diff --git a/vendor/magento/module-catalog/view/frontend/web/js/product/provider.js b/vendor/magento/module-catalog/view/frontend/web/js/product/provider.js
index c9f0f91..6880cce 100644
--- a/vendor/magento/module-catalog/view/frontend/web/js/product/provider.js
+++ b/vendor/magento/module-catalog/view/frontend/web/js/product/provider.js
@@ -98,17 +98,15 @@ define([
                 return;
             }
 
+            // Filter initial ids to remove "out of scope" and "outdated" data
+            this.ids(
+                this.filterIds(this.ids())
+            );
             this.initIdsListener();
             this.idsMerger(
                 this.idsStorage.get(),
                 this.prepareDataFromCustomerData(customerData.get(this.identifiersConfig.namespace)())
             );
-
-            if (!_.isEmpty(this.productStorage.data())) {
-                this.dataCollectionHandler(this.productStorage.data());
-            } else {
-                this.productStorage.setIds(this.data.currency, this.data.store, this.ids());
-            }
         },
 
         /**
@@ -176,7 +174,7 @@ define([
 
             if (!_.isEmpty(data)) {
                 this.ids(
-                    this.filterIds(_.extend(this.ids(), data))
+                    this.filterIds(_.extend(utils.copy(this.ids()), data))
                 );
             }
         },
diff --git a/vendor/magento/module-catalog/view/frontend/web/js/product/storage/data-storage.js b/vendor/magento/module-catalog/view/frontend/web/js/product/storage/data-storage.js
index 3dc9f3e..ad5976e 100644
--- a/vendor/magento/module-catalog/view/frontend/web/js/product/storage/data-storage.js
+++ b/vendor/magento/module-catalog/view/frontend/web/js/product/storage/data-storage.js
@@ -149,7 +149,7 @@ define([
             if (data.items && ids.length) {
                 //we can extend only items
                 data = data.items;
-                this.data(_.extend(data, currentData));
+                this.data(_.extend(currentData, data));
             }
         },
 
@@ -271,13 +271,9 @@ define([
                 sentDataIds = _.keys(this.request.data);
                 currentDataIds = _.keys(ids);
 
-                _.each(currentDataIds, function (id) {
-                    if (_.lastIndexOf(sentDataIds, id) === -1) {
-                        return false;
-                    }
+                return _.every(currentDataIds, function (id) {
+                    return _.lastIndexOf(sentDataIds, id) !== -1;
                 });
-
-                return true;
             }
 
             return false;