diff --git a/index.html b/index.html
index 288497300..5f1361b0f 100644
--- a/index.html
+++ b/index.html
@@ -107,6 +107,7 @@ <h2 class='tagline'>Sample Pages</h2>
         <div>
           <img id='canhazimg' style='width: 32px; float: left;'></img>
           <p id='canhazwebxr' style='margin-left: 48px;'></p>
+          <button id='request-permissions' style='display: none; padding: 4px 8px;'>Request Permissions</button>
         </div>
         <script>
           function isMobile(global) {
@@ -115,9 +116,41 @@ <h2 class='tagline'>Sample Pages</h2>
             return check;
           };
 
+          function isiOS() {
+            return /iPhone|iPad|iPod/i.test(navigator.userAgent);
+          }
+
+          async function requestPermissions() {
+            let motionPermission = 'granted';
+
+            try {
+              if (typeof DeviceMotionEvent !== 'undefined' && typeof DeviceMotionEvent.requestPermission === 'function') {
+                motionPermission = await DeviceMotionEvent.requestPermission();
+              }
+            } catch (error) {
+              console.log("Waiting user to grant permissions");
+            }
+
+            if (motionPermission === 'granted') {
+              canhazElement.innerText = "Your granted motion permissions and should be able to use this demo on Safari for iOS"
+              canhazImg.src = "media/textures/check-button.png";
+              permsButton.style.display = "none";
+              document.querySelectorAll("article").forEach(l => l.classList.remove("warning"));
+            } else {
+              console.log("Could not get permissions");
+            }
+          }
+
+          let permsButton = document.getElementById('request-permissions');
           let canhazElement = document.getElementById('canhazwebxr');
           let canhazImg = document.getElementById('canhazimg');
-          if ('xr' in navigator) {
+          if (isMobile(window) && isiOS()) {
+            canhazElement.innerText = "Safari for iOS requires manually grant motion permissions to use WebXR"
+            canhazImg.src = "media/textures/info-button.png";
+            permsButton.style.display = "block";
+            permsButton.addEventListener('click', requestPermissions);
+            document.querySelectorAll("article").forEach(l => l.classList.add("warning"));
+          } else if ('xr' in navigator) {
             canhazElement.innerText = "Yes! Your browser supports WebXR and can run Virtual Reality and Augment Reality experiences if you have the appropriate hardware."
             canhazImg.src = "media/textures/check-button.png";
           } else if ('getVRDisplays' in navigator) {
diff --git a/js/third-party/webxr-polyfill/build/webxr-polyfill.module.js b/js/third-party/webxr-polyfill/build/webxr-polyfill.module.js
index 70d5d53b1..0d796a1aa 100644
--- a/js/third-party/webxr-polyfill/build/webxr-polyfill.module.js
+++ b/js/third-party/webxr-polyfill/build/webxr-polyfill.module.js
@@ -1379,6 +1379,7 @@ class XRInputSourceEvent extends Event {
       frame: eventInitDict.frame,
       inputSource: eventInitDict.inputSource
     };
+    Object.setPrototypeOf(this, XRInputSourceEvent.prototype);
   }
   get frame() { return this[PRIVATE$12].frame; }
   get inputSource() { return this[PRIVATE$12].inputSource; }
@@ -1391,6 +1392,7 @@ class XRSessionEvent extends Event {
     this[PRIVATE$13] = {
       session: eventInitDict.session
     };
+    Object.setPrototypeOf(this, XRSessionEvent.prototype);
   }
   get session() { return this[PRIVATE$13].session; }
 }
@@ -1404,6 +1406,7 @@ class XRInputSourcesChangeEvent extends Event {
       added: eventInitDict.added,
       removed: eventInitDict.removed
     };
+    Object.setPrototypeOf(this, XRInputSourcesChangeEvent.prototype);
   }
   get session() { return this[PRIVATE$14].session; }
   get added() { return this[PRIVATE$14].added; }
@@ -1640,7 +1643,7 @@ class XRSession$1 extends EventTarget {
     if (this[PRIVATE$15].ended) {
       return;
     }
-    if (this.immersive) {
+    if (this[PRIVATE$15].immersive) {
       this[PRIVATE$15].ended = true;
       this[PRIVATE$15].device.removeEventListener('@@webvr-polyfill/vr-present-start',
                                                  this[PRIVATE$15].onPresentationStart);
@@ -1750,6 +1753,7 @@ class XRReferenceSpaceEvent extends Event {
       referenceSpace: eventInitDict.referenceSpace,
       transform: eventInitDict.transform || null
     };
+    Object.setPrototypeOf(this, XRReferenceSpaceEvent.prototype);
   }
   get referenceSpace() { return this[PRIVATE$17].referenceSpace; }
   get transform() { return this[PRIVATE$17].transform; }
@@ -1940,6 +1944,13 @@ var isChromeWithoutDeviceMotion = function () {
     return value;
   };
 }();
