diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index 023a0e39a..1cc6f945b 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -16127,9 +16127,9 @@ interface WindowEventHandlersEventMap {
     "afterprint": Event;
     "beforeprint": Event;
     "beforeunload": BeforeUnloadEvent;
-    "gamepadconnected": Event;
-    "gamepaddisconnected": Event;
-    "hashchange": Event;
+    "gamepadconnected": GamepadEvent;
+    "gamepaddisconnected": GamepadEvent;
+    "hashchange": HashChangeEvent;
     "languagechange": Event;
     "message": MessageEvent;
     "messageerror": MessageEvent;
@@ -16148,9 +16148,9 @@ interface WindowEventHandlers {
     onafterprint: ((this: WindowEventHandlers, ev: Event) => any) | null;
     onbeforeprint: ((this: WindowEventHandlers, ev: Event) => any) | null;
     onbeforeunload: ((this: WindowEventHandlers, ev: BeforeUnloadEvent) => any) | null;
-    ongamepadconnected: ((this: WindowEventHandlers, ev: Event) => any) | null;
-    ongamepaddisconnected: ((this: WindowEventHandlers, ev: Event) => any) | null;
-    onhashchange: ((this: WindowEventHandlers, ev: Event) => any) | null;
+    ongamepadconnected: ((this: WindowEventHandlers, ev: GamepadEvent) => any) | null;
+    ongamepaddisconnected: ((this: WindowEventHandlers, ev: GamepadEvent) => any) | null;
+    onhashchange: ((this: WindowEventHandlers, ev: HashChangeEvent) => any) | null;
     onlanguagechange: ((this: WindowEventHandlers, ev: Event) => any) | null;
     onmessage: ((this: WindowEventHandlers, ev: MessageEvent) => any) | null;
     onmessageerror: ((this: WindowEventHandlers, ev: MessageEvent) => any) | null;
@@ -17426,9 +17426,9 @@ declare var onwheel: ((this: Window, ev: WheelEvent) => any) | null;
 declare var onafterprint: ((this: Window, ev: Event) => any) | null;
 declare var onbeforeprint: ((this: Window, ev: Event) => any) | null;
 declare var onbeforeunload: ((this: Window, ev: BeforeUnloadEvent) => any) | null;
-declare var ongamepadconnected: ((this: Window, ev: Event) => any) | null;
-declare var ongamepaddisconnected: ((this: Window, ev: Event) => any) | null;
-declare var onhashchange: ((this: Window, ev: Event) => any) | null;
+declare var ongamepadconnected: ((this: Window, ev: GamepadEvent) => any) | null;
+declare var ongamepaddisconnected: ((this: Window, ev: GamepadEvent) => any) | null;
+declare var onhashchange: ((this: Window, ev: HashChangeEvent) => any) | null;
 declare var onlanguagechange: ((this: Window, ev: Event) => any) | null;
 declare var onmessage: ((this: Window, ev: MessageEvent) => any) | null;
 declare var onmessageerror: ((this: Window, ev: MessageEvent) => any) | null;
diff --git a/inputfiles/addedTypes.jsonc b/inputfiles/addedTypes.jsonc
index 588d72dea..45c02d81f 100644
--- a/inputfiles/addedTypes.jsonc
+++ b/inputfiles/addedTypes.jsonc
@@ -200,6 +200,18 @@
                             "name": "beforeunload",
                             "type": "BeforeUnloadEvent"
                         },
+                        {
+                            "name": "gamepadconnected",
+                            "type": "GamepadEvent"
+                        },
+                        {
+                            "name": "gamepaddisconnected",
+                            "type": "GamepadEvent"
+                        },
+                        {
+                            "name": "hashchange",
+                            "type": "HashChangeEvent"
+                        },
                         {
                             "name": "message",
                             "type": "MessageEvent"