diff --git a/src/React.re b/src/React.re
index ba02b4222..431b7a05a 100644
--- a/src/React.re
+++ b/src/React.re
@@ -887,14 +887,16 @@ external useDebugValue: ('value, ~format: 'value => string=?, unit) => unit =
 
 module Experimental = {
   /* This module is used to bind to APIs for future versions of React. There is no guarantee of backwards compatibility or stability. */
+  /* https://react.dev/reference/react/use */
   [@mel.module "react"] external usePromise: Js.Promise.t('a) => 'a = "use";
   [@mel.module "react"] external useContext: Context.t('a) => 'a = "use";
+  /* https://react.dev/reference/react/useTransition */
   [@mel.module "react"]
   external useTransitionAsync:
     unit => (bool, callbackAsync(callbackAsync(unit, unit), unit)) =
     "useTransition";
 
-  /* https://es.react.dev/reference/react/useOptimistic */
+  /* https://react.dev/reference/react/useOptimistic */
   [@mel.module "react"]
   external useOptimistic:
     ('state, ('state, 'optimisticValue) => 'state) =>
diff --git a/src/ReactDOMTestUtils.re b/src/ReactDOMTestUtils.re
index 0c841bf0e..24dafbff3 100644
--- a/src/ReactDOMTestUtils.re
+++ b/src/ReactDOMTestUtils.re
@@ -2,39 +2,32 @@ type undefined = Js.undefined(unit);
 
 let undefined: undefined = Js.Undefined.empty;
 
-[@deprecated "use React.act instead"] [@mel.module "react"]
+[@mel.module "react"]
 external reactAct: ((. unit) => undefined) => unit = "act";
 
 [@deprecated "use React.act instead"]
 let act: (unit => unit) => unit =
-  [@alert "-deprecated"]
-  (
-    func => {
-      let reactFunc =
-        (.) => {
-          func();
-          undefined;
-        };
-      reactAct(reactFunc);
-    }
-  );
-
-[@deprecated "use React.actAsync instead"] [@mel.module "react"]
+  func => {
+    let reactFunc =
+      (.) => {
+        func();
+        undefined;
+      };
+    reactAct(reactFunc);
+  };
+
+[@mel.module "react"]
 external reactActAsync: ((. unit) => Js.Promise.t('a)) => Js.Promise.t(unit) =
   "act";
 
 [@deprecated "use React.actAsync instead"]
-let actAsync =
-  [@alert "-deprecated"]
-  (
-    func => {
-      let reactFunc =
-        (.) => {
-          func();
-        };
-      reactActAsync(reactFunc);
-    }
-  );
+let actAsync = func => {
+  let reactFunc =
+    (.) => {
+      func();
+    };
+  reactActAsync(reactFunc);
+};
 
 [@deprecated
   "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
@@ -97,49 +90,49 @@ module Simulate = {
   [@mel.scope "Simulate"]
   external blur: Dom.element => unit = "blur";
 
+  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  external changeWithEvent: (Dom.element, 'event) => unit = "change";
+
   [@deprecated
     "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
   ]
-  [@mel.module "react-dom/test-utils"]
-  [@mel.scope "Simulate"]
-  external changeWithEvent: (Dom.element, 'event) => unit = "change";
+  let changeWithValue = (element, value) => {
+    let event = {
+      "target": {
+        "value": value,
+      },
+    };
+    changeWithEvent(element, event);
+  };
 
   [@deprecated
     "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
   ]
-  let changeWithValue =
-    [@alert "-deprecated"]
-    (
-      (element, value) => {
-        let event = {
-          "target": {
-            "value": value,
-          },
-        };
-        changeWithEvent(element, event);
-      }
-    );
-
+  let changeWithChecked = (element, value) => {
+    let event = {
+      "target": {
+        "checked": value,
+      },
+    };
+    changeWithEvent(element, event);
+  };
   [@deprecated
     "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
   ]
-  let changeWithChecked =
-    [@alert "-deprecated"]
-    (
-      (element, value) => {
-        let event = {
-          "target": {
-            "checked": value,
-          },
-        };
-        changeWithEvent(element, event);
-      }
-    );
-  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  [@mel.module "react-dom/test-utils"]
+  [@mel.scope "Simulate"]
   external canPlay: Dom.element => unit = "canPlay";
-  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  [@deprecated
+    "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+  ]
+  [@mel.module "react-dom/test-utils"]
+  [@mel.scope "Simulate"]
   external timeUpdate: Dom.element => unit = "timeUpdate";
-  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  [@deprecated
+    "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+  ]
+  [@mel.module "react-dom/test-utils"]
+  [@mel.scope "Simulate"]
   external ended: Dom.element => unit = "ended";
   [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
   external focus: Dom.element => unit = "focus";
@@ -147,65 +140,33 @@ module Simulate = {
 
 external document: Dom.document = "document";
 
