diff --git a/.github/workflows/node.js.yaml b/.github/workflows/node.js.yaml
index 2d67a2e..f8e2a3a 100644
--- a/.github/workflows/node.js.yaml
+++ b/.github/workflows/node.js.yaml
@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
diff --git a/.github/workflows/publish-package-to-npmjs.yml b/.github/workflows/publish-package-to-npmjs.yml
index bce8434..a84308f 100644
--- a/.github/workflows/publish-package-to-npmjs.yml
+++ b/.github/workflows/publish-package-to-npmjs.yml
@@ -26,6 +26,11 @@ on:
         description: Publish package to CDN (In general, always release to both)
         required: false
         default: true
+      release_latest_version:
+        type: number
+        description: Release a latest major version (*-[majorVersion]-latest.js)
+        required: false
+        default: false
 jobs:
   incrementVersionNumber:
     uses: IABTechLab/uid2-shared-actions/.github/workflows/shared-increase-version-number.yaml@v2
@@ -37,7 +42,7 @@ jobs:
     needs: [incrementVersionNumber]
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
         target: [development, production]
     steps:
@@ -56,16 +61,26 @@ jobs:
         run: npm install
       - name: Build script
         run: npm run build -- --mode=${{ matrix.target }}
+      # - uses: actions/upload-artifact@v4
+      #   if: inputs.publish_to_cdn
+      #   with:
+      #     name: uid2SDK-${{ matrix.target }}-${{ steps.version.outputs.package_version }}
+      #     path: ./dist/uid2-sdk-${{ steps.version.outputs.package_version }}.js
       - uses: actions/upload-artifact@v4
-        if: inputs.publish_to_cdn
+        if: inputs.release_latest_version
         with:
-          name: uid2SDK-${{ matrix.target }}-${{ steps.version.outputs.package_version }}
-          path: ./dist/uid2-sdk-${{ steps.version.outputs.package_version }}.js
+          name: uid2SDK-${{ matrix.target }}-v${{inputs.release_latest_version}}-latest
+          path: ./dist/uid2-sdk-latest.js
+      # - uses: actions/upload-artifact@v4
+      #   if: inputs.publish_to_cdn
+      #   with:
+      #     name: euidSDK-${{ matrix.target }}-${{ steps.version.outputs.package_version }}
+      #     path: ./dist/euid-sdk-${{ steps.version.outputs.package_version }}.js
       - uses: actions/upload-artifact@v4
-        if: inputs.publish_to_cdn
+        if: inputs.release_latest_version
         with:
-          name: euidSDK-${{ matrix.target }}-${{ steps.version.outputs.package_version }}
-          path: ./dist/euid-sdk-${{ steps.version.outputs.package_version }}.js
+          name: euidSDK-${{ matrix.target }}-v${{inputs.release_latest_version}}-latest
+          path: ./dist/euid-sdk-latest.js
     outputs:
       sdkVersion: ${{ steps.version.outputs.package_version }}
   publish-package:
@@ -78,7 +93,7 @@ jobs:
           ref: ${{ needs.incrementVersionNumber.outputs.git_tag_or_hash }}
       - uses: actions/setup-node@v4
         with:
-          node-version: '18.x'
+          node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'
           scope: uid2
       - run: npm ci
@@ -112,11 +127,20 @@ jobs:
       - uses: actions/checkout@v4
         with:
           ref: ${{ needs.incrementVersionNumber.outputs.git_tag_or_hash }}
+      # - uses: ./.github/actions/cdn_deployment_aws
+      #   with:
+      #     environment: ${{ matrix.environment }}
+      #     artifact: uid2SDK-${{ (matrix.environment == 'integ' && 'development') || matrix.environment }}-${{ needs.build.outputs.sdkVersion}}
+      #     invalidate_paths: '/uid2-sdk-${{ needs.build.outputs.sdkVersion}}.js'
+      #     aws_account_id: ${{ vars.AWS_ACCOUNT_ID }}
+      #     aws_bucket_name: ${{ vars.S3_BUCKET }}
+      #     aws_distribution_id: ${{ secrets.AWS_DISTRIBUTION_ID }}
       - uses: ./.github/actions/cdn_deployment_aws
+        if: inputs.release_latest_version
         with:
           environment: ${{ matrix.environment }}
-          artifact: uid2SDK-${{ (matrix.environment == 'integ' && 'development') || matrix.environment }}-${{ needs.build.outputs.sdkVersion}}
-          invalidate_paths: '/uid2-sdk-${{ needs.build.outputs.sdkVersion}}.js'
