diff --git a/dotnet/src/webdriver/BiDi/BrowsingContext/DownloadEndEvent.cs b/dotnet/src/webdriver/BiDi/BrowsingContext/DownloadEndEvent.cs
index 0649b21d2f895..1756ab7740202 100644
--- a/dotnet/src/webdriver/BiDi/BrowsingContext/DownloadEndEvent.cs
+++ b/dotnet/src/webdriver/BiDi/BrowsingContext/DownloadEndEvent.cs
@@ -26,25 +26,31 @@ namespace OpenQA.Selenium.BiDi.BrowsingContext;
 
 [JsonConverter(typeof(DownloadEndEventArgsConverter))]
 public abstract record DownloadEndEventArgs(
-    BrowsingContext Context)
-    : EventArgs;
+    BrowsingContext Context,
+    Navigation? Navigation,
+    [property: JsonConverter(typeof(DateTimeOffsetConverter))] DateTimeOffset Timestamp,
+    string Url,
+    Browser.UserContext? UserContext)
+    : EventArgs, IBaseNavigationInfo;
 
 public sealed record DownloadCanceledEventArgs(
     Download Download,
     BrowsingContext Context,
     Navigation? Navigation,
-    [property: JsonConverter(typeof(DateTimeOffsetConverter))] DateTimeOffset Timestamp,
-    string Url)
-    : DownloadEndEventArgs(Context), IBaseNavigationInfo;
+    DateTimeOffset Timestamp,
+    string Url,
+    Browser.UserContext? UserContext)
+    : DownloadEndEventArgs(Context, Navigation, Timestamp, Url, UserContext);
 
 public sealed record DownloadCompleteEventArgs(
     Download Download,
     string? Filepath,
     BrowsingContext Context,
     Navigation? Navigation,
-    [property: JsonConverter(typeof(DateTimeOffsetConverter))] DateTimeOffset Timestamp,
-    string Url)
-    : DownloadEndEventArgs(Context), IBaseNavigationInfo;
+    DateTimeOffset Timestamp,
+    string Url,
+    Browser.UserContext? UserContext)
+    : DownloadEndEventArgs(Context, Navigation, Timestamp, Url, UserContext);
 
 internal class DownloadEndEventArgsConverter : JsonConverter<DownloadEndEventArgs>
 {
diff --git a/dotnet/src/webdriver/BiDi/BrowsingContext/DownloadWillBeginEvent.cs b/dotnet/src/webdriver/BiDi/BrowsingContext/DownloadWillBeginEvent.cs
index 05b43d299b22f..167044139a554 100644
--- a/dotnet/src/webdriver/BiDi/BrowsingContext/DownloadWillBeginEvent.cs
+++ b/dotnet/src/webdriver/BiDi/BrowsingContext/DownloadWillBeginEvent.cs
@@ -28,5 +28,6 @@ public sealed record DownloadWillBeginEventArgs(
     BrowsingContext Context,
     Navigation? Navigation,
     [property: JsonConverter(typeof(DateTimeOffsetConverter))] DateTimeOffset Timestamp,
-    string Url)
+    string Url,
+    Browser.UserContext? UserContext)
     : EventArgs, IBaseNavigationInfo;
diff --git a/dotnet/src/webdriver/BiDi/BrowsingContext/IBaseNavigationInfo.cs b/dotnet/src/webdriver/BiDi/BrowsingContext/IBaseNavigationInfo.cs
index 30a485a1a21db..e6447788b48e8 100644
--- a/dotnet/src/webdriver/BiDi/BrowsingContext/IBaseNavigationInfo.cs
+++ b/dotnet/src/webdriver/BiDi/BrowsingContext/IBaseNavigationInfo.cs
@@ -28,4 +28,6 @@ public interface IBaseNavigationInfo
     DateTimeOffset Timestamp { get; }
 
     string Url { get; }
+
+    Browser.UserContext? UserContext { get; }
 }
diff --git a/dotnet/src/webdriver/BiDi/Script/Evaluate.cs b/dotnet/src/webdriver/BiDi/Script/Evaluate.cs
index 8601f38cf0b51..7e929e609dbe8 100644
--- a/dotnet/src/webdriver/BiDi/Script/Evaluate.cs
+++ b/dotnet/src/webdriver/BiDi/Script/Evaluate.cs
@@ -73,6 +73,7 @@ public sealed record EvaluateResultException(
 public sealed record ExceptionDetails(
     long ColumnNumber,
     long LineNumber,
+    RemoteValue Exception,
     StackTrace StackTrace,
     string Text);