Index: src/wp-admin/css/customize-controls.css
===================================================================
--- src/wp-admin/css/customize-controls.css	(revision 38773)
+++ src/wp-admin/css/customize-controls.css	(working copy)
@@ -687,6 +687,12 @@
 
 /* Style for custom settings */
 
+#customize-control-front_page_sections {
+	border-top: 1px solid #ddd;
+	margin-top: 8px;
+	padding-top: 16px;
+}
+
 /**
  * Dropdowns
  */
@@ -1205,6 +1211,7 @@
  */
 
 /* higher specificity than .wp-core-ui .button */
+#customize-theme-controls .add-new-item,
 #customize-theme-controls .add-new-widget,
 #customize-theme-controls .add-new-menu-item {
 	cursor: pointer;
@@ -1219,6 +1226,7 @@
 	outline: none;
 }
 
+.reordering .add-new-item,
 .reordering .add-new-widget,
 .reordering .add-new-menu-item {
 	opacity: 0.2;
@@ -1226,6 +1234,7 @@
 	cursor: not-allowed; /* doesn't work in conjunction with pointer-events */
 }
 
+.add-new-item:before,
 .add-new-widget:before,
 .add-new-menu-item:before,
 #available-menu-items .new-content-item .add-content:before {
@@ -1282,6 +1291,20 @@
 	color: #00a0d2;
 }
 
+.wp-reorder-nav {
+	display: none;
+	background-color: #fff;
+	position: absolute;
+	top: 0;
+	right: 0;
+}
+
+.reordering .wp-reorder-nav,
+.wp-reorder-nav.is-active {
+	display: block;
+}
+
+.wp-reorder-nav button,
 .widget-reorder-nav span,
 .menu-item-reorder-nav button {
 	position: relative;
@@ -1296,6 +1319,7 @@
 	outline: none;
 }
 
+.wp-reorder-nav button,
 .menu-item-reorder-nav button {
 	width: 30px;
 	height: 40px;
@@ -1305,6 +1329,7 @@
 	box-shadow: none;
 }
 
+.wp-reorder-nav button:before,
 .widget-reorder-nav span:before,
 .menu-item-reorder-nav button:before {
 	display: inline-block;
@@ -1320,6 +1345,8 @@
 	-moz-osx-font-smoothing: grayscale;
 }
 
+.wp-reorder-nav button:hover,
+.wp-reorder-nav button:focus,
 .widget-reorder-nav span:hover,
 .widget-reorder-nav span:focus,
 .menu-item-reorder-nav button:hover,
@@ -1328,11 +1355,22 @@
 	background: #eee;
 }
 
+.wp-reorder-nav button {
+	width: 33px;
+	height: 38px;
+}
+
+.wp-reorder-nav button:before {
+	font: normal 20px/38px dashicons;
+}
+
+.move-item-down:before,
 .move-widget-down:before,
 .menus-move-down:before {
 	content: "\f347";
 }
 
+.move-item-up:before,
 .move-widget-up:before,
 .menus-move-up:before {
 	content: "\f343";
@@ -1343,7 +1381,9 @@
 .move-up-disabled .menus-move-up,
 .move-down-disabled .menus-move-down,
 .move-right-disabled .menus-move-right,
-.move-left-disabled .menus-move-left {
+.move-left-disabled .menus-move-left,
+.wp-item:first-child .move-item-up,
+.wp-item:last-child .move-item-down {
 	color: #d5d5d5;
 	background-color: #fff;
 	cursor: default;
@@ -1351,7 +1391,7 @@
 }
 
 /**
- * New widget and Add-menu-items modes and panels
+ * New widget, Add-menu-items, and Drawer modes and panels
  */
 
 .wp-full-overlay-main {
@@ -1359,6 +1399,8 @@
 	width: 100%;
 }
 
+.customize-control.is-drawer-open .add-new-item,
+.customize-control.is-drawer-open .add-new-item:hover,
 body.adding-widget .add-new-widget,
 body.adding-widget .add-new-widget:hover,
 .adding-menu-items .add-new-menu-item,
@@ -1372,6 +1414,7 @@
 	box-shadow: inset 0 2px 5px -3px rgba(0, 0, 0, 0.5);
 }
 
+.customize-control.is-drawer-open .add-new-item:before,
 body.adding-widget .add-new-widget:before,
 .adding-menu-items .add-new-menu-item:before,
 #accordion-section-add_menu .add-new-menu-item.open:before {
@@ -1380,6 +1423,7 @@
 	transform: rotate(45deg);
 }
 
+.customize-drawer,
 #available-widgets,
 #available-menu-items {
 	position: absolute;
@@ -1398,6 +1442,7 @@
 	border-right: 1px solid #ddd;
 }
 
+.customize-drawer .customize-section-title,
 #available-widgets .customize-section-title,
 #available-menu-items .customize-section-title {
 	display: none;
@@ -1425,6 +1470,7 @@
 }
 
 /* search field container */
+.search-group,
 #available-widgets-filter,
 #available-menu-items-search .accordion-section-title {
 	padding: 13px 15px;
@@ -1433,6 +1479,11 @@
 	box-sizing: border-box;
 }
 
+.search-group {
+	position: relative;
+}
+
+.search-group input,
 #available-widgets-filter input,
 #available-menu-items-search input {
 	width: 100%;
@@ -1441,11 +1492,13 @@
 	padding: 6px 30px;
 }
 
+.search-group input::-ms-clear,
 #available-widgets-filter input::-ms-clear,
 #available-menu-items-search input::-ms-clear {
 	display: none; /* remove the "x" in IE, which conflicts with the "x" icon on button.clear-results */
 }
 
+.search-group .search-icon,
 #available-menu-items-search .search-icon,
 #available-widgets-filter .search-icon {
 	display: block;
@@ -1459,6 +1512,7 @@
 	color: #72777c;
 }
 
+.search-group .clear-results,
 #available-widgets-filter .clear-results,
 #available-menu-items-search .clear-results {
 	position: absolute;
@@ -1475,6 +1529,7 @@
 	outline: 0;
 }
 
