diff --git Gruntfile.js Gruntfile.js
index c7e7f73b2b..1172b6221c 100644
--- Gruntfile.js
+++ Gruntfile.js
@@ -687,7 +687,7 @@ module.exports = function(grunt) {
 		if ( ! this.args.length || this.args.indexOf( 'browserify' ) > -1 ) {
 			grunt.config( 'browserify.options', {
 				browserifyOptions: {
-					debug: true
+					debug: false
 				},
 				watch: true
 			} );
diff --git src/wp-includes/js/media-grid.js src/wp-includes/js/media-grid.js
index edf429e896..b6128a3755 100644
--- src/wp-includes/js/media-grid.js
+++ src/wp-includes/js/media-grid.js
@@ -50,8 +50,10 @@ media.view.DeleteSelectedPermanentlyButton = require( './views/button/delete-sel
  */
 var Router = Backbone.Router.extend({
 	routes: {
-		'upload.php?item=:slug':    'showItem',
-		'upload.php?search=:query': 'search'
+		'upload.php?item=:slug&mode=edit': 'editItem',
+		'upload.php?item=:slug':           'showItem',
+		'upload.php?search=:query':        'search',
+		'upload.php':                      'reset'
 	},
 
 	// Map routes against the page URL
@@ -59,6 +61,14 @@ var Router = Backbone.Router.extend({
 		return 'upload.php' + url;
 	},
 
+	reset: function() {
+		var frame = wp.media.frames.edit;
+
+		if ( frame ) {
+			frame.close();
+		}
+	},
+
 	// Respond to the search route by filling the search field and trigggering the input event
 	search: function( query ) {
 		jQuery( '#media-search-input' ).val( query ).trigger( 'input' );
@@ -67,21 +77,30 @@ var Router = Backbone.Router.extend({
 	// Show the modal with a specific item
 	showItem: function( query ) {
 		var media = wp.media,
-			library = media.frame.state().get('library'),
+			frame = media.frames.browse,
+			library = frame.state().get('library'),
 			item;
 
 		// Trigger the media frame to open the correct item
 		item = library.findWhere( { id: parseInt( query, 10 ) } );
+		item.set( 'skipHistory', true );
+
 		if ( item ) {
-			media.frame.trigger( 'edit:attachment', item );
+			frame.trigger( 'edit:attachment', item );
 		} else {
 			item = media.attachment( query );
-			media.frame.listenTo( item, 'change', function( model ) {
-				media.frame.stopListening( item );
-				media.frame.trigger( 'edit:attachment', model );
+			frame.listenTo( item, 'change', function( model ) {
+				frame.stopListening( item );
+				frame.trigger( 'edit:attachment', model );
 			} );
 			item.fetch();
 		}
+	},
+
+	// Show the modal in edit mode with a specific item.
+	editItem: function( query ) {
+		this.showItem( query );
+		wp.media.frames.edit.content.mode( 'edit-details' );
 	}
 });
 
@@ -107,8 +126,16 @@ var Details = wp.media.view.Attachment.Details,
 TwoColumn = Details.extend({
 	template: wp.template( 'attachment-details-two-column' ),
 
+	initialize: function() {
+		this.controller.on( 'content:activate:edit-details', _.bind( this.editAttachment, this ) );
+
+		Details.prototype.initialize.apply( this, arguments );
+	},
+
 	editAttachment: function( event ) {
-		event.preventDefault();
+		if ( event ) {
+			event.preventDefault();
+		}
 		this.controller.content.mode( 'edit-image' );
 	},
 
@@ -401,13 +428,19 @@ EditAttachments = MediaFrame.extend({
 		// Bind default title creation.
 		this.on( 'title:create:default', this.createTitle, this );
 
-		// Close the modal if the attachment is deleted.
-		this.listenTo( this.model, 'change:status destroy', this.close, this );
-
 		this.on( 'content:create:edit-metadata', this.editMetadataMode, this );
 		this.on( 'content:create:edit-image', this.editImageMode, this );
 		this.on( 'content:render:edit-image', this.editImageModeRender, this );
+		this.on( 'refresh', this.rerender, this );
 		this.on( 'close', this.detach );
+
+		this.bindModelHandlers();
+		this.listenTo( this.gridRouter, 'route:search', this.close, this );
+	},
+
+	bindModelHandlers: function() {
+		// Close the modal if the attachment is deleted.
+		this.listenTo( this.model, 'change:status destroy', this.close, this );
 	},
 
 	createModal: function() {
@@ -424,7 +457,6 @@ EditAttachments = MediaFrame.extend({
 
