diff --git a/docz/docs/03-demos/02-frontend/19-bundler/03-vitejs.md b/docz/docs/03-demos/02-frontend/19-bundler/03-vitejs.md
index f1b05cf..4db5438 100644
--- a/docz/docs/03-demos/02-frontend/19-bundler/03-vitejs.md
+++ b/docz/docs/03-demos/02-frontend/19-bundler/03-vitejs.md
@@ -41,9 +41,9 @@ This demo was tested in the following environments:
 
 | ViteJS   | Date       |
 |:---------|:-----------|
-| `5.2.8`  | 2024-04-13 |
-| `4.5.3`  | 2024-04-13 |
-| `3.2.10` | 2024-04-13 |
+| `5.2.10` | 2024-04-27 |
+| `4.5.3`  | 2024-04-27 |
+| `3.2.10` | 2024-04-27 |
 
 :::
 
diff --git a/docz/docs/03-demos/02-frontend/19-bundler/11-requirejs.md b/docz/docs/03-demos/02-frontend/19-bundler/11-requirejs.md
index ac86beb..86f41b2 100644
--- a/docz/docs/03-demos/02-frontend/19-bundler/11-requirejs.md
+++ b/docz/docs/03-demos/02-frontend/19-bundler/11-requirejs.md
@@ -40,8 +40,8 @@ This demo was tested in the following environments:
 
 | RequireJS | Date       |
 |:----------|:-----------|
-| `2.3.6`   | 2024-03-01 |
-| `2.1.22`  | 2023-12-04 |
+| `2.3.6`   | 2024-04-27 |
+| `2.1.22`  | 2024-04-27 |
 
 :::
 
diff --git a/docz/docs/03-demos/02-frontend/19-bundler/21-swcpack.md b/docz/docs/03-demos/02-frontend/19-bundler/21-swcpack.md
index c8d06f1..81aa044 100644
--- a/docz/docs/03-demos/02-frontend/19-bundler/21-swcpack.md
+++ b/docz/docs/03-demos/02-frontend/19-bundler/21-swcpack.md
@@ -35,7 +35,7 @@ This demo was tested in the following environments:
 
 | Version   | Date       |
 |:----------|:-----------|
-| `1.2.246` | 2023-12-04 |
+| `1.2.246` | 2024-04-27 |
 
 :::
 
@@ -65,7 +65,7 @@ import { utils, writeFile } from 'xlsx';
 
