diff --git a/extensions/auto-move-windows/prefs.js b/extensions/auto-move-windows/prefs.js
index 13244515ae7f8a1439ad6f349699e09678aa3d98..c5504584a8c25b044cea270a426a990082851b29 100644
--- a/extensions/auto-move-windows/prefs.js
+++ b/extensions/auto-move-windows/prefs.js
@@ -29,9 +29,9 @@ class AutoMoveSettingsWidget extends Gtk.ScrolledWindow {
             margin_start: 36,
             margin_end: 36,
         });
-        this.add(box);
+        this.set_child(box);
 
-        box.add(new Gtk.Label({
+        box.append(new Gtk.Label({
             label: '<b>%s</b>'.format(_('Workspace Rules')),
             use_markup: true,
             halign: Gtk.Align.START,
@@ -40,9 +40,9 @@ class AutoMoveSettingsWidget extends Gtk.ScrolledWindow {
         this._list = new Gtk.ListBox({
             selection_mode: Gtk.SelectionMode.NONE,
             valign: Gtk.Align.START,
+            show_separators: true,
         });
-        this._list.set_header_func(this._updateHeader.bind(this));
-        box.add(this._list);
+        box.append(this._list);
 
         const context = this._list.get_style_context();
         const cssProvider = new Gtk.CssProvider();
@@ -53,7 +53,7 @@ class AutoMoveSettingsWidget extends Gtk.ScrolledWindow {
             Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
         context.add_class('frame');
 
-        this._list.add(new NewRuleRow());
+        this._list.append(new NewRuleRow());
 
         this._actionGroup = new Gio.SimpleActionGroup();
         this._list.insert_action_group('rules', this._actionGroup);
@@ -84,12 +84,10 @@ class AutoMoveSettingsWidget extends Gtk.ScrolledWindow {
         this._sync();
 
         this.connect('destroy', () => this._settings.run_dispose());
-
-        this.show_all();
     }
 
     _onAddActivated() {
-        const dialog = new NewRuleDialog(this.get_toplevel());
+        const dialog = new NewRuleDialog(this.get_root());
         dialog.connect('response', (dlg, id) => {
             const appInfo = id === Gtk.ResponseType.OK
                 ? dialog.get_widget().get_app_info() : null;
@@ -101,6 +99,7 @@ class AutoMoveSettingsWidget extends Gtk.ScrolledWindow {
             }
             dialog.destroy();
         });
+        dialog.show();
     }
 
     _onRemoveActivated(action, param) {
@@ -113,7 +112,7 @@ class AutoMoveSettingsWidget extends Gtk.ScrolledWindow {
     }
 
     _getRuleRows() {
-        return this._list.get_children().filter(row => !!row.id);
+        return [...this._list].filter(row => !!row.id);
     }
 
     _sync() {
@@ -139,17 +138,11 @@ class AutoMoveSettingsWidget extends Gtk.ScrolledWindow {
 
         const removed = oldRules.filter(
             ({ id }) => !newRules.find(r => r.id === id));
-        removed.forEach(r => r.destroy());
+        removed.forEach(r => this._list.remove(r));
 
         this._settings.unblock_signal_handler(this._changedId);
         this._updateAction.enabled = true;
     }
-
-    _updateHeader(row, before) {
-        if (!before || row.get_header())
-            return;
-        row.set_header(new Gtk.Separator());
-    }
 });
 
 const RuleRow = GObject.registerClass({
@@ -165,12 +158,6 @@ const RuleRow = GObject.registerClass({
     },
 }, class RuleRow extends Gtk.ListBoxRow {
     _init(appInfo, value) {
-        super._init({
-            activatable: false,
-            value,
-        });
-        this._appInfo = appInfo;
-
         const box = new Gtk.Box({
             spacing: 6,
             margin_top: 6,
@@ -179,12 +166,19 @@ const RuleRow = GObject.registerClass({
             margin_end: 6,
         });
 
