diff --git a/package.json b/package.json
index db72c031..1bb6825a 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "dependencies": {},
     "devDependencies": {
         "@ibexa/eslint-config": "https://github.com/ibexa/eslint-config-ibexa.git#~v2.0.0",
+        "@ibexa/frontend-config": "https://github.com/ibexa/frontend-config#^v5.0.0-beta1",
         "@ibexa/ts-config": "https://github.com/ibexa/ts-config-ibexa#~v1.1.0",
         "@types/react": "^19.1.2",
         "@types/react-dom": "^19.1.2"
diff --git a/src/bundle/Resources/encore/ibexa.webpack.custom.config.js b/src/bundle/Resources/encore/ibexa.webpack.custom.config.js
index 098cfd2e..aa3f3665 100644
--- a/src/bundle/Resources/encore/ibexa.webpack.custom.config.js
+++ b/src/bundle/Resources/encore/ibexa.webpack.custom.config.js
@@ -1,37 +1,46 @@
-const Encore = require('@symfony/webpack-encore');
 const path = require('path');
-const ibexaConfigManager = require(path.resolve('./ibexa.webpack.config.manager.js'));
+
+const ibexaConfigManager = require('@ibexa/frontend-config/webpack-config/manager');
+
 const configManagers = require(path.resolve('./var/encore/ibexa.richtext.config.manager.js'));
 
-Encore.reset();
-Encore.setOutputPath('public/assets/richtext/build').setPublicPath('/assets/richtext/build').enableSassLoader().disableSingleRuntimeChunk();
+const getCustomConfig = (Encore) => {
+    Encore.reset();
+    Encore.setOutputPath('public/assets/richtext/build')
+        .setPublicPath('/assets/richtext/build')
+        .enableSassLoader()
+        .disableSingleRuntimeChunk();
 
-Encore.addEntry('ibexa-richtext-onlineeditor-js', [path.resolve(__dirname, '../public/js/CKEditor/core/base-ckeditor.js')]).addStyleEntry(
-    'ibexa-richtext-onlineeditor-css',
-    [
+    Encore.addEntry('ibexa-richtext-onlineeditor-js', [
+        path.resolve(__dirname, '../public/js/CKEditor/core/base-ckeditor.js'),
+    ]).addStyleEntry('ibexa-richtext-onlineeditor-css', [
         path.resolve('./public/bundles/ibexaadminuiassets/vendors/ckeditor5/dist/ckeditor5.css'),
         path.resolve(__dirname, '../public/scss/ckeditor.scss'),
-    ],
-);
+    ]);
+
+    Encore.addAliases({
+        '@ckeditor': path.resolve('./public/bundles/ibexaadminuiassets/vendors/@ckeditor'),
+        ckeditor5: path.resolve('./public/bundles/ibexaadminuiassets/vendors/ckeditor5'),
+        '@fieldtype-richtext': path.resolve('./vendor/ibexa/fieldtype-richtext'),
+        '@ibexa-admin-ui': path.resolve('./vendor/ibexa/admin-ui'),
+    });
+
+    const customConfig = Encore.getWebpackConfig();
 
-Encore.addAliases({
-    '@ckeditor': path.resolve('./public/bundles/ibexaadminuiassets/vendors/@ckeditor'),
-    ckeditor5: path.resolve('./public/bundles/ibexaadminuiassets/vendors/ckeditor5'),
-    '@fieldtype-richtext': path.resolve('./vendor/ibexa/fieldtype-richtext'),
-    '@ibexa-admin-ui': path.resolve('./vendor/ibexa/admin-ui'),
-});
+    customConfig.name = 'richtext';
 
-const customConfig = Encore.getWebpackConfig();
+    customConfig.module.rules[4].oneOf[1].use[1].options.url = false;
+    customConfig.module.rules[1].oneOf[1].use[1].options.url = false;
 
-customConfig.name = 'richtext';
+    configManagers.forEach((configManagerPath) => {
+        const configManager = require(path.resolve(configManagerPath));
 
-customConfig.module.rules[4].oneOf[1].use[1].options.url = false;
-customConfig.module.rules[1].oneOf[1].use[1].options.url = false;
+        configManager(customConfig, ibexaConfigManager);
+    });
 
-configManagers.forEach((configManagerPath) => {
-    const configManager = require(path.resolve(configManagerPath));
+    Encore.reset();
 
-    configManager(customConfig, ibexaConfigManager);
-});
+    return customConfig;
+};
 
-module.exports = customConfig;
+module.exports = getCustomConfig;
diff --git a/src/bundle/Resources/public/js/CKEditor/embed/image/embed-image-editing.js b/src/bundle/Resources/public/js/CKEditor/embed/image/embed-image-editing.js
index 34d7b16a..06027286 100644
--- a/src/bundle/Resources/public/js/CKEditor/embed/image/embed-image-editing.js
+++ b/src/bundle/Resources/public/js/CKEditor/embed/image/embed-image-editing.js
@@ -151,7 +151,7 @@ class IbexaEmbedImageEditing extends Plugin {
                     const domElement = this.toDomElement(domDocument);
 
                     // note: do not reformat - configuration value for image embeds cannot contain whitespaces
-                    // eslint-disable-next-line
+
                     domElement.innerHTML = `<span data-ezelement="ezvalue" data-ezvalue-key="size">${modelElement.getAttribute('size')}</span>`; // prettier-ignore
 
                     return domElement;