only in patch2:
unchanged:
--- a/core/modules/options/config/schema/options.schema.yml
+++ b/core/modules/options/config/schema/options.schema.yml
@@ -155,3 +155,9 @@ views.argument.string_list_field:
 
 views.filter.list_field:
   type: views.filter.many_to_one
+
+views.filter.group_item.list_field:
+  type: views_filter_group_item
+  mapping:
+    value:
+      type: mapping
\ No newline at end of file
only in patch2:
unchanged:
--- a/core/modules/options/tests/src/Kernel/Views/OptionsListFilterTest.php
+++ b/core/modules/options/tests/src/Kernel/Views/OptionsListFilterTest.php
@@ -35,4 +35,78 @@ public function testViewsTestOptionsListFilter() {
     $this->assertIdenticalResultset($view, $resultset, $column_map);
   }
 
+  /**
+   * Tests options list field filter when grouped.
+   */
+  public function testViewsTestOptionsListGroupedFilter() {
+    $view = Views::getView('test_options_list_filter');
+
+    $filters = [
+      'field_test_list_string_value' => [
+        'id' => 'field_test_list_string_value',
+        'table' => 'field_data_field_test_list_string',
+        'field' => 'field_test_list_string_value',
+        'relationship' => 'none',
+        'group_type' => 'group',
+        'admin_label' => '',
+        'operator' => 'or',
+        'value' => [
+          'man' => 'man',
+          'woman' => 'woman',
+        ],
+        'group' => '1',
+        'exposed' => TRUE,
+        'expose' => [
+          'operator_id' => 'field_test_list_string_value_op',
+          'label' => 'list-text',
+          'description' => '',
+          'identifier' => 'field_test_list_string_value',
+        ],
+        'is_grouped' => TRUE,
+        'group_info' => [
+          'label' => 'list-text (field_list_text)',
+          'description' => '',
+          'identifier' => 'field_test_list_string_value',
+          'optional' => TRUE,
+          'widget' => 'radios',
+          'multiple' => TRUE,
+          'remember' => FALSE,
+          'default_group' => '1',
+          'group_items' => [
+            1 => [
+              'title' => 'Man',
+              'operator' => 'or',
+              'value' => [
+                'man' => 'man',
+              ]
+            ],
+            2 => [
+              'title' => 'Woman',
+              'operator' => 'or',
+              'value' => [
+                'woman' => 'woman',
+              ]
+            ],
+          ],
+        ],
+        'reduce_duplicates' => '',
+        'plugin_id' => 'list_field',
+      ]
+    ];
+    $view->setDisplay();
+    $view->displayHandlers->get('default')->overrideOption('filters', $filters);
+
+    $view->storage->save();
+
+    $this->executeView($view);
+
+    $resultset = [
+      ['nid' => $this->nodes[0]->nid->value],
+      ['nid' => $this->nodes[1]->nid->value],
+    ];
+
+    $column_map = ['nid' => 'nid'];
+    $this->assertIdenticalResultset($view, $resultset, $column_map);
+  }
+
 }