-[@deprecated
-  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
-]
-[@mel.return nullable]
-[@mel.send]
+[@mel.return nullable] [@mel.send]
 external querySelector: (Dom.element, string) => option(Dom.element) =
   "querySelector";
 
-[@deprecated
-  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
-]
 [@mel.send]
 external querySelectorAll:
   (Dom.element, string) => Js.Array.array_like(Dom.element) =
   "querySelectorAll";
 
-[@deprecated
-  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
-]
-[@mel.get]
-external textContent: Dom.element => string = "textContent";
+[@mel.get] external textContent: Dom.element => string = "textContent";
 
-[@deprecated
-  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
-]
-[@mel.return nullable]
-[@mel.get]
+[@mel.return nullable] [@mel.get]
 external body: Dom.document => option(Dom.element) = "body";
 
-[@deprecated
-  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
-]
 [@mel.send]
 external createElement: (Dom.document, string) => Dom.element =
   "createElement";
 
-[@deprecated
-  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
-]
-[@mel.send]
-external remove: Dom.element => unit = "remove";
+[@mel.send] external remove: Dom.element => unit = "remove";
 
-[@deprecated
-  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
-]
 [@mel.send]
 external appendChild: (Dom.element, Dom.element) => Dom.element =
   "appendChild";
 
-[@deprecated
-  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
-]
-let querySelectorAll =
-  [@alert "-deprecated"]
-  (
-    (element, string) => {
-      Js.Array.from(querySelectorAll(element, string));
-    }
-  );
+let querySelectorAll = (element, string) => {
+  Js.Array.from(querySelectorAll(element, string));
+};
 
 module DOM = {
   [@deprecated
@@ -218,9 +179,8 @@ module DOM = {
   [@deprecated
     "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
   ]
-  let findBySelector =
-    [@alert "-deprecated"]
-    ((element, selector) => querySelector(element, selector));
+  let findBySelector = (element, selector) =>
+    querySelector(element, selector);
 
   [@deprecated
     "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
@@ -231,56 +191,37 @@ module DOM = {
   [@deprecated
     "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
   ]
-  let findBySelectorAndTextContent =
-    [@alert "-deprecated"]
-    (
-      (element, selector, content) =>
-        querySelectorAll(element, selector)
-        |> Array.find_opt(node => node->textContent === content)
-    );
+  let findBySelectorAndTextContent = (element, selector, content) =>
+    querySelectorAll(element, selector)
+    |> Array.find_opt(node => node->textContent === content);
 
   [@deprecated
     "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
   ]
-  let findBySelectorAndPartialTextContent =
-    [@alert "-deprecated"]
-    (
-      (element, selector, content) =>
-        querySelectorAll(element, selector)
-        |> Array.find_opt(node =>
-             Js.String.includes(~search=content, node->textContent)
-           )
-    );
+  let findBySelectorAndPartialTextContent = (element, selector, content) =>
+    querySelectorAll(element, selector)
+    |> Array.find_opt(node =>
+         Js.String.includes(~search=content, node->textContent)
+       );
 };
 
 [@deprecated
   "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
 ]
-let prepareContainer =
-  [@alert "-deprecated"]
-  (
-    (container: ref(option(Dom.element)), ()) => {
-      let containerElement = document->createElement("div");
-      let _: option(_) =
-        Option.map(
-          body => body->appendChild(containerElement),
-          document->body,
-        );
-      container := Some(containerElement);
-    }
-  );
+let prepareContainer = (container: ref(option(Dom.element)), ()) => {
+  let containerElement = document->createElement("div");
+  let _: option(_) =
+    Option.map(body => body->appendChild(containerElement), document->body);
+  container := Some(containerElement);
+};
 
