fix

com.unity.uiwidgets/Editor/UIWidgetsEditorPanel.cs

         }
 
         void Update() {
-            
             _wrapper.onEditorUpdate();
         }
 

com.unity.uiwidgets/Runtime/engine/UIWidgetsPanel.cs

         }
 
         void Input_OnEnable() {
-            Input.touchRawProcess += ProcessRawTouch;
-
+#if !UNITY_EDITOR && (UNITY_IOS || UNITY_ANDROID)
+            Input.RawTouchEvent += ProcessRawTouch;
+#endif
-        public void ProcessRawTouch(Input.ProcessRawTouchesParam param) {
+        enum TouchPhase {
+            Began = 0,
+            Moved = 1,
+            Stationary = 2,
+            Ended = 3,
+            Canceled = 4
+        }
+
+        void ProcessRawTouch(Input.RawTouchEventParam param) {
-            switch (param.phase) {
-                case 0:
+            switch ((TouchPhase)param.phase) {
+                case TouchPhase.Began:
-                case 1:
+                case TouchPhase.Moved:
-                case 3:
+                case TouchPhase.Ended:
                     _wrapper.OnPointerUp(position, pointerId);
                     break;
                 default:
 
         void Input_OnDisable() {
-            Input.touchRawProcess -= ProcessRawTouch;
+#if !UNITY_EDITOR && (UNITY_IOS || UNITY_ANDROID)
+            Input.RawTouchEvent -= ProcessRawTouch;
+#endif
         }
 
         void Input_Update() {
             _isEntered = false;
             _wrapper.OnPointerLeave();
         }
-
+        
+#if UNITY_EDITOR || (!UNITY_IOS && !UNITY_ANDROID)
-#if UNITY_EDITOR || (!UNITY_IOS && !UNITY_ANDROID)
-#endif
-#if UNITY_EDITOR || (!UNITY_IOS && !UNITY_ANDROID)
-#endif
-#if UNITY_EDITOR || (!UNITY_IOS && !UNITY_ANDROID)
-#endif
+        }
+#else
+        public void OnPointerDown(PointerEventData eventData) {
+        }
+
+        public void OnPointerUp(PointerEventData eventData) {
+        }
+
+        public void OnDrag(PointerEventData eventData) {
+#endif
     }
 }