wip: broken, but solved

packages/core/Cargo.toml

@@ -18,7 +18,7 @@ dioxus-core-macro = { path = "../core-macro", version = "0.1.1" }
 once_cell = "1.5.2"
 
 # Backs the scope creation and reutilization
-generational-arena = "0.2.8"
+generational-arena = { version = "0.2.8", features = ["serde"] }
 # Bumpalo backs the VNode creation
 bumpalo = { version = "3.6.0", features = ["collections"] }