Ticket #48195: 48195.patch

src/wp-content/themes/twentyseventeen/style.css

@@ -3792 +3792 @@
                 background-attachment: fixed;
         }
 
+        @supports ( -webkit-touch-callout: none ) {
+                /* Image scrolls with the content in iOS Safari. */
+                .background-fixed .panel-image {
+                        background-attachment: scroll;
+                }
+        }
+
         .page-two-column .panel-content .entry-header {
                 float: left;
                 width: 36%;