+var isSafariWithoutDeviceMotion = function () {
+  var value = false;
+  value = isIOS() && isSafari() && navigator.userAgent.indexOf('13_4') !== -1;
+  return function () {
+    return value;
+  };
+}();
 var isR7 = function () {
   var isR7 = navigator.userAgent.indexOf('R7 Build') !== -1;
   return function () {
@@ -3489,8 +3500,8 @@ function CardboardViewer(params) {
 }
 DeviceInfo.Viewers = Viewers;
 var format = 1;
-var last_updated = "2018-12-10T17:01:42Z";
-var devices = [{"type":"android","rules":[{"mdmh":"asus/*/Nexus 7/*"},{"ua":"Nexus 7"}],"dpi":[320.8,323],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"asus/*/ASUS_Z00AD/*"},{"ua":"ASUS_Z00AD"}],"dpi":[403,404.6],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Google/*/Pixel 2 XL/*"},{"ua":"Pixel 2 XL"}],"dpi":537.9,"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Google/*/Pixel 3 XL/*"},{"ua":"Pixel 3 XL"}],"dpi":[558.5,553.8],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Google/*/Pixel XL/*"},{"ua":"Pixel XL"}],"dpi":[537.9,533],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Google/*/Pixel 3/*"},{"ua":"Pixel 3"}],"dpi":442.4,"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Google/*/Pixel 2/*"},{"ua":"Pixel 2"}],"dpi":441,"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"Google/*/Pixel/*"},{"ua":"Pixel"}],"dpi":[432.6,436.7],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"HTC/*/HTC6435LVW/*"},{"ua":"HTC6435LVW"}],"dpi":[449.7,443.3],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"HTC/*/HTC One XL/*"},{"ua":"HTC One XL"}],"dpi":[315.3,314.6],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"htc/*/Nexus 9/*"},{"ua":"Nexus 9"}],"dpi":289,"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"HTC/*/HTC One M9/*"},{"ua":"HTC One M9"}],"dpi":[442.5,443.3],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"HTC/*/HTC One_M8/*"},{"ua":"HTC One_M8"}],"dpi":[449.7,447.4],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"HTC/*/HTC One/*"},{"ua":"HTC One"}],"dpi":472.8,"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Huawei/*/Nexus 6P/*"},{"ua":"Nexus 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RAZR/*"},{"ua":"DROID RAZR"}],"dpi":[368.1,256.7],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"motorola/*/XT830C/*"},{"ua":"XT830C"}],"dpi":[254,255.9],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"motorola/*/XT1021/*"},{"ua":"XT1021"}],"dpi":[254,256.7],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"motorola/*/XT1023/*"},{"ua":"XT1023"}],"dpi":[254,256.7],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"motorola/*/XT1028/*"},{"ua":"XT1028"}],"dpi":[326.6,327.6],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"motorola/*/XT1034/*"},{"ua":"XT1034"}],"dpi":[326.6,328.4],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"motorola/*/XT1053/*"},{"ua":"XT1053"}],"dpi":[315.3,316.1],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"motorola/*/XT1562/*"},{"ua":"XT1562"}],"dpi":[403.4,402.7],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"motorola/*/Nexus 6/*"},{"ua":"Nexus 6 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A5000/*"},{"ua":"ONEPLUS A5000 "}],"dpi":[403.411,399.737],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"OnePlus/*/ONE A5010/*"},{"ua":"ONEPLUS A5010"}],"dpi":[403,400],"bw":2,"ac":1000},{"type":"android","rules":[{"mdmh":"OPPO/*/X909/*"},{"ua":"X909"}],"dpi":[442.4,444.1],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"samsung/*/GT-I9082/*"},{"ua":"GT-I9082"}],"dpi":[184.7,185.4],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"samsung/*/SM-G360P/*"},{"ua":"SM-G360P"}],"dpi":[196.7,205.4],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"samsung/*/Nexus S/*"},{"ua":"Nexus 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Nexus/*"},{"ua":"Galaxy Nexus"}],"dpi":[315.3,314.2],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"samsung/*/SM-N910H/*"},{"ua":"SM-N910H"}],"dpi":[515.1,518],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"samsung/*/SM-N910C/*"},{"ua":"SM-N910C"}],"dpi":[515.2,520.2],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"samsung/*/SM-G130M/*"},{"ua":"SM-G130M"}],"dpi":[165.9,164.8],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"samsung/*/SM-G928I/*"},{"ua":"SM-G928I"}],"dpi":[515.1,518.4],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"samsung/*/SM-G920F/*"},{"ua":"SM-G920F"}],"dpi":580.6,"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"samsung/*/SM-G920P/*"},{"ua":"SM-G920P"}],"dpi":[522.5,577],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"samsung/*/SM-G925F/*"},{"ua":"SM-G925F"}],"dpi":580.6,"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"samsung/*/SM-G925V/*"},{"ua":"SM-G925V"}],"dpi":[522.5,576.6],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