff --git a/.github/actions/run-tests/action.yml b/.github/actions/run-tests/action.yml
new file mode 100644
index 0000000000000..45c9f24118b79
--- /dev/null
+++ b/.github/actions/run-tests/action.yml
@@ -0,0 +1,34 @@
+name: Run tests and report results
+inputs:
+  check-pyarrow-version:
+    required: false
+runs:
+  using: composite
+  steps:
+    - name: Check PyArrow version
+      run: |
+        # Double check that we have the expected PyArrow
+        pushd /tmp
+        python -c "import pandas; pandas.show_versions()" | egrep -i "pyarrow.+: ${{ matrix.check-pyarrow-version }}"
+        popd
+      shell: bash -el {0}
+      if: ${{ inputs.check-pyarrow-version }}
+
+    - name: Test
+      run: ci/run_tests.sh
+      shell: bash -el {0}
+
+    - name: Publish test results
+      uses: actions/upload-artifact@v2
+      with:
+        name: Test results
+        path: test-data.xml
+      if: failure()
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v2
+      with:
+        flags: unittests
+        name: codecov-pandas
+        fail_ci_if_error: false
+      if: failure()
diff --git a/.github/actions/setup-python/action.yml b/.github/actions/setup-python/action.yml
new file mode 100644
index 0000000000000..3345ff72688dd
--- /dev/null
+++ b/.github/actions/setup-python/action.yml
@@ -0,0 +1,65 @@
+name: Setup Python and install requirements
+inputs:
+  python-version:
+    required: true
+  architecture:
+    default: x64
+runs:
+  using: composite
+  steps:
+    # TODO: GH#44980 https://github.com/pypa/setuptools/issues/2941
+    - name: Create temporary requirements.txt
+      run: |
+        # Drop cache at least once per month
+        month_today="$(date '+%Y-%m')"
+        cat > requirements.txt <<EOF
+          # $month_today
+
+          # Python deps
+          pip
+          setuptools<60.0.0
+          wheel
+
+          # Pandas deps
+          # GH 39416
+          numpy
+          cython
+          python-dateutil
+          pytz
+
+          # Test deps
+          git+https://github.com/nedbat/coveragepy.git
+          hypothesis
+          pytest>=6.2.5
+          pytest-xdist
+          pytest-cov
+          pytest-asyncio>=0.17
+        EOF
+      shell: bash -el {0}
+
+    - name: Set up Python
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ inputs.python-version }}
+        architecture: ${{ inputs.architecture }}
+        cache: pip
+
+    - name: Fix $PATH on macOS
+      run: |
+        # On macOS, the Python version we installed above is too late in $PATH
+        # to be effective if using "bash -l" (which we need for code that works
+        # with Conda envs).
+        cat >> ~/.bash_profile <<EOF
+          export PATH="\$(echo "\$PATH" | grep -Eio '[^:]+hostedtoolcache/python[^:]+bin'):\$PATH" \
+        EOF
+      shell: bash -el {0}
+      if: ${{ runner.os == 'macOS' }}
+
+    - name: Install dependencies
+      run: |
+        cat requirements.txt
+        # TODO https://github.com/numpy/numpy/issues/21196
+        bits32=$(python -c 'import sys; print(int(sys.maxsize > 2**32))')
+        NPY_DISABLE_SVML=$bits32 pip install -r requirements.txt
+        pip list
+      shell: bash -el {0}
diff --git a/.github/actions/setup-sccache/action.yml b/.github/actions/setup-sccache/action.yml
new file mode 100644
index 0000000000000..9e59cc034fe18
--- /dev/null
+++ b/.github/actions/setup-sccache/action.yml
@@ -0,0 +1,28 @@
+name: Setup sccache
+inputs:
+  extra-cache-key:
+    required: false
+    default: ''
+runs:
+  using: composite
+  steps:
+    - name: Get Date
+      id: get-date
+      run: echo "::set-output name=today::$(/bin/date -u '+%Y%m%d')"
+      shell: bash
+
+    - name: Fix Windows temporary directory
+      # On Windows, for some reason the default temporary directory provided to sccache
+      # may become read-only at some point. Work around by having a private tempdir.
+      id: mktemp
+      run: echo "::set-output name=tmpdir::$(cygpath -w $(mktemp -d))"
+      shell: bash
+      if: ${{ runner.os == 'Windows' }}
+
+    - name: Setup sccache
+      uses: hendrikmuhs/ccache-action@v1.2
+      with:
+        variant: sccache
+        key: ${{ runner.os }}--${{ runner.arch }}--${{ github.workflow }}--${{ steps.get-date.outputs.today }}--${{ inputs.extra-cache-key }}
+      env:
+        TMP: "${{ steps.mktemp.outputs.tmpdir }}"
diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
index 9ef00e7a85a6f..668ca94ca6a7d 100644
--- a/.github/actions/setup/action.yml
+++ b/.github/actions/setup/action.yml
@@ -1,12 +1,50 @@
 name: Set up pandas
 description: Runs all the setup steps required to have a built pandas ready to use
+inputs:
+  environment-file:
+    default: environment.yml
+  pyarrow-version:
+      required: false
+  is-pypy:
+    default: false
+  environment-name:
+    default: pandas-dev
+  python-version:
+    required: false
 runs:
   using: composite
   steps:
-    - name: Setting conda path
-      run: echo "${HOME}/miniconda3/bin" >> $GITHUB_PATH
-      shell: bash -l {0}
+    - name: Set Arrow version in ${{ inputs.environment-file }} to ${{ inputs.pyarrow-version }}
+      run: |
+        grep -q '  - pyarrow' ${{ inputs.environment-file }}
+        sed -i"" -e "s/  - pyarrow/  - pyarrow=${{ inputs.pyarrow-version }}/" ${{ inputs.environment-file }}
+        cat ${{ inputs.environment-file }}
+      shell: bash
+      if: ${{ inputs.pyarrow-version }}
 