 [@deprecated
   "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
 ]
-let cleanupContainer =
-  [@alert "-deprecated"]
-  (
-    (container: ref(option(Dom.element)), ()) => {
-      let _: option(_) = Option.map(remove, container^);
-      container := None;
-    }
-  );
+let cleanupContainer = (container: ref(option(Dom.element)), ()) => {
+  let _: option(_) = Option.map(remove, container^);
+  container := None;
+};
 
 [@deprecated
   "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
diff --git a/src/ReactDOMTestUtils.rei b/src/ReactDOMTestUtils.rei
index 5f67f3345..bfab45e81 100644
--- a/src/ReactDOMTestUtils.rei
+++ b/src/ReactDOMTestUtils.rei
@@ -1,60 +1,145 @@
-let act: (unit => unit) => unit;
+let act: [@deprecated "use React.act instead"] ((unit => unit) => unit);
 
-let actAsync: (unit => Js.Promise.t('a)) => Js.Promise.t(unit);
+let actAsync:
+  [@deprecated "use React.actAsync instead"] (
+    (unit => Js.Promise.t('a)) => Js.Promise.t(unit)
+  );
 
 [@mel.module "react-dom/test-utils"]
+[@deprecated
+  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+]
 external isElement: 'element => bool = "isElement";
 
 [@mel.module "react-dom/test-utils"]
+[@deprecated
+  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+]
 external isElementOfType: ('element, React.component('props)) => bool =
   "isElementOfType";
 
 [@mel.module "react-dom/test-utils"]
+[@deprecated
+  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+]
 external isDOMComponent: 'element => bool = "isDOMComponent";
 
 [@mel.module "react-dom/test-utils"]
+[@deprecated
+  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+]
 external isCompositeComponent: 'element => bool = "isCompositeComponent";
 
+[@deprecated
+  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+]
 [@mel.module "react-dom/test-utils"]
 external isCompositeComponentWithType:
   ('element, React.component('props)) => bool =
   "isCompositeComponentWithType";
 
 module Simulate: {
-  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  [@deprecated
+    "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+  ]
+  [@mel.module "react-dom/test-utils"]
+  [@mel.scope "Simulate"]
   external click: Dom.element => unit = "click";
-  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  [@deprecated
+    "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+  ]
+  [@mel.module "react-dom/test-utils"]
+  [@mel.scope "Simulate"]
   external clickWithEvent: (Dom.element, 'event) => unit = "click";
-  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  [@deprecated
+    "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+  ]
+  [@mel.module "react-dom/test-utils"]
+  [@mel.scope "Simulate"]
   external change: Dom.element => unit = "change";
-  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  [@deprecated
+    "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+  ]
+  [@mel.module "react-dom/test-utils"]
+  [@mel.scope "Simulate"]
   external blur: Dom.element => unit = "blur";
-  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  [@deprecated
+    "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+  ]
+  [@mel.module "react-dom/test-utils"]
+  [@mel.scope "Simulate"]
   external changeWithEvent: (Dom.element, 'event) => unit = "change";
   let changeWithValue: (Dom.element, string) => unit;
   let changeWithChecked: (Dom.element, bool) => unit;
-  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  [@deprecated
+    "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+  ]
+  [@mel.module "react-dom/test-utils"]
+  [@mel.scope "Simulate"]
   external canPlay: Dom.element => unit = "canPlay";
-  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  [@deprecated
+    "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+  ]
+  [@mel.module "react-dom/test-utils"]
+  [@mel.scope "Simulate"]
   external timeUpdate: Dom.element => unit = "timeUpdate";
-  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  [@deprecated
+    "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+  ]
+  [@mel.module "react-dom/test-utils"]
+  [@mel.scope "Simulate"]
   external ended: Dom.element => unit = "ended";
-  [@mel.module "react-dom/test-utils"] [@mel.scope "Simulate"]
+  [@deprecated
+    "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+  ]
+  [@mel.module "react-dom/test-utils"]
+  [@mel.scope "Simulate"]
   external focus: Dom.element => unit = "focus";
 };
 
 module DOM: {
-  [@mel.return nullable] [@mel.get]
+  [@deprecated
+    "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
+  ]
+  [@mel.return nullable]
+  [@mel.get]
   external value: Dom.element => option(string) = "value";
 
