diff --git a/ReactVersions.js b/ReactVersions.js
index ef97ee7e3afc3..e70d2e5ad60f2 100644
--- a/ReactVersions.js
+++ b/ReactVersions.js
@@ -7,18 +7,18 @@
 //
 // The @latest channel uses the version as-is, e.g.:
 //
-//   18.3.0
+//   19.0.0
 //
 // The @canary channel appends additional information, with the scheme
 // <version>-<label>-<commit_sha>, e.g.:
 //
-//   18.3.0-canary-a1c2d3e4
+//   19.0.0-canary-a1c2d3e4
 //
 // The @experimental channel doesn't include a version, only a date and a sha, e.g.:
 //
 //   0.0.0-experimental-241c4467e-20200129
 
-const ReactVersion = '18.3.0';
+const ReactVersion = '19.0.0';
 
 // The label used by the @canary channel. Represents the upcoming release's
 // stability. Most of the time, this will be "canary", but we may temporarily
@@ -29,20 +29,20 @@ const ReactVersion = '18.3.0';
 const canaryChannelLabel = 'canary';
 
 const stablePackages = {
-  'eslint-plugin-react-hooks': '5.0.0',
-  'jest-react': '0.15.0',
+  'eslint-plugin-react-hooks': '5.1.0',
+  'jest-react': '0.16.0',
   react: ReactVersion,
   'react-art': ReactVersion,
   'react-dom': ReactVersion,
   'react-server-dom-webpack': ReactVersion,
   'react-server-dom-turbopack': ReactVersion,
   'react-is': ReactVersion,
-  'react-reconciler': '0.30.0',
-  'react-refresh': '0.15.0',
+  'react-reconciler': '0.31.0',
+  'react-refresh': '0.16.0',
   'react-test-renderer': ReactVersion,
-  'use-subscription': '1.9.0',
-  'use-sync-external-store': '1.3.0',
-  scheduler: '0.24.0',
+  'use-subscription': '1.10.0',
+  'use-sync-external-store': '1.4.0',
+  scheduler: '0.25.0',
 };
 