 			// Completely destroy the modal DOM element when closing it.
 			this.modal.on( 'close', _.bind( function() {
-				this.modal.remove();
 				$( 'body' ).off( 'keydown.media-modal' ); /* remove the keydown event */
 				// Restore the original focus item if possible
 				$( 'li.attachment[data-id="' + this.model.get( 'id' ) +'"]' ).focus();
@@ -442,7 +474,10 @@ EditAttachments = MediaFrame.extend({
 	 */
 	createStates: function() {
 		this.states.add([
-			new wp.media.controller.EditAttachmentMetadata( { model: this.model } )
+			new wp.media.controller.EditAttachmentMetadata({
+				model:   this.model,
+				library: this.library
+			})
 		]);
 	},
 
@@ -467,8 +502,8 @@ EditAttachments = MediaFrame.extend({
 			model:      this.model
 		}) );
 
-		// Update browser url when navigating media details
-		if ( this.model ) {
+		// Update browser url when navigating media details, except on load.
+		if ( this.model && ! this.model.get( 'skipHistory' ) ) {
 			this.gridRouter.navigate( this.gridRouter.baseUrl( '?item=' + this.model.id ) );
 		}
 	},
@@ -494,6 +529,9 @@ EditAttachments = MediaFrame.extend({
 			frame: this,
 			controller: editImageController
 		} );
+
+		this.gridRouter.navigate( this.gridRouter.baseUrl( '?item=' + this.model.id + '&mode=edit' ) );
+
 	},
 
 	editImageModeRender: function( view ) {
@@ -508,7 +546,13 @@ EditAttachments = MediaFrame.extend({
 	/**
 	 * Rerender the view.
 	 */
-	rerender: function() {
+	rerender: function( model ) {
+		this.stopListening( this.model );
+
+		this.model = model;
+
+		this.bindModelHandlers();
+
 		// Only rerender the `content` region.
 		if ( this.content.mode() !== 'edit-metadata' ) {
 			this.content.mode( 'edit-metadata' );
@@ -527,8 +571,7 @@ EditAttachments = MediaFrame.extend({
 			this.$( '.left' ).blur();
 			return;
 		}
-		this.model = this.library.at( this.getCurrentIndex() - 1 );
-		this.rerender();
+		this.trigger( 'refresh', this.library.at( this.getCurrentIndex() - 1 ) );
 		this.$( '.left' ).focus();
 	},
 
@@ -540,8 +583,7 @@ EditAttachments = MediaFrame.extend({
 			this.$( '.right' ).blur();
 			return;
 		}
-		this.model = this.library.at( this.getCurrentIndex() + 1 );
-		this.rerender();
+		this.trigger( 'refresh', this.library.at( this.getCurrentIndex() + 1 ) );
 		this.$( '.right' ).focus();
 	},
 
@@ -576,7 +618,9 @@ EditAttachments = MediaFrame.extend({
 	},
 
 	resetRoute: function() {
-		this.gridRouter.navigate( this.gridRouter.baseUrl( '' ) );
+		var searchTerm = this.controller.browserView.toolbar.get( 'search' ).$el.val(),
+			url = '' !== searchTerm ? '?search=' + searchTerm : '';
+		this.gridRouter.navigate( this.gridRouter.baseUrl( url ), { replace: true } );
 	}
 });
 
@@ -666,38 +710,42 @@ Manage = MediaFrame.extend({
 		this.bindRegionModeHandlers();
 		this.render();
 		this.bindSearchHandler();
+
+		wp.media.frames.browse = this;
 	},
 
 	bindSearchHandler: function() {
 		var search = this.$( '#media-search-input' ),
-			currentSearch = this.options.container.data( 'search' ),
 			searchView = this.browserView.toolbar.get( 'search' ).$el,
 			listMode = this.$( '.view-list' ),
 
-			input  = _.debounce( function (e) {
+			input  = _.throttle( function (e) {
 				var val = $( e.currentTarget ).val(),
 					url = '';
 
 				if ( val ) {
 					url += '?search=' + val;
+					this.gridRouter.navigate( this.gridRouter.baseUrl( url ), { replace: true } );
 				}
-				this.gridRouter.navigate( this.gridRouter.baseUrl( url ) );
 			}, 1000 );
 
