diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 4aa041df9e..fde4aacfc1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,5 +1,5 @@
 # https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources
-# TODO: Line 48, enable pytest --doctest-modules
+# TODO: add `python -m pytest --doctest-modules`
 
 name: Tests
 on:
@@ -12,44 +12,82 @@ permissions:
   contents: read # to fetch code (actions/checkout)
 
 jobs:
-  Lint_Python:
+  lint-python:
+    name: Lint Python
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
     - run: pip install --user ruff
     - run: ruff --output-format=github --select="E,F,PLC,PLE,UP,W,YTT" --ignore="E721,PLC1901,S101,UP031" --target-version=py38 .
-  Lint_JS:
+  
+  lint-js:
+    name: Lint JS
     runs-on: ubuntu-latest
     steps:
     - name: Checkout Repository
       uses: actions/checkout@v4
     - name: Use Node.js 20.x
-      uses: actions/setup-node@v3
+      uses: actions/setup-node@v4
       with:
         node-version: 20.x
     - name: Install Dependencies
-      run: npm install --no-progress
+      run: npm install
     - name: Lint
       run: npm run lint
-  Engines:
+
+  check-engines:
+    name: Check Engines
     runs-on: ubuntu-latest
     steps:
     - name: Checkout Repository
       uses: actions/checkout@v4
     - name: Use Node.js 20.x
-      uses: actions/setup-node@v3
+      uses: actions/setup-node@v4
       with:
         node-version: 20.x
     - name: Install Dependencies
-      run: |
-        npm install --no-progress
+      run: npm install
     - name: Check Engines
       run: |
         # TODO: move this to its own action
         npm install @npmcli/arborist@7 semver@7 --no-save
         node .github/scripts/check-engines.js
-  Tests:
-    needs: Lint_Python  # Lint_Python takes ~5 seconds, so wait for it to pass before running the full matrix of tests.
+
+  test-pack:
+    name: Test Pack
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout Repository
+      uses: actions/checkout@v4
+    - name: Use Node.js 20.x
+      uses: actions/setup-node@v4
+      with:
+        node-version: 20.x
+    - name: Update npm
+      run: npm install npm@latest -g
+    - name: Install Dependencies
+      run: npm install
+    - name: Pack
+      id: pack
+      env:
+        NODE_GYP_TEMP_DIR: '${{ runner.temp }}/node-gyp'
+      run: |
+        mkdir -p $NODE_GYP_TEMP_DIR
+        npm pack
+        tar xzf *.tgz -C $NODE_GYP_TEMP_DIR --strip-components=1
+        cp -r test/ $NODE_GYP_TEMP_DIR/test/
+        echo "dir=$NODE_GYP_TEMP_DIR" >> "$GITHUB_OUTPUT"
+    - name: Test
+      working-directory: ${{ steps.pack.outputs.dir }}
+      env:
+        FULL_TEST: '1'
+      run: |
+        npm install
+        npm test
+
+  tests:
+    # lint-python takes ~5 seconds, so wait for it to pass before running the full matrix of tests.
+    needs: [lint-python] 
     strategy:
       fail-fast: false
       max-parallel: 15
@@ -63,7 +101,7 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node }}
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
       - name: Use Python ${{ matrix.python }}
@@ -74,26 +112,22 @@ jobs:
           PYTHON_VERSION: ${{ matrix.python }}  # Why do this?
       - name: Install Dependencies
         run: |
-          npm install --no-progress
+          npm install
           pip install pytest
-      - name: Set Windows environment
-        if: matrix.os == 'windows'
+      - name: Set Windows Env
+        if: runner.os == 'Windows'
         run: |
           echo 'GYP_MSVS_VERSION=2015' >> $Env:GITHUB_ENV
           echo 'GYP_MSVS_OVERRIDE_PATH=C:\\Dummy' >> $Env:GITHUB_ENV
-      - name: Run Python tests
+      - name: Run Python Tests
         run: python -m pytest
-      # - name: Run doctests with pytest
-      #   run: python -m pytest --doctest-modules
-      - name: Environment Information
-        run: npx envinfo
-      - name: Run Node tests (macOS or Linux)
+      - name: Run Tests (macOS or Linux)
         if: runner.os != 'Windows'
         shell: bash
         run: npm test --python="${pythonLocation}/python"
         env:
           FULL_TEST: ${{ (matrix.node == '20.x' && matrix.python == '3.12') && '1' || '0' }}
-      - name: Run tests (Windows)
+      - name: Run Tests (Windows)
         if: runner.os == 'Windows'
         shell: pwsh
         run: npm run test --python="${env:pythonLocation}\\python.exe"
diff --git a/.github/workflows/visual-studio.yml b/.github/workflows/visual-studio.yml
index 8b796256da..19993a57f9 100644
--- a/.github/workflows/visual-studio.yml
+++ b/.github/workflows/visual-studio.yml
@@ -26,10 +26,7 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@v4
       - name: Install Dependencies
-        run: |
-          npm install --no-progress
-      - name: Environment Information
-        run: npx envinfo
+        run: npm install
       - name: Run Node tests
         shell: pwsh
         run: |
diff --git a/.gitignore b/.gitignore
index e906ca7280..e588699b7a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,8 @@
+.ncu
+.nyc_output
 *.swp
 gyp/test
 node_modules
-test/.node-gyp
-.ncu
-.nyc_output
+node-gyp-*.tgz
 package-lock.json
+test/.node-gyp
diff --git a/.npmignore b/.npmignore
new file mode 100644
index 0000000000..8f95594d44
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,15 @@
+.ncu
+.nyc_output
+*.swp
+/.github/
+/docs/
+/gyp/.github/
+/gyp/*.md
+/gyp/AUTHORS
+/gyp/test
+/gyp/tools/
+/node-gyp-*.tgz
+/test/
+/test/.node-gyp
+/update-gyp.py
+node-gyp-*.tgz