diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 6371a153e15..0be7dd8ae14 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -62,126 +62,126 @@ jobs:
           - 22
           - 23
         runs-on:
-          - ubuntu-latest
+          # - ubuntu-latest
           - windows-latest
-          - macos-latest
+          # - macos-latest
     uses: ./.github/workflows/test.yml
     with:
       node-version: ${{ matrix.node-version }}
       runs-on: ${{ matrix.runs-on }}
     secrets: inherit
 
-  test-without-intl:
-    name: Test with Node.js ${{ matrix.version }} compiled --without-intl
-    strategy:
-      fail-fast: false
-      max-parallel: 0
-      matrix:
-        version: [20, 22, 23]
-    runs-on: ubuntu-latest
-    timeout-minutes: 120
-    steps:
-      - name: Checkout
-        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
-        with:
-          persist-credentials: false
-
-      # Setup node, install deps, and build undici prior to building icu-less node and testing
-      - name: Setup Node.js@${{ inputs.version }}
-        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
-        with:
-          node-version: ${{ inputs.version }}
-
-      - name: Install dependencies
-        run: npm install
-
-      - name: Build undici
-        run: npm run build:node
-
-      - name: Determine latest release
-        id: release
-        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
-        with:
-          result-encoding: string
-          script: |
-            const req = await fetch('https://nodejs.org/download/release/index.json')
-            const releases = await req.json()
-
-            const latest = releases.find((r) => r.version.startsWith('v${{ matrix.version }}'))
-            return latest.version
-
-      - name: Download and extract source
-        run: curl https://nodejs.org/download/release/${{ steps.release.outputs.result }}/node-${{ steps.release.outputs.result }}.tar.xz | tar xfJ -
-
-      - name: Install ninja
-        run: sudo apt-get install ninja-build
-
-      - name: ccache
-        uses: hendrikmuhs/ccache-action@ed74d11c0b343532753ecead8a951bb09bb34bc9 #v1.2.14
-        with:
-          key: node${{ matrix.version }}
-
-      - name: Build node
-        working-directory: ./node-${{ steps.release.outputs.result }}
-        run: |
-          export CC="ccache gcc"
-          export CXX="ccache g++"
-          ./configure --without-intl --ninja --prefix=./final
-          make
-          make install
-          echo "$(pwd)/final/bin" >> $GITHUB_PATH
-
-      - name: Print version information
-        run: |
-          echo OS: $(node -p "os.version()")
-          echo Node.js: $(node --version)
-          echo npm: $(npm --version)
-          echo git: $(git --version)
-          echo icu config: $(node -e "console.log(process.config)" | grep icu)
-
-      - name: Run tests
-        run: npm run test:javascript:without-intl
-
-  test-fuzzing:
-    name: Fuzzing
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
-        with:
-          persist-credentials: false
-
-      - name: Setup Node.js
-        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
-        with:
-          node-version: lts/*
-
-      - name: Install dependencies
-        run: npm install
-
-      - name: Run fuzzing tests
-        run: npm run test:fuzzing
-
-  test-types:
-    name: Test TypeScript types
-    timeout-minutes: 15
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
-        with:
-          persist-credentials: false          
-
-      - name: Setup Node.js
-        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
-        with:
-          node-version: lts/*
+  # test-without-intl:
+  #   name: Test with Node.js ${{ matrix.version }} compiled --without-intl
+  #   strategy:
+  #     fail-fast: false
+  #     max-parallel: 0
+  #     matrix:
+  #       version: [20, 22, 23]
+  #   runs-on: ubuntu-latest
+  #   timeout-minutes: 120
+  #   steps:
+  #     - name: Checkout
+  #       uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
+  #       with:
+  #         persist-credentials: false
+
+  #     # Setup node, install deps, and build undici prior to building icu-less node and testing
+  #     - name: Setup Node.js@${{ inputs.version }}
+  #       uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
+  #       with:
+  #         node-version: ${{ inputs.version }}
+
+  #     - name: Install dependencies
+  #       run: npm install
+
+  #     - name: Build undici
+  #       run: npm run build:node
+
+  #     - name: Determine latest release
+  #       id: release
+  #       uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+  #       with:
+  #         result-encoding: string
+  #         script: |
+  #           const req = await fetch('https://nodejs.org/download/release/index.json')
+  #           const releases = await req.json()
+
+  #           const latest = releases.find((r) => r.version.startsWith('v${{ matrix.version }}'))
+  #           return latest.version
+
+  #     - name: Download and extract source
+  #       run: curl https://nodejs.org/download/release/${{ steps.release.outputs.result }}/node-${{ steps.release.outputs.result }}.tar.xz | tar xfJ -
+
+  #     - name: Install ninja
+  #       run: sudo apt-get install ninja-build
+
+  #     - name: ccache
+  #       uses: hendrikmuhs/ccache-action@ed74d11c0b343532753ecead8a951bb09bb34bc9 #v1.2.14
+  #       with:
+  #         key: node${{ matrix.version }}
+
+  #     - name: Build node
+  #       working-directory: ./node-${{ steps.release.outputs.result }}
+  #       run: |
+  #         export CC="ccache gcc"
+  #         export CXX="ccache g++"
+  #         ./configure --without-intl --ninja --prefix=./final
+  #         make
+  #         make install
+  #         echo "$(pwd)/final/bin" >> $GITHUB_PATH
+
+  #     - name: Print version information
+  #       run: |
+  #         echo OS: $(node -p "os.version()")
+  #         echo Node.js: $(node --version)
+  #         echo npm: $(npm --version)
+  #         echo git: $(git --version)
+  #         echo icu config: $(node -e "console.log(process.config)" | grep icu)
+
+  #     - name: Run tests
+  #       run: npm run test:javascript:without-intl
+
+  # test-fuzzing:
+  #   name: Fuzzing
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - name: Checkout
+  #       uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
+  #       with:
+  #         persist-credentials: false
+
+  #     - name: Setup Node.js
+  #       uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
+  #       with:
+  #         node-version: lts/*
+
+  #     - name: Install dependencies
+  #       run: npm install
+
+  #     - name: Run fuzzing tests
+  #       run: npm run test:fuzzing
+
+  # test-types:
+    # name: Test TypeScript types
+    # timeout-minutes: 15
+    # runs-on: ubuntu-latest
+    # steps:
+    #   - name: Checkout
+    #     uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
+    #     with:
+    #       persist-credentials: false          
+
+    #   - name: Setup Node.js
+    #     uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
+    #     with:
+    #       node-version: lts/*
       