+.search-group .clear-results,
 #available-widgets-filter .clear-results,
 #available-menu-items-search .clear-results,
 #available-menu-items-search.loading .clear-results.is-visible {
@@ -1481,11 +1536,13 @@
 	display: none;
 }
 
+.search-group .clear-results.is-visible,
 #available-widgets-filter .clear-results.is-visible,
 #available-menu-items-search .clear-results.is-visible {
 	display: block;
 }
 
+.search-group .clear-results:before,
 #available-widgets-filter .clear-results:before,
 #available-menu-items-search .clear-results:before {
 	content: "\f335";
@@ -1495,6 +1552,8 @@
 	-moz-osx-font-smoothing: grayscale;
 }
 
+.search-group .clear-results:hover,
+.search-group .clear-results:focus,
 #available-widgets-filter .clear-results:hover,
 #available-widgets-filter .clear-results:focus,
 #available-menu-items-search .clear-results:hover,
@@ -1502,6 +1561,7 @@
 	color: #dc3232;
 }
 
+.search-group .clear-results:focus,
 #available-widgets-filter .clear-results:focus,
 #available-menu-items-search .clear-results:focus {
 	-webkit-box-shadow:
@@ -1512,6 +1572,7 @@
 		0 0 2px 1px rgba(30, 140, 190, .8);
 }
 
+.search-group .search-icon:after,
 #available-menu-items-search .search-icon:after,
 #available-widgets-filter .search-icon:after {
 	content: "\f179";
@@ -1521,6 +1582,17 @@
 	-moz-osx-font-smoothing: grayscale;
 }
 
+.search-group .spinner {
+	margin: 0;
+	position: absolute;
+	top: 20px;
+	right: 20px;
+}
+
+.search-group.is-searching .clear-results {
+	display: none;
+}
+
 .no-widgets-found-message {
 	display: none;
 	margin: 0;
@@ -1558,7 +1630,199 @@
 	position: static;
 }
 
+.customize-drawer.is-open {
+	left: 0;
+	visibility: visible;
+}
 
+body.drawer-is-open .wp-full-overlay-main {
+	left: 300px;
+}
+
+body.drawer-is-open #customize-preview {
+	opacity: 0.4;
+}
+
+.ios .customize-drawer {
+	-webkit-transition: left 0s;
+	transition: left 0s;
+}
+
+.customize-drawer-notice {
+	padding: 15px;
+}
+
+/* Sortable list items. */
+
+.wp-items-list {
+	list-style: none;
+	margin: 0 0 10px 0;
+	padding: 0;
+	position: relative;
+}
+
+.wp-item {
+	background: #fff;
+	margin: -1px 0 0 0;
+	padding: 0;
+}
+
+.wp-item-header {
+	border: 1px solid #dfdfdf;
+	background: #fff;
+	position: relative;
+}
+
+.wp-item-delete {
+	color: #a00;
+	display: none;
+	height: 38px;
+	position: absolute;
+	top: 0;
+	right: 0;
+	text-align: center;
+	vertical-align: middle;
+	width: 40px;
+}
+
+.wp-item-delete:hover {
+	color: #f00;
+}
+
+.wp-item-delete:before {
+	content: "\f335";
+}
+
+.wp-item-title {
+	cursor: move;
+	margin: 0;
+	padding: 10px 20px;
+	position: relative;
+	word-wrap: break-word;
+}
+
+.wp-item-title:before {
+	content: "";
+	float: right;
+	height: 28px;
+	width: 46px;
+}
+
+.wp-item.ui-sortable-helper {
+	background: #f9f9f9;
+	border: 1px solid #dfdfdf;
+}
+
+.wp-item.ui-sortable-placeholder {
+	background: transparent;
+	border: 1px dashed #a0a5aa;
+	margin-top: 0;
+	margin-bottom: 1px;
+}
+
+.wp-item:hover .wp-item-header {
+	border-color: #999;
+	z-index: 1;
+}
+
+.customize-control.is-drawer-open .wp-item-delete {
+	display: block;
+}
+
+.customize-control.is-drawer-open .wp-reorder-nav {
+	display: none;
+}
+
+/* Search results. */
+
+.search-results {
+	padding: 1px 0 15px;
+}
+
+.search-results ul {
+	margin: -1px 0 0;
+}
+
+.search-results-item {
+	background: #fff;
+	border-color: #ddd;
+	border-style: solid;
+	border-width: 1px 0;
+	clear: both;
+	cursor: pointer;
+	line-height: 10px;
+	margin: -1px 0 0 0;
+	padding: 10px 15px;
+	position: relative;
+}
+
+.search-results-item-title {
+	display: block;
+	font-size: 13px;
+	font-weight: 600;
+	line-height: 20px;
+	padding-left: 20px;
+	word-wrap: break-word;
+}
+
+.search-results-item-type {
+	color: #666;
+	float: right;
+	font-size: 12px;
+	line-height: 20px;
+	padding-left: 10px;
+	text-align: right;
+}
+
+.search-results-item-add {
+	color: #82878c;
+	height: 38px;
+	position: absolute;
+	top: 1px;
+	left: 1px;
+	width: 30px;
+}
+
+.search-results-item-add:before {
+	-webkit-border-radius: 50%;
+	border-radius: 50%;
+	content: "\f543";
+	height: 20px;
+	position: relative;
+	top: 0;
+	left: 2px;
+}
+
+.search-results-item:hover {
+	border-color: #999;
+	color: #0073aa;
+	z-index: 1;
+}
+
+.search-results-item:hover .search-results-item-add:before {
+	color: #0073aa;
+}
+
+.search-results-item.is-selected .search-results-item-add:before {
+	content: "\f147";
+}
+
+.search-results-item-add,
+.wp-item-delete {
+	cursor: pointer;
+	display: inline-block;
+	font-family: dashicons;
+	font-size: 20px;
+	-webkit-font-smoothing: antialiased;
+	font-style: normal;
+	font-weight: normal;
+	line-height: 1;
+	text-align: center;
+	text-decoration: inherit;
+	vertical-align: top;
+}
+
+
 /* Responsive */
 .customize-controls-preview-toggle {
 	display: none;
@@ -1679,6 +1943,7 @@
 		margin-top: 6px;
 	}
 
