diff --git a/CefSharp/Enums/CefErrorCode.cs b/CefSharp/Enums/CefErrorCode.cs
index 4c56479c4..a0ad62c52 100644
--- a/CefSharp/Enums/CefErrorCode.cs
+++ b/CefSharp/Enums/CefErrorCode.cs
@@ -211,6 +211,21 @@ public enum CefErrorCode
         /// </summary>
         BlockedInIncognitoByAdministrator = -35,
 
+        /// <summary>
+        /// The request was blocked because the local network permission is missing.
+        /// Note that this is different from BlockedByLocalNetworkAccessChecks
+        /// which is specifically for a CORS error code.
+        /// </summary>
+        LocalNetworkPermissionMissing = -36,
+
+        /// <summary>
+        /// The request was blocked because ECH is strictly required, but:
+        ///  - The client could not obtain a valid ECH configuration.
+        ///  - The server rejected the ECH, and the client failed to establish a new ECH
+        ///    connection after retrying with retry_configs.
+        /// </summary>
+        StrictEchRequired = -37,
+
         /// <summary>
         /// A connection was closed (corresponding to a TCP FIN).
         /// </summary>
@@ -682,6 +697,12 @@ public enum CefErrorCode
 
         ProxyDelegateCanceledConnectResponse = -188,
 
+        /// <summary>
+        /// The control message was too large for the transport. (for example a UDP
+        /// message control data exceeds size threshold).
+        /// </summary>
+        ControlMsgTooBig = -189,
+
         // Certificate error codes
         //
         // The values of certificate error codes must be consecutive.
@@ -1126,10 +1147,9 @@ public enum CefErrorCode
         /// </summary>
         PacScriptTerminated = -367,
 
-        /// <summary>
-        /// Signals that the request requires the IPP proxy.
-        /// </summary>
-        ProxyRequired = -368,
+        // Obsolete. Support for CNAME record detection was never fully implemented and
+        // is no longer needed since the IP Protection feature didn't launch.
+        // NET_ERROR(PROXY_REQUIRED, -368)
 
         // Obsolete. Kept here to avoid reuse.
         // Request is throttled because of a Backoff header.
@@ -1320,6 +1340,11 @@ public enum CefErrorCode
         /// </summary>
         CacheOpenOrCreateFailure = -413,
 
+        /// <summary>
+        /// Zstd compression of a cache entry body failed.
+        /// </summary>
+        CacheCompressionFailure = -414,
+
         /// <summary>
         /// The server's response was insecure (e.g. there was a cert error).
         /// </summary>
@@ -1570,6 +1595,12 @@ public enum CefErrorCode
         /// </summary>
         DnsOtherFailure = -820,
 
+        /// <summary>
+        /// Declined to call DNS for a direct_only request of a hostname whose traffic
+        /// would be routed through a proxy.
+        /// </summary>
+        DnsDirectOnly = -821,
+
         // The following errors are for mapped from a subset of invalid
         // storage::BlobStatus.
 
diff --git a/CefSharp/Enums/PermissionRequestType.cs b/CefSharp/Enums/PermissionRequestType.cs
index a1cc8f32c..5647fde24 100644
--- a/CefSharp/Enums/PermissionRequestType.cs
+++ b/CefSharp/Enums/PermissionRequestType.cs
@@ -43,5 +43,6 @@ public enum PermissionRequestType : uint
         LocalNetworkAccess = 1 << 25,
         LocalNetwork = 1 << 26,
         LoopbackNetwork = 1 << 27,
+        Sensors = 1 << 28,
     }
 }