diff --git a/.github/workflows/autobahn.yml b/.github/workflows/autobahn.yml
index 449523705dc..c76381765b8 100644
--- a/.github/workflows/autobahn.yml
+++ b/.github/workflows/autobahn.yml
@@ -5,7 +5,7 @@ on:
   workflow_call:
     inputs:
       node-version:
-        default: '22'
+        default: '24'
         type: string
   pull_request:
     paths:
@@ -19,7 +19,7 @@ jobs:
   autobahn:
     name: Autobahn Test Suite
     runs-on: ubuntu-latest
-    container: node:22
+    container: node:24
     services:
       fuzzingserver:
         image: crossbario/autobahn-testsuite:latest
@@ -30,7 +30,7 @@ jobs:
           - ${{ github.workspace }}/test/autobahn/config:/config
           - ${{ github.workspace }}/test/autobahn/reports:/reports
     steps:
-      - name: Checkout Code
+      - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
@@ -42,10 +42,10 @@ jobs:
         with:
           args: docker restart --time 0 --signal=SIGKILL fuzzingserver
 
-      - name: Setup Node.js@${{ inputs.node-version || '22' }}
+      - name: Setup Node.js@${{ inputs.node-version }}
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: ${{ inputs.node-version || '22' }}
+          node-version: ${{ inputs.node-version }}
 