-    - name: Setup environment and build pandas
-      run: ci/setup_env.sh
-      shell: bash -l {0}
+    - name: Pin setuptools (GH#44980)
+      run: |
+        echo '  - setuptools <60' >> ${{ inputs.environment-file }}
+      shell: bash
+
+    - name: Install ${{ inputs.environment-file }} (Python ${{ inputs.python-version }})
+      uses: mamba-org/provision-with-micromamba@main
+      with:
+        environment-name: ${{ inputs.environment-name }}
+        environment-file: ${{ inputs.environment-file }}
+        extra-specs: |
+          ${{ inputs.python-version && format('python={0}', inputs.python-version) }}
+        cache-env: true
+      if: ${{ inputs.is-pypy == 'false' }} # No pypy3.8 support
+
+    - name: Setup PyPy
+      uses: actions/setup-python@v3
+      with:
+        python-version: "pypy-3.8"
+      if: ${{ inputs.is-pypy == 'true' }}
+
+    - name: Setup PyPy dependencies
+      # TODO: re-enable cov, its slowing the tests down though
+      run: pip install Cython numpy python-dateutil pytz pytest>=6.0 pytest-xdist>=1.31.0 hypothesis>=5.5.3 pytest-asyncio>=0.17
+      shell: bash
+      if: ${{ inputs.is-pypy == 'true' }}
diff --git a/.github/workflows/asv-bot.yml b/.github/workflows/asv-bot.yml
index f3946aeb84a63..63cad09e2e223 100644
--- a/.github/workflows/asv-bot.yml
+++ b/.github/workflows/asv-bot.yml
@@ -6,8 +6,7 @@ on:
       - created
 
 env:
-  ENV_FILE: environment.yml
-  COMMENT: ${{github.event.comment.body}}
+  COMMENT: ${{ github.event.comment.body }}
 
 jobs:
   autotune:
@@ -17,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     defaults:
       run:
-        shell: bash -l {0}
+        shell: bash -el {0}
 
     concurrency:
       # Set concurrency to prevent abuse(full runs are ~5.5 hours !!!)
@@ -29,24 +28,14 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
-      - name: Cache conda
-        uses: actions/cache@v2
-        with:
-          path: ~/conda_pkgs_dir
-          key: ${{ runner.os }}-conda-${{ hashFiles('${{ env.ENV_FILE }}') }}
-
-        # Although asv sets up its own env, deps are still needed
-        # during discovery process
-      - uses: conda-incubator/setup-miniconda@v2
-        with:
-          activate-environment: pandas-dev
-          channel-priority: strict
-          environment-file: ${{ env.ENV_FILE }}
-          use-only-tar-bz2: true
+      # Although asv sets up its own env, deps are still needed
+      # during discovery process
+      - name: Set up Conda
+        uses: ./.github/actions/setup
 
       - name: Run benchmarks
         id: bench
diff --git a/.github/workflows/autoupdate-pre-commit-config.yml b/.github/workflows/autoupdate-pre-commit-config.yml
index 3696cba8cf2e6..11484f98995bc 100644
--- a/.github/workflows/autoupdate-pre-commit-config.yml
+++ b/.github/workflows/autoupdate-pre-commit-config.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
       - name: Cache multiple paths
         uses: actions/cache@v2
         with:
diff --git a/.github/workflows/code-checks.yml b/.github/workflows/code-checks.yml
index f32fed3b3ee68..667f3da6ce972 100644
--- a/.github/workflows/code-checks.yml
+++ b/.github/workflows/code-checks.yml
@@ -11,7 +11,6 @@ on:
       - 1.4.x
 
 env:
-  ENV_FILE: environment.yml
   PANDAS_CI: 1
 
 jobs:
@@ -24,10 +23,10 @@ jobs:
       cancel-in-progress: true
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     - name: Install Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v3
       with:
         python-version: '3.9.7'
 
@@ -39,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     defaults:
       run:
-        shell: bash -l {0}
+        shell: bash -el {0}
 
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
@@ -48,24 +47,17 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
 
-    - name: Cache conda
-      uses: actions/cache@v2
-      with:
-        path: ~/conda_pkgs_dir
-        key: ${{ runner.os }}-conda-${{ hashFiles('${{ env.ENV_FILE }}') }}
+    - name: Set up Conda
+      uses: ./.github/actions/setup
 
-    - uses: conda-incubator/setup-miniconda@v2
-      with:
-        mamba-version: "*"
-        channels: conda-forge
-        activate-environment: pandas-dev
-        channel-priority: strict
-        environment-file: ${{ env.ENV_FILE }}
-        use-only-tar-bz2: true
+    - name: Build Pandas
+      uses: ./.github/actions/build-pandas
+      id: build
+      continue-on-error: true
 
     - name: Install node.js (for pyright)
       uses: actions/setup-node@v2
@@ -76,10 +68,6 @@ jobs:
       # note: keep version in sync with .pre-commit-config.yaml
       run: npm install -g pyright@1.1.230
 
-    - name: Build Pandas
-      id: build
-      uses: ./.github/actions/build_pandas
-
     - name: Run checks on imported code
       run: ci/code_checks.sh code
       if: ${{ steps.build.outcome == 'success' }}
@@ -105,7 +93,7 @@ jobs:
     runs-on: ubuntu-latest
     defaults:
       run:
-        shell: bash -l {0}
+        shell: bash -el {0}
 
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
@@ -114,28 +102,15 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
 
