diff --git a/.github/workflows/action-format.yml b/.github/workflows/action-format.yml
index aafef6598d..a4d279086e 100644
--- a/.github/workflows/action-format.yml
+++ b/.github/workflows/action-format.yml
@@ -60,12 +60,18 @@ jobs:
           git clone $HEAD_REPO .
           git checkout -b "$HEAD_REF" "origin/$HEAD_REF"
 
-      - name: Use Node.js LTS (18.x)
+      - name: Enable corepack to fix https://github.com/actions/setup-node/pull/901
+        run: corepack enable pnpm
+
+      - name: Use Node.js LTS (20.x)
         uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
-          node-version: '18'
+          node-version: 20.x
+          cache: 'pnpm'
+
       - name: Install project development dependencies
-        run: npm install --no-save
+        run: corepack pnpm install --no-save
+
       - name: 'Format code'
         run: ./bin/format.sh
 
diff --git a/.github/workflows/action-sync.yml b/.github/workflows/action-sync.yml
index 950f9230a8..7a3c59ec7d 100644
--- a/.github/workflows/action-sync.yml
+++ b/.github/workflows/action-sync.yml
@@ -61,9 +61,11 @@ jobs:
           git checkout -b "$HEAD_REF" "origin/$HEAD_REF"
 
       - name: 'Install dependencies'
-        run: yarn install
+        run: |
+          corepack enable pnpm
+          corepack pnpm install
       - name: 'Sync exercises'
-        run: npx babel-node scripts/sync
+        run: corepack pnpm node scripts/sync.mjs
 
       - name: 'Commit changes'
         run: |
diff --git a/.github/workflows/ci.js.yml b/.github/workflows/ci.js.yml
index a0bd09ed76..5dc5559e43 100644
--- a/.github/workflows/ci.js.yml
+++ b/.github/workflows/ci.js.yml
@@ -13,33 +13,41 @@ jobs:
 
     steps:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
-      - name: Use Node.js LTS (18.x)
+      - name: Enable corepack to fix https://github.com/actions/setup-node/pull/901
+        run: corepack enable pnpm
+
+      - name: Use Node.js LTS (20.x)
         uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
-          node-version: '18'
+          node-version: 20.x
+          cache: 'pnpm'
 
       - name: Install project dependencies
-        run: npm ci
+        run: corepack pnpm install --frozen-lockfile
 
       - name: Run exercism/javascript ci precheck (checks config, lint code, and runs tests) for all exercises
-        run: npx babel-node scripts/ci-check
+        run: corepack pnpm node scripts/ci-check.mjs
 
   ci:
     runs-on: ubuntu-22.04
 
     strategy:
       matrix:
-        node-version: ['18', '20']
+        node-version: [20.x, 22.x]
 
     steps:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - name: Enable corepack to fix https://github.com/actions/setup-node/pull/901
+        run: corepack enable pnpm
+
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
           node-version: ${{ matrix.node-version }}
+          cache: 'pnpm'
 
       - name: Install project dependencies
-        run: npm ci
+        run: corepack pnpm install --frozen-lockfile
 
       - name: Run exercism/javascript ci (checks config, lint code, and runs tests) for all exercises
-        run: npx babel-node scripts/ci
+        run: corepack pnpm node scripts/ci.mjs
diff --git a/.github/workflows/pr.ci.js.yml b/.github/workflows/pr.ci.js.yml
index ebb70812f8..ea5a3e22bd 100644
--- a/.github/workflows/pr.ci.js.yml
+++ b/.github/workflows/pr.ci.js.yml
@@ -12,44 +12,42 @@ jobs:
     steps:
       - name: Checkout PR
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - name: Enable corepack to fix https://github.com/actions/setup-node/pull/901
+        run: corepack enable pnpm
 
-      - name: Use Node.js LTS (18.x)
+      - name: Use Node.js LTS (20.x)
         uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
-          node-version: '18'
+          node-version: 20.x
+          cache: 'pnpm'
 
       - name: Install project dependencies
-        run: npm ci
+        run: corepack pnpm install --frozen-lockfile
 