-  let findBySelector: (Dom.element, string) => option(Dom.element);
-  let findByAllSelector: (Dom.element, string) => array(Dom.element);
+  let findBySelector:
+    [@deprecated
+      "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
+    ] (
+      (Dom.element, string) => option(Dom.element)
+    );
+  let findByAllSelector:
+    [@deprecated
+      "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
+    ] (
+      (Dom.element, string) => array(Dom.element)
+    );
   let findBySelectorAndTextContent:
-    (Dom.element, string, string) => option(Dom.element);
+    [@deprecated
+      "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
+    ] (
+      (Dom.element, string, string) => option(Dom.element)
+    );
   let findBySelectorAndPartialTextContent:
-    (Dom.element, string, string) => option(Dom.element);
+    [@deprecated
+      "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-webapi instead."
+    ] (
+      (Dom.element, string, string) => option(Dom.element)
+    );
 };
 
+[@deprecated
+  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+]
 let prepareContainer: (Stdlib.ref(option(Dom.element)), unit) => unit;
+[@deprecated
+  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+]
 let cleanupContainer: (Stdlib.ref(option(Dom.element)), unit) => unit;
+[@deprecated
+  "ReactDOMTestUtils is deprecated, and will be removed in next version. Please use melange-testing-library instead."
+]
 let getContainer: Stdlib.ref(option(Dom.element)) => Dom.element;
diff --git a/test/Form__test.re b/test/Form__test.re
index 85593047b..123f47ad7 100644
--- a/test/Form__test.re
+++ b/test/Form__test.re
@@ -1,3 +1,5 @@
+[@alert "-deprecated"];
+
 open Jest;
 open Jest.Expect;
 open ReactDOMTestUtils;
@@ -25,7 +27,11 @@ module Thread = {
     let (optimisticMessages, addOptimisticMessage) =
       React.Experimental.useOptimistic(messages, (state, newMessage) =>
         [
-          {text: newMessage, sending: true, key: List.length(state) + 1},
+          {
+            text: newMessage,
+            sending: true,
+            key: List.length(state) + 1,
+          },
           ...state,
         ]
       );
@@ -84,7 +90,15 @@ module App = {
   [@react.component]
   let make = () => {
     let (messages, setMessages) =
-      React.useState(() => [{text: "¡Hola!", sending: false, key: 1}]);
+      React.useState(() =>
+        [
+          {
+            text: "¡Hola!",
+            sending: false,
+            key: 1,
+          },
+        ]
+      );
 
     let sendMessage = formData => {
       let formMessage = FormData.get("message", formData);
@@ -95,7 +109,14 @@ module App = {
         | JSString(text) =>
           let _ =
             setMessages(messages =>
-              [{text, sending: true, key: 1}, ...messages]
+              [
+                {
+                  text,
+                  sending: true,
+                  key: 1,
+                },
+                ...messages,
+              ]
             );
           Js.Promise.resolve();
         | _ => Js.Promise.resolve()
diff --git a/test/Hooks__test.re b/test/Hooks__test.re
index 9e8ff3dfe..41a5e1fed 100644
--- a/test/Hooks__test.re
+++ b/test/Hooks__test.re
@@ -1,3 +1,5 @@
+[@alert "-deprecated"];
+
 open Jest;
 open Jest.Expect;
 open ReactDOMTestUtils;
@@ -47,7 +49,11 @@ let store = (initialState: 'a) => {
     };
   };
 
-  {getState, setState, subscribe};
+  {
+    getState,
+    setState,
+    subscribe,
+  };
 };
 
 module DummyStatefulComponent = {
diff --git a/test/React__test.re b/test/React__test.re
index bfa76985e..1866e07e2 100644
--- a/test/React__test.re
+++ b/test/React__test.re
@@ -1,3 +1,5 @@
+[@alert "-deprecated"];
+
 open Jest;
 open Jest.Expect;
 open ReactDOMTestUtils;
@@ -24,7 +26,10 @@ module DummyComponentThatMapsChildren = {
       {children->React.Children.mapWithIndex((element, index) => {
          React.cloneElement(
            element,
-           {"key": string_of_int(index), "data-index": index},
+           {
+             "key": string_of_int(index),
+             "data-index": index,
+           },
          )
        })}
     </div>;
@@ -318,7 +323,10 @@ describe("React", () => {
     act(() => {
       ReactDOM.Client.render(
         root,
-        render({name: "Joe", imageUrl: "https://foo.png"}),
+        render({
+          name: "Joe",
+          imageUrl: "https://foo.png",
+        }),
       )
     });