+	body.drawer-is-open .customize-drawer,
 	body.adding-widget div#available-widgets,
 	body.adding-menu-items div#available-menu-items {
 		top: 46px;
@@ -1687,6 +1952,7 @@
 		width: 100%;
 	}
 
+	.customize-drawer .customize-section-title,
 	#available-widgets .customize-section-title,
 	#available-menu-items .customize-section-title {
 		display: block;
@@ -1693,11 +1959,13 @@
 		margin: 0;
 	}
 
+	.customize-drawer .customize-section-back,
 	#available-widgets .customize-section-back,
 	#available-menu-items .customize-section-back {
 		height: 69px;
 	}
 
+	.customize-drawer .customize-section-title h3,
 	#available-widgets .customize-section-title h3,
 	#available-menu-items .customize-section-title h3 {
 		font-size: 20px;
@@ -1712,6 +1980,7 @@
 		text-overflow: ellipsis;
 	}
 
+	.customize-drawer .customize-section-title .customize-action,
 	#available-widgets .customize-section-title .customize-action,
 	#available-menu-items .customize-section-title .customize-action {
 		font-size: 13px;
Index: src/wp-admin/js/customize-post-collection.js
===================================================================
--- src/wp-admin/js/customize-post-collection.js	(revision 0)
+++ src/wp-admin/js/customize-post-collection.js	(working copy)
@@ -0,0 +1,558 @@
+(function( wp, $ ) {
+
+	if ( ! wp || ! wp.customize ) { return; }
+
+	var api = wp.customize;
+
+	api.PostCollection = api.PostCollection || {};
+
+	api.DrawerModel = Backbone.Model.extend({
+		defaults: {
+			status: 'closed'
+		},
+
+		close: function() {
+			this.set( 'status', 'closed' );
+		},
+
+		open: function() {
+			this.set( 'status', 'open' );
+		},
+
+		toggle: function() {
+			if ( 'open' === this.get( 'status' ) ) {
+				this.close();
+			} else {
+				this.open();
+			}
+		}
+	});
+
+	api.DrawerManager = Backbone.Collection.extend({
+		model: api.DrawerModel,
+
+		initialize: function() {
+			this.on( 'change:status', this.closeOtherDrawers );
+		},
+
+		closeOtherDrawers: function( model ) {
+			if ( 'open' === model.get( 'status' ) ) {
+				_.chain( this.models ).without( model ).invoke( 'close' );
+			}
+		}
+	});
+
+	api.DrawerView = wp.Backbone.View.extend({
+		tagName: 'div',
+		className: 'customize-drawer',
+
+		initialize: function( options ) {
+			this.controller = options.controller;
+			this.listenTo( this.controller, 'change:status', this.updateStatusClass );
+		},
+
+		updateStatusClass: function() {
+			if ( 'open' === this.controller.get( 'status' ) ) {
+				this.$el.addClass( 'is-open' );
+			} else {
+				this.$el.removeClass( 'is-open' );
+			}
+		}
+	});
+
+	api.PostCollection.CustomizeSectionTitleView = wp.Backbone.View.extend({
+		className: 'customize-section-title',
+		template: wp.template( 'customize-section-title' ),
+
+		events: {
+			'click .customize-section-back': 'closeDrawer'
+		},
+
+		initialize: function( options ) {
+			this.control = options.control;
+		},
+
+		render: function() {
+			var data = {
+					label: this.control.params.label,
+					l10n: this.control.l10n
+				};
+
+			this.$el.html( this.template( data ) );
+
+			return this;
+		},
+
+		closeDrawer: function( e ) {
+			e.preventDefault();
+			this.control.drawer.close();
+		}
+	});
+
+	api.PostCollection.PostModel = Backbone.Model.extend({
+		defaults: {
+			title: '',
+			order: 0
+		}
+	});
+
+	api.PostCollection.PostsCollection = Backbone.Collection.extend({
+		model: api.PostCollection.PostModel,
+
+		comparator: function( post ) {
+			return parseInt( post.get( 'order' ), 10 );
+		}
+	});
+
+	api.PostCollection.ControlView = wp.Backbone.View.extend({
+		initialize: function( options ) {
+			this.control = options.control;
+			this.setting = options.setting;
+
+			this.listenTo( this.collection, 'add remove reset sort', this.updateSetting );
+			this.listenTo( this.control.drawer, 'change:status', this.maybeTriggerSearch );
+			this.listenTo( this.control.drawer, 'change:status', this.updateStatusClass );
+		},
+
+		render: function() {
+			this.views.add([
+				new api.PostCollection.ItemListView({
+					collection: this.collection,
+					control: this.control,
+					parent: this
+				}),
+				new api.PostCollection.AddNewItemButtonView({
+					control: this.control
+				})
+			]);
+
+			return this;
+		},
+
+		maybeTriggerSearch: function() {
+			if ( 'open' === this.control.drawer.get( 'status' ) && this.control.results.length < 1 ) {
+				this.control.search();
+			}
+		},
+
+		updateSetting: function() {
+			var postIds = this.collection.sort({ silent: true }).pluck( 'id' ).join( ',' );
+			this.setting.set( postIds );
+		},
+
+		updateStatusClass: function() {
+			if ( 'open' === this.control.drawer.get( 'status' ) ) {
+				this.$el.addClass( 'is-drawer-open' );
+			} else {
+				this.$el.removeClass( 'is-drawer-open' );
+			}
+		}
+	});
+
+	api.PostCollection.AddNewItemButtonView = wp.Backbone.View.extend({
+		className: 'add-new-item button button-secondary alignright',
+		tagName: 'button',
+
+		events: {
+			click: 'toggleDrawer'
+		},
+
+		initialize: function( options ) {
+			this.control = options.control;
+		},
+
+		render: function() {
+			this.$el.text( this.control.l10n.addPosts );
+			return this;
+		},
+
+		toggleDrawer: function( e ) {
+			e.preventDefault();
+			this.control.drawer.toggle();
+		}
+	});
+
+	api.PostCollection.ItemListView = wp.Backbone.View.extend({
+		className: 'wp-items-list',
+		tagName: 'ol',
+
+		initialize: function( options ) {