 		// Update the URL when entering search string (at most once per second)
 		search.on( 'input', _.bind( input, this ) );
-		searchView.val( currentSearch ).trigger( 'input' );
-
-		this.gridRouter.on( 'route:search', function () {
-			var href = window.location.href;
-			if ( href.indexOf( 'mode=' ) > -1 ) {
-				href = href.replace( /mode=[^&]+/g, 'mode=list' );
-			} else {
-				href += href.indexOf( '?' ) > -1 ? '&mode=list' : '?mode=list';
-			}
-			href = href.replace( 'search=', 's=' );
-			listMode.prop( 'href', href );
-		} );
+
+		this.gridRouter
+			.on( 'route:search', function () {
+				var href = window.location.href;
+				if ( href.indexOf( 'mode=' ) > -1 ) {
+					href = href.replace( /mode=[^&]+/g, 'mode=list' );
+				} else {
+					href += href.indexOf( '?' ) > -1 ? '&mode=list' : '?mode=list';
+				}
+				href = href.replace( 'search=', 's=' );
+				listMode.prop( 'href', href );
+			})
+			.on( 'route:reset', function() {
+				searchView.val( '' ).trigger( 'input' );
+			});
 	},
 
 	/**
@@ -789,12 +837,16 @@ Manage = MediaFrame.extend({
 	 */
 	openEditAttachmentModal: function( model ) {
 		// Create a new EditAttachment frame, passing along the library and the attachment model.
-		wp.media( {
-			frame:       'edit-attachments',
-			controller:  this,
-			library:     this.state().get('library'),
-			model:       model
-		} );
+		if ( wp.media.frames.edit ) {
+			wp.media.frames.edit.open().trigger( 'refresh', model );
+		} else {
+			wp.media.frames.edit = wp.media( {
+				frame:       'edit-attachments',
+				controller:  this,
+				library:     this.state().get('library'),
+				model:       model
+			} );
+		}
 	},
 
 	/**
diff --git src/wp-includes/js/media/routers/manage.js src/wp-includes/js/media/routers/manage.js
index 73959699b1..4b88aa3e01 100644
--- src/wp-includes/js/media/routers/manage.js
+++ src/wp-includes/js/media/routers/manage.js
@@ -8,8 +8,10 @@
  */
 var Router = Backbone.Router.extend({
 	routes: {
-		'upload.php?item=:slug':    'showItem',
-		'upload.php?search=:query': 'search'
+		'upload.php?item=:slug&mode=edit': 'editItem',
+		'upload.php?item=:slug':           'showItem',
+		'upload.php?search=:query':        'search',
+		'upload.php':                      'reset'
 	},
 
 	// Map routes against the page URL
@@ -17,6 +19,14 @@ var Router = Backbone.Router.extend({
 		return 'upload.php' + url;
 	},
 
+	reset: function() {
+		var frame = wp.media.frames.edit;
+
+		if ( frame ) {
+			frame.close();
+		}
+	},
+
 	// Respond to the search route by filling the search field and trigggering the input event
 	search: function( query ) {
 		jQuery( '#media-search-input' ).val( query ).trigger( 'input' );
@@ -25,21 +35,30 @@ var Router = Backbone.Router.extend({
 	// Show the modal with a specific item
 	showItem: function( query ) {
 		var media = wp.media,
-			library = media.frame.state().get('library'),
+			frame = media.frames.browse,
+			library = frame.state().get('library'),
 			item;
 
 		// Trigger the media frame to open the correct item
 		item = library.findWhere( { id: parseInt( query, 10 ) } );
+		item.set( 'skipHistory', true );
+
 		if ( item ) {
-			media.frame.trigger( 'edit:attachment', item );
+			frame.trigger( 'edit:attachment', item );
 		} else {
 			item = media.attachment( query );
-			media.frame.listenTo( item, 'change', function( model ) {
-				media.frame.stopListening( item );
-				media.frame.trigger( 'edit:attachment', model );
+			frame.listenTo( item, 'change', function( model ) {
+				frame.stopListening( item );
+				frame.trigger( 'edit:attachment', model );
 			} );
 			item.fetch();
 		}
+	},
+
+	// Show the modal in edit mode with a specific item.
+	editItem: function( query ) {
+		this.showItem( query );
+		wp.media.frames.edit.content.mode( 'edit-details' );
 	}
 });
 
diff --git src/wp-includes/js/media/views/attachment/details-two-column.js src/wp-includes/js/media/views/attachment/details-two-column.js
index 708287dd15..96a8fed8f2 100644
--- src/wp-includes/js/media/views/attachment/details-two-column.js
+++ src/wp-includes/js/media/views/attachment/details-two-column.js
@@ -17,8 +17,16 @@ var Details = wp.media.view.Attachment.Details,
 TwoColumn = Details.extend({
 	template: wp.template( 'attachment-details-two-column' ),
 