-    - name: Cache conda
-      uses: actions/cache@v2
-      with:
-        path: ~/conda_pkgs_dir
-        key: ${{ runner.os }}-conda-${{ hashFiles('${{ env.ENV_FILE }}') }}
-
-    - uses: conda-incubator/setup-miniconda@v2
-      with:
-        mamba-version: "*"
-        channels: conda-forge
-        activate-environment: pandas-dev
-        channel-priority: strict
-        environment-file: ${{ env.ENV_FILE }}
-        use-only-tar-bz2: true
+    - name: Set up Conda
+      uses: ./.github/actions/setup
 
     - name: Build Pandas
-      id: build
-      uses: ./.github/actions/build_pandas
+      uses: ./.github/actions/build-pandas
 
     - name: Run ASV benchmarks
       run: |
@@ -148,7 +123,6 @@ jobs:
         if grep "failed" benchmarks.log > /dev/null ; then
             exit 1
         fi
-      if: ${{ steps.build.outcome == 'success' }}
 
     - name: Publish benchmarks artifact
       uses: actions/upload-artifact@v2
@@ -162,7 +136,7 @@ jobs:
     runs-on: ubuntu-latest
     defaults:
       run:
-        shell: bash -l {0}
+        shell: bash -el {0}
 
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
@@ -174,7 +148,7 @@ jobs:
         run: docker image prune -f
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/comment_bot.yml b/.github/workflows/comment_bot.yml
index 8f610fd5781ef..5c47a500a0f9e 100644
--- a/.github/workflows/comment_bot.yml
+++ b/.github/workflows/comment_bot.yml
@@ -12,7 +12,7 @@ jobs:
     if: startsWith(github.event.comment.body, '@github-actions pre-commit')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: r-lib/actions/pr-fetch@v2
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
@@ -23,7 +23,7 @@ jobs:
             ~/.cache/pre-commit
             ~/.cache/pip
           key: pre-commit-dispatched-${{ runner.os }}-build
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v3
         with:
           python-version: 3.8
       - name: Install-pre-commit
diff --git a/.github/workflows/docbuild-and-upload.yml b/.github/workflows/docbuild-and-upload.yml
index 4cce75779d750..8b8154cc53d53 100644
--- a/.github/workflows/docbuild-and-upload.yml
+++ b/.github/workflows/docbuild-and-upload.yml
@@ -11,13 +11,15 @@ on:
       - 1.4.x
 
 env:
-  ENV_FILE: environment.yml
   PANDAS_CI: 1
 
 jobs:
   web_and_docs:
     name: Doc Build and Upload
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash -el {0}
 
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
@@ -26,21 +28,21 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
 
-    - name: Set up pandas
+    - name: Set up Conda
       uses: ./.github/actions/setup
 
+    - name: Build pandas
+      uses: ./.github/actions/build-pandas
+
     - name: Build website
-      run: |
-        source activate pandas-dev
-        python web/pandas_web.py web/pandas --target-path=web/build
+      run: python web/pandas_web.py web/pandas --target-path=web/build
+
     - name: Build documentation
-      run: |
-        source activate pandas-dev
-        doc/make.py --warnings-are-errors
+      run: doc/make.py --warnings-are-errors
 
     - name: Install ssh key
       run: |
diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
new file mode 100644
index 0000000000000..8d2df387d5f75
--- /dev/null
+++ b/.github/workflows/macos-windows.yml
@@ -0,0 +1,62 @@
+name: macOS and Windows
+
+on:
+  push:
+    branches:
+      - main
+      - 1.4.x
+  pull_request:
+    branches:
+      - main
+      - 1.4.x
+    paths-ignore:
+      - "doc/**"
+
+env:
+  PANDAS_CI: 1
+  PYTEST_TARGET: pandas
+  PYTEST_WORKERS: auto
+  PATTERN: "not slow and not db and not network and not single_cpu"
+
+jobs:
+  pytest:
+    runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        shell: bash -el {0}
+    timeout-minutes: 120
+    strategy:
+      matrix:
+        os: [macos-10.15, windows-2019]
+        env_file: [actions-38.yaml, actions-39.yaml, actions-310.yaml]
+        pyarrow_version: [6]
+      fail-fast: false
+    name: ${{ matrix.name || format('{0} {1} pyarrow={2}', matrix.os, matrix.env_file, matrix.pyarrow_version) }}
+    concurrency:
+      # https://github.community/t/concurrecy-not-work-for-push/183068/7
+      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.os }}-${{ matrix.env_file }}-${{ matrix.pyarrow_version }}-mac-win
+      cancel-in-progress: true
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+
+    - name: wmic.exe
+      run: wmic.exe cpu get caption, deviceid, name, numberofcores, maxclockspeed
+      if: ${{ runner.os == 'Windows' }}
+
+    - name: Set up Conda (${{ matrix.env_file }}, Arrow ${{ matrix.pyarrow_version}})
+      uses: ./.github/actions/setup
+      with:
+        environment-file: ci/deps/${{ matrix.env_file }}
+        pyarrow-version: ${{ matrix.pyarrow_version }}
+
+    - name: Build pandas
+      uses: ./.github/actions/build-pandas
+
+    - name: Run tests
+      uses: ./.github/actions/run-tests
+      with:
+        check-pyarrow-version: ${{ matrix.pyarrow_version }}
diff --git a/.github/workflows/python-dev.yml b/.github/workflows/python-dev.yml
index c287827206336..c9446e6cbb6c2 100644
--- a/.github/workflows/python-dev.yml
+++ b/.github/workflows/python-dev.yml
@@ -21,11 +21,11 @@ on:
       - "doc/**"
 
 env:
-  PYTEST_WORKERS: "auto"
   PANDAS_CI: 1
+  PYTEST_TARGET: pandas
+  PYTEST_WORKERS: "auto"
   PATTERN: "not slow and not network and not clipboard and not single_cpu"
   COVERAGE: true
-  PYTEST_TARGET: pandas
 
 jobs:
   build:
@@ -35,63 +35,43 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macOS-latest, windows-latest]
+        python-version: ["3.11-dev"]
 
