can't forget about serialized references

Packages/manifest.json

@@ -19,6 +19,7 @@
     "com.unity.ugui": "2.0.0",
     "com.unity.visualeffectgraph": "17.4.0",
     "com.unity.visualscripting": "1.9.9",
+    "com.vertx.serializereference-dropdown": "1.0.3",
     "com.unity.modules.accessibility": "1.0.0",
     "com.unity.modules.adaptiveperformance": "1.0.0",
     "com.unity.modules.ai": "1.0.0",

Packages/packages-lock.json

@@ -345,6 +345,30 @@
       },
       "url": "https://packages.unity.com"
     },
+    "com.vertx.attributes": {
+      "version": "1.5.1",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://package.openupm.com"
+    },
+    "com.vertx.serializereference-dropdown": {
+      "version": "1.0.3",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.vertx.attributes": "1.5.1",
+        "com.vertx.utilities": "3.1.0"
+      },
+      "url": "https://package.openupm.com"
+    },
+    "com.vertx.utilities": {
+      "version": "3.1.0",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://package.openupm.com"
+    },
     "com.unity.modules.accessibility": {
       "version": "1.0.0",
       "depth": 0,