+        super._init({
+            activatable: false,
+            value,
+            child: box,
+        });
+        this._appInfo = appInfo;
+
         const icon = new Gtk.Image({
             gicon: appInfo.get_icon(),
             pixel_size: 32,
         });
         icon.get_style_context().add_class('icon-dropshadow');
-        box.add(icon);
+        box.append(icon);
 
         const label = new Gtk.Label({
             label: appInfo.get_display_name(),
@@ -193,7 +187,7 @@ const RuleRow = GObject.registerClass({
             max_width_chars: 20,
             ellipsize: Pango.EllipsizeMode.END,
         });
-        box.add(label);
+        box.append(label);
 
         const spinButton = new Gtk.SpinButton({
             adjustment: new Gtk.Adjustment({
@@ -207,26 +201,17 @@ const RuleRow = GObject.registerClass({
         this.bind_property('value',
             spinButton, 'value',
             GObject.BindingFlags.SYNC_CREATE | GObject.BindingFlags.BIDIRECTIONAL);
-        box.add(spinButton);
+        box.append(spinButton);
 
         const button = new Gtk.Button({
             action_name: 'rules.remove',
             action_target: new GLib.Variant('s', this.id),
-            image: new Gtk.Image({
-                icon_name: 'edit-delete-symbolic',
-                pixel_size: 16,
-            }),
-        });
-        box.add(button);
-
-        this.add(box);
-
-        this.connect('notify::value', () => {
-            const actionGroup = this.get_action_group('rules');
-            actionGroup.activate_action('update', null);
+            icon_name: 'edit-delete-symbolic',
         });
+        box.append(button);
 
-        this.show_all();
+        this.connect('notify::value',
+            () => this.activate_action('rules.update', null));
     }
 
     get id() {
@@ -239,19 +224,17 @@ class NewRuleRow extends Gtk.ListBoxRow {
     _init() {
         super._init({
             action_name: 'rules.add',
+            child: new Gtk.Image({
+                icon_name: 'list-add-symbolic',
+                pixel_size: 16,
+                margin_top: 12,
+                margin_bottom: 12,
+                margin_start: 12,
+                margin_end: 12,
+            }),
         });
-        this.get_accessible().set_name(_('Add Rule'));
-
-        this.add(new Gtk.Image({
-            icon_name: 'list-add-symbolic',
-            pixel_size: 16,
-            margin_top: 12,
-            margin_bottom: 12,
-            margin_start: 12,
-            margin_end: 12,
-        }));
-
-        this.show_all();
+        this.update_property(
+            [Gtk.AccessibleProperty.LABEL], [_('Add Rule')]);
     }
 });
 
@@ -273,8 +256,6 @@ class NewRuleDialog extends Gtk.AppChooserDialog {
         this.get_widget().connect('application-selected',
             this._updateSensitivity.bind(this));
         this._updateSensitivity();
-
-        this.show();
     }
 
     _updateSensitivity() {
diff --git a/extensions/user-theme/prefs.js b/extensions/user-theme/prefs.js
index 241e3c98cb7981e5f4fc89118bda274cb962e83a..b9c12fa01c06759f90198ea0bbbf036d3a01288c 100644
--- a/extensions/user-theme/prefs.js
+++ b/extensions/user-theme/prefs.js
@@ -26,18 +26,21 @@ class UserThemePrefsWidget extends Gtk.ScrolledWindow {
         });
 
         const box = new Gtk.Box();
-        this.add(box);
+        this.set_child(box);
 
         this._list = new Gtk.ListBox({
             selection_mode: Gtk.SelectionMode.NONE,
+            show_separators: true,
             halign: Gtk.Align.CENTER,
             valign: Gtk.Align.START,
             hexpand: true,
-            margin: 60,
+            margin_start: 60,
+            margin_end: 60,
+            margin_top: 60,
+            margin_bottom: 60,
         });
         this._list.get_style_context().add_class('frame');
-        this._list.set_header_func(this._updateHeader.bind(this));
-        box.add(this._list);
+        box.append(this._list);
 
         this._actionGroup = new Gio.SimpleActionGroup();
         this._list.insert_action_group('theme', this._actionGroup);
@@ -90,11 +93,10 @@ class UserThemePrefsWidget extends Gtk.ScrolledWindow {
     }
 