-    name: actions-311-dev
+    name: ${{ matrix.python-version }}
     timeout-minutes: 80
+    defaults:
+      run:
+        shell: bash -el {0}
 
     concurrency:
       #https://github.community/t/concurrecy-not-work-for-push/183068/7
-      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.os }}-${{ matrix.pytest_target }}-dev
+      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.os }}-dev
       cancel-in-progress: true
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         fetch-depth: 0
 
-    - name: Set up Python Dev Version
-      uses: actions/setup-python@v2
+    - name: Set up Python ${{ matrix.python-version }} and install dependencies
+      uses: ./.github/actions/setup-python
       with:
-        python-version: '3.11-dev'
+        python-version: ${{ matrix.python-version }}
 
-    # TODO: GH#44980 https://github.com/pypa/setuptools/issues/2941
-    - name: Install dependencies
-      shell: bash
-      run: |
-        python -m pip install --upgrade pip "setuptools<60.0.0" wheel
-        pip install -i https://pypi.anaconda.org/scipy-wheels-nightly/simple numpy
-        pip install git+https://github.com/nedbat/coveragepy.git
-        pip install cython python-dateutil pytz hypothesis pytest>=6.2.5 pytest-xdist pytest-cov
-        pip list
+    - name: Install NumPy nightly
+      run:
+        pip install -Ui https://pypi.anaconda.org/scipy-wheels-nightly/simple numpy
 
-    - name: Build Pandas
-      run: |
-        python setup.py build_ext -q -j2
-        python -m pip install -e . --no-build-isolation --no-use-pep517
+    - name: Build pandas
+      uses: ./.github/actions/build-pandas
 
-    - name: Build Version
+    - name: Install pandas from sdist
       run: |
-        python -c "import pandas; pandas.show_versions();"
-
-    - name: Test with pytest
-      shell: bash
-      run: |
-        ci/run_tests.sh
-
-    - name: Publish test results
-      uses: actions/upload-artifact@v2
-      with:
-        name: Test results
-        path: test-data.xml
-      if: failure()
-
-    - name: Report Coverage
-      run: |
-        coverage report -m
+        # Double check that we have the expected Python and NumPy
+        python --version
+        pip list
+        python --version | grep -i "$(echo "${{ matrix.python-version }}" | sed 's/-.*//')"
+        pip list | egrep -i "numpy.+dev"
 
-    - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v2
-      with:
-        flags: unittests
-        name: codecov-pandas
-        fail_ci_if_error: true
+    - name: Run tests
+      uses: ./.github/actions/run-tests
diff --git a/.github/workflows/sdist.yml b/.github/workflows/sdist.yml
index 431710a49a7dd..c86901d1b8520 100644
--- a/.github/workflows/sdist.yml
+++ b/.github/workflows/sdist.yml
@@ -14,78 +14,83 @@ on:
       - "doc/**"
 
 jobs:
-  build:
-    if: ${{ github.event.label.name == 'Build' || contains(github.event.pull_request.labels.*.name, 'Build') || github.event_name == 'push'}}
+  sdist:
+    #if: ${{ github.event.label.name == 'Build' || contains(github.event.pull_request.labels.*.name, 'Build') || github.event_name == 'push'}}
     runs-on: ubuntu-latest
     timeout-minutes: 60
     defaults:
       run:
-        shell: bash -l {0}
+        shell: bash -el {0}
 
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        # 'numpy-version' is oldest supported NumPy
+        include:
+          - python-version: "3.8"
+            numpy-version: "1.18.5"
+          - python-version: "3.9"
+            numpy-version: "1.19.4"
+          - python-version: "3.10"
+            numpy-version: "1.21.3"
+
+    name: sdist Python ${{ matrix.python-version }} NumPy ${{ matrix.numpy-version }}
+
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
-      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{matrix.python-version}}-sdist
+      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.python-version }}-sdist
       cancel-in-progress: true
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         fetch-depth: 0
 
-    - name: Set up Python
-      uses: actions/setup-python@v2
+    - name: Set up Python ${{ matrix.python-version }} and install dependencies
+      uses: ./.github/actions/setup-python
       with:
         python-version: ${{ matrix.python-version }}
 
-    # TODO: GH#44980 https://github.com/pypa/setuptools/issues/2941
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip "setuptools<60.0.0" wheel
-
-        # GH 39416
-        pip install numpy
-
     - name: Build pandas sdist
-      run: |
-        pip list
-        python setup.py sdist --formats=gztar
+      run: python setup.py sdist --formats=gztar
 
     - name: Upload sdist artifact
       uses: actions/upload-artifact@v3
       with:
-        name: ${{matrix.python-version}}-sdist.gz
+        name: ${{ matrix.python-version }}-sdist.gz
         path: dist/*.gz
 
-    - uses: conda-incubator/setup-miniconda@v2
+    - name: Set up Conda env with Python ${{ matrix.python-version }}, NumPy ${{ matrix.numpy-version }}
+      # TODO: Change this when https://github.com/mamba-org/provision-with-micromamba/pull/45 is merged
+      uses: jonashaag/provision-with-micromamba@cache-failure
       with:
-        activate-environment: pandas-sdist
+        environment-file: false
+        environment-name: pandas-sdist
         channels: conda-forge
-        python-version: '${{ matrix.python-version }}'
+        extra-specs: |
+          python=${{ matrix.python-version }}
+          setuptools<60
+          numpy=${{ matrix.numpy-version }}
+        cache-env: true
+
+    - name: Set up sccache
+      uses: ./.github/actions/setup-sccache
+      with:
+        extra-cache-key: ${{ matrix.python-version }}
 