       - name: Run Autobahn Test Suite
         run: npm run test:websocket:autobahn
diff --git a/.github/workflows/backport.yml b/.github/workflows/backport.yml
index 4621cf7e510..22586651256 100644
--- a/.github/workflows/backport.yml
+++ b/.github/workflows/backport.yml
@@ -24,6 +24,7 @@ jobs:
     name: Backport
     steps:
       - name: Backport
-        uses: tibdex/backport@v2
+        uses: tibdex/backport@9565281eda0731b1d20c4025c43339fb0a23812e # v2.0.4
+        id: backport
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index efb6a54b132..4309139a663 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -11,7 +11,7 @@ jobs:
     name: benchmark current
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout Code
+      - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
@@ -19,7 +19,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: lts/*
+          node-version: 'lts/*'
       - name: Install Modules for undici
         run: npm i --ignore-scripts --omit=dev
       - name: Install Modules for Benchmarks
@@ -33,14 +33,14 @@ jobs:
     name: benchmark branch
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout Code
+      - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Setup Node
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: lts/*
+          node-version: 'lts/*'
       - name: Install Modules for undici
         run: npm i --ignore-scripts --omit=dev
       - name: Install Modules for Benchmarks
@@ -54,7 +54,7 @@ jobs:
     name: benchmark (sending data) current
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout Code
+      - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
@@ -62,7 +62,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: lts/*
+          node-version: 'lts/*'
       - name: Install Modules for undici
         run: npm i --ignore-scripts --omit=dev
       - name: Install Modules for Benchmarks
@@ -76,14 +76,14 @@ jobs:
     name: benchmark (sending data) branch
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout Code
+      - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Setup Node
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: lts/*
+          node-version: 'lts/*'
       - name: Install Modules for undici
         run: npm i --ignore-scripts --omit=dev
       - name: Install Modules for Benchmarks
@@ -97,7 +97,7 @@ jobs:
     name: benchmark current h2
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout Code
+      - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
@@ -105,7 +105,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: lts/*
+          node-version: 'lts/*'
       - name: Install Modules for undici
         run: npm i --ignore-scripts --omit=dev
       - name: Install Modules for Benchmarks
@@ -119,14 +119,14 @@ jobs:
     name: benchmark branch h2
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout Code
+      - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Setup Node
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: lts/*
+          node-version: 'lts/*'
       - name: Install Modules for undici
         run: npm i --ignore-scripts --omit=dev
       - name: Install Modules for Benchmarks
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000000..b3c2f41c7f6
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,236 @@
+name: CI
+
+on:
+  push:
+    branches:
+     - main
+     - current
+     - next
+     - 'v*'
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  dependency-review:
+    if: ${{ github.event_name == 'pull_request' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        with:
+          egress-policy: audit
+
+      - name: Checkout Repository
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          persist-credentials: false
+
+      - name: Dependency Review
+        uses: actions/dependency-review-action@595b5aeba73380359d98a5e087f648dbb0edce1b # v4.7.3
+
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        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: Lint
+        run: npm run lint
+
+  test:
+    strategy:
+      fail-fast: false
+      max-parallel: 0
+      matrix:
+        node-version: ['20', '22', '24']
+        runs-on: ['ubuntu-latest', 'windows-latest', 'macos-latest']
+        exclude:
+          - node-version: '20'
+            runs-on: windows-latest
+    uses: ./.github/workflows/nodejs.yml
+    with:
+      codecov: ${{ matrix.node-version == '24' && matrix.runs-on == 'ubuntu-latest' }}
+      node-version: ${{ matrix.node-version }}
+      runs-on: ${{ matrix.runs-on }}
+    secrets: inherit
+
+  test-without-intl:
+    name: Test with Node.js ${{ matrix.node-version }} compiled --without-intl
+    strategy:
+      fail-fast: false
+      max-parallel: 0
+      matrix:
+        node-version: ['20', '22', '24']
+    runs-on: ubuntu-latest
+    timeout-minutes: 120
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          persist-credentials: false
+          submodules: recursive
+
+      # Setup node, install deps, and build undici prior to building icu-less node and testing
+      - name: Setup Node.js@${{ matrix.node-version }}
+        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build undici
+        run: npm run build:node
+
+      - name: Determine latest release
+        id: release
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        with:
+          result-encoding: string
+          script: |
+            const req = await fetch('https://nodejs.org/download/release/index.json')
+            const releases = await req.json()
+
+            const latest = releases.find((r) => r.version.startsWith('v${{ matrix.node-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@63069e3931dedbf3b63792097479563182fe70d1 #v1.2.18
+        with:
+          key: node${{ matrix.node-version }}
+
+      - name: Build node
+        working-directory: ./node-${{ 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 "Node.js built-in dependencies: $(node -p "'\r\n' + (Object.entries(process.versions).map(([k, v], i, arr) => (i !== arr.length - 1 ? '├──' : '└──') + k + '@' + v)).join('\r\n')")"
+          echo npm: $(npm --version)
+          echo git: $(git --version)
+          echo icu config: $(node -e "console.log(process.config)" | grep icu)
+
+      - name: Configure hosts file for WPT (Windows)
+        if: runner.os == 'Windows'
+        run: |
+          cd ${{ github.workspace }}\test\web-platform-tests\wpt
+          python wpt make-hosts-file | Out-File $env:SystemRoot\System32\drivers\etc\hosts -Encoding ascii -Append
+        shell: powershell
+
+      - name: Configure hosts file for WPT (Unix)
+        if: runner.os != 'Windows'
+        run: |
+          cd ${{ github.workspace }}/test/web-platform-tests/wpt
+          python3 wpt make-hosts-file | sudo tee -a /etc/hosts
+
+      - name: Run tests
+        run: npm run test:javascript:without-intl
+
+  test-fuzzing:
+    name: Fuzzing
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        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 Repository
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        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 typings tests
+        run: npm run test:typescript
+
+  test-sqlite:
+    name: Test with SQLite enabled
+    timeout-minutes: 15
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          persist-credentials: false
+
+      - name: Setup Node.js
+        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
+        with:
+          node-version: '24'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run typings tests
+        run: npm run test:sqlite
+
+  automerge:
+    if: >
+      github.event_name == 'pull_request' && github.event.pull_request.user.login == 'dependabot[bot]'
+    needs:
+      - dependency-review
+      - test
+      - test-types
+      - test-without-intl
+      - test-fuzzing
+      - lint
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - name: Merge Dependabot PR
+        uses: fastify/github-action-merge-dependabot@e820d631adb1d8ab16c3b93e5afe713450884a4a # v3.11.1
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index e8e321fcfa6..691bf4bed90 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -47,6 +47,8 @@ jobs:
 