     _addTheme(name) {
-        const row = new ThemeRow(name);
+        const row = new ThemeRow(name, this._settings);
         this._rows.set(name, row);
 
-        this._list.add(row);
-        row.show_all();
+        this._list.append(row);
     }
 
     async _enumerateDir(dir) {
@@ -121,31 +123,28 @@ class UserThemePrefsWidget extends Gtk.ScrolledWindow {
 
         return fileInfos.map(info => info.get_name());
     }
-
-    _updateHeader(row, before) {
-        if (!before || row.get_header())
-            return;
-        row.set_header(new Gtk.Separator());
-    }
 });
 
 const ThemeRow = GObject.registerClass(
 class ThemeRow extends Gtk.ListBoxRow {
-    _init(name) {
-        this._name = new GLib.Variant('s', name);
-
-        super._init({
-            action_name: 'theme.name',
-            action_target: this._name,
-        });
+    _init(name, settings) {
+        this._name = name;
+        this._settings = settings;
 
         const box = new Gtk.Box({
             spacing: 12,
-            margin: 12,
+            margin_start: 12,
+            margin_end: 12,
+            margin_top: 12,
+            margin_bottom: 12,
+        });
+        super._init({
+            action_name: 'theme.name',
+            action_target: new GLib.Variant('s', name),
+            child: box,
         });
-        this.add(box);
 
-        box.add(new Gtk.Label({
+        box.append(new Gtk.Label({
             label: name || 'Default',
             hexpand: true,
             xalign: 0,
@@ -157,24 +156,21 @@ class ThemeRow extends Gtk.ListBoxRow {
             icon_name: 'emblem-ok-symbolic',
             pixel_size: 16,
         });
-        box.add(this._checkmark);
+        box.append(this._checkmark);
 
-        box.show_all();
+        const id = this._settings.connect('changed::name',
+            this._syncCheckmark.bind(this));
+        this._syncCheckmark();
 
-        const id = this.connect('parent-set', () => {
-            this.disconnect(id);
-
-            const actionGroup = this.get_action_group('theme');
-            actionGroup.connect('action-state-changed::name',
-                this._syncCheckmark.bind(this));
-            this._syncCheckmark();
+        this.connect('destroy', () => {
+            this._settings.disconnect(id);
+            this._settings = null;
         });
     }
 
     _syncCheckmark() {
-        const actionGroup = this.get_action_group('theme');
-        const state = actionGroup.get_action_state('name');
-        this._checkmark.opacity = this._name.equal(state);
+        const visible = this._name === this._settings.get_string('name');
+        this._checkmark.opacity = visible ? 1. : 0;
     }
 });
 
@@ -182,8 +178,5 @@ function init() {
 }
 
 function buildPrefsWidget() {
-    let widget = new UserThemePrefsWidget();
-    widget.show_all();
-
-    return widget;
+    return new UserThemePrefsWidget();
 }
diff --git a/extensions/window-list/prefs.js b/extensions/window-list/prefs.js
index 58ebf2a68230dce9aa795dbb2819f01065c3008c..217c22245b3a33995e82cbc8f4f04eb83c9ade21 100644
--- a/extensions/window-list/prefs.js
+++ b/extensions/window-list/prefs.js
@@ -27,7 +27,7 @@ class WindowListPrefsWidget extends Gtk.Box {
         });
 
         let groupingLabel = '<b>%s</b>'.format(_('Window Grouping'));
-        this.add(new Gtk.Label({
+        this.append(new Gtk.Label({
             label: groupingLabel, use_markup: true,
             halign: Gtk.Align.START,
         }));
@@ -37,7 +37,7 @@ class WindowListPrefsWidget extends Gtk.Box {
             spacing: 12,
             margin_bottom: 12,
         });
-        this.add(box);
+        this.append(box);
 
         const context = box.get_style_context();
         const cssProvider = new Gtk.CssProvider();
@@ -70,13 +70,13 @@ class WindowListPrefsWidget extends Gtk.Box {
                 continue;
             }
 
