diff --git a/packages/froala/wiris.src.js b/packages/froala/wiris.src.js
index 53dc4e64a..3364cce37 100644
--- a/packages/froala/wiris.src.js
+++ b/packages/froala/wiris.src.js
@@ -219,6 +219,7 @@ export class FroalaIntegration extends IntegrationModel {
     const obj = super.insertFormula(focusElement, windowTarget, mathml, wirisProperties);
 
     this.editorObject.placeholder.refresh();
+    this.editorObject.undo.saveStep();
     return obj;
   }
 }
diff --git a/packages/tinymce6/webpack.config.js b/packages/tinymce6/webpack.config.js
index bdb0faf97..36fffd4cd 100644
--- a/packages/tinymce6/webpack.config.js
+++ b/packages/tinymce6/webpack.config.js
@@ -13,7 +13,6 @@ module.exports = (config, context) => {
       filename: './plugin.min.js',
       globalObject: 'this',
     },
-    devtool: "source-map",
     devServer: {
       devMiddleware: {
         writeToDisk: true,
@@ -29,7 +28,7 @@ module.exports = (config, context) => {
     // Set watch to true for dev purposes.
     watch: false,
     optimization: {
-      minimize: false,
+      minimize: true,
       minimizer: [new TerserPlugin({
         // These options prevent Terser from generating a LICENSE.txt file
         terserOptions: {