       - name: Checkout repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          persist-credentials: false
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nodejs-nightly.yml
similarity index 63%
rename from .github/workflows/nightly.yml
rename to .github/workflows/nodejs-nightly.yml
index 7da843a9e6e..cda46a88d87 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nodejs-nightly.yml
@@ -1,4 +1,4 @@
-name: Nightly tests
+name: Node.js Nightly
 
 on:
   workflow_dispatch:
@@ -9,44 +9,33 @@ permissions:
   contents: read
 
 jobs:
-  test-linux:
+  test:
+    name: Test with Node.js ${{ matrix.node-version }} on ${{ matrix.runs-on }}
     if: github.repository == 'nodejs/undici'
-    uses: ./.github/workflows/test.yml
+    strategy:
+      fail-fast: false
+      max-parallel: 0
+      matrix:
+        node-version: ['25-nightly']
+        runs-on: [ubuntu-latest, windows-latest, macos-latest]
+    uses: ./.github/workflows/nodejs.yml
     with:
-      node-version: 23-nightly
-      runs-on: ubuntu-latest
+      node-version: ${{ matrix.node-version }}
+      runs-on: ${{ matrix.runs-on }}
     secrets: inherit
 
-  test-autobahn:
+  autobahn:
     if: github.repository == 'nodejs/undici'
     uses: ./.github/workflows/autobahn.yml
     with:
-      node-version: 23-nightly
-    secrets: inherit
-
-  test-windows:
-    if: github.repository == 'nodejs/undici'
-    uses: ./.github/workflows/test.yml
-    with:
-      node-version: 23-nightly
-      runs-on: windows-latest
-    secrets: inherit
-
-  test-macos:
-    if: github.repository == 'nodejs/undici'
-    uses: ./.github/workflows/test.yml
-    with:
-      node-version: 23-nightly
-      runs-on: macos-latest
+      node-version: '25-nightly'
     secrets: inherit
 
   report-failure:
-    if: ${{ always() && (needs.test-linux.result == 'failure' && needs.test-windows.result == 'failure' && needs.test-macos.result == 'failure') }}
+    if: ${{ always() && (needs.test.result == 'failure' || needs.autobahn.result == 'failure') }}
     needs:
-      - test-linux
-      - test-windows
-      - test-macos
-      - test-autobahn
+      - test
+      - autobahn
     runs-on: ubuntu-latest
     permissions:
       issues: write
diff --git a/.github/workflows/nodejs-shared.yml b/.github/workflows/nodejs-shared.yml
index 14044a2a655..a58c3ccda25 100644
--- a/.github/workflows/nodejs-shared.yml
+++ b/.github/workflows/nodejs-shared.yml
@@ -14,27 +14,27 @@ permissions:
 
 jobs:
   test-shared-builtin:
-    name: Test with Node.js ${{ matrix.version }} compiled --shared-builtin-undici/undici-path
+    name: Test with Node.js ${{ matrix.node-version }} compiled --shared-builtin-undici/undici-path
     strategy:
       fail-fast: false
       max-parallel: 0
       matrix:
-        version: [20, 22, 24]
+        node-version: ['20', '22', '24']
     runs-on: ubuntu-latest
     timeout-minutes: 120
     steps:
       # Checkout into a subdirectory otherwise Node.js tests will break due to finding Undici's package.json in a parent directory.
-      - name: Checkout
+      - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           path: ./undici
           persist-credentials: false
 
       # Setup node, install deps, and build undici prior to building node with `--shared-builtin-undici/undici-path` and testing
-      - name: Setup Node.js@${{ inputs.version }}
+      - name: Setup Node.js@${{ matrix.node-version }}
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: ${{ inputs.version }}
+          node-version: ${{ matrix.node-version }}
 
       - name: Install dependencies
         working-directory: ./undici
@@ -62,7 +62,7 @@ jobs:
             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${{ matrix.version }}'))
+            const latest = releases.find((r) => r.version.startsWith('v${{ matrix.node-version }}'))
             return latest.version
 
       - name: Download and extract source
@@ -74,7 +74,7 @@ jobs:
       - name: ccache
         uses: hendrikmuhs/ccache-action@63069e3931dedbf3b63792097479563182fe70d1 #v1.2.18
         with:
-          key: node(external_undici)${{ matrix.version }}
+          key: node(external_undici)${{ matrix.node-version }}
 