-      - name: Install dependencies
-        run: npm install
+    #   - name: Install dependencies
+    #     run: npm install
 
-      - name: Run typings tests
-        run: npm run test:typescript
+    #   - name: Run typings tests
+    #     run: npm run test:typescript
 
   automerge:
     if: >
@@ -189,9 +189,9 @@ jobs:
     needs:
       - dependency-review
       - test
-      - test-types
-      - test-without-intl
-      - test-fuzzing
+      # - test-types
+      # - test-without-intl
+      # - test-fuzzing
       - lint
     runs-on: ubuntu-latest
     permissions:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5638437af3a..80f37de3655 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,6 +9,7 @@ on:
       runs-on:
         required: true
         type: string
+  pull_request:
 
 permissions:
   contents: read
@@ -43,22 +44,22 @@ jobs:
         run: npm ls --all
         continue-on-error: true
 
-      - name: Run tests with coverage
-        id: coverage
-        if: inputs.runs-on == 'ubuntu-latest' && inputs.node-version == 22
-        run: npm run coverage:ci
-        env:
-          CI: true
-          NODE_V8_COVERAGE: ./coverage/tmp
+      # - name: Run tests with coverage
+      #   id: coverage
+      #   if: inputs.runs-on == 'ubuntu-latest' && inputs.node-version == 22
+      #   run: npm run coverage:ci
+      #   env:
+      #     CI: true
+      #     NODE_V8_COVERAGE: ./coverage/tmp
 
       - name: Run tests
-        if: steps.coverage.outcome == 'skipped'
-        run: npm run test:javascript
+        # if: steps.coverage.outcome == 'skipped'
+        run: npm run test:h2:core -- --only
         env:
           CI: true
 
-      - name: Coverage Report
-        if: inputs.runs-on == 'ubuntu-latest' && inputs.node-version == 20
-        uses: codecov/codecov-action@b9fd7d16f6d7d1b5d2bec1a2887e65ceed900238 # v4.6.0
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
+      # - name: Coverage Report
+      #   if: inputs.runs-on == 'ubuntu-latest' && inputs.node-version == 20
+      #   uses: codecov/codecov-action@b9fd7d16f6d7d1b5d2bec1a2887e65ceed900238 # v4.6.0
+      #   with:
+      #     token: ${{ secrets.CODECOV_TOKEN }}