       - name: Run exercism/javascript ci precheck (stub files, config integrity) for changed exercises
-        run: |
-          PULL_REQUEST_URL=$(jq -r ".pull_request.url" "$GITHUB_EVENT_PATH")
-          curl --url $"${PULL_REQUEST_URL}/files?per_page=100" --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' | \
-            jq -c '.[] | select(.status == "added" or .status == "modified") | select(.filename | match("\\.(js|jsx|md|json)$")) | .filename' | \
-            xargs -r npx babel-node scripts/pr-check
+        run: corepack pnpm node scripts/pr.mjs ${{ steps.changed-files.outputs.changed_files }}
 
   ci:
     runs-on: ubuntu-22.04
 
     strategy:
       matrix:
-        node-version: ['18', '20']
+        node-version: [20.x, 22.x]
 
     steps:
       - name: Checkout PR
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - name: Enable corepack to fix https://github.com/actions/setup-node/pull/901
+        run: corepack enable pnpm
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
         with:
           node-version: ${{ matrix.node-version }}
+          cache: 'pnpm'
 
       - name: Install project dependencies
-        run: npm ci
+        run: corepack pnpm install --frozen-lockfile
 
       - name: Run exercism/javascript ci (runs tests) for changed/added exercises
-        run: |
-          PULL_REQUEST_URL=$(jq -r ".pull_request.url" "$GITHUB_EVENT_PATH")
-          curl --url $"${PULL_REQUEST_URL}/files?per_page=100" --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' | \
-            jq -c '.[] | select(.status == "added" or .status == "modified") | select(.filename | match("\\.(js|jsx|md|json)$")) | .filename' | \
-            xargs -r npx babel-node scripts/pr
+        run: corepack pnpm node scripts/pr.mjs ${{ steps.changed-files.outputs.changed_files }}
diff --git a/.github/workflows/verify-code-formatting.yml b/.github/workflows/verify-code-formatting.yml
index 8845830899..b0b20a468a 100644
--- a/.github/workflows/verify-code-formatting.yml
+++ b/.github/workflows/verify-code-formatting.yml
@@ -11,11 +11,6 @@ jobs:
     steps:
       - name: 'Checkout code'
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
-      - name: Use Node.js LTS (18.x)
-        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
-        with:
-          node-version: '18'
-      - name: Install project development dependencies
-        run: npm i
+
       - name: 'Verify formatting of all files'
         run: ./bin/check-formatting.sh
diff --git a/scripts/helpers.mjs b/scripts/helpers.mjs
index ebb3590324..5c596663b7 100644
--- a/scripts/helpers.mjs
+++ b/scripts/helpers.mjs
@@ -37,14 +37,13 @@ export function assertAssignment(assignment, shouldExist = true) {
   }
 
   shell.echo("[Failure] that's not a valid assignment reference");
-  const chalk = require('chalk');
 
   if (assignment.split(path.sep).length === 1) {
     // prettier-ignore
     shell.echo(`
-Expected ${chalk.cyan(`{type}${path.sep}{slug}`)}, actual: ${chalk.yellow(assignment)}.
-- Use ${chalk.green(`concept${path.sep}${assignment}`)} if ${chalk.yellow(assignment)} is a concept exercise.
-- Use ${chalk.green(`practice${path.sep}${assignment}`)} if ${chalk.yellow(assignment)} is a practice exercise.
+Expected ${`{type}${path.sep}{slug}`}, actual: ${assignment}.
+- Use ${`concept${path.sep}${assignment}`} if ${assignment} is a concept exercise.
+- Use ${`practice${path.sep}${assignment}`} if ${assignment} is a practice exercise.
     `.trim());
   }
 
@@ -172,13 +171,7 @@ export function cleanUp() {
 // These packages will be skipped while performing checksum. In other words,
 // these packages are only interesting for maintaining this repository and not
 // for the student.
-const SKIP_PACKAGES_FOR_CHECKSUM = [
-  'shelljs',
-  '@babel/node',
-  'prettier',
-  'diff',
-  'chalk',
-];
+const SKIP_PACKAGES_FOR_CHECKSUM = ['shelljs', 'prettier'];
 
 // These fields may differ between package.json files.
 const SKIP_FIELDS_FOR_CHECKSUM = [