-            radio = new Gtk.RadioButton({
+            radio = new Gtk.CheckButton({
                 active: !i,
                 label,
                 group: radio,
                 margin_end: 12,
             });
-            box.add(radio);
+            box.append(radio);
 
             if (currentMode === mode)
                 currentRadio = radio;
@@ -94,15 +94,13 @@ class WindowListPrefsWidget extends Gtk.Box {
             label: _('Show on all monitors'),
         });
         this._settings.bind('show-on-all-monitors', check, 'active', Gio.SettingsBindFlags.DEFAULT);
-        this.add(check);
+        this.append(check);
 
         check = new Gtk.CheckButton({
             label: _('Show windows from all workspaces'),
         });
         this._settings.bind('display-all-workspaces', check, 'active', Gio.SettingsBindFlags.DEFAULT);
-        this.add(check);
-
-        this.show_all();
+        this.append(check);
     }
 });
 
diff --git a/extensions/workspace-indicator/prefs.js b/extensions/workspace-indicator/prefs.js
index 011953be4d695773422258e811bb16a3376e7dcb..d45d1e812d789ef00d926a46b8696e8a5c782b48 100644
--- a/extensions/workspace-indicator/prefs.js
+++ b/extensions/workspace-indicator/prefs.js
@@ -1,7 +1,7 @@
 // -*- mode: js2; indent-tabs-mode: nil; js2-basic-offset: 4 -*-
 /* exported init buildPrefsWidget */
 
-const { Gdk, Gio, GLib, GObject, Gtk, Pango } = imports.gi;
+const { Gio, GLib, GObject, Gtk, Pango } = imports.gi;
 
 const Gettext = imports.gettext.domain('gnome-shell-extensions');
 const _ = Gettext.gettext;
@@ -28,9 +28,9 @@ class WorkspaceSettingsWidget extends Gtk.ScrolledWindow {
             margin_start: 36,
             margin_end: 36,
         });
-        this.add(box);
+        this.set_child(box);
 
-        box.add(new Gtk.Label({
+        box.append(new Gtk.Label({
             label: '<b>%s</b>'.format(_('Workspace Names')),
             use_markup: true,
             halign: Gtk.Align.START,
@@ -39,10 +39,10 @@ class WorkspaceSettingsWidget extends Gtk.ScrolledWindow {
         this._list = new Gtk.ListBox({
             selection_mode: Gtk.SelectionMode.NONE,
             valign: Gtk.Align.START,
+            show_separators: true,
         });
-        this._list.set_header_func(this._updateHeader.bind(this));
         this._list.connect('row-activated', (l, row) => row.edit());
-        box.add(this._list);
+        box.append(this._list);
 
         const context = this._list.get_style_context();
         const cssProvider = new Gtk.CssProvider();
@@ -53,7 +53,7 @@ class WorkspaceSettingsWidget extends Gtk.ScrolledWindow {
             Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
         context.add_class('frame');
 
-        this._list.add(new NewWorkspaceRow());
+        this._list.append(new NewWorkspaceRow());
 
         this._actionGroup = new Gio.SimpleActionGroup();
         this._list.insert_action_group('workspaces', this._actionGroup);
@@ -94,12 +94,10 @@ class WorkspaceSettingsWidget extends Gtk.ScrolledWindow {
         this._settings.connect(`changed::${WORKSPACE_KEY}`,
             this._sync.bind(this));
         this._sync();
-
-        this.show_all();
     }
 
     _getWorkspaceRows() {
-        return this._list.get_children().filter(row => row.name);
+        return [...this._list].filter(row => row.name);
     }
 
     _sync() {
@@ -111,17 +109,11 @@ class WorkspaceSettingsWidget extends Gtk.ScrolledWindow {
         const removed = oldNames.filter(n => !newNames.includes(n));
         const added = newNames.filter(n => !oldNames.includes(n));
 
