Coming from #743234: /aggregator does not use pagination
Currently per-page is hardcoded
+++ b/core/modules/aggregator/aggregator.pages.incundefined
@@ -89,30 +89,61 @@ function aggregator_page_category_form($form, $form_state, $category) {
+ ->extend('PagerDefault')
+ ->limit(20)Suppose this require a variable as variable_get('feed_default_items', 20); to make it customizable