+			this.control = options.control;
+
+			this.listenTo( this.collection, 'add', this.addItem );
+			this.listenTo( this.collection, 'add remove', this.updateOrder );
+			this.listenTo( this.collection, 'reset', this.render );
+		},
+
+		render: function() {
+			this.$el.empty();
+			this.collection.each( this.addItem, this );
+			this.initializeSortable();
+			return this;
+		},
+
+		initializeSortable: function() {
+			this.$el.sortable({
+				axis: 'y',
+				delay: 150,
+				forceHelperSize: true,
+				forcePlaceholderSize: true,
+				opacity: 0.6,
+				start: function( e, ui ) {
+					ui.placeholder.css( 'visibility', 'visible' );
+				},
+				update: _.bind(function() {
+					this.updateOrder();
+				}, this )
+			});
+		},
+
+		addItem: function( item ) {
+			var itemView = new api.PostCollection.ItemView({
+				control: this.control,
+				model: item,
+				parent: this
+			});
+
+			this.$el.append( itemView.render().el );
+		},
+
+		moveDown: function( model ) {
+			var index = this.collection.indexOf( model ),
+				$items = this.$el.children();
+
+			if ( index < this.collection.length - 1 ) {
+				$items.eq( index ).insertAfter( $items.eq( index + 1 ) );
+				this.updateOrder();
+				wp.a11y.speak( this.control.l10n.movedDown );
+			}
+		},
+
+		moveUp: function( model ) {
+			var index = this.collection.indexOf( model ),
+				$items = this.$el.children();
+
+			if ( index > 0 ) {
+				$items.eq( index ).insertBefore( $items.eq( index - 1 ) );
+				this.updateOrder();
+				wp.a11y.speak( this.control.l10n.movedUp );
+			}
+		},
+
+		updateOrder: function() {
+			_.each( this.$el.find( 'li' ), function( item, i ) {
+				var id = $( item ).data( 'post-id' );
+				this.collection.get( id ).set( 'order', i );
+			}, this );
+
+			this.collection.sort();
+		}
+	});
+
+	api.PostCollection.ItemView = wp.Backbone.View.extend({
+		tagName: 'li',
+		className: 'wp-item',
+		template: wp.template( 'wp-item' ),
+
+		events: {
+			'click .js-remove': 'destroy',
+			'click .move-item-up': 'moveUp',
+			'click .move-item-down': 'moveDown'
+		},
+
+		initialize: function( options ) {
+			this.control = options.control;
+			this.parent = options.parent;
+			this.listenTo( this.model, 'destroy', this.remove );
+		},
+
+		render: function() {
+			var data = _.extend( this.model.toJSON(), {
+				l10n: this.control.l10n
+			});
+
+			this.$el.html( this.template( data ) );
+			this.$el.data( 'post-id', this.model.get( 'id' ) );
+
+			return this;
+		},
+
+		moveDown: function( e ) {
+			e.preventDefault();
+			this.parent.moveDown( this.model );
+		},
+
+		moveUp: function( e ) {
+			e.preventDefault();
+			this.parent.moveUp( this.model );
+		},
+
+		/**
+		 * Destroy the view's model.
+		 *
+		 * Avoid syncing to the server by triggering an event instead of
+		 * calling destroy() directly on the model.
+		 */
+		destroy: function() {
+			this.model.trigger( 'destroy', this.model );
+		},
+
+		remove: function() {
+			this.$el.remove();
+		}
+	});
+
+	api.PostCollection.DrawerNoticeView = wp.Backbone.View.extend({
+		tagName: 'div',
+		className: 'customize-drawer-notice',
+
+		initialize: function( options ) {
+			this.control = options.control;
+			this.listenTo( this.control.state, 'change:notice', this.render );
+		},
+
+		render: function() {
+			var notice = this.control.state.get( 'notice' );
+			this.$el.toggle( !! notice.length ).text( notice );
+			return this;
+		}
+	});
+
+	api.PostCollection.SearchGroupView = wp.Backbone.View.extend({
+		tagName: 'div',
+		className: 'search-group',
+		template: wp.template( 'search-group' ),
+
+		events: {
+			'click .clear-results' : 'clearResults',
+			'input input': 'search'
+		},
+
+		initialize: function( options ) {
+			this.control = options.control;
+			this.listenTo( this.collection, 'add remove reset', this.updateClearResultsVisibility );
+		},
+
+		render: function() {
+			this.$el.html( this.template({ l10n: this.control.l10n }) );
+			this.$clearResults = this.$( '.clear-results' );
+			this.$field = this.$( '.search-group-field' );
+			this.$spinner = this.$el.append( '<span class="search-group-spinner spinner" />' ).find( '.spinner' );
+			this.updateClearResultsVisibility();
+			return this;
+		},
+
+		clearResults: function() {
+			this.collection.reset();
+			this.$field.val( '' ).trigger( 'input' ).focus();
+		},
+
+		search: function() {
+			var view = this;
+
+			this.$el.addClass( 'is-searching' );
+			this.$spinner.addClass( 'is-active' );
+
+			clearTimeout( this.timeout );
+			this.timeout = setTimeout(function() {
+				view.control.search( view.$field.val() )
+					.always(function() {
+						view.$el.removeClass( 'is-searching' );
+						view.$spinner.removeClass( 'is-active' );
+					});
+			}, 300 );
+		},
+
+		updateClearResultsVisibility: function() {
+			this.$clearResults.toggleClass( 'is-visible', !! this.collection.length && '' !== this.$field.val() );
+		}
+	});
+
+	api.PostCollection.SearchResultsView = wp.Backbone.View.extend({
+		tagName: 'div',
+		className: 'search-results',
+
+		initialize: function( options ) {
+			this.control = options.control;
+			this.listenTo( this.collection, 'reset', this.render );
+		},
+
+		render: function() {
+			this.$list = this.$el.html( '<ul />' ).find( 'ul' );
+
+			if ( this.collection.length ) {
+				this.collection.each( this.addItem, this );
+			} else {
+				this.$el.empty();
+			}
+
+			return this;
+		},
+