 // These packages do not exist in the @canary or @latest channel, only
diff --git a/fixtures/art/package.json b/fixtures/art/package.json
index ff3229769bdb9..7bab6d59eb1c7 100644
--- a/fixtures/art/package.json
+++ b/fixtures/art/package.json
@@ -5,9 +5,9 @@
     "@babel/preset-env": "^7.10.4",
     "@babel/preset-react": "^7.10.4",
     "babel-loader": "^8.1.0",
-    "react": "^18.2.0",
-    "react-art": "^18.2.0",
-    "react-dom": "^18.2.0",
+    "react": "^19.0.0",
+    "react-art": "^19.0.0",
+    "react-dom": "^19.0.0",
     "webpack": "^1.14.0"
   },
   "scripts": {
diff --git a/fixtures/fizz/package.json b/fixtures/fizz/package.json
index 1684ba6c1bd7f..096a392f4b524 100644
--- a/fixtures/fizz/package.json
+++ b/fixtures/fizz/package.json
@@ -15,8 +15,8 @@
     "concurrently": "^5.3.0",
     "express": "^4.17.1",
     "nodemon": "^2.0.6",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "react-error-boundary": "^3.1.3",
     "resolve": "1.12.0",
     "rimraf": "^3.0.2",
diff --git a/fixtures/ssr/package.json b/fixtures/ssr/package.json
index b474a791b46d3..33ea7add74e89 100644
--- a/fixtures/ssr/package.json
+++ b/fixtures/ssr/package.json
@@ -12,8 +12,8 @@
     "ignore-styles": "^5.0.1",
     "import-export": "^1.0.1",
     "node-fetch": "^1.6.3",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0"
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
   },
   "scripts": {
     "predev": "cp -r ../../build/oss-experimental/* ./node_modules/",
diff --git a/fixtures/ssr2/package.json b/fixtures/ssr2/package.json
index c05f8282ce03d..1acf976d85c6c 100644
--- a/fixtures/ssr2/package.json
+++ b/fixtures/ssr2/package.json
@@ -15,8 +15,8 @@
     "concurrently": "^5.3.0",
     "express": "^4.17.1",
     "nodemon": "^2.0.6",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "react-error-boundary": "^3.1.3",
     "resolve": "1.12.0",
     "rimraf": "^3.0.2",
diff --git a/packages/jest-react/package.json b/packages/jest-react/package.json
index f51b4c7503c8d..ca872bf1c9bdf 100644
--- a/packages/jest-react/package.json
+++ b/packages/jest-react/package.json
@@ -20,8 +20,8 @@
   "homepage": "https://react.dev/",
   "peerDependencies": {
     "jest": "^23.0.1 || ^24.0.0 || ^25.1.0 || ^26.0.0 || ^27.0.0 || ^28.0.0 || ^29.0.0",
-    "react": "^18.2.0",
-    "react-test-renderer": "^18.2.0"
+    "react": "^19.0.0",
+    "react-test-renderer": "^19.0.0"
   },
   "files": [
     "LICENSE",
diff --git a/packages/react-art/package.json b/packages/react-art/package.json
index 56824432539ac..386bd57237d94 100644
--- a/packages/react-art/package.json
+++ b/packages/react-art/package.json
@@ -1,7 +1,7 @@
 {
   "name": "react-art",
   "description": "React ART is a JavaScript library for drawing vector graphics using React. It provides declarative and reactive bindings to the ART library. Using the same declarative API you can render the output to either Canvas, SVG or VML (IE8).",
-  "version": "18.2.0",
+  "version": "19.0.0",
   "main": "index.js",
   "repository": {
     "type": "git",
@@ -27,7 +27,7 @@
     "scheduler": "^0.23.0"
   },
   "peerDependencies": {
-    "react": "^18.2.0"
+    "react": "^19.0.0"
   },
   "files": [
     "LICENSE",
diff --git a/packages/react-dom-bindings/package.json b/packages/react-dom-bindings/package.json
index 71526e783a9e6..9aa4fbaa97ad5 100644
--- a/packages/react-dom-bindings/package.json
+++ b/packages/react-dom-bindings/package.json
@@ -1,7 +1,7 @@
 {
   "name": "react-dom-bindings",
   "description": "React implementation details for react-dom.",
-  "version": "18.2.0",
+  "version": "19.0.0",
   "private": true,
   "main": "index.js",
   "repository": {
@@ -18,6 +18,6 @@
   },
   "homepage": "https://react.dev/",
   "peerDependencies": {
-    "react": "^18.2.0"
+    "react": "^19.0.0"
   }
 }
diff --git a/packages/react-dom/package.json b/packages/react-dom/package.json
index 6ef48b292586c..5547c20de65eb 100644
--- a/packages/react-dom/package.json
+++ b/packages/react-dom/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-dom",
-  "version": "18.2.0",
+  "version": "19.0.0",
   "description": "React package for working with the DOM.",
   "main": "index.js",
   "repository": {
@@ -20,7 +20,7 @@
     "scheduler": "^0.23.0"
   },
   "peerDependencies": {
-    "react": "^18.2.0"
+    "react": "^19.0.0"
   },
   "files": [
     "LICENSE",
diff --git a/packages/react-is/package.json b/packages/react-is/package.json
index da7194b7ad525..07360a88e614f 100644
--- a/packages/react-is/package.json
+++ b/packages/react-is/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-is",
-  "version": "18.2.0",
+  "version": "19.0.0",
   "description": "Brand checking of React Elements.",
   "main": "index.js",
   "sideEffects": false,
diff --git a/packages/react-reconciler/package.json b/packages/react-reconciler/package.json
index 4f78d314d3463..27422543681c7 100644
--- a/packages/react-reconciler/package.json
+++ b/packages/react-reconciler/package.json
@@ -26,7 +26,7 @@
     "node": ">=0.10.0"
   },
   "peerDependencies": {
-    "react": "^18.2.0"
+    "react": "^19.0.0"
   },
   "dependencies": {
     "scheduler": "^0.23.0"
diff --git a/packages/react-server-dom-esm/package.json b/packages/react-server-dom-esm/package.json
index 5073ccc53edce..39fbff3a0270e 100644
--- a/packages/react-server-dom-esm/package.json
+++ b/packages/react-server-dom-esm/package.json
@@ -1,7 +1,7 @@
 {
   "name": "react-server-dom-esm",
   "description": "React Server Components bindings for DOM using ESM. This is intended to be integrated into meta-frameworks. It is not intended to be imported directly.",
-  "version": "18.2.0",
+  "version": "19.0.0",
   "keywords": [
     "react"
   ],
@@ -47,8 +47,8 @@
     "node": ">=0.10.0"
   },
   "peerDependencies": {
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0"
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
   },
   "dependencies": {
     "acorn-loose": "^8.3.0"
diff --git a/packages/react-server-dom-turbopack/package.json b/packages/react-server-dom-turbopack/package.json
index 60a908b8efd39..fd489c6c23fc7 100644
--- a/packages/react-server-dom-turbopack/package.json
+++ b/packages/react-server-dom-turbopack/package.json
@@ -1,7 +1,7 @@
 {
   "name": "react-server-dom-turbopack",
   "description": "React Server Components bindings for DOM using Turbopack. This is intended to be integrated into meta-frameworks. It is not intended to be imported directly.",
-  "version": "18.2.0",
+  "version": "19.0.0",
   "keywords": [
     "react"
   ],
@@ -79,8 +79,8 @@
     "node": ">=0.10.0"
   },
   "peerDependencies": {
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0"
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
   },
   "dependencies": {
     "acorn-loose": "^8.3.0",
diff --git a/packages/react-server-dom-webpack/package.json b/packages/react-server-dom-webpack/package.json
index d7418ee1cbfa0..8516b3e2e1166 100644
--- a/packages/react-server-dom-webpack/package.json
+++ b/packages/react-server-dom-webpack/package.json
@@ -1,7 +1,7 @@
 {
   "name": "react-server-dom-webpack",
   "description": "React Server Components bindings for DOM using Webpack. This is intended to be integrated into meta-frameworks. It is not intended to be imported directly.",
-  "version": "18.2.0",
+  "version": "19.0.0",
   "keywords": [
     "react"
   ],
@@ -79,8 +79,8 @@
     "node": ">=0.10.0"
   },
   "peerDependencies": {
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "webpack": "^5.59.0"
   },
   "dependencies": {
diff --git a/packages/react-test-renderer/package.json b/packages/react-test-renderer/package.json
index 80861018ee8fa..81493fd628adb 100644
--- a/packages/react-test-renderer/package.json
+++ b/packages/react-test-renderer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-test-renderer",
-  "version": "18.2.0",
+  "version": "19.0.0",
   "description": "React package for snapshot testing.",
   "main": "index.js",
   "repository": {
@@ -24,7 +24,7 @@
     "scheduler": "^0.23.0"
   },
   "peerDependencies": {
-    "react": "^18.2.0"
+    "react": "^19.0.0"
   },
   "files": [
     "LICENSE",
diff --git a/packages/react/package.json b/packages/react/package.json
index 76ca54e5127d1..f93bb209349f9 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -4,7 +4,7 @@
   "keywords": [
     "react"
   ],
-  "version": "18.2.0",
+  "version": "19.0.0",
   "homepage": "https://react.dev/",
   "bugs": "https://github.com/facebook/react/issues",
   "license": "MIT",
diff --git a/packages/shared/ReactVersion.js b/packages/shared/ReactVersion.js
index d0a14cfff7806..13dd40e747e0d 100644
--- a/packages/shared/ReactVersion.js
+++ b/packages/shared/ReactVersion.js
@@ -7,10 +7,9 @@
 
