diff --git a/bower.json b/bower.json
index c09bfe9ca..70948ac92 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.6.322",
+  "version": "1.6.324",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index 580a9a633..4aea4bc23 100644
--- a/build/pdf.combined.js
+++ b/build/pdf.combined.js
@@ -23,8 +23,8 @@
  }
 }(this, function (exports) {
  'use strict';
- var pdfjsVersion = '1.6.322';
- var pdfjsBuild = '043cea2';
+ var pdfjsVersion = '1.6.324';
+ var pdfjsBuild = 'f6a8d9c';
  var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
  var pdfjsLibs = {};
  (function pdfjsWrapper() {
diff --git a/build/pdf.js b/build/pdf.js
index 03cc8144a..a6f5ae398 100644
--- a/build/pdf.js
+++ b/build/pdf.js
@@ -23,8 +23,8 @@
  }
 }(this, function (exports) {
  'use strict';
- var pdfjsVersion = '1.6.322';
- var pdfjsBuild = '043cea2';
+ var pdfjsVersion = '1.6.324';
+ var pdfjsBuild = 'f6a8d9c';
  var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
  var pdfjsLibs = {};
  (function pdfjsWrapper() {
diff --git a/build/pdf.worker.js b/build/pdf.worker.js
index 17f559f78..709b00027 100644
--- a/build/pdf.worker.js
+++ b/build/pdf.worker.js
@@ -23,8 +23,8 @@
  }
 }(this, function (exports) {
  'use strict';
- var pdfjsVersion = '1.6.322';
- var pdfjsBuild = '043cea2';
+ var pdfjsVersion = '1.6.324';
+ var pdfjsBuild = 'f6a8d9c';
  var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
  var pdfjsLibs = {};
  (function pdfjsWrapper() {
diff --git a/package.json b/package.json
index b68254b8f..41f376b32 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.6.322",
+  "version": "1.6.324",
   "main": "build/pdf.js",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
diff --git a/web/pdf_viewer.js b/web/pdf_viewer.js
index e3543d8c3..24a824bf4 100644
--- a/web/pdf_viewer.js
+++ b/web/pdf_viewer.js
@@ -195,6 +195,8 @@
    var CSS_UNITS = 96.0 / 72.0;
    var DEFAULT_SCALE_VALUE = 'auto';
    var DEFAULT_SCALE = 1.0;
+   var MIN_SCALE = 0.25;
+   var MAX_SCALE = 10.0;
    var UNKNOWN_SCALE = 0;
    var MAX_AUTO_SCALE = 1.25;
    var SCROLLBAR_PADDING = 40;
@@ -451,6 +453,22 @@
     }
     return delta;
    }
+   var animationStarted = new Promise(function (resolve) {
+    window.requestAnimationFrame(resolve);
+   });
+   var localized = new Promise(function (resolve, reject) {
+    if (!mozL10n) {
+     reject(new Error('mozL10n service is not available.'));
+     return;
+    }
+    if (mozL10n.getReadyState() !== 'loading') {
+     resolve();
+     return;
+    }
+    window.addEventListener('localized', function localized(evt) {
+     resolve();
+    });
+   });
    var EventBus = function EventBusClosure() {
     function EventBus() {
      this._listeners = Object.create(null);
@@ -549,6 +567,8 @@
    exports.CSS_UNITS = CSS_UNITS;
    exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
    exports.DEFAULT_SCALE = DEFAULT_SCALE;
+   exports.MIN_SCALE = MIN_SCALE;
+   exports.MAX_SCALE = MAX_SCALE;
    exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
    exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
    exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
@@ -567,6 +587,8 @@
    exports.watchScroll = watchScroll;
    exports.binarySearchFirstItem = binarySearchFirstItem;
    exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
+   exports.animationStarted = animationStarted;
+   exports.localized = localized;
   }));
   (function (root, factory) {
    factory(root.pdfjsWebDOMEvents = {}, root.pdfjsWebUIUtils);