-    # TODO: GH#44980 https://github.com/pypa/setuptools/issues/2941
     - name: Install pandas from sdist
       run: |
-        python -m pip install --upgrade "setuptools<60.0.0"
+        micromamba info
+        # Double check that we have the expected NumPy
         pip list
-        python -m pip install dist/*.gz
-
-    - name: Force oldest supported NumPy
-      run: |
-        case "${{matrix.python-version}}" in
-        3.8)
-          pip install numpy==1.18.5 ;;
-        3.9)
-          pip install numpy==1.19.3 ;;
-        3.10)
-          pip install numpy==1.21.2 ;;
-        esac
+        pip list | egrep -i "numpy.+${{ matrix.numpy-version }}"
+        time DISTUTILS_C_COMPILER_LAUNCHER=sccache python -m pip install -v dist/*.gz
 
-    - name: Import pandas
+    - name: Build Version
       run: |
-        cd ..
-        conda list
-        python -c "import pandas; pandas.show_versions();"
+        pushd /tmp
+        python -c "import pandas; pandas.show_versions()"
+        # Double check that we have the expected Python and NumPy
+        python -c "import pandas; pandas.show_versions()" | egrep -i "python.+: ${{ matrix.python-version }}"
+        python -c "import pandas; pandas.show_versions()" | egrep -i "numpy.+: ${{ matrix.numpy-version }}"
+        popd
diff --git a/.github/workflows/posix.yml b/.github/workflows/ubuntu.yml
similarity index 61%
rename from .github/workflows/posix.yml
rename to .github/workflows/ubuntu.yml
index bc8791afc69f7..ecb26f5a5a200 100644
--- a/.github/workflows/posix.yml
+++ b/.github/workflows/ubuntu.yml
@@ -1,4 +1,4 @@
-name: Posix
+name: Ubuntu
 
 on:
   push:
@@ -12,15 +12,12 @@ on:
     paths-ignore:
       - "doc/**"
 
-env:
-  PANDAS_CI: 1
-
 jobs:
   pytest:
     runs-on: ubuntu-latest
     defaults:
       run:
-        shell: bash -l {0}
+        shell: bash -el {0}
     timeout-minutes: 120
     strategy:
       matrix:
@@ -30,41 +27,42 @@ jobs:
         # even if tests are skipped/xfailed
         pyarrow_version: ["5", "7"]
         include:
-          - env_file: actions-38-downstream_compat.yaml
+          - name: "Downstream Compat"
+            env_file: actions-38-downstream_compat.yaml
             pattern: "not slow and not network and not single_cpu"
             pytest_target: "pandas/tests/test_downstream.py"
-            name: "Downstream Compat"
-          - env_file: actions-38-minimum_versions.yaml
+          - name: "Minimum Versions"
+            env_file: actions-38-minimum_versions.yaml
             pattern: "not slow and not network and not single_cpu"
-            name: "Minimum Versions"
-          - env_file: actions-38.yaml
+          - name: "Locale: it_IT.utf8"
+            env_file: actions-38.yaml
             pattern: "not slow and not network and not single_cpu"
             extra_apt: "language-pack-it"
             lang: "it_IT.utf8"
             lc_all: "it_IT.utf8"
-            name: "Locale: it_IT.utf8"
-          - env_file: actions-38.yaml
+          - name: "Locale: zh_CN.utf8"
+            env_file: actions-38.yaml
             pattern: "not slow and not network and not single_cpu"
             extra_apt: "language-pack-zh-hans"
             lang: "zh_CN.utf8"
             lc_all: "zh_CN.utf8"
-            name: "Locale: zh_CN.utf8"
-          - env_file: actions-38.yaml
+          - name: "Data Manager"
+            env_file: actions-38.yaml
             pattern: "not slow and not network and not single_cpu"
             pandas_data_manager: "array"
-            name: "Data Manager"
-          - env_file: actions-pypy-38.yaml
+          - name: "Pypy"
+            env_file: actions-pypy-38.yaml
             pattern: "not slow and not network and not single_cpu"
             test_args: "--max-worker-restart 0"
-            name: "Pypy"
-          - env_file: actions-310-numpydev.yaml
+          - name: "Numpy Dev"
+            env_file: actions-310-numpydev.yaml
             pattern: "not slow and not network and not single_cpu"
             pandas_testing_mode: "deprecate"
             test_args: "-W error"
-            name: "Numpy Dev"
       fail-fast: false
     name: ${{ matrix.name || format('{0} pyarrow={1} {2}', matrix.env_file, matrix.pyarrow_version, matrix.pattern) }}
     env:
+      PANDAS_CI: 1
       ENV_FILE: ci/deps/${{ matrix.env_file }}
       PATTERN: ${{ matrix.pattern }}
       EXTRA_APT: ${{ matrix.extra_apt || '' }}
@@ -80,7 +78,7 @@ jobs:
       COVERAGE: ${{ !contains(matrix.env_file, 'pypy') }}
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
-      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.env_file }}-${{ matrix.pattern }}-${{ matrix.pyarrow_version || '' }}-${{ matrix.extra_apt || '' }}-${{ matrix.pandas_data_manager || '' }}
+      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.env_file }}-${{ matrix.pattern }}-${{ matrix.pyarrow_version || '' }}-${{ matrix.extra_apt || '' }}-${{ matrix.pandas_data_manager || '' }}-ubuntu
       cancel-in-progress: true
 
     services:
@@ -121,72 +119,26 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
 
-    - name: Cache conda
-      uses: actions/cache@v2
-      env:
-        CACHE_NUMBER: 0
-      with:
-        path: ~/conda_pkgs_dir
-        key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{
-          hashFiles('${{ env.ENV_FILE }}') }}
-
     - name: Extra installs
       # xsel for clipboard tests
       run: sudo apt-get update && sudo apt-get install -y libc6-dev-i386 xsel ${{ env.EXTRA_APT }}
 