+          artifact: uid2SDK-${{ (matrix.environment == 'integ' && 'development') || matrix.environment }}-v${{inputs.release_latest_version}}-latest
+          invalidate_paths: '/uid2-sdk-v${{inputs.release_latest_version}}-latest.js'
           aws_account_id: ${{ vars.AWS_ACCOUNT_ID }}
           aws_bucket_name: ${{ vars.S3_BUCKET }}
           aws_distribution_id: ${{ secrets.AWS_DISTRIBUTION_ID }}
@@ -134,11 +158,20 @@ jobs:
       - uses: actions/checkout@v4
         with:
           ref: ${{ needs.incrementVersionNumber.outputs.git_tag_or_hash }}
+      # - uses: ./.github/actions/cdn_deployment_aws
+      #   with:
+      #     environment: ${{ matrix.environment }}
+      #     artifact: euidSDK-${{ (matrix.environment == 'integ' && 'development') || matrix.environment }}-${{ needs.build.outputs.sdkVersion}}
+      #     invalidate_paths: '/euid-sdk-${{ needs.build.outputs.sdkVersion}}.js'
+      #     aws_account_id: ${{ vars.EUID_AWS_ACCOUNT_ID }}
+      #     aws_bucket_name: ${{ vars.EUID_S3_BUCKET }}
+      #     aws_distribution_id: ${{ secrets.EUID_AWS_DISTRIBUTION_ID }}
       - uses: ./.github/actions/cdn_deployment_aws
+        if: inputs.release_latest_version
         with:
           environment: ${{ matrix.environment }}
-          artifact: euidSDK-${{ (matrix.environment == 'integ' && 'development') || matrix.environment }}-${{ needs.build.outputs.sdkVersion}}
-          invalidate_paths: '/euid-sdk-${{ needs.build.outputs.sdkVersion}}.js'
+          artifact: euidSDK-${{ (matrix.environment == 'integ' && 'development') || matrix.environment }}-v${{inputs.release_latest_version}}-latest
+          invalidate_paths: '/euid-sdk-v${{inputs.release_latest_version}}-latest.js'
           aws_account_id: ${{ vars.EUID_AWS_ACCOUNT_ID }}
           aws_bucket_name: ${{ vars.EUID_S3_BUCKET }}
           aws_distribution_id: ${{ secrets.EUID_AWS_DISTRIBUTION_ID }}
diff --git a/.github/workflows/secureSignal-cd.yaml b/.github/workflows/secureSignal-cd.yaml
index b7c2c6d..50fa691 100644
--- a/.github/workflows/secureSignal-cd.yaml
+++ b/.github/workflows/secureSignal-cd.yaml
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
         target: [development, production]
 
diff --git a/package-lock.json b/package-lock.json
index bdd8eec..5cd1042 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@uid2/uid2-sdk",
-  "version": "3.10.0",
+  "version": "3.10.19-SNAPSHOT",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@uid2/uid2-sdk",
-      "version": "3.10.0",
+      "version": "3.10.19-SNAPSHOT",
       "license": "Apache 2.0",
       "dependencies": {
         "axios": "^1.7.9",
@@ -47,7 +47,7 @@
         "webpack-dev-server": "^5.1.0"
       },
       "engines": {
-        "node": ">=18"
+        "node": ">=20"
       }
     },
     "node_modules/@ampproject/remapping": {
diff --git a/package.json b/package.json
index bcc1b02..8f5f73d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@uid2/uid2-sdk",
-  "version": "3.10.0",
+  "version": "3.10.19-SNAPSHOT",
   "description": "UID2 Client SDK",
   "author": "The Trade Desk",
   "repository": {
@@ -27,7 +27,7 @@
     "localtest": "cd localtest && tsx server.ts"
   },
   "engines": {
-    "node": ">=18"
+    "node": ">=20"
   },
   "jest": {
     "preset": "ts-jest",
diff --git a/webpack.config.js b/webpack.config.js
index fe4d0eb..7577c62 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -31,10 +31,18 @@ module.exports = (env, argv) => {
             import: uid2Entrypoint,
             filename: `uid2-sdk-${process.env.npm_package_version}.js`,
           },
+          'uid2-sdk-latest': {
+            import: uid2Entrypoint,
+            filename: `uid2-sdk-latest.js`,
+          },
           'euid-sdk': {
             import: euidEntrypoint,
             filename: `euid-sdk-${process.env.npm_package_version}.js`,
           },
+          'euid-sdk-latest': {
+            import: euidEntrypoint,
+            filename: `euid-sdk-latest.js`,
+          },
           ...getExampleOutputs(env),
         }
       : espOutput,