       - name: Build node
         working-directory: ./node-${{ steps.release.outputs.result }}
@@ -91,6 +91,7 @@ jobs:
         run: |
           echo OS: $(node -p "os.version()")
           echo Node.js: $(node --version)
+          echo "Node.js built-in dependencies: $(node -p "'\r\n' + (Object.entries(process.versions).map(([k, v], i, arr) => (i !== arr.length - 1 ? '├──' : '└──') + k + '@' + v)).join('\r\n')")"
           echo npm: $(npm --version)
           echo git: $(git --version)
           echo external config: $(node -e "console.log(process.config)" | grep NODE_SHARED_BUILTIN_UNDICI_UNDICI_PATH)
diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index a362a05bbe2..b8eb890c5f0 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -1,145 +1,53 @@
-name: Node CI
+name: Node.js
 
 on:
-  push:
-    branches:
-     - main
-     - current
-     - next
-     - 'v*'
-  pull_request:
+  workflow_call:
+    inputs:
+      node-version:
+        required: true
+        type: string
+      runs-on:
+        required: true
+        type: string
+      codecov:
+        required: false
+        type: boolean
+        default: false
 
 permissions:
   contents: read
 
 jobs:
-  dependency-review:
-    if: ${{ github.event_name == 'pull_request' }}
-    runs-on: ubuntu-latest
-    steps:
-      - name: Harden Runner
-        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
-        with:
-          egress-policy: audit
-
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-        with:
-          persist-credentials: false
-
-      - name: Dependency Review
-        uses: actions/dependency-review-action@595b5aeba73380359d98a5e087f648dbb0edce1b # v4.7.3
-
-  lint:
-    name: Lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-        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: Lint
-        run: npm run lint
-
   test:
-    strategy:
-      fail-fast: false
-      max-parallel: 0
-      matrix:
-        node-version:
-          - 20
-          - 22
-          - 24
-        runs-on:
-          - ubuntu-latest
-          - windows-latest
-          - macos-latest
-        exclude:
-          - node-version: 20
-            runs-on: windows-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, 24]
-    runs-on: ubuntu-latest
-    timeout-minutes: 120
+    name: Test with Node.js ${{ inputs.node-version }} on ${{ inputs.runs-on }}
+    timeout-minutes: 15
+    runs-on: ${{ inputs.runs-on }}
     steps:
-      - name: Checkout
+      - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
           submodules: recursive
 
-      # Setup node, install deps, and build undici prior to building icu-less node and testing
-      - name: Setup Node.js@${{ inputs.version }}
+      - name: Setup Node.js@${{ inputs.node-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@63069e3931dedbf3b63792097479563182fe70d1 #v1.2.18
-        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
+          node-version: ${{ inputs.node-version }}
 
       - name: Print version information
         run: |
           echo OS: $(node -p "os.version()")
           echo Node.js: $(node --version)
+          echo "Node.js built-in dependencies: $(node -p "'\r\n' + (Object.entries(process.versions).map(([k, v], i, arr) => (i !== arr.length - 1 ? '├──' : '└──') + k + '@' + v)).join('\r\n')")"
           echo npm: $(npm --version)
           echo git: $(git --version)
-          echo icu config: $(node -e "console.log(process.config)" | grep icu)
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Print installed dependencies
+        run: npm ls --all
+        continue-on-error: true
 
       - name: Configure hosts file for WPT (Windows)
         if: runner.os == 'Windows'
@@ -154,87 +62,22 @@ jobs:
           cd ${{ github.workspace }}/test/web-platform-tests/wpt
           python3 wpt make-hosts-file | sudo tee -a /etc/hosts
 
-      - name: Run tests
-        run: npm run test:javascript:without-intl
-
-  test-fuzzing:
-    name: Fuzzing
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-        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@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-        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 typings tests
-        run: npm run test:typescript
-
-  test-sqlite:
-    name: Test with SQLite enabled
-    timeout-minutes: 15
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-        with:
-          persist-credentials: false
-
-      - name: Setup Node.js
-        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
-        with:
-          node-version: 22
-
-      - name: Install dependencies
-        run: npm install
-
-      - name: Run typings tests
-        run: npm run test:sqlite
+      - name: Run tests with coverage
+        id: coverage
+        if: inputs.codecov == true
+        run: npm run coverage:ci
+        env:
+          CI: true
+          NODE_V8_COVERAGE: ./coverage/tmp
 
