diff --git a/packages/pluggable-widgets-tools/CHANGELOG.md b/packages/pluggable-widgets-tools/CHANGELOG.md
index 9e1423ef..dd793631 100644
--- a/packages/pluggable-widgets-tools/CHANGELOG.md
+++ b/packages/pluggable-widgets-tools/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Fixed
+
+-   We fixed the bundling of Javascript widgets which broke in 11.6.0 after migrating to [React 17's JSX Transform](https://legacy.reactjs.org/blog/2020/09/22/introducing-the-new-jsx-transform.html#how-to-upgrade-to-the-new-jsx-transform). (Ticket 270777)
+
 ## [11.8.0] - 2026-03-06
 
 ### Added
diff --git a/packages/pluggable-widgets-tools/configs/eslint.js.base.json b/packages/pluggable-widgets-tools/configs/eslint.js.base.json
index bf2d7401..9ef91aee 100644
--- a/packages/pluggable-widgets-tools/configs/eslint.js.base.json
+++ b/packages/pluggable-widgets-tools/configs/eslint.js.base.json
@@ -7,14 +7,13 @@
     },
     "settings": {
         "react": {
-            "createClass": "createReactClass",
-            "pragma": "createElement",
             "version": "detect"
         }
     },
     "extends": [
         "eslint:recommended",
         "plugin:react/recommended",
+        "plugin:react/jsx-runtime",
         "prettier",
         "plugin:prettier/recommended",
         "plugin:react-hooks/recommended"
@@ -25,9 +24,6 @@
         "babelOptions": {
             "presets": ["@babel/preset-react"]
         },
-        "ecmaFeatures": {
-            "jsx": true
-        },
         "ecmaVersion": 2018,
         "sourceType": "module"
     },
@@ -37,8 +33,6 @@
         "react/prop-types": "off",
         "react/no-deprecated": "warn",
         "react/jsx-uses-vars": "error",
-        "react/jsx-uses-react": "off",
-        "react/react-in-jsx-scope": "off",
 
         "jest/no-disabled-tests": "warn",
         "jest/no-focused-tests": "error",
diff --git a/packages/pluggable-widgets-tools/configs/eslint.ts.base.json b/packages/pluggable-widgets-tools/configs/eslint.ts.base.json
index 660df6ff..1f0bb7ae 100644
--- a/packages/pluggable-widgets-tools/configs/eslint.ts.base.json
+++ b/packages/pluggable-widgets-tools/configs/eslint.ts.base.json
@@ -7,14 +7,13 @@
     },
     "settings": {
         "react": {
-            "createClass": "createReactClass",
-            "pragma": "createElement",
             "version": "detect"
         }
     },
     "extends": [
         "eslint:recommended",
         "plugin:react/recommended",
+        "plugin:react/jsx-runtime",
         "plugin:@typescript-eslint/recommended",
         "prettier",
         "plugin:prettier/recommended",
@@ -22,9 +21,6 @@
     ],
     "parser": "@typescript-eslint/parser",
     "parserOptions": {
-        "ecmaFeatures": {
-            "jsx": true
-        },
         "project": "tsconfig.json",
         "ecmaVersion": 2018,
         "sourceType": "module"
@@ -81,8 +77,6 @@
         "react/jsx-boolean-value": ["error", "never"],
         "react/no-deprecated": "warn",
         "react/jsx-uses-vars": "error",
-        "react/jsx-uses-react": "off",
-        "react/react-in-jsx-scope": "off",
 
         "array-callback-return": "error",
         "curly": "error",
diff --git a/packages/pluggable-widgets-tools/configs/rollup.config.mjs b/packages/pluggable-widgets-tools/configs/rollup.config.mjs
index b6201dbf..ad46da6b 100644
--- a/packages/pluggable-widgets-tools/configs/rollup.config.mjs
+++ b/packages/pluggable-widgets-tools/configs/rollup.config.mjs
@@ -247,7 +247,7 @@ export default async args => {
                     },
                     {
                         exclude: /node_modules/,
-                        plugins: [["@babel/plugin-transform-react-jsx", { pragma: "createElement" }]]
+                        plugins: [["@babel/plugin-transform-react-jsx", { runtime: "automatic" }]]
                     }
                 ]
             }),
diff --git a/packages/pluggable-widgets-tools/configs/rollup.config.native.mjs b/packages/pluggable-widgets-tools/configs/rollup.config.native.mjs
index 51c3265d..ad2be6d1 100644
--- a/packages/pluggable-widgets-tools/configs/rollup.config.native.mjs
+++ b/packages/pluggable-widgets-tools/configs/rollup.config.native.mjs
@@ -204,7 +204,7 @@ export default async args => {
                     },
                     {
                         exclude: /node_modules/,
-                        plugins: [["@babel/plugin-transform-react-jsx", { pragma: "createElement" }]]
+                        plugins: [["@babel/plugin-transform-react-jsx", { runtime: "automatic" }]]
                     }
                 ]
             }),
diff --git a/packages/pluggable-widgets-tools/package.json b/packages/pluggable-widgets-tools/package.json
index 7410d883..bbee58e0 100644
--- a/packages/pluggable-widgets-tools/package.json
+++ b/packages/pluggable-widgets-tools/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mendix/pluggable-widgets-tools",
-  "version": "11.8.0",
+  "version": "11.8.1",
   "description": "Mendix Pluggable Widgets Tools",
   "engines": {
     "node": ">=20"
diff --git a/packages/pluggable-widgets-tools/test-config/jest-svg-transformer.js b/packages/pluggable-widgets-tools/test-config/jest-svg-transformer.js
index 2076b904..48fcda8c 100644
--- a/packages/pluggable-widgets-tools/test-config/jest-svg-transformer.js
+++ b/packages/pluggable-widgets-tools/test-config/jest-svg-transformer.js
@@ -12,7 +12,7 @@ module.exports = {
             .join('');
 
         return {
-          code: `
+            code: `
 const React = require('react');
 function ${name}(props) {
   return React.createElement(
diff --git a/packages/pluggable-widgets-tools/test-config/transform.js b/packages/pluggable-widgets-tools/test-config/transform.js
index c0b4ded5..084870d2 100644
--- a/packages/pluggable-widgets-tools/test-config/transform.js
+++ b/packages/pluggable-widgets-tools/test-config/transform.js
@@ -6,6 +6,6 @@ module.exports = require("babel-jest").createTransformer({
     plugins: [
         "@babel/plugin-transform-class-properties",
         "@babel/plugin-transform-private-methods",
-        ["@babel/plugin-transform-react-jsx", { pragma: "createElement" }]
+        ["@babel/plugin-transform-react-jsx", { runtime: "automatic" }]
     ]
 });