diff --git a/.github/workflows/ci-nx.yml b/.github/workflows/ci-nx.yml
index fe9a00fb6c..afd3770870 100644
--- a/.github/workflows/ci-nx.yml
+++ b/.github/workflows/ci-nx.yml
@@ -80,13 +80,6 @@ jobs:
           package_manager: pnpm
           build_script: build:nx
 
-      # TODO: Move the cache saving to a job on the main branch
-      - name: Save Nx cache
-        uses: actions/cache/save@d4323d4df104b026a6aa633fdb11d772146be0bf # v4
-        with:
-          path: .nx/cache
-          key: nx-${{ runner.os }}-${{ hashFiles('pnpm-lock.yaml', 'nx.json') }}
-
   build:
     name: Build
     strategy:
diff --git a/.github/workflows/publish-v2.yml b/.github/workflows/publish-v2.yml
index dc06939cc8..6dfc7555b4 100644
--- a/.github/workflows/publish-v2.yml
+++ b/.github/workflows/publish-v2.yml
@@ -177,6 +177,14 @@ jobs:
         env:
           S3_BUCKET_NAME: ${{ secrets.S3_BUCKET_NAME }}
 
+      # Report bundle size to Amplitude
+      - name: Report bundle size to Amplitude
+        continue-on-error: true
+        env:
+          AMPLITUDE_API_KEY: ${{ secrets.AMPLITUDE_API_KEY }}
+        run: |
+          node ./scripts/report-bundle-size.js
+
   prerelease:
     name: Prerelease feature branch
     runs-on: ubuntu-latest
diff --git a/.size-limit.js b/.size-limit.js
index 428207e854..7fb5ef8ceb 100644
--- a/.size-limit.js
+++ b/.size-limit.js
@@ -1,19 +1,25 @@
 const limits = [
   {
     // analytics-browser bundle
-    path: './packages/analytics-browser/lib/scripts/amplitude-min.js.gz',
+    packageJsonPath: './packages/analytics-browser/package.json',
+    path: `./packages/analytics-browser/lib/scripts/amplitude-min.js.gz`,
+    name: 'analytics-browser.min.js.gz',
     limit: '65kb',
     brotli: false,
   },
   {
     // session-replay standalone bundle
-    path: './packages/session-replay-browser/lib/scripts/session-replay-browser-min.js.gz',
+    packageJsonPath: './packages/session-replay-browser/package.json',
+    path: `./packages/session-replay-browser/lib/scripts/session-replay-browser-min.js.gz`,
+    name: 'session-replay-browser.min.js.gz',
     limit: '150kb',
     brotli: false,
   },
   {
     // unified SDK bundle
-    path: './packages/unified/lib/scripts/amplitude-min.umd.js.gz',
+    packageJsonPath: './packages/unified/package.json',
+    path: `./packages/unified/lib/scripts/amplitude-min.umd.js.gz`,
+    name: 'unified.min.umd.js.gz',
     limit: '225kb',
     brotli: false,
   },
diff --git a/scripts/report-bundle-size.js b/scripts/report-bundle-size.js
new file mode 100644
index 0000000000..22304e748b
--- /dev/null
+++ b/scripts/report-bundle-size.js
@@ -0,0 +1,45 @@
+const sizeLimits = require('../.size-limit.js');
+const fs = require('fs');
+const path = require('path');
+
+function getBundleSizeEvent(filepath, size, filename, packageJsonPath) {
+  const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, 'utf8'));
+  const packageName = packageJson.name;
+  return {
+    user_id: 'sdk-bundle-size-reporter',
+    event_type: 'SDK Bundle Size',
+    event_properties: {
+      bundle_size: size,
+      bundle_path: filepath,
+      filename: filename || path.basename(filepath),
+      package_name: packageName,
+      package_version: packageJson.version,
+    },
+  };
+}
+
+const events = [];  
+for (const limit of sizeLimits) {
+  const size = fs.statSync(limit.path).size;
+  events.push(getBundleSizeEvent(limit.path, size, limit.name, limit.packageJsonPath));
+}
+
+fetch('https://api.amplitude.com/2/httpapi', {
+  method: 'POST',
+  headers: {
+    'Content-Type': 'application/json',
+  },
+  body: JSON.stringify({
+    api_key: process.env.AMPLITUDE_API_KEY,
+    events: events,
+  }),
+}).then(response => {
+  console.log(response.status);
+  response.json().then(data => {
+    console.log(data);
+    process.exit(response.status >= 400 ? 1 : 0);
+  });
+}).catch(error => {
+  console.error('Error reporting bundle size to Amplitude:', error);
+  process.exit(1);
+});
\ No newline at end of file