-    - uses: conda-incubator/setup-miniconda@v2
+    - name: Set up Conda (${{ matrix.env_file }}, Arrow ${{ matrix.pyarrow_version}})
+      uses: ./.github/actions/setup
       with:
-        mamba-version: "*"
-        channels: conda-forge
-        activate-environment: pandas-dev
-        channel-priority: flexible
         environment-file: ${{ env.ENV_FILE }}
-        use-only-tar-bz2: true
-      if: ${{ env.IS_PYPY == 'false' }} # No pypy3.8 support
+        pyarrow-version: ${{ matrix.pyarrow_version }}
+        is-pypy: ${{ env.IS_PYPY }}
 
-    - name: Upgrade Arrow version
-      run: conda install -n pandas-dev -c conda-forge --no-update-deps pyarrow=${{ matrix.pyarrow_version }}
-      if: ${{ matrix.pyarrow_version }}
+    - name: Build pandas
+      uses: ./.github/actions/build-pandas
 
-    - name: Setup PyPy
-      uses: actions/setup-python@v2
+    - name: Run tests
+      uses: ./.github/actions/run-tests
       with:
-        python-version: "pypy-3.8"
-      if: ${{ env.IS_PYPY == 'true' }}
-
-    - name: Setup PyPy dependencies
-      shell: bash
-      run: |
-        # TODO: re-enable cov, its slowing the tests down though
-        pip install Cython numpy python-dateutil pytz pytest>=6.0 pytest-xdist>=1.31.0 pytest-asyncio hypothesis>=5.5.3
-      if: ${{ env.IS_PYPY == 'true' }}
-
-    - name: Build Pandas
-      uses: ./.github/actions/build_pandas
-
-    - name: Test
-      run: ci/run_tests.sh
-      # TODO: Don't continue on error for PyPy
+        check-pyarrow-version: ${{ matrix.pyarrow_version }}
       continue-on-error: ${{ env.IS_PYPY == 'true' }}
-      if: always()
-
-    - name: Build Version
-      run: pushd /tmp && python -c "import pandas; pandas.show_versions();" && popd
-
-    - name: Publish test results
-      uses: actions/upload-artifact@v2
-      with:
-        name: Test results
-        path: test-data.xml
-      if: failure()
-
-    - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v2
-      with:
-        flags: unittests
-        name: codecov-pandas
-        fail_ci_if_error: false
diff --git a/.github/workflows/windows-32bit.yml b/.github/workflows/windows-32bit.yml
new file mode 100644
index 0000000000000..ec6519f9d43d9
--- /dev/null
+++ b/.github/workflows/windows-32bit.yml
@@ -0,0 +1,56 @@
+name: Windows 32 bit builds
+
+on:
+  push:
+    branches:
+      - main
+      - 1.4.x
+  pull_request:
+    branches:
+      - main
+      - 1.4.x
+    paths-ignore:
+      - "doc/**"
+
+env:
+  PANDAS_CI: 1
+  PYTEST_TARGET: pandas
+  PYTEST_WORKERS: auto
+  PATTERN: "not slow and not network and not clipboard and not single_cpu"
+  COVERAGE: true
+
+jobs:
+  windows-32bit:
+    runs-on: windows-latest
+    timeout-minutes: 120
+    concurrency:
+      # https://github.community/t/concurrecy-not-work-for-push/183068/7
+      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.python-version }}-windows-32bit
+      cancel-in-progress: true
+    strategy:
+      matrix:
+        python-version: [3.9]
+    defaults:
+      run:
+        shell: bash -el {0}
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+
+    - name: wmic.exe
+      run: wmic.exe cpu get caption, deviceid, name, numberofcores, maxclockspeed
+
+    - name: Set up Python ${{ matrix.python-version }} x86 and install dependencies
+      uses: ./.github/actions/setup-python
+      with:
+        python-version: ${{ matrix.python-version }}
+        architecture: x86
+
+    - name: Build pandas
+      uses: ./.github/actions/build-pandas
+
+    - name: Run tests
+      uses: ./.github/actions/run-tests
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
deleted file mode 100644
index 86cf0c79759f5..0000000000000
--- a/azure-pipelines.yml
+++ /dev/null
@@ -1,59 +0,0 @@
-# Adapted from https://github.com/numba/numba/blob/master/azure-pipelines.yml
-trigger:
-  branches:
-    include:
-    - main
-    - 1.4.x
-  paths:
-    exclude:
-    - 'doc/**'
-
-pr:
-  autoCancel: true
-  branches:
-    include:
-    - main
-    - 1.4.x
-
-variables:
-  PYTEST_WORKERS: auto
-  PYTEST_TARGET:  pandas
-  PATTERN: "not slow and not db and not network and not single_cpu"
-  PANDAS_CI: 1
-
-jobs:
-- template: ci/azure/posix.yml
-  parameters:
-    name: macOS
-    vmImage: macOS-10.15
-
-- template: ci/azure/windows.yml
-  parameters:
-    name: Windows
-    vmImage: windows-2019
-
-- job: py38_32bit
-  pool:
-    vmImage: ubuntu-18.04
-
-  steps:
-    # TODO: GH#44980 https://github.com/pypa/setuptools/issues/2941
-    - script: |
-        docker pull quay.io/pypa/manylinux2014_i686
-        docker run -v $(pwd):/pandas quay.io/pypa/manylinux2014_i686 \
-        /bin/bash -xc "cd pandas && \
-        /opt/python/cp38-cp38/bin/python -m venv ~/virtualenvs/pandas-dev && \
-        . ~/virtualenvs/pandas-dev/bin/activate && \
-        python -m pip install --no-deps -U pip wheel 'setuptools<60.0.0' && \
-        pip install cython numpy python-dateutil pytz pytest pytest-xdist pytest-asyncio hypothesis && \
