Upgrade React from 206df66e-20240912 to a99d8e8d-20240916 (#70190)

**breaking change for canary users: Bumps peer dependency of React from
`19.0.0-rc-206df66e-20240912` to `19.0.0-rc-a99d8e8d-20240916`**

[diff
facebook/react@206df66e...a99d8e8d](facebook/react@206df66...a99d8e8)

<details>
<summary>React upstream changes</summary>

- facebook/react#30977
- facebook/react#30971
- facebook/react#30922
- facebook/react#30917
- facebook/react#30902
- facebook/react#30912
- facebook/react#30970
- facebook/react#30969
- facebook/react#30967
- facebook/react#30966
- facebook/react#30960
- facebook/react#30968
- facebook/react#30961
- facebook/react#28255
- facebook/react#30957
- facebook/react#30958
- facebook/react#30959
- facebook/react#30951
- facebook/react#30954
- facebook/react#30920
- facebook/react#30942

</details>

examples/reproduction-template/package.json

@@ -7,8 +7,8 @@
   },
   "dependencies": {
     "next": "canary",
-    "react": "19.0.0-rc-206df66e-20240912",
-    "react-dom": "19.0.0-rc-206df66e-20240912"
+    "react": "19.0.0-rc-a99d8e8d-20240916",
+    "react-dom": "19.0.0-rc-a99d8e8d-20240916"
   },
   "devDependencies": {
     "@types/node": "20.12.12",

package.json

@@ -206,19 +206,19 @@
     "pretty-bytes": "5.3.0",
     "pretty-ms": "7.0.0",
     "random-seed": "0.3.0",
-    "react": "19.0.0-rc-206df66e-20240912",
+    "react": "19.0.0-rc-a99d8e8d-20240916",
     "react-17": "npm:[email protected]",
-    "react-builtin": "npm:[email protected]206df66e-20240912",
-    "react-dom": "19.0.0-rc-206df66e-20240912",
+    "react-builtin": "npm:[email protected]a99d8e8d-20240916",
+    "react-dom": "19.0.0-rc-a99d8e8d-20240916",
     "react-dom-17": "npm:[email protected]",
-    "react-dom-builtin": "npm:[email protected]206df66e-20240912",
-    "react-dom-experimental-builtin": "npm:[email protected]206df66e-20240912",
-    "react-experimental-builtin": "npm:[email protected]206df66e-20240912",
-    "react-is-builtin": "npm:[email protected]206df66e-20240912",
-    "react-server-dom-turbopack": "19.0.0-rc-206df66e-20240912",
-    "react-server-dom-turbopack-experimental": "npm:[email protected]206df66e-20240912",
-    "react-server-dom-webpack": "19.0.0-rc-206df66e-20240912",
-    "react-server-dom-webpack-experimental": "npm:[email protected]206df66e-20240912",
+    "react-dom-builtin": "npm:[email protected]a99d8e8d-20240916",
+    "react-dom-experimental-builtin": "npm:[email protected]a99d8e8d-20240916",
+    "react-experimental-builtin": "npm:[email protected]a99d8e8d-20240916",
+    "react-is-builtin": "npm:[email protected]a99d8e8d-20240916",
+    "react-server-dom-turbopack": "19.0.0-rc-a99d8e8d-20240916",
+    "react-server-dom-turbopack-experimental": "npm:[email protected]a99d8e8d-20240916",
+    "react-server-dom-webpack": "19.0.0-rc-a99d8e8d-20240916",
+    "react-server-dom-webpack-experimental": "npm:[email protected]a99d8e8d-20240916",
     "react-ssr-prepass": "1.0.8",
     "react-virtualized": "9.22.3",
     "relay-compiler": "13.0.2",
@@ -228,8 +228,8 @@
     "resolve-from": "5.0.0",
     "sass": "1.54.0",
     "satori": "0.10.9",
-    "scheduler-builtin": "npm:[email protected]206df66e-20240912",
-    "scheduler-experimental-builtin": "npm:[email protected]206df66e-20240912",
+    "scheduler-builtin": "npm:[email protected]a99d8e8d-20240916",
+    "scheduler-experimental-builtin": "npm:[email protected]a99d8e8d-20240916",
     "seedrandom": "3.0.5",
     "semver": "7.3.7",
     "shell-quote": "1.7.3",
@@ -269,10 +269,10 @@
       "@babel/traverse": "7.22.5",
       "@types/react": "npm:[email protected]",
       "@types/react-dom": "npm:[email protected]",
-      "react": "19.0.0-rc-206df66e-20240912",
-      "react-dom": "19.0.0-rc-206df66e-20240912",
-      "react-is": "19.0.0-rc-206df66e-20240912",
-      "scheduler": "0.25.0-rc-206df66e-20240912"
+      "react": "19.0.0-rc-a99d8e8d-20240916",
+      "react-dom": "19.0.0-rc-a99d8e8d-20240916",
+      "react-is": "19.0.0-rc-a99d8e8d-20240916",
+      "scheduler": "0.25.0-rc-a99d8e8d-20240916"
     },
     "patchedDependencies": {
       "[email protected]": "patches/[email protected]"

packages/create-next-app/templates/index.ts

@@ -13,7 +13,7 @@ import { GetTemplateFileArgs, InstallTemplateArgs } from "./types";
 
 // Do not rename or format. sync-react script relies on this line.
 // prettier-ignore
-const nextjsReactPeerVersion = "19.0.0-rc-206df66e-20240912";
+const nextjsReactPeerVersion = "19.0.0-rc-a99d8e8d-20240916";
 
 /**
  * Get the file path for a given file in a template, e.g. "next.config.js".

packages/next/package.json

@@ -108,8 +108,8 @@
     "@opentelemetry/api": "^1.1.0",
     "@playwright/test": "^1.41.2",
     "babel-plugin-react-compiler": "*",
-    "react": "19.0.0-rc-206df66e-20240912",
-    "react-dom": "19.0.0-rc-206df66e-20240912",
+    "react": "19.0.0-rc-a99d8e8d-20240916",
+    "react-dom": "19.0.0-rc-a99d8e8d-20240916",
     "sass": "^1.3.0"
   },
   "peerDependenciesMeta": {