 // TODO: this is special because it gets imported during build.
 //
-// TODO: 18.0.0 has not been released to NPM;
 // It exists as a placeholder so that DevTools can support work tag changes between releases.
 // When we next publish a release, update the matching TODO in backend/renderer.js
 // TODO: This module is used both by the release scripts and to expose a version
 // at runtime. We should instead inject the version number as part of the build
 // process, and use the ReactVersions.js module as the single source of truth.
-export default '18.2.0';
+export default '19.0.0';
diff --git a/packages/use-subscription/package.json b/packages/use-subscription/package.json
index 628586ff600b7..4f9a38be4609f 100644
--- a/packages/use-subscription/package.json
+++ b/packages/use-subscription/package.json
@@ -15,7 +15,7 @@
   ],
   "license": "MIT",
   "peerDependencies": {
-    "react": "^16.8.0 || ^17.0.0 || ^18.0.0"
+    "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
   },
   "devDependencies": {
     "rxjs": "^5.5.6"
diff --git a/packages/use-sync-external-store/package.json b/packages/use-sync-external-store/package.json
index 58f190549af87..f9b40856598ba 100644
--- a/packages/use-sync-external-store/package.json
+++ b/packages/use-sync-external-store/package.json
@@ -19,7 +19,7 @@
   ],
   "license": "MIT",
   "peerDependencies": {
-    "react": "^16.8.0 || ^17.0.0 || ^18.0.0"
+    "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
   },
   "devDependencies": {
     "react-17": "npm:react@^17",