fix: update url with properly child sku

Author: lukaszjedrasik

CHANGELOG.md

@@ -44,6 +44,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Error with unknown theme/index.js alias - @Fifciuu (https://github.com/vuestorefront/vue-storefront/pull/5813)
 - ESLint warnings caused by the double import - @lukaszjedrasik
 - Fix Order History Pagination - @AishwaryShrivastav / @lukaszjedrasik ([#4599](https://github.com/vuestorefront/vue-storefront/issues/4599))
+- Fix for URL is updated with properly child SKU when filters are changed - @lukaszjedrasik ([#5981](https://github.com/vuestorefront/vue-storefront/issues/5981))
 
 ### Changed / Improved
 

core/modules/catalog/events.ts

@@ -53,6 +53,9 @@ export const filterChangedProduct = async (filterOption, store, router) => {
     )
     await store.dispatch('product/setCurrent', newProductConfiguration)
     EventBus.$emit('product-after-configure', { product: newProductConfiguration, configuration: configuration, selectedVariant: selectedVariant })
+    if (config.seo.useUrlDispatcher && router?.currentRoute?.query?.childSku) {
+      router.push({ 'query': { childSku: selectedVariant.sku } })
+    }
     return selectedVariant
   } else {
     store.dispatch('notification/spawnNotification', {