Merge remote-tracking branch 'origin/AC-1014-v1' into spartans_pr_12122025

Author: glo60612

app/code/Magento/Swatches/view/base/web/js/swatch-renderer.js

@@ -443,9 +443,11 @@ define([
                     listLabel = 'aria-labelledby="' + controlLabelId + '"';
                 }
 
+                let checkIsRequiredAttrClass = 'required';
+
                 // Create new control
                 container.append(
-                    '<div class="' + classes.attributeClass + ' ' + item.code + '" ' +
+                    '<div class="' + classes.attributeClass + ' ' + item.code + ' ' + checkIsRequiredAttrClass + '" ' +
                          'data-attribute-code="' + item.code + '" ' +
                          'data-attribute-id="' + item.id + '">' +
                         label +

app/design/frontend/Magento/luma/Magento_Catalog/web/css/source/_module.less

@@ -1076,6 +1076,19 @@
     }
 }
 
+//
+//  For swatch required attribute
+//  _____________________________________________
+.page-product-configurable #product_addtocart_form {
+    .swatch-attribute.required > .swatch-attribute-label:after,
+    .swatch-attribute.required > .label:after {
+        content: '*';
+        color: #e02b27;
+        margin-left: 5px;
+        font-weight: 600;
+    }
+}
+
 /**
  * @codingStandardsIgnoreStart
  */