-        removed.forEach(n => rows.find(r => r.name === n).destroy());
+        removed.forEach(n => this._list.remove(rows.find(r => r.name === n)));
         added.forEach(n => {
             this._list.insert(new WorkspaceRow(n), newNames.indexOf(n));
         });
     }
-
-    _updateHeader(row, before) {
-        if (!before || row.get_header())
-            return;
-        row.set_header(new Gtk.Separator());
-    }
 });
 
 const WorkspaceRow = GObject.registerClass(
@@ -129,6 +121,13 @@ class WorkspaceRow extends Gtk.ListBoxRow {
     _init(name) {
         super._init({ name });
 
+        const controller = new Gtk.ShortcutController();
+        controller.add_shortcut(new Gtk.Shortcut({
+            trigger: Gtk.ShortcutTrigger.parse_string('Escape'),
+            action: Gtk.CallbackAction.new(this._stopEdit.bind(this)),
+        }));
+        this.add_controller(controller);
+
         const box = new Gtk.Box({
             spacing: 12,
             margin_top: 6,
@@ -145,18 +144,14 @@ class WorkspaceRow extends Gtk.ListBoxRow {
         });
         this.bind_property('name', label, 'label',
             GObject.BindingFlags.SYNC_CREATE);
-        box.add(label);
+        box.append(label);
 
-        const image = new Gtk.Image({
-            icon_name: 'edit-delete-symbolic',
-            pixel_size: 16,
-        });
         const button = new Gtk.Button({
             action_name: 'workspaces.remove',
             action_target: new GLib.Variant('s', name),
-            image,
+            icon_name: 'edit-delete-symbolic',
         });
-        box.add(button);
+        box.append(button);
 
         this._entry = new Gtk.Entry({
             max_width_chars: 25,
@@ -165,7 +160,7 @@ class WorkspaceRow extends Gtk.ListBoxRow {
         this._stack = new Gtk.Stack();
         this._stack.add_named(box, 'display');
         this._stack.add_named(this._entry, 'edit');
-        this.add(this._stack);
+        this.child = this._stack;
 
         this._entry.connect('activate', () => {
             this.name = this._entry.text;
@@ -176,17 +171,11 @@ class WorkspaceRow extends Gtk.ListBoxRow {
                 return;
             this._stopEdit();
         });
-        this._entry.connect('key-press-event',
-            this._onEntryKeyPress.bind(this));
 
         this.connect('notify::name', () => {
             button.action_target = new GLib.Variant('s', this.name);
-
-            const actionGroup = this.get_action_group('workspaces');
-            actionGroup.activate_action('update', null);
+            this.activate_action('workspaces.update', null);
         });
-
-        this.show_all();
     }
 
     edit() {
@@ -199,14 +188,6 @@ class WorkspaceRow extends Gtk.ListBoxRow {
         this.grab_focus();
         this._stack.visible_child_name = 'display';
     }
-
-    _onEntryKeyPress(entry, event) {
-        const [, keyval] = event.get_keyval();
-        if (keyval !== Gdk.KEY_Escape)
-            return Gdk.EVENT_PROPAGATE;
-        this._stopEdit();
-        return Gdk.EVENT_STOP;
-    }
 });
 
 const NewWorkspaceRow = GObject.registerClass(
@@ -214,19 +195,17 @@ class NewWorkspaceRow extends Gtk.ListBoxRow {
     _init() {
         super._init({
             action_name: 'workspaces.add',
-        });
-        this.get_accessible().set_name(_('Add Workspace'));
-
-        this.add(new Gtk.Image({
-            icon_name: 'list-add-symbolic',
-            pixel_size: 16,
-            margin_top: 12,
-            margin_bottom: 12,
-            margin_start: 12,
-            margin_end: 12,
-        }));
-
-        this.show_all();
+            child: new Gtk.Image({
+                icon_name: 'list-add-symbolic',
+                pixel_size: 16,
+                margin_top: 12,
+                margin_bottom: 12,
+                margin_start: 12,
+                margin_end: 12,
+            }),
+        });
+        this.update_property(
+            [Gtk.AccessibleProperty.LABEL], [_('Add Workspace')]);
     }
 });