diff --git a/.circleci/config.yml b/.circleci/config.yml
index 32e8324a879ea..b936640682bbe 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -110,14 +110,14 @@ jobs:
           paths:
             - build
 
-  yarn_build_combined:
+  yarn_build:
     docker: *docker
     environment: *environment
     parallelism: 40
     steps:
       - checkout
       - setup_node_modules
-      - run: yarn build-combined
+      - run: yarn build
       - persist_to_workspace:
           root: .
           paths:
@@ -451,7 +451,7 @@ workflows:
                 # TODO: Test more persistent configurations?
                 - '-r=stable --env=development --persistent'
                 - '-r=experimental --env=development --persistent'
-      - yarn_build_combined:
+      - yarn_build:
           filters:
             branches:
               ignore:
@@ -464,10 +464,10 @@ workflows:
       - process_artifacts_combined:
           requires:
             - scrape_warning_messages
-            - yarn_build_combined
+            - yarn_build
       - yarn_test_build:
           requires:
-            - yarn_build_combined
+            - yarn_build
           matrix:
             parameters:
               args:
@@ -506,22 +506,22 @@ workflows:
                 - main
           requires:
             - download_base_build_for_sizebot
-            - yarn_build_combined
+            - yarn_build
       - yarn_lint_build:
           requires:
-            - yarn_build_combined
+            - yarn_build
       - yarn_check_release_dependencies:
           requires:
-            - yarn_build_combined
+            - yarn_build
       - check_error_codes:
           requires:
-            - yarn_build_combined
+            - yarn_build
       - RELEASE_CHANNEL_stable_yarn_test_dom_fixtures:
           requires:
-            - yarn_build_combined
+            - yarn_build
       - build_devtools_and_process_artifacts:
           requires:
-            - yarn_build_combined
+            - yarn_build
       - run_devtools_e2e_tests:
           requires:
             - build_devtools_and_process_artifacts
diff --git a/fixtures/art/package.json b/fixtures/art/package.json
index 82e84bb49a4f6..7d540fee14aa7 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": "link:../../build/node_modules/react",
-    "react-art": "link:../../build/node_modules/react-art/",
-    "react-dom": "link:../../build/node_modules/react-dom",
+    "react": "link:../../build/oss-experimental/react",
+    "react-art": "link:../../build/oss-experimental/react-art/",
+    "react-dom": "link:../../build/oss-experimental/react-dom",
     "webpack": "^1.14.0"
   },
   "scripts": {
diff --git a/fixtures/art/yarn.lock b/fixtures/art/yarn.lock
index 048ab68103189..8d0f79f957b52 100644
--- a/fixtures/art/yarn.lock
+++ b/fixtures/art/yarn.lock
@@ -2251,15 +2251,15 @@ rc@^1.1.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-"react-art@link:../../build/node_modules/react-art":
+"react-art@link:../../build/oss-experimental/react-art":
   version "0.0.0"
   uid ""
 
-"react-dom@link:../../build/node_modules/react-dom":
+"react-dom@link:../../build/oss-experimental/react-dom":
   version "0.0.0"
   uid ""
 
-"react@link:../../build/node_modules/react":
+"react@link:../../build/oss-experimental/react":
   version "0.0.0"
   uid ""
 
diff --git a/fixtures/attribute-behavior/package.json b/fixtures/attribute-behavior/package.json
index e71f60ec2e112..09e5902491770 100644
--- a/fixtures/attribute-behavior/package.json
+++ b/fixtures/attribute-behavior/package.json
@@ -12,7 +12,7 @@
   },
   "scripts": {
     "prestart":
-      "cp ../../build/node_modules/react/umd/react.development.js public/ && cp ../../build/node_modules/react-dom/umd/react-dom.development.js public/ && cp ../../build/node_modules/react-dom/umd/react-dom-server-legacy.browser.development.js public/",
+      "cp ../../build/oss-experimental/react/umd/react.development.js public/ && cp ../../build/oss-experimental/react-dom/umd/react-dom.development.js public/ && cp ../../build/oss-experimental/react-dom/umd/react-dom-server-legacy.browser.development.js public/",
     "start": "react-scripts start",
     "build": "react-scripts build",
     "test": "react-scripts test --env=jsdom",
diff --git a/fixtures/concurrent/time-slicing/package.json b/fixtures/concurrent/time-slicing/package.json
index 9fcfcae8d3df3..0e6f4f0b0ce85 100644
--- a/fixtures/concurrent/time-slicing/package.json
+++ b/fixtures/concurrent/time-slicing/package.json
@@ -11,7 +11,7 @@
     "victory": "^0.25.6"
   },
   "scripts": {
-    "copy-source": "cp -r ../../../build/node_modules/* ./node_modules/",
+    "copy-source": "cp -r ../../../build/oss-experimental/* ./node_modules/",
     "start": "react-scripts start",
     "build": "react-scripts build",
     "test": "react-scripts test --env=jsdom",
diff --git a/fixtures/devtools/scheduling-profiler/run.js b/fixtures/devtools/scheduling-profiler/run.js
index 259755a366e43..5c0191acca3db 100755
--- a/fixtures/devtools/scheduling-profiler/run.js
+++ b/fixtures/devtools/scheduling-profiler/run.js
@@ -18,7 +18,7 @@ const DEPENDENCIES = [
   ['react-dom/umd/react-dom.development.js', 'react-dom.js'],
 ];
 