"samsung/*/SM-G930F/*"},{"ua":"SM-G930F"}],"dpi":576.6,"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"samsung/*/SM-G935F/*"},{"ua":"SM-G935F"}],"dpi":533,"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"samsung/*/SM-G950F/*"},{"ua":"SM-G950F"}],"dpi":[562.707,565.293],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"samsung/*/SM-G955U/*"},{"ua":"SM-G955U"}],"dpi":[522.514,525.762],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"samsung/*/SM-G955F/*"},{"ua":"SM-G955F"}],"dpi":[522.514,525.762],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"Sony/*/C6903/*"},{"ua":"C6903"}],"dpi":[442.5,443.3],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"Sony/*/D6653/*"},{"ua":"D6653"}],"dpi":[428.6,427.6],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Sony/*/E6653/*"},{"ua":"E6653"}],"dpi":[428.6,425.7],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Sony/*/E6853/*"},{"ua":"E6853"}],"dpi":[403.4,401.9],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Sony/*/SGP321/*"},{"ua":"SGP321"}],"dpi":[224.7,224.1],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"TCT/*/ALCATEL 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+var last_updated = "2019-11-09T17:36:14Z";
+var devices = [{"type":"android","rules":[{"mdmh":"asus/*/Nexus 7/*"},{"ua":"Nexus 7"}],"dpi":[320.8,323],"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"asus/*/ASUS_X00PD/*"},{"ua":"ASUS_X00PD"}],"dpi":245,"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"asus/*/ASUS_X008D/*"},{"ua":"ASUS_X008D"}],"dpi":282,"bw":3,"ac":500},{"type":"android","rules":[{"mdmh":"asus/*/ASUS_Z00AD/*"},{"ua":"ASUS_Z00AD"}],"dpi":[403,404.6],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Google/*/Pixel 2 XL/*"},{"ua":"Pixel 2 XL"}],"dpi":537.9,"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Google/*/Pixel 3 XL/*"},{"ua":"Pixel 3 XL"}],"dpi":[558.5,553.8],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Google/*/Pixel XL/*"},{"ua":"Pixel XL"}],"dpi":[537.9,533],"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Google/*/Pixel 3/*"},{"ua":"Pixel 3"}],"dpi":442.4,"bw":3,"ac":1000},{"type":"android","rules":[{"mdmh":"Google/*/Pixel 2/*"},{"ua":"Pixel 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 var DPDB_CACHE = {
 	format: format,
 	last_updated: last_updated,
@@ -3733,7 +3744,7 @@ function FusionPoseSensor(kFilter, predictionTime, yawOnly, isDebug) {
   this.isIOS = isIOS();
   var chromeVersion = getChromeVersion();
   this.isDeviceMotionInRadians = !this.isIOS && chromeVersion && chromeVersion < 66;
-  this.isWithoutDeviceMotion = isChromeWithoutDeviceMotion();
+  this.isWithoutDeviceMotion = isChromeWithoutDeviceMotion() || isSafariWithoutDeviceMotion();
   this.filterToWorldQ = new Quaternion();
   if (isIOS()) {
     this.filterToWorldQ.setFromAxisAngle(new Vector3(1, 0, 0), Math.PI / 2);
@@ -4918,7 +4929,10 @@ CardboardVRDisplay.prototype.submitFrame = function (pose) {
     this.updateBounds_();
     this.distorter_.submitFrame();
   } else if (this.cardboardUI_ && this.layer_) {
-    var canvas = this.layer_.source.getContext('webgl').canvas;
+    var gl = this.layer_.source.getContext('webgl');
+    if (!gl) gl = this.layer_.source.getContext('experimental-webgl');
+    if (!gl) gl = this.layer_.source.getContext('webgl2');
+    var canvas = gl.canvas;
     if (canvas.width != this.lastWidth || canvas.height != this.lastHeight) {
       this.cardboardUI_.onResize();
     }
@@ -4937,6 +4951,8 @@ CardboardVRDisplay.prototype.onOrientationChange_ = function (e) {
 CardboardVRDisplay.prototype.onResize_ = function (e) {
   if (this.layer_) {
     var gl = this.layer_.source.getContext('webgl');
+    if (!gl) gl = this.layer_.source.getContext('experimental-webgl');
+    if (!gl) gl = this.layer_.source.getContext('webgl2');
     var cssProperties = ['position: absolute', 'top: 0', 'left: 0',
     'width: 100vw', 'height: 100vh', 'border: 0', 'margin: 0',
     'padding: 0px', 'box-sizing: content-box'];
@@ -6068,6 +6084,16 @@ class WebXRPolyfill {
         if (global.WebGL2RenderingContext){
           polyfillMakeXRCompatible(global.WebGL2RenderingContext);
         }
+        if (!window.isSecureContext) {
+          console.warn(`WebXR Polyfill Warning:
+This page is not running in a secure context (https:// or localhost)!
+This means that although the page may be able to use the WebXR Polyfill it will
+not be able to use native WebXR implementations, and as such will not be able to
+access dedicated VR or AR hardware, and will not be able to take advantage of
+any performance improvements a native WebXR implementation may offer. Please
+host this content on a secure origin for the best user experience.
+`);
+        }
       }
     }
     this.injected = true;