+	initialize: function() {
+		this.controller.on( 'content:activate:edit-details', _.bind( this.editAttachment, this ) );
+
+		Details.prototype.initialize.apply( this, arguments );
+	},
+
 	editAttachment: function( event ) {
-		event.preventDefault();
+		if ( event ) {
+			event.preventDefault();
+		}
 		this.controller.content.mode( 'edit-image' );
 	},
 
diff --git src/wp-includes/js/media/views/frame/edit-attachments.js src/wp-includes/js/media/views/frame/edit-attachments.js
index 3d29ff5111..c0f4e15a7b 100644
--- src/wp-includes/js/media/views/frame/edit-attachments.js
+++ src/wp-includes/js/media/views/frame/edit-attachments.js
@@ -59,13 +59,19 @@ EditAttachments = MediaFrame.extend({
 		// Bind default title creation.
 		this.on( 'title:create:default', this.createTitle, this );
 
-		// Close the modal if the attachment is deleted.
-		this.listenTo( this.model, 'change:status destroy', this.close, this );
-
 		this.on( 'content:create:edit-metadata', this.editMetadataMode, this );
 		this.on( 'content:create:edit-image', this.editImageMode, this );
 		this.on( 'content:render:edit-image', this.editImageModeRender, this );
+		this.on( 'refresh', this.rerender, this );
 		this.on( 'close', this.detach );
+
+		this.bindModelHandlers();
+		this.listenTo( this.gridRouter, 'route:search', this.close, this );
+	},
+
+	bindModelHandlers: function() {
+		// Close the modal if the attachment is deleted.
+		this.listenTo( this.model, 'change:status destroy', this.close, this );
 	},
 
 	createModal: function() {
@@ -82,7 +88,6 @@ EditAttachments = MediaFrame.extend({
 
 			// Completely destroy the modal DOM element when closing it.
 			this.modal.on( 'close', _.bind( function() {
-				this.modal.remove();
 				$( 'body' ).off( 'keydown.media-modal' ); /* remove the keydown event */
 				// Restore the original focus item if possible
 				$( 'li.attachment[data-id="' + this.model.get( 'id' ) +'"]' ).focus();
@@ -100,7 +105,10 @@ EditAttachments = MediaFrame.extend({
 	 */
 	createStates: function() {
 		this.states.add([
-			new wp.media.controller.EditAttachmentMetadata( { model: this.model } )
+			new wp.media.controller.EditAttachmentMetadata({
+				model:   this.model,
+				library: this.library
+			})
 		]);
 	},
 
@@ -125,8 +133,8 @@ EditAttachments = MediaFrame.extend({
 			model:      this.model
 		}) );
 
-		// Update browser url when navigating media details
-		if ( this.model ) {
+		// Update browser url when navigating media details, except on load.
+		if ( this.model && ! this.model.get( 'skipHistory' ) ) {
 			this.gridRouter.navigate( this.gridRouter.baseUrl( '?item=' + this.model.id ) );
 		}
 	},
@@ -152,6 +160,9 @@ EditAttachments = MediaFrame.extend({
 			frame: this,
 			controller: editImageController
 		} );
+
+		this.gridRouter.navigate( this.gridRouter.baseUrl( '?item=' + this.model.id + '&mode=edit' ) );
+
 	},
 
 	editImageModeRender: function( view ) {
@@ -166,7 +177,13 @@ EditAttachments = MediaFrame.extend({
 	/**
 	 * Rerender the view.
 	 */
-	rerender: function() {
+	rerender: function( model ) {
+		this.stopListening( this.model );
+
+		this.model = model;
+
+		this.bindModelHandlers();
+
 		// Only rerender the `content` region.
 		if ( this.content.mode() !== 'edit-metadata' ) {
 			this.content.mode( 'edit-metadata' );
@@ -185,8 +202,7 @@ EditAttachments = MediaFrame.extend({
 			this.$( '.left' ).blur();
 			return;
 		}
-		this.model = this.library.at( this.getCurrentIndex() - 1 );
-		this.rerender();
+		this.trigger( 'refresh', this.library.at( this.getCurrentIndex() - 1 ) );
 		this.$( '.left' ).focus();
 	},
 