+		addItem: function( model ) {
+			this.views.add( 'ul', new api.PostCollection.SearchResultView({
+				control: this.control,
+				model: model
+			}));
+		}
+	});
+
+	api.PostCollection.SearchResultView = wp.Backbone.View.extend({
+		tagName: 'li',
+		className: 'search-results-item',
+		template: wp.template( 'search-result' ),
+
+		events: {
+			'click': 'addSection'
+		},
+
+		initialize: function( options ) {
+			this.control = options.control;
+			this.listenTo( this.control.posts, 'add remove reset', this.updateSelectedClass );
+		},
+
+		render: function() {
+			var data = _.extend( this.model.toJSON(), {
+				l10n: this.control.l10n
+			});
+
+			this.$el.html( this.template( data ) );
+			this.updateSelectedClass();
+
+			return this;
+		},
+
+		addSection: function() {
+			this.control.posts.add( this.model );
+		},
+
+		updateSelectedClass: function() {
+			this.$el.toggleClass( 'is-selected', !! this.control.posts.findWhere({ id: this.model.get( 'id' ) }) );
+		}
+	});
+
+	api.PostCollection.PostCollectionControl = api.Control.extend({
+		ready: function() {
+			var controlView, drawerView,
+				control = this,
+				section = api.section( this.section() );
+
+			this.drawer = new api.DrawerModel();
+			api.drawerManager.add( this.drawer );
+
+			this.posts = new api.PostCollection.PostsCollection( this.params.posts );
+			this.results = new api.PostCollection.PostsCollection();
+			delete this.params.posts;
+
+			this.l10n = this.params.l10n;
+			delete this.params.l10n;
+
+			this.state = new Backbone.Model({
+				notice: ''
+			});
+
+			controlView = new api.PostCollection.ControlView({
+				el: this.container,
+				collection: this.posts,
+				control: this,
+				data: this.params,
+				setting: this.setting
+			});
+
+			controlView.render();
+
+			drawerView = new api.DrawerView({
+				controller: this.drawer
+			});
+
+			drawerView.views.set([
+				new api.PostCollection.CustomizeSectionTitleView({
+					control: this
+				}),
+				new api.PostCollection.SearchGroupView({
+					collection: this.results,
+					control: this
+				}),
+				new api.PostCollection.DrawerNoticeView({
+					control: this
+				}),
+				new api.PostCollection.SearchResultsView({
+					collection: this.results,
+					control: this
+				})
+			]);
+
+			$( '.wp-full-overlay' ).append( drawerView.render().$el );
+
+			section.expanded.bind(function( isOpen ) {
+				if ( ! isOpen ) {
+					control.drawer.close();
+				}
+			});
+		},
+
+		search: function( query ) {
+			var control = this;
+
+			return wp.ajax.post( 'customize_find_posts', {
+				s: query,
+				post_types: this.params.postTypes,
+				not_in: this.params.exclude,
+				wp_customize: 'on',
+				_ajax_nonce: this.params.searchNonce
+			}).done(function( response ) {
+				control.results.reset( response );
+				control.state.set( 'notice', '' );
+			}).fail(function( response ) {
+				control.results.reset();
+				control.state.set( 'notice', response );
+			});
+		}
+	});
+
+	/**
+	 * Extends wp.customize.controlConstructor with control constructor for
+	 * post_collection.
+	 */
+	$.extend( api.controlConstructor, {
+		post_collection: api.PostCollection.PostCollectionControl
+	});
+
+	/**
+	 * Create a global drawer manager.
+	 */
+	api.drawerManager = new api.DrawerManager();
+
+	/**
+	 * Toggle an HTML class on the body when drawers are opened or closed.
+	 */
+	$( document ).ready(function() {
+		var $body = $( document.body );
+
+		api.drawerManager.on( 'change:status', function() {
+			if ( api.drawerManager.findWhere({ status: 'open' }) ) {
+				$body.addClass( 'drawer-is-open' );
+			} else {
+				$body.removeClass( 'drawer-is-open' );
+			}
+		});
+	});
+
+	/**
+	 * Toggle the front_page_sections control based on the 'show_on_front'
+	 * setting value.
+	 */
+	api.bind( 'ready', function() {
+		api( 'show_on_front', function( setting ) {
+			api.control( 'front_page_sections', function( control ) {
+				var toggleVisibility = function( value ) {
+					control.container.toggle( 'page' === value );
+				};
+
+				toggleVisibility( setting() );
+				setting.bind( toggleVisibility );
+			});
+		});
+	});
+
+})( window.wp, jQuery );
Index: src/wp-includes/canonical.php
===================================================================
--- src/wp-includes/canonical.php	(revision 38773)
+++ src/wp-includes/canonical.php	(working copy)
@@ -655,3 +655,25 @@
 		exit;
 	}
 }
+
+/**
+ * Redirect front page section permalinks to the fragment on the front page.
+ *
+ * @since 4.7.0
+ */
+function wp_redirect_front_page_sections() {
+	$object_id = get_queried_object_id();
+
+	if (
+		! current_theme_supports( 'front-page-sections' )
+		|| is_front_page()
+		|| is_home()
+		|| ! is_singular()
+		|| ! is_front_page_section( $object_id )
+	) {
+		return;
+	}
+
+	wp_redirect( get_front_page_section_url( $object_id ) );
+	exit;
+}
Index: src/wp-includes/class-wp-customize-manager.php
===================================================================
--- src/wp-includes/class-wp-customize-manager.php	(revision 38773)
+++ src/wp-includes/class-wp-customize-manager.php	(working copy)
@@ -227,6 +227,7 @@
 		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-name-control.php' );
 		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-auto-add-control.php' );
 		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-new-menu-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-post-collection-control.php' );
 
