Roll protocol to r1634055

Author: devtools-bot

changelog.md

@@ -1,5 +1,21 @@
 
 
+## Roll protocol to r1634055 — _2026-05-21T05:48:46.000Z_
+######  Diff: [`357026f...c2ea733`](https://github.com/ChromeDevTools/devtools-protocol/compare/357026f...c2ea733)
+
+```diff
+@@ domains/Target.pdl:36 @@ domain Target
+       # Provides additional details for specific target types. For example, for
+       # the type of "page", this may be set to "prerender".
+       experimental optional string subtype
++      # Embedder-specific target metadata. This is only set for targets of
++      # type "tab".
++      experimental optional object embedderData
+ 
+   # A filter used by target query/discovery/auto-attach operations.
+   experimental type FilterEntry extends object
+```
+
 ## Roll protocol to r1629771 — _2026-05-13T05:38:01.000Z_
 ######  Diff: [`f223775...bbfe84d`](https://github.com/ChromeDevTools/devtools-protocol/compare/f223775...bbfe84d)
 
@@ -42906,18 +42922,4 @@ index 4754f17c..8dad9c98 100644
        MemoryLimitExceeded
        # Prerenders can be cancelled when Chrome uses excessive memory. This is
        # recorded when it fails to get the memory usage.
-```
-
-## Roll protocol to r1172767 — _2023-07-20T04:26:30.000Z_
-######  Diff: [`5ed816f...68de33a`](https://github.com/ChromeDevTools/devtools-protocol/compare/5ed816f...68de33a)
-
-```diff
-@@ browser_protocol.pdl:11247 @@ experimental domain Preload
-       PrerenderingDisabledByDevTools
-       ResourceLoadBlockedByClient
-       SpeculationRuleRemoved
-+      ActivatedWithAuxiliaryBrowsingContexts
- 
-   # Fired when a prerender attempt is completed.
-   event prerenderAttemptCompleted
 ```

json/browser_protocol.json

@@ -28752,6 +28752,13 @@
                             "experimental": true,
                             "optional": true,
                             "type": "string"
+                        },
+                        {
+                            "name": "embedderData",
+                            "description": "Embedder-specific target metadata. This is only set for targets of\ntype \"tab\".",
+                            "experimental": true,
+                            "optional": true,
+                            "type": "object"
                         }
                     ]
                 },

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "devtools-protocol",
-  "version": "0.0.1632630",
+  "version": "0.0.1634055",
   "description": "The Chrome DevTools Protocol JSON",
   "repository": "https://github.com/ChromeDevTools/devtools-protocol",
   "author": "The Chromium Authors",

package.json

@@ -36,6 +36,9 @@ domain Target
       # Provides additional details for specific target types. For example, for
       # the type of "page", this may be set to "prerender".
       experimental optional string subtype
+      # Embedder-specific target metadata. This is only set for targets of
+      # type "tab".
+      experimental optional object embedderData
 
   # A filter used by target query/discovery/auto-attach operations.
   experimental type FilterEntry extends object

pdl/domains/Target.pdl

@@ -20804,6 +20804,12 @@ export namespace Protocol {
              * @experimental
              */
             subtype?: string;
+            /**
+             * Embedder-specific target metadata. This is only set for targets of
+             * type "tab".
+             * @experimental
+             */
+            embedderData?: any;
         }
 
         /**