plugin install

wp/wp-content/plugins/gravityforms/includes/settings/js/tabs.js

@@ -0,0 +1,24 @@
+window.addEventListener( 'load', function() {
+	document.querySelectorAll( '.gform-settings-tabs__navigation a' ).forEach( function( tab ) {
+		tab.addEventListener( 'click', function ( e ) {
+
+			e.preventDefault();
+
+			// Get selected tab.
+			var selectedTab = e.target.dataset.tab;
+
+			// Hide active tab.
+			document.querySelectorAll( '.gform-settings-tabs__navigation .active, .gform-settings-tabs__container.active' ).forEach( function( item ) {
+				item.classList.remove( 'active' );
+			} );
+
+			// Set selected tab to active tab input.
+			document.querySelector( 'input[name="gform_settings_tab"]' ).value = selectedTab;
+
+			// Show selected tab.
+			e.target.classList.add( 'active' );
+			document.querySelector( '.gform-settings-tabs__container[data-tab="' + selectedTab + '"]' ).classList.add( 'active' );
+
+		} );
+	} );
+} );