diff --git a/additions/juggler/content/FrameTree.js b/additions/juggler/content/FrameTree.js
index 255d9d0..35a5cca 100644
--- a/additions/juggler/content/FrameTree.js
+++ b/additions/juggler/content/FrameTree.js
@@ -435,6 +435,7 @@ class Frame {
       wsid: webSocketSerialID + '',
       opcode: frame.opCode,
       data: frame.opCode !== 1 ? btoa(frame.payload) : frame.payload,
+      timestamp: frame.timeStamp / 1_000_000,
     });
     this._webSocketListener = {
       QueryInterface: ChromeUtils.generateQI([Ci.nsIWebSocketEventListener, ]),
@@ -505,6 +506,7 @@ class Frame {
           wsid: webSocketSerialID + '',
           opcode: frame.opCode,
           data: frame.opCode !== 1 ? btoa(frame.payload) : frame.payload,
+          timestamp: frame.timeStamp / 1_000_000,
         });
       },
     };
diff --git a/additions/juggler/protocol/PageHandler.js b/additions/juggler/protocol/PageHandler.js
index a8d8c0c..c76c5db 100644
--- a/additions/juggler/protocol/PageHandler.js
+++ b/additions/juggler/protocol/PageHandler.js
@@ -329,7 +329,7 @@ export class PageHandler {
     return await this._contentPage.send('adoptNode', options);
   }
 
-  async ['Page.screenshot']({ mimeType, clip, omitDeviceScaleFactor, quality = 80}) {
+  async ['Page.screenshot']({ mimeType, clip, omitDeviceScaleFactor, quality }) {
     const rect = new DOMRect(clip.x, clip.y, clip.width, clip.height);
 
     const browsingContext = this._pageTarget.linkedBrowser().browsingContext;
@@ -374,7 +374,8 @@ export class PageHandler {
     ctx.drawImage(snapshot, 0, 0);
     snapshot.close();
 
-    if (mimeType === 'image/jpeg') {
+    if (mimeType === 'image/jpeg' || mimeType === 'image/webp') {
+      quality ??= mimeType === 'image/webp' ? 100 : 80;
       if (quality < 0 || quality > 100)
         throw new Error('Quality must be an integer value between 0 and 100; received ' + quality);
       quality /= 100;
diff --git a/additions/juggler/protocol/Protocol.js b/additions/juggler/protocol/Protocol.js
index 20bd611..ff26ce9 100644
--- a/additions/juggler/protocol/Protocol.js
+++ b/additions/juggler/protocol/Protocol.js
@@ -77,6 +77,8 @@ pageTypes.Size = {
 pageTypes.Viewport = {
   viewportSize: pageTypes.Size,
   deviceScaleFactor: t.Optional(t.Number),
+  screenSize: t.Optional(pageTypes.Size),
+  isMobile: t.Optional(t.Boolean),
 };
 
 pageTypes.DOMQuad = {
@@ -762,12 +764,14 @@ const Page = {
       wsid: t.String,
       opcode: t.Number,
       data: t.String,
+      timestamp: t.Number,
     },
     'webSocketFrameReceived': {
       frameId: t.String,
       wsid: t.String,
       opcode: t.Number,
       data: t.String,
+      timestamp: t.Number,
     },
     'screencastFrame': {
       data: t.String,
@@ -806,6 +810,9 @@ const Page = {
     'setViewportSize': {
       params: {
         viewportSize: t.Nullable(pageTypes.Size),
+        deviceScaleFactor: t.Optional(t.Number),
+        screenSize: t.Optional(pageTypes.Size),
+        isMobile: t.Optional(t.Boolean),
       },
     },
     'setZoom': {
@@ -895,7 +902,7 @@ const Page = {
     },
     'screenshot': {
       params: {
-        mimeType: t.Enum(['image/png', 'image/jpeg']),
+        mimeType: t.Enum(['image/png', 'image/jpeg', 'image/webp']),
         clip: pageTypes.Clip,
         quality: t.Optional(t.Number),
         omitDeviceScaleFactor: t.Optional(t.Boolean),
diff --git a/pythonlib/pyproject.toml b/pythonlib/pyproject.toml
index 1f0114e..6ed013f 100644
--- a/pythonlib/pyproject.toml
+++ b/pythonlib/pyproject.toml
@@ -33,7 +33,7 @@ rich = "*"
 requests = "*"
 orjson = "*"
 browserforge = "^1.2.4"
-playwright = "<1.61"
+playwright = "*"
 pyyaml = "*"
 platformdirs = "*"
 numpy = "*"