 		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menus-panel.php' );
 
@@ -289,6 +290,7 @@
 
 		add_action( 'wp_ajax_customize_save',           array( $this, 'save' ) );
 		add_action( 'wp_ajax_customize_refresh_nonces', array( $this, 'refresh_nonces' ) );
+		add_action( 'wp_ajax_customize_find_posts',     array( $this, 'ajax_find_posts' ) );
 
 		add_action( 'customize_register',                 array( $this, 'register_controls' ) );
 		add_action( 'customize_register',                 array( $this, 'register_dynamic_settings' ), 11 ); // allow code to create settings first
@@ -1970,6 +1972,7 @@
 		$this->register_control_type( 'WP_Customize_Cropped_Image_Control' );
 		$this->register_control_type( 'WP_Customize_Site_Icon_Control' );
 		$this->register_control_type( 'WP_Customize_Theme_Control' );
+		$this->register_control_type( 'WP_Customize_Post_Collection_Control' );
 
 		/* Themes */
 
@@ -2302,6 +2305,33 @@
 			'section' => 'static_front_page',
 			'type' => 'dropdown-pages',
 		) );
+
+		if ( current_theme_supports( 'front-page-sections' ) ) {
+			$this->add_setting( 'front_page_sections', array(
+				'sanitize_callback' => array( $this, 'sanitize_id_list' ),
+			) );
+
+			$this->add_control( new WP_Customize_Post_Collection_Control( $this, 'front_page_sections', array(
+				'label'       => __( 'Front page sections' ),
+				'description' => '',
+				'section'     => 'static_front_page',
+				'settings'    => 'front_page_sections',
+				'post_types'  => get_theme_support( 'front-page-sections', 'post_types' ),
+				'exclude'     => array(
+					get_option( 'page_on_front' ),
+					get_option( 'page_for_posts' ),
+				),
+				'l10n'        => array(
+					'addPost'                => __( 'Add Section' ),
+					'addPosts'               => __( 'Add Sections' ),
+					'movedUp'                => __( 'Section moved up' ),
+					'movedDown'              => __( 'Section moved down' ),
+					'removePost'             => __( 'Remove Section' ),
+					'searchPosts'            => __( 'Search Sections' ),
+					'searchPostsPlaceholder' => __( 'Search sections&hellip;' ),
+				),
+			) ) );
+		}
 	}
 
 	/**
@@ -2381,4 +2411,67 @@
 	public function _render_custom_logo_partial() {
 		return get_custom_logo();
 	}
+
+	/**
+	 * Ajax handler for finding posts.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see wp_ajax_find_posts()
+	 */
+	public function ajax_find_posts() {
+		check_ajax_referer( 'find-posts' );
+
+		$post_types = array();
+
+		if ( ! empty( $_POST['post_types'] ) ) {
+			$post_type_names = array_map( 'sanitize_text_field', wp_unslash( $_POST['post_types'] ) );
+			foreach ( $post_type_names as $post_type ) {
+				$post_types[ $post_type ] = get_post_type_object( $post_type );
+			}
+		}
+
+		if ( empty( $post_types ) ) {
+			$post_types['post'] = get_post_type_object( 'post' );
+		}
+
+		$args = array(
+			'post_type'      => array_keys( $post_types ),
+			'post_status'    => 'publish',
+			'post__not_in'   => isset( $_POST['not_in'] ) ? wp_parse_id_list( $_POST['not_in'] ) : array(),
+			'posts_per_page' => 50,
+		);
+
+		if ( ! empty( $_POST['s'] ) ) {
+			$args['s'] = sanitize_text_field( wp_unslash( $_POST['s'] ) );
+		}
+
+		$posts = get_posts( $args );
+
+		if ( ! $posts ) {
+			wp_send_json_error( __( 'No results found.' ) );
+		}
+
+		foreach ( $posts as $post ) {
+			$data[] = array(
+				'id'    => $post->ID,
+				'title' => $post->post_title,
+				'type'  => get_post_type_object( $post->post_type )->labels->singular_name,
+			);
+		}
+
+		wp_send_json_success( $data );
+	}
+
+	/**
+	 * Sanitization callback for lists of IDs.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $value Setting value.
+	 * @return string Comma-separated list of IDs.
+	 */
+	public function sanitize_id_list( $value ) {
+		return implode( ',', array_unique( array_filter( wp_parse_id_list( $value ) ) ) );
+	}
 }
Index: src/wp-includes/class-wp-query.php
===================================================================
--- src/wp-includes/class-wp-query.php	(revision 38773)
+++ src/wp-includes/class-wp-query.php	(working copy)
@@ -974,6 +974,15 @@
 					$qv['page'] = $qv['paged'];
 					unset($qv['paged']);
 				}
+				// Add section pages, if they exist.
+				$front_page_sections = array_filter( wp_parse_id_list( get_theme_mod( 'front_page_sections' ) ) );
+				if ( $front_page_sections ) {
+					array_unshift( $front_page_sections, $qv['page_id'] );
+					unset( $qv['page_id'] );
+
+					$qv['post__in'] = $front_page_sections;
+					$qv['orderby'] = 'post__in';
+				}
 			}
 		}
 