-  automerge:
-    if: >
-      github.event_name == 'pull_request' && github.event.pull_request.user.login == 'dependabot[bot]'
-    needs:
-      - dependency-review
-      - test
-      - test-types
-      - test-without-intl
-      - test-fuzzing
-      - lint
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-      pull-requests: write
-    steps:
-      - name: Merge Dependabot PR
-        uses: fastify/github-action-merge-dependabot@e820d631adb1d8ab16c3b93e5afe713450884a4a # v3.11.1
+      - name: Run tests
+        if: inputs.codecov != true
+        run: npm run test:javascript
+        env:
+          CI: true
+
+      - name: Coverage Report
+        if: inputs.codecov == true
+        uses: codecov/codecov-action@fdcc8476540edceab3de004e990f80d881c6cc00 # v5.5.0
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.github/workflows/release-create-pr.yml b/.github/workflows/release-create-pr.yml
index f61bda23076..0a4a697a251 100644
--- a/.github/workflows/release-create-pr.yml
+++ b/.github/workflows/release-create-pr.yml
@@ -30,14 +30,23 @@ jobs:
       version: ${{ steps.bump.outputs.version }}
 
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - name: Checkout Repository
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        id: checkout
         with:
-          node-version: '20'
+          persist-credentials: true
+
+      - name: Setup Node.js
+        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
+        id: setup-node
+        with:
+          node-version: 'lts/*'
       - name: Git Config
+        id: git-config
         run: |
           git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
           git config --global user.name "github-actions[bot]"
+
       - name: Change version number and push
         id: bump
         run: |
@@ -48,8 +57,10 @@ jobs:
           git commit -m "Bumped v$VERSION"
           git push origin "HEAD:$RELEASE_BRANCH"
           echo "version=$VERSION" >> $GITHUB_OUTPUT
+
       - name: Create PR
-        uses: actions/github-script@v7
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        id: create-pr
         with:
           script: |
             const defaultBranch = "${{ github.event.repository.default_branch }}"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bc62816e90b..29f8db5b487 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,4 +1,4 @@
-name: Create release
+name: Release undici and undici-types on NPM and create GitHub Release
 
 on:
   push:
@@ -11,14 +11,19 @@ permissions:
   contents: read
 
 jobs:
-  check-release-version:
+  determine-release-version:
     runs-on: ubuntu-latest
     outputs:
-      release-version: ${{ steps.set-release-version.outputs.result }}
+      release-version: ${{ steps.determine-release-version.outputs.result }}
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/github-script@v7
-        id: set-release-version
+      - name: Checkout Repository
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        id: checkout
+        with:
+          persist-credentials: false
+      - name: Determine release version
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        id: determine-release-version
         with:
           result-encoding: string
           script: |
@@ -39,8 +44,8 @@ jobs:
 
   release:
     runs-on: ubuntu-latest
-    needs: check-release-version
-    if: ${{ startsWith(needs.check-release-version.outputs.release-version, 'v') }}
+    needs: determine-release-version
+    if: ${{ startsWith(needs.determine-release-version.outputs.release-version, 'v') }}
 
     permissions:
       contents: write
@@ -49,22 +54,44 @@ jobs:
     environment: release
 