-        python setup.py build_ext -q -j2 && \
-        python -m pip install --no-build-isolation -e . && \
-        pytest -m 'not slow and not network and not clipboard and not single_cpu' pandas --junitxml=test-data.xml"
-      displayName: 'Run 32-bit manylinux2014 Docker Build / Tests'
-
-    - task: PublishTestResults@2
-      condition: succeededOrFailed()
-      inputs:
-        testResultsFiles: '**/test-*.xml'
-        failTaskOnFailedTests: true
-        testRunTitle: 'Publish test results for Python 3.8-32 bit full Linux'
diff --git a/ci/azure/posix.yml b/ci/azure/posix.yml
deleted file mode 100644
index df1d5049be33d..0000000000000
--- a/ci/azure/posix.yml
+++ /dev/null
@@ -1,50 +0,0 @@
-parameters:
-  name: ''
-  vmImage: ''
-
-jobs:
-- job: ${{ parameters.name }}
-  timeoutInMinutes: 90
-  pool:
-    vmImage: ${{ parameters.vmImage }}
-  strategy:
-    matrix:
-      py38:
-        ENV_FILE: ci/deps/actions-38.yaml
-        CONDA_PY: "38"
-
-      py39:
-        ENV_FILE: ci/deps/actions-39.yaml
-        CONDA_PY: "39"
-
-      py310:
-        ENV_FILE: ci/deps/actions-310.yaml
-        CONDA_PY: "310"
-
-  steps:
-    - script: echo '##vso[task.prependpath]$(HOME)/miniconda3/bin'
-      displayName: 'Set conda path'
-
-    - script: rm /usr/local/miniconda/pkgs/cache/*.json
-      displayName: 'Workaround for mamba-org/mamba#488'
-
-    - script: ci/setup_env.sh
-      displayName: 'Setup environment and build pandas'
-
-    - script: |
-        conda run -n pandas-dev --no-capture-output ci/run_tests.sh
-      displayName: 'Test'
-
-    - script: |
-        pushd /tmp
-        conda run -n pandas-dev python -c "import pandas; pandas.show_versions()"
-        popd
-      displayName: 'Build versions'
-
-    - task: PublishTestResults@2
-      condition: succeededOrFailed()
-      inputs:
-        failTaskOnFailedTests: true
-        testResultsFiles: 'test-data.xml'
-        testRunTitle: ${{ format('{0}-$(CONDA_PY)', parameters.name) }}
-      displayName: 'Publish test results'
diff --git a/ci/azure/windows.yml b/ci/azure/windows.yml
deleted file mode 100644
index 02c6564579aa2..0000000000000
--- a/ci/azure/windows.yml
+++ /dev/null
@@ -1,58 +0,0 @@
-parameters:
-  name: ''
-  vmImage: ''
-
-jobs:
-- job: ${{ parameters.name }}
-  timeoutInMinutes: 90
-  pool:
-    vmImage: ${{ parameters.vmImage }}
-  strategy:
-    matrix:
-      py38:
-        ENV_FILE: ci/deps/actions-38.yaml
-        CONDA_PY: "38"
-
-      py39:
-        ENV_FILE: ci/deps/actions-39.yaml
-        CONDA_PY: "39"
-
-      py310:
-        ENV_FILE: ci/deps/actions-310.yaml
-        CONDA_PY: "310"
-
-  steps:
-    - powershell: |
-        Write-Host "##vso[task.prependpath]$env:CONDA\Scripts"
-        Write-Host "##vso[task.prependpath]$HOME/miniconda3/bin"
-      displayName: 'Add conda to PATH'
-    - bash: conda install -yv -c conda-forge -n base 'mamba>=0.21.2'
-      displayName: 'Install mamba'
-
-    - bash: |
-        # See https://github.com/mamba-org/mamba/issues/1370
-        # See https://github.com/mamba-org/mamba/issues/633
-        C:\\Miniconda\\condabin\\mamba.bat create -n pandas-dev
-        C:\\Miniconda\\condabin\\mamba.bat env update -n pandas-dev --file ci\\deps\\actions-$(CONDA_PY).yaml
-        # TODO: GH#44980 https://github.com/pypa/setuptools/issues/2941
-        C:\\Miniconda\\condabin\\mamba.bat install -n pandas-dev 'setuptools<60'
-        C:\\Miniconda\\condabin\\mamba.bat list -n pandas-dev
-      displayName: 'Create anaconda environment'
-    - bash: |
-        source activate pandas-dev
-        conda list
-        python setup.py build_ext -q -j 2
-        python -m pip install --no-build-isolation -e .
-      displayName: 'Build'
-    - bash: |
-        source activate pandas-dev
-        wmic.exe cpu get caption, deviceid, name, numberofcores, maxclockspeed
-        ci/run_tests.sh
-      displayName: 'Test'
-    - task: PublishTestResults@2
-      condition: succeededOrFailed()
-      inputs:
-        failTaskOnFailedTests: true
-        testResultsFiles: 'test-data.xml'
-        testRunTitle: ${{ format('{0}-$(CONDA_PY)', parameters.name) }}
-      displayName: 'Publish test results'
diff --git a/ci/deps/actions-310-numpydev.yaml b/ci/deps/actions-310-numpydev.yaml
index a5eb8a69e19da..401be14aaca02 100644
--- a/ci/deps/actions-310-numpydev.yaml
+++ b/ci/deps/actions-310-numpydev.yaml
@@ -9,7 +9,7 @@ dependencies:
   - pytest-cov
   - pytest-xdist>=1.31
   - hypothesis>=5.5.3
-  - pytest-asyncio
+  - pytest-asyncio>=0.17
 
   # pandas dependencies
   - python-dateutil
diff --git a/ci/deps/actions-310.yaml b/ci/deps/actions-310.yaml
index 37e7ea04a348a..dac1219245e84 100644
--- a/ci/deps/actions-310.yaml
+++ b/ci/deps/actions-310.yaml
@@ -11,7 +11,7 @@ dependencies:
   - pytest-xdist>=1.31
   - hypothesis>=5.5.3
   - psutil
-  - pytest-asyncio
+  - pytest-asyncio>=0.17
   - boto3
 