@@ -1005,7 +1014,7 @@
 			}
 		}
 
-		if ( $qv['page_id'] ) {
+		if ( ! empty( $qv['page_id'] ) ) {
 			if  ( 'page' == get_option('show_on_front') && $qv['page_id'] == get_option('page_for_posts') ) {
 				$this->is_page = false;
 				$this->is_home = true;
Index: src/wp-includes/customize/class-wp-customize-post-collection-control.php
===================================================================
--- src/wp-includes/customize/class-wp-customize-post-collection-control.php	(revision 0)
+++ src/wp-includes/customize/class-wp-customize-post-collection-control.php	(working copy)
@@ -0,0 +1,224 @@
+<?php
+/**
+ * Customize API: WP_Customize_Post_Collection_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.7.0
+ */
+
+/**
+ * Customize Post Collection Control class.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Customize_Post_Collection_Control extends WP_Customize_Control {
+	/**
+	 * Control type.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	public $type = 'post_collection';
+
+	/**
+	 * Post types that can be added as sections..
+	 *
+	 * @since 4.7.0
+	 * @var array
+	 */
+	public $post_types = array( 'page', 'post' );
+
+	/**
+	 * Array of post IDs to exclude from search results.
+	 *
+	 * @since 4.7.0
+	 * @access public
+	 * @var array
+	 */
+	public $exclude = array();
+
+	/**
+	 * Localization strings.
+	 *
+	 * @since 4.7.0
+	 * @access public
+	 * @var array
+	 */
+	public $l10n = array();
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+	 * @param string               $id      Control ID.
+	 * @param array                $args    Optional. Arguments to override class property defaults.
+	 */
+	public function __construct( $manager, $id, $args = array() ) {
+		parent::__construct( $manager, $id, $args );
+
+		$this->l10n = wp_parse_args( $this->l10n, array(
+			'addPost'                => __( 'Add Post' ),
+			'addPosts'               => __( 'Add Posts' ),
+			'clearResults'           => __( 'Clear Results' ),
+			'moveUp'                 => __( 'Move up' ),
+			'moveDown'               => __( 'Move down' ),
+			'movedUp'                => __( 'Post moved up' ),
+			'movedDown'              => __( 'Post moved down' ),
+			'removePost'             => __( 'Remove Post' ),
+			'searchPosts'            => __( 'Search Posts' ),
+			'searchPostsPlaceholder' => __( 'Search posts&hellip;' ),
+		) );
+	}
+
+	/**
+	 * Enqueue control related scripts/styles.
+	 *
+	 * @since 4.7.0
+	 */
+	public function enqueue() {
+		wp_enqueue_style( 'customize-post-collection' );
+		wp_enqueue_script( 'customize-post-collection' );
+
+		add_action( 'customize_controls_print_footer_scripts', array( 'WP_Customize_Post_Collection_Control', 'print_templates' ) );
+	}
+
+	/**
+	 * Refresh the parameters passed to the JavaScript via JSON.
+	 *
+	 * @since 4.7.0
+	 * @uses WP_Customize_Control::to_json()
+	 */
+	public function to_json() {
+		parent::to_json();
+
+		$this->json['exclude']     = $this->exclude;
+		$this->json['l10n']        = $this->l10n;
+		$this->json['posts']       = $this->get_posts();
+		$this->json['postTypes']   = $this->post_types;
+		$this->json['searchNonce'] = wp_create_nonce( 'find-posts' );
+	}
+
+	/**
+	 * Don't render any content for this control from PHP.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see WP_Customize_Post_Collection_Control::content_template()
+	 */
+	public function render_content() {}
+
+	/**
+	 * An Underscore (JS) template for this control's content (but not its container).
+	 *
+	 * @see WP_Customize_Control::print_template()
+	 *
+	 * @since 4.7.0
+	 */
+	protected function content_template() {
+		?>
+		<label>
+			<# if ( data.label ) { #>
+				<span class="customize-control-title">{{ data.label }}</span>
+			<# } #>
+			<# if ( data.description ) { #>
+				<span class="description customize-control-description">{{{ data.description }}}</span>
+			<# } #>
+		</label>
+		<?php
+	}
+
+	/**
+	 * Print JavaScript templates in the Customizer footer.
+	 *
+	 * @since 4.7.0
+	 */
+	public static function print_templates() {
+		?>
+		<script type="text/html" id="tmpl-wp-item">
+			<div class="wp-item-header">
+				<h4 class="wp-item-title"><span>{{ data.title }}</span></h4>
+
+				<button type="button" class="wp-item-delete button-link js-remove">
+					<span class="screen-reader-text">{{ data.l10n.removePost }}</span>
+				</button>
+
+				<div class="wp-reorder-nav is-active">
+					<button class="move-item-down" tabindex="0">{{ data.l10n.moveDown }}</button>
+					<button class="move-item-up" tabindex="0">{{ data.l10n.moveUp }}</button>
+				</div>
+			</div>
+		</script>
+
+		<script type="text/html" id="tmpl-customize-section-title">
+			<button type="button" class="customize-section-back" tabindex="-1">
+				<span class="screen-reader-text"><?php _e( 'Back' ); ?></span>
+			</button>
+			<h3>
+				<span class="customize-action">
+					<?php
+					/* translators: &#9656; is the unicode right-pointing triangle, and %s is the control label in the Customizer */
+					printf( __( 'Customizing &#9656; %s' ), '{{ data.label }}' );
+					?>
+				</span>
+				{{ data.l10n.addPosts }}
+			</h3>
+		</script>
+
+		<script type="text/html" id="tmpl-search-group">
+			<label class="screen-reader-text" for="search-group-field">{{ data.l10n.searchPosts }}</label>
+			<input type="text" id="search-group-field" placeholder="{{{ data.l10n.searchPostsPlaceholder }}}" class="search-group-field">
+			<div class="search-icon" aria-hidden="true"></div>
+			<button type="button" class="clear-results"><span class="screen-reader-text">{{ data.l10n.clearResults }}</span></button>
+		</script>
+
+		<script type="text/html" id="tmpl-search-result">
+			<span class="search-results-item-type">{{ data.type }}</span>
+			<span class="search-results-item-title">{{ data.title }}</span>
+
+			<button type="button" class="search-results-item-add button-link">
+				<span class="screen-reader-text">{{ data.l10n.addPost }}</span>
+			</button>
+		</script>
+		<?php
+	}
+
+	/**
+	 * Retrieve posts.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array
+	 */
+	protected function get_posts() {
+		$data  = array();
+		$value = $this->value();
+
+		if ( ! empty( $value ) ) {
+			$posts = get_posts( array(
+				'post_type'      => $this->post_types,
+				'post_status'    => 'any',
+				'post__in'       => array_map( 'absint', explode( ',', $value ) ),
+				'orderby'        => 'post__in',
+				'posts_per_page' => 20,
+			) );
+		}
+
+		if ( ! empty( $posts ) ) {
+			$i = 0;
+			foreach ( $posts as $post ) {
+				$data[] = array(
+					'id'    => $post->ID,
+					'title' => $post->post_title,
+					'order' => ++$i,
+				);
+			}
+		}
+
+		return $data;
+	}
+}
Index: src/wp-includes/default-filters.php
===================================================================
--- src/wp-includes/default-filters.php	(revision 38773)
+++ src/wp-includes/default-filters.php	(working copy)
@@ -427,6 +427,7 @@
 