@@ -198,8 +214,7 @@ EditAttachments = MediaFrame.extend({
 			this.$( '.right' ).blur();
 			return;
 		}
-		this.model = this.library.at( this.getCurrentIndex() + 1 );
-		this.rerender();
+		this.trigger( 'refresh', this.library.at( this.getCurrentIndex() + 1 ) );
 		this.$( '.right' ).focus();
 	},
 
@@ -234,7 +249,9 @@ EditAttachments = MediaFrame.extend({
 	},
 
 	resetRoute: function() {
-		this.gridRouter.navigate( this.gridRouter.baseUrl( '' ) );
+		var searchTerm = this.controller.browserView.toolbar.get( 'search' ).$el.val(),
+			url = '' !== searchTerm ? '?search=' + searchTerm : '';
+		this.gridRouter.navigate( this.gridRouter.baseUrl( url ), { replace: true } );
 	}
 });
 
diff --git src/wp-includes/js/media/views/frame/manage.js src/wp-includes/js/media/views/frame/manage.js
index a033d7bf28..c260feb7f6 100644
--- src/wp-includes/js/media/views/frame/manage.js
+++ src/wp-includes/js/media/views/frame/manage.js
@@ -81,38 +81,42 @@ Manage = MediaFrame.extend({
 		this.bindRegionModeHandlers();
 		this.render();
 		this.bindSearchHandler();
+
+		wp.media.frames.browse = this;
 	},
 
 	bindSearchHandler: function() {
 		var search = this.$( '#media-search-input' ),
-			currentSearch = this.options.container.data( 'search' ),
 			searchView = this.browserView.toolbar.get( 'search' ).$el,
 			listMode = this.$( '.view-list' ),
 
-			input  = _.debounce( function (e) {
+			input  = _.throttle( function (e) {
 				var val = $( e.currentTarget ).val(),
 					url = '';
 
 				if ( val ) {
 					url += '?search=' + val;
+					this.gridRouter.navigate( this.gridRouter.baseUrl( url ), { replace: true } );
 				}
-				this.gridRouter.navigate( this.gridRouter.baseUrl( url ) );
 			}, 1000 );
 
 		// Update the URL when entering search string (at most once per second)
 		search.on( 'input', _.bind( input, this ) );
-		searchView.val( currentSearch ).trigger( 'input' );
-
-		this.gridRouter.on( 'route:search', function () {
-			var href = window.location.href;
-			if ( href.indexOf( 'mode=' ) > -1 ) {
-				href = href.replace( /mode=[^&]+/g, 'mode=list' );
-			} else {
-				href += href.indexOf( '?' ) > -1 ? '&mode=list' : '?mode=list';
-			}
-			href = href.replace( 'search=', 's=' );
-			listMode.prop( 'href', href );
-		} );
+
+		this.gridRouter
+			.on( 'route:search', function () {
+				var href = window.location.href;
+				if ( href.indexOf( 'mode=' ) > -1 ) {
+					href = href.replace( /mode=[^&]+/g, 'mode=list' );
+				} else {
+					href += href.indexOf( '?' ) > -1 ? '&mode=list' : '?mode=list';
+				}
+				href = href.replace( 'search=', 's=' );
+				listMode.prop( 'href', href );
+			})
+			.on( 'route:reset', function() {
+				searchView.val( '' ).trigger( 'input' );
+			});
 	},
 
 	/**
@@ -204,12 +208,16 @@ Manage = MediaFrame.extend({
 	 */
 	openEditAttachmentModal: function( model ) {
 		// Create a new EditAttachment frame, passing along the library and the attachment model.
-		wp.media( {
-			frame:       'edit-attachments',
-			controller:  this,
-			library:     this.state().get('library'),
-			model:       model
-		} );
+		if ( wp.media.frames.edit ) {
+			wp.media.frames.edit.open().trigger( 'refresh', model );
+		} else {
+			wp.media.frames.edit = wp.media( {
+				frame:       'edit-attachments',
+				controller:  this,
+				library:     this.state().get('library'),
+				model:       model
+			} );
+		}
 	},
 
 	/**