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - name: Checkout Repository
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        id: checkout
+        with:
+          persist-credentials: true
+
+      - name: Setup Node.js
+        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: '22'
+          node-version: 'lts/*'
           registry-url: 'https://registry.npmjs.org'
-      - run: npm install -g npm@latest
-      - run: npm install
-      - name: Create NPM release
+
+      - name: Install globally latest npm
+        run: npm install -g npm@latest
+        id: install-globally-latest-npm
+
+      - name: Install dependencies
+        run: npm install
+        id: install-dependencies
+
+      - name: Publish undici on NPM
         run: npm publish --access public
-      - run: node scripts/generate-undici-types-package-json.js
-      - run: npm publish
+        id: npm-publish-undici
+
+      - name: Generate Types Package
+        run: node scripts/generate-undici-types-package-json.js
+        id: generate-types-package
+
+      - name: Publish undici-types on NPM
+        run: npm publish
+        id: npm-publish-undici-types
         working-directory: './types'
+
       - name: Create GitHub release
-        uses: actions/github-script@v7
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        id: create-gh-release
         with:
           script: |
             const defaultBranch = "${{ github.event.repository.default_branch }}"
-            const versionTag = "${{ needs.check-release-version.outputs.release-version }}"
+            const versionTag = "${{ needs.determine-release-version.outputs.release-version }}"
             await require('./scripts/release').release({ github, context, defaultBranch, versionTag })
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
deleted file mode 100644
index d2cb4a8fb9e..00000000000
--- a/.github/workflows/test.yml
+++ /dev/null
@@ -1,78 +0,0 @@
-name: Run tests
-
-on:
-  workflow_call:
-    inputs:
-      node-version:
-        required: true
-        type: string
-      runs-on:
-        required: true
-        type: string
-
-permissions:
-  contents: read
-
-jobs:
-  test:
-    name: Test with Node.js ${{ inputs.node-version }} on ${{ inputs.runs-on }}
-    timeout-minutes: 15
-    runs-on: ${{ inputs.runs-on }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-        with:
-          persist-credentials: false
-          submodules: recursive
-
-      - name: Setup Node.js@${{ inputs.node-version }}
-        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
-        with:
-          node-version: ${{ inputs.node-version }}
-
-      - name: Print version information
-        run: |
-          echo OS: $(node -p "os.version()")
-          echo Node.js: $(node --version)
-          echo npm: $(npm --version)
-          echo git: $(git --version)
-
-      - name: Install dependencies
-        run: npm install
-
-      - name: Print installed dependencies
-        run: npm ls --all
-        continue-on-error: true
-
-      - name: Configure hosts file for WPT (Windows)
-        if: runner.os == 'Windows'
-        run: |
-          cd ${{ github.workspace }}\test\web-platform-tests\wpt
-          python wpt make-hosts-file | Out-File $env:SystemRoot\System32\drivers\etc\hosts -Encoding ascii -Append
-        shell: powershell
-
-      - name: Configure hosts file for WPT (Unix)
-        if: runner.os != 'Windows'
-        run: |
-          cd ${{ github.workspace }}/test/web-platform-tests/wpt
-          python3 wpt make-hosts-file | sudo tee -a /etc/hosts
-
-      - 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
-        env:
-          CI: true
-
-      - name: Coverage Report
-        if: inputs.runs-on == 'ubuntu-latest' && inputs.node-version == 20
-        uses: codecov/codecov-action@fdcc8476540edceab3de004e990f80d881c6cc00 # v5.5.0
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.github/workflows/update-cache-tests.yml b/.github/workflows/update-cache-tests.yml
index e0fb9eed6c0..a1696737919 100644
--- a/.github/workflows/update-cache-tests.yml
+++ b/.github/workflows/update-cache-tests.yml
@@ -21,6 +21,8 @@ jobs:
 
       - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          persist-credentials: true
 
       - name: Update Cache Tests
         run: |
diff --git a/README.md b/README.md
index eb69c0ca8f4..22c43d0a350 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # undici
 
-[![Node CI](https://github.com/nodejs/undici/actions/workflows/nodejs.yml/badge.svg)](https://github.com/nodejs/undici/actions/workflows/nodejs.yml) [![neostandard javascript style](https://img.shields.io/badge/neo-standard-7fffff?style=flat\&labelColor=ff80ff)](https://github.com/neostandard/neostandard) [![npm version](https://badge.fury.io/js/undici.svg)](https://badge.fury.io/js/undici) [![codecov](https://codecov.io/gh/nodejs/undici/branch/main/graph/badge.svg?token=yZL6LtXkOA)](https://codecov.io/gh/nodejs/undici)
+[![Node CI](https://github.com/nodejs/undici/actions/workflows/ci.yml/badge.svg)](https://github.com/nodejs/undici/actions/workflows/nodejs.yml) [![neostandard javascript style](https://img.shields.io/badge/neo-standard-7fffff?style=flat\&labelColor=ff80ff)](https://github.com/neostandard/neostandard) [![npm version](https://badge.fury.io/js/undici.svg)](https://badge.fury.io/js/undici) [![codecov](https://codecov.io/gh/nodejs/undici/branch/main/graph/badge.svg?token=yZL6LtXkOA)](https://codecov.io/gh/nodejs/undici)
 
 An HTTP/1.1 client, written from scratch for Node.js.