-const BUILD_DIRECTORY = '../../../build/node_modules/';
+const BUILD_DIRECTORY = '../../../build/oss-experimental/';
 const DEPENDENCIES_DIRECTORY = 'dependencies';
 
 function initDependencies() {
diff --git a/fixtures/eslint/proxy/index.js b/fixtures/eslint/proxy/index.js
index 3c4be6ff345c1..f54e672d21126 100644
--- a/fixtures/eslint/proxy/index.js
+++ b/fixtures/eslint/proxy/index.js
@@ -16,7 +16,7 @@ function reload() {
     }
   }
   // Point to the built version.
-  build = require('../../../build/node_modules/eslint-plugin-react-hooks');
+  build = require('../../../build/oss-experimental/eslint-plugin-react-hooks');
 }
 
 let rules = {};
diff --git a/fixtures/expiration/package.json b/fixtures/expiration/package.json
index 263812a1ee2de..f628d582b8fcf 100644
--- a/fixtures/expiration/package.json
+++ b/fixtures/expiration/package.json
@@ -9,7 +9,7 @@
   },
   "scripts": {
     "prestart":
-      "cp ../../build/node_modules/react/umd/react.development.js public/ && cp ../../build/node_modules/react-dom/umd/react-dom.development.js public/",
+      "cp ../../build/oss-experimental/react/umd/react.development.js public/ && cp ../../build/oss-experimental/react-dom/umd/react-dom.development.js public/",
     "start": "react-scripts start",
     "build": "react-scripts build",
     "test": "react-scripts test --env=jsdom",
diff --git a/fixtures/fiber-triangle/index.html b/fixtures/fiber-triangle/index.html
index c7e22fdd4345e..d90e11093765d 100644
--- a/fixtures/fiber-triangle/index.html
+++ b/fixtures/fiber-triangle/index.html
@@ -16,8 +16,8 @@ <h1>Fiber Example</h1>
         If you checked out the source from GitHub make sure to run <code>npm run build</code>.
       </p>
     </div>
-    <script src="../../build/node_modules/react/umd/react.development.js"></script>
-    <script src="../../build/node_modules/react-dom/umd/react-dom.development.js"></script>
+    <script src="../../build/oss-experimental/react/umd/react.development.js"></script>
+    <script src="../../build/oss-experimental/react-dom/umd/react-dom.development.js"></script>
     <script src="https://unpkg.com/babel-standalone@6/babel.js"></script>
     <script type="text/babel">
       var dotStyle = {
diff --git a/fixtures/fizz-ssr-browser/index.html b/fixtures/fizz-ssr-browser/index.html
index 929b88217f540..ce7b61b5d599e 100644
--- a/fixtures/fizz-ssr-browser/index.html
+++ b/fixtures/fizz-ssr-browser/index.html
@@ -16,9 +16,9 @@ <h1>Fizz Example</h1>
         If you checked out the source from GitHub make sure to run <code>npm run build</code>.
       </p>
     </div>
-    <script src="../../build/node_modules/react/umd/react.development.js"></script>
-    <script src="../../build/node_modules/react-dom/umd/react-dom.development.js"></script>
-    <script src="../../build/node_modules/react-dom/umd/react-dom-server.browser.development.js"></script>
+    <script src="../../build/oss-experimental/react/umd/react.development.js"></script>
+    <script src="../../build/oss-experimental/react-dom/umd/react-dom.development.js"></script>
+    <script src="../../build/oss-experimental/react-dom/umd/react-dom-server.browser.development.js"></script>
     <script src="https://unpkg.com/babel-standalone@6/babel.js"></script>
     <script type="text/babel">