 :::danger pass
 
-When this demo was tested against the `@swc/core@1.3.100`, `spack` crashed:
+When this demo was tested against recent versions of `@swc/core`, `spack` crashed:
 
 ```
 thread '<unnamed>' panicked at 'cannot access a scoped thread local variable without calling `set` first',
@@ -73,6 +73,8 @@ thread '<unnamed>' panicked at 'cannot access a scoped thread local variable wit
 
 **This is a bug in SWC**
 
+This bug is known to affect versions `1.3.100` and `1.4.17`.
+
 Until the bug is fixed, it is strongly recommended to use `@swc/core@1.2.246`.
 
 :::
diff --git a/docz/docs/03-demos/12-static/12-astro.md b/docz/docs/03-demos/12-static/12-astro.md
index a1f1cdd..e2de28e 100644
--- a/docz/docs/03-demos/12-static/12-astro.md
+++ b/docz/docs/03-demos/12-static/12-astro.md
@@ -50,10 +50,10 @@ npx astro telemetry disable
 
 This demo was tested in the following environments:
 
-| AstroJS | Template          | Date       |
-|:--------|:------------------|:-----------|
-| `3.6.5` |: Starlight 0.14.0 | 2024-04-14 |
-| `4.6.1` |: Starlight 0.21.5 | 2024-04-14 |
+| AstroJS | Template         | Date       |
+|:--------|:-----------------|:-----------|
+| `3.6.5` | Starlight 0.14.0 | 2024-04-14 |
+| `4.6.1` | Starlight 0.21.5 | 2024-04-14 |
 
 :::
 
diff --git a/tests/bundler-requirejs.sh b/tests/bundler-requirejs.sh
new file mode 100755
index 0000000..f70a4a5
--- /dev/null
+++ b/tests/bundler-requirejs.sh
@@ -0,0 +1,156 @@
+#!/bin/bash
+# https://docs.sheetjs.com/docs/demos/frontend/bundler/requirejs
+# requires global puppeteer and express
+
+# sudo npm i -g puppeteer express@4
+
+cd /tmp
+rm -rf sheetjs-requirejs
+mkdir sheetjs-requirejs
+cd sheetjs-requirejs
+
+curl -LO https://cdn.sheetjs.com/xlsx-0.20.2/package/dist/xlsx.full.min.js
+
+cat >SheetJSRequire.js <<EOF
+require(["xlsx"], function(XLSX) {
+  document.getElementById("xport").addEventListener("click", function() {
+    /* fetch JSON data and parse */
+    var url = "https://docs.sheetjs.com/executive.json";
+    fetch(url).then(function(res) { return res.json(); }).then(function(raw_data) {
+
+    /* filter for the Presidents */
+    var prez = raw_data.filter(function(row) { return row.terms.some(function(term) { return term.type === "prez"; }); });
+
+    /* sort by first presidential term */
+    prez.forEach(function(row) { row.start = row.terms.find(function(term) {return term.type === "prez"; }).start; });
+    prez.sort(function(l,r) { return l.start.localeCompare(r.start); });
+
+    /* flatten objects */
+    var rows = prez.map(function(row) { return {
+      name: row.name.first + " " + row.name.last,
+      birthday: row.bio.birthday
+    }; });
+
+    /* generate worksheet and workbook */
+    var worksheet = XLSX.utils.json_to_sheet(rows);
+    var workbook = XLSX.utils.book_new();
+    XLSX.utils.book_append_sheet(workbook, worksheet, "Dates");
+
+    /* fix headers */
+    XLSX.utils.sheet_add_aoa(worksheet, [["Name", "Birthday"]], { origin: "A1" });
+
+    /* calculate column width */
+    var max_width = rows.reduce(function(w, r) { return Math.max(w, r.name.length); }, 10);
+    worksheet["!cols"] = [ { wch: max_width } ];
+
+    /* create an XLSX file and try to save to Presidents.xlsx */
+    //XLSX.writeFileXLSX(workbook, "Presidents.xlsx");
+    console.log(XLSX.utils.sheet_to_csv(worksheet));
+    });
+  });
+});
+EOF
+
+cat >build.js <<EOF
+({
+  baseUrl: ".",
+  name: "SheetJSRequire",
+  paths: {
+    xlsx: "./xlsx.full.min"
+  },
+  out: "SheetJSRequire.min.js"
+});
+EOF
+
+cat >test1.js <<EOF
+const puppeteer = require('puppeteer');
+const express = require('express');
+const app = express();
+app.use(express.static('./'));
+app.listen(7262, async() => {
+	await new Promise((res,rej) => setTimeout(res, 1000));
+  const browser = await puppeteer.launch();
+  const page = await browser.newPage();
+  page.on("console", msg => console.log("PAGE LOG:", msg.text()));
+  await page.setViewport({width: 1920, height: 1080});
+  await page.goto('http://localhost:7262/', {waitUntil: 'domcontentloaded'});
+
+  /* wait for requirejs to request xlsx.full.min.js */
+  await page.waitForRequest(request => request.url().indexOf('xlsx.full.min.js') !== -1);
+	await new Promise((res,rej) => setTimeout(res, 1000));
+
+  await page.click("#xport");
+	await new Promise((res,rej) => setTimeout(res, 1000));
+  await browser.close();
+	process.exit();
+});
+EOF
+
+cat >test2.js <<EOF
+const puppeteer = require('puppeteer');
+const express = require('express');
+const app = express();
+app.use(express.static('./'));
+app.listen(7262, async() => {
+	await new Promise((res,rej) => setTimeout(res, 1000));
+  const browser = await puppeteer.launch();
+  const page = await browser.newPage();
+  page.on("console", msg => console.log("PAGE LOG:", msg.text()));
+  await page.setViewport({width: 1920, height: 1080});
+  await page.goto('http://localhost:7262/optimized.html');
+  await page.click("#xport");
+	await new Promise((res,rej) => setTimeout(res, 1000));
+  await browser.close();
+	process.exit();
+});
+EOF
+
+for n in 2.3.6 2.1.22; do
+
+echo $n Standalone
+
+cat >index.html <<EOF
+<!DOCTYPE html>
+<html lang="en">
+  <head></head>
+  <body>
+    <h1>SheetJS Presidents Demo</h1>
+    <button id="xport">Click here to export</button>
+    <script src="http://requirejs.org/docs/release/$n/comments/require.js"></script>
+    <script>
+/* Wire up RequireJS */
+require.config({
+  baseUrl: ".",
+  name: "SheetJSRequire",
+  paths: {
+    xlsx: "./xlsx.full.min"
+  }
+});
+    </script>
+    <script src="SheetJSRequire.js"></script>
+  </body>
+</html>
+EOF
+
+node test1.js
+
+echo $n Optimizer
+
+npx -p requirejs@$n r.js -o build.js
+
+cat >optimized.html <<EOF
+<!DOCTYPE html>
+<html lang="en">
+  <head></head>
+  <body>
+    <h1>SheetJS Presidents Demo</h1>
+    <button id="xport">Click here to export</button>
+    <script src="http://requirejs.org/docs/release/$n/comments/require.js"></script>
+    <script src="SheetJSRequire.min.js"></script>
+  </body>
+</html>
+EOF
+
+node test2.js
+
+done