 // Canonical
 add_action( 'template_redirect', 'redirect_canonical' );
+add_action( 'template_redirect', 'wp_redirect_front_page_sections' );
 add_action( 'template_redirect', 'wp_redirect_admin_locations', 1000 );
 
 // Shortcodes
Index: src/wp-includes/link-template.php
===================================================================
--- src/wp-includes/link-template.php	(revision 38773)
+++ src/wp-includes/link-template.php	(working copy)
@@ -312,10 +312,13 @@
 function get_page_link( $post = false, $leavename = false, $sample = false ) {
 	$post = get_post( $post );
 
-	if ( 'page' == get_option( 'show_on_front' ) && $post->ID == get_option( 'page_on_front' ) )
+	if ( 'page' == get_option( 'show_on_front' ) && $post->ID == get_option( 'page_on_front' ) ) {
 		$link = home_url('/');
-	else
+	} elseif ( is_front_page_section( $post->ID ) ) {
+		$link = get_front_page_section_url( $post->ID );
+	} else {
 		$link = _get_page_link( $post, $leavename, $sample );
+	}
 
 	/**
 	 * Filters the permalink for a page.
@@ -4142,3 +4145,15 @@
 	 */
 	return apply_filters( 'parent_theme_file_path', $path, $file );
 }
+
+/**
+ * Retrieve the URL for a front page section.
+ *
+ * @since 4.7.0
+ *
+ * @param int|WP_Post $post Post ID or object.
+ * @return string
+ */
+function get_front_page_section_url( $post ) {
+	return home_url( '#post-' . get_post( $post )->ID );
+}
Index: src/wp-includes/post-template.php
===================================================================
--- src/wp-includes/post-template.php	(revision 38773)
+++ src/wp-includes/post-template.php	(working copy)
@@ -479,6 +479,11 @@
 			$classes[] = 'format-standard';
 	}
 
+	// Front page sections.
+	if ( is_front_page() && is_front_page_section( $post->ID ) ) {
+		$classes[] = 'front-page-section';
+	}
+
 	$post_password_required = post_password_required( $post->ID );
 
 	// Post requires password.
@@ -1794,3 +1799,16 @@
 	echo $rows;
 	echo "</ul>";
 }
+
+/**
+ * Whether a post is a front page section.
+ *
+ * @since 4.7.0
+ *
+ * @param int $post_id Post ID.
+ * @return bool
+ */
+function is_front_page_section( $post_id ) {
+	$section_ids = array_filter( wp_parse_id_list( get_theme_mod( 'front_page_sections' ) ) );
+	return in_array( intval( $post_id ), $section_ids, true );
+}
Index: src/wp-includes/script-loader.php
===================================================================
--- src/wp-includes/script-loader.php	(revision 38773)
+++ src/wp-includes/script-loader.php	(working copy)
@@ -476,6 +476,8 @@
 	$scripts->add( 'customize-nav-menus', "/wp-admin/js/customize-nav-menus$suffix.js", array( 'jquery', 'wp-backbone', 'customize-controls', 'accordion', 'nav-menu' ), false, 1 );
 	$scripts->add( 'customize-preview-nav-menus', "/wp-includes/js/customize-preview-nav-menus$suffix.js", array( 'jquery', 'wp-util', 'customize-preview', 'customize-selective-refresh' ), false, 1 );
 
+	$scripts->add( 'customize-post-collection', "/wp-admin/js/customize-post-collection$suffix.js", array( 'jquery', 'jquery-ui-sortable', 'jquery-ui-droppable', 'wp-backbone', 'customize-controls' ), false, 1 );
+
 	$scripts->add( 'accordion', "/wp-admin/js/accordion$suffix.js", array( 'jquery' ), false, 1 );
 
 	$scripts->add( 'shortcode', "/wp-includes/js/shortcode$suffix.js", array( 'underscore' ), false, 1 );
Index: src/wp-includes/theme.php
===================================================================
--- src/wp-includes/theme.php	(revision 38773)
+++ src/wp-includes/theme.php	(working copy)
@@ -1730,6 +1730,17 @@
 
 				return false;
 			}
+
+		case 'front-page-sections' :
+			if ( ! is_array( $args ) ) {
+				$args = array( 0 => array() );
+			}
+
+			$args[0] = wp_parse_args( $args[0], array(
+				'post_types' => array( 'page' ),
+			) );
+
+			break;
 	}
 
 	$_wp_theme_features[ $feature ] = $args;
@@ -1822,6 +1833,7 @@
 		case 'custom-logo' :
 		case 'custom-header' :
 		case 'custom-background' :
+		case 'front-page-sections' :
 			if ( isset( $_wp_theme_features[ $feature ][0][ $args[0] ] ) )
 				return $_wp_theme_features[ $feature ][0][ $args[0] ];
 			return false;
@@ -2082,7 +2094,7 @@
 		return;
 	}
 
-	require_once ABSPATH . WPINC . '/class-wp-customize-manager.php'; 
+	require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
 	$GLOBALS['wp_customize'] = new WP_Customize_Manager();
 }
 