   # required dependencies
diff --git a/ci/deps/actions-38-downstream_compat.yaml b/ci/deps/actions-38-downstream_compat.yaml
index 40f48884f1822..01415122e6076 100644
--- a/ci/deps/actions-38-downstream_compat.yaml
+++ b/ci/deps/actions-38-downstream_compat.yaml
@@ -12,7 +12,7 @@ dependencies:
   - pytest-xdist>=1.31
   - hypothesis>=5.5.3
   - psutil
-  - pytest-asyncio
+  - pytest-asyncio>=0.17
   - boto3
 
   # required dependencies
diff --git a/ci/deps/actions-38-minimum_versions.yaml b/ci/deps/actions-38-minimum_versions.yaml
index abba5ddd60325..f3a967f67cbc3 100644
--- a/ci/deps/actions-38-minimum_versions.yaml
+++ b/ci/deps/actions-38-minimum_versions.yaml
@@ -13,7 +13,7 @@ dependencies:
   - pytest-xdist>=1.31
   - hypothesis>=5.5.3
   - psutil
-  - pytest-asyncio
+  - pytest-asyncio>=0.17
   - boto3
 
   # required dependencies
diff --git a/ci/deps/actions-38.yaml b/ci/deps/actions-38.yaml
index 9c46eca4ab989..79cd831051c2f 100644
--- a/ci/deps/actions-38.yaml
+++ b/ci/deps/actions-38.yaml
@@ -11,7 +11,7 @@ dependencies:
   - pytest-xdist>=1.31
   - hypothesis>=5.5.3
   - psutil
-  - pytest-asyncio
+  - pytest-asyncio>=0.17
   - boto3
 
   # required dependencies
diff --git a/ci/deps/actions-39.yaml b/ci/deps/actions-39.yaml
index 89b647372d7bc..1c681104f3196 100644
--- a/ci/deps/actions-39.yaml
+++ b/ci/deps/actions-39.yaml
@@ -11,7 +11,7 @@ dependencies:
   - pytest-xdist>=1.31
   - hypothesis>=5.5.3
   - psutil
-  - pytest-asyncio
+  - pytest-asyncio>=0.17
   - boto3
 
   # required dependencies
diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index e6de5caf955fc..026f65d248e6d 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -30,6 +30,10 @@ if [[ "$PATTERN" ]]; then
   PYTEST_CMD="$PYTEST_CMD -m \"$PATTERN\""
 fi
 
+which pytest
+which python
+pytest -VV || true
+python -VV || true
 echo $PYTEST_CMD
 sh -c "$PYTEST_CMD"
 
diff --git a/environment.yml b/environment.yml
index 5402be3d4a00b..fdcaf1f51550e 100644
--- a/environment.yml
+++ b/environment.yml
@@ -69,7 +69,7 @@ dependencies:
   - pytest>=6.0
   - pytest-cov
   - pytest-xdist>=1.31
-  - pytest-asyncio
+  - pytest-asyncio>=0.17
   - pytest-instafail
 
   # downstream tests
diff --git a/requirements-dev.txt b/requirements-dev.txt
index c671dc08a263e..cfec4bfee0a67 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -47,7 +47,7 @@ flask
 pytest>=6.0
 pytest-cov
 pytest-xdist>=1.31
-pytest-asyncio
+pytest-asyncio>=0.17
 pytest-instafail
 seaborn
 statsmodels
diff --git a/setup.py b/setup.py
index 62704dc4423c8..78df5e1b9571b 100755
--- a/setup.py
+++ b/setup.py
@@ -74,7 +74,48 @@ def is_platform_mac():
     _pxi_dep[module] = pxi_files
 
 
-class build_ext(_build_ext):
+class CompilerLauncherMixin:
+    """Add "compiler launchers" to distutils.
+
+    We use this to be able to run the Pandas build using "ccache".
+
+    A compiler launcher is a program that is invoked instead of invoking the
+    compiler directly. It is passed the full compiler invocation command line.
+
+    A similar feature exists in CMake, see
+    https://cmake.org/cmake/help/latest/prop_tgt/LANG_COMPILER_LAUNCHER.html.
+    """
+
+    __is_set_up = False
+
+    def build_extensions(self):
+        # Integrate into "build_ext"
+        self.__setup()
+        super().build_extensions()
+
+    def build_libraries(self):
+        # Integrate into "build_clib"
+        self.__setup()
+        super().build_extensions()
+
+    def __setup(self):
+        if self.__is_set_up:
+            return
+        self.__is_set_up = True
+        compiler_launcher = os.getenv("DISTUTILS_C_COMPILER_LAUNCHER")
+        if compiler_launcher:
+
+            def spawn_with_compiler_launcher(cmd):
+                exclude_programs = ("link.exe",)
+                if not cmd[0].endswith(exclude_programs):
+                    cmd = [compiler_launcher] + cmd
+                return original_spawn(cmd)
+
+            original_spawn = self.compiler.spawn
+            self.compiler.spawn = spawn_with_compiler_launcher
+
+
+class build_ext(CompilerLauncherMixin, _build_ext):
     @classmethod
     def render_templates(cls, pxifiles):
         for pxifile in pxifiles:
@@ -334,7 +375,7 @@ def run(self):
         extra_compile_args.append("/Z7")
         extra_link_args.append("/DEBUG")
 else:
-    # PANDAS_CI=1 is set by ci/setup_env.sh
+    # PANDAS_CI=1 is set in CI
     if os.environ.get("PANDAS_CI", "0") == "1":
         extra_compile_args.append("-Werror")
     if debugging_symbols_requested: