diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5fc8f9d55e5c..8fd537898b28 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1035,14 +1035,19 @@ jobs:
           overwrite: true
           retention-days: 7
 
+      - name: Pre-process E2E Test Dumps
+        run: |
+          node ./scripts/normalize-e2e-test-dump-transaction-events.js
+
       - name: Upload E2E Test Event Dumps
         uses: actions/upload-artifact@v4
         if: always()
         with:
-          name: e2e-test-event-dumps
+          name: E2E Test Dump (${{ matrix.label || matrix.test-application }})
           path: dev-packages/e2e-tests/test-applications/${{ matrix.test-application }}/event-dumps
           overwrite: true
           retention-days: 7
+          if-no-files-found: ignore
 
       - name: Upload test results to Codecov
         if: cancelled() == false
@@ -1083,10 +1088,6 @@ jobs:
             'react-send-to-sentry',
             'node-express-send-to-sentry',
             'debug-id-sourcemaps',
-            'nextjs-app-dir',
-            'nextjs-13',
-            'nextjs-14',
-            'nextjs-15',
           ]
         build-command:
           - false
@@ -1184,6 +1185,20 @@ jobs:
         timeout-minutes: 10
         run: pnpm ${{ matrix.assert-command || 'test:assert' }}
 
+      - name: Pre-process E2E Test Dumps
+        run: |
+          node ./scripts/normalize-e2e-test-dump-transaction-events.js
+
+      - name: Upload E2E Test Event Dumps
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: E2E Test Dump (${{ matrix.label || matrix.test-application }})
+          path: dev-packages/e2e-tests/test-applications/${{ matrix.test-application }}/event-dumps
+          overwrite: true
+          retention-days: 7
+          if-no-files-found: ignore
+
       - name: Deploy Astro to Cloudflare
         uses: cloudflare/pages-action@v1
         if: matrix.test-application == 'cloudflare-astro'
diff --git a/packages/nextjs/src/config/loaders/wrappingLoader.ts b/packages/nextjs/src/config/loaders/wrappingLoader.ts
index d3c1d62c9330..e298a459d16e 100644
--- a/packages/nextjs/src/config/loaders/wrappingLoader.ts
+++ b/packages/nextjs/src/config/loaders/wrappingLoader.ts
@@ -182,8 +182,10 @@ export default function wrappingLoader(
 
     const componentTypeMatch = path.posix
       .normalize(path.relative(appDir, this.resourcePath))
+      // Replace all backslashes with forward slashes (windows)
+      .replace(/\\/g, '/')
       // eslint-disable-next-line @sentry-internal/sdk/no-regexp-constructor
-      .match(new RegExp(`/\\/?([^/]+)\\.(?:${pageExtensionRegex})$`));
+      .match(new RegExp(`(?:^|/)?([^/]+)\\.(?:${pageExtensionRegex})$`));
 
     if (componentTypeMatch && componentTypeMatch[1]) {
       let componentType: ServerComponentContext['componentType'];
diff --git a/scripts/normalize-e2e-test-dump-transaction-events.js b/scripts/normalize-e2e-test-dump-transaction-events.js
index ba06a63fa020..771dcccd8f87 100644
--- a/scripts/normalize-e2e-test-dump-transaction-events.js
+++ b/scripts/normalize-e2e-test-dump-transaction-events.js
@@ -1,81 +1,95 @@
+// @ts-check
 /* eslint-disable no-console */
 
 const fs = require('fs');
 const path = require('path');
+const glob = require('glob');
+
+glob.glob(
+  '../dev-packages/e2e-tests/test-applications/*/event-dumps/*.dump',
+  {
+    cwd: __dirname,
+    absolute: true,
+  },
+  (err, dumpPaths) => {
+    if (err) {
+      throw err;
+    }
 
-if (process.argv.length < 4) {
-  throw new Error('Please provide an input and output file path as an argument.');
-}
-
-const resolvedInputPath = path.resolve(process.argv[2]);
-const resolvedOutputPath = path.resolve(process.argv[3]);
-
-const fileContents = fs.readFileSync(resolvedInputPath, 'utf8');
-
-const transactionNodes = [];
-
-fileContents.split('\n').forEach(serializedEnvelope => {
-  let envelope;
-  try {
-    envelope = JSON.parse(serializedEnvelope);
-  } catch (e) {
-    return;
-    // noop
-  }
+    dumpPaths.forEach(dumpPath => {
+      const fileContents = fs.readFileSync(dumpPath, 'utf8');
 
-  const envelopeItems = envelope[1];
-
-  envelopeItems.forEach(([envelopeItemHeader, transaction]) => {
-    if (envelopeItemHeader.type === 'transaction') {
-      const rootNode = {
-        runtime: transaction.contexts.runtime?.name,
-        op: transaction.contexts.trace.op,
-        name: transaction.transaction,
-        children: [],
-      };
-
-      const spanMap = new Map();
-      spanMap.set(transaction.contexts.trace.span_id, rootNode);
-
-      transaction.spans.forEach(span => {
-        const node = {
-          op: span.data['sentry.op'],
-          name: span.description,
-          parent_span_id: span.parent_span_id,
-          children: [],
-        };
-        spanMap.set(span.span_id, node);
-      });
+      const transactionNodes = [];
 
-      transaction.spans.forEach(span => {
-        const node = spanMap.get(span.span_id);
-        if (node && node.parent_span_id) {
-          const parentNode = spanMap.get(node.parent_span_id);
-          parentNode.children.push(node);
+      fileContents.split('\n').forEach(serializedEnvelope => {
+        let envelope;
+        try {
+          envelope = JSON.parse(serializedEnvelope);
+        } catch (e) {
+          return;
+          // noop
         }
-      });
 
-      transactionNodes.push(rootNode);
-    }
-  });
-});
-
-const output = transactionNodes
-  .sort((a, b) => {
-    const aSerialized = serializeNode(a);
-    const bSerialized = serializeNode(b);
-    if (aSerialized < bSerialized) {
-      return -1;
-    } else if (aSerialized > bSerialized) {
-      return 1;
-    } else {
-      return 0;
-    }
-  })
-  .map(node => buildDeterministicStringFromNode(node))
-  .join('\n\n-----------------------\n\n');
+        const envelopeItems = envelope[1];
+
+        envelopeItems.forEach(([envelopeItemHeader, transaction]) => {
+          if (envelopeItemHeader.type === 'transaction') {
+            const rootNode = {
+              runtime: transaction.contexts.runtime?.name,
+              op: transaction.contexts.trace.op,
+              name: transaction.transaction,
+              children: [],
+            };
+
+            const spanMap = new Map();
+            spanMap.set(transaction.contexts.trace.span_id, rootNode);
+
+            transaction.spans.forEach(span => {
+              const node = {
+                op: span.data['sentry.op'],
+                name: span.description,
+                parent_span_id: span.parent_span_id,
+                children: [],
+              };
+              spanMap.set(span.span_id, node);
+            });
+
+            transaction.spans.forEach(span => {
+              const node = spanMap.get(span.span_id);
+              if (node && node.parent_span_id) {
+                const parentNode = spanMap.get(node.parent_span_id);
+                parentNode.children.push(node);
+              }
+            });
+
+            transactionNodes.push(rootNode);
+          }
+        });
+      });
 
-fs.writeFileSync(resolvedOutputPath, output, 'utf-8');
+      const output = transactionNodes
+        .sort((a, b) => {
+          const aSerialized = serializeNode(a);
+          const bSerialized = serializeNode(b);
+          if (aSerialized < bSerialized) {
+            return -1;
+          } else if (aSerialized > bSerialized) {
+            return 1;
+          } else {
+            return 0;
+          }
+        })
+        .map(node => buildDeterministicStringFromNode(node))
+        .join('\n\n-----------------------\n\n');
+
+      fs.writeFileSync(
+        path.join(path.dirname(dumpPath), `normalized-transactions-${path.basename(dumpPath, '.dump')}.txt`),
+        output,
+        'utf-8',
+      );
+    });
+  },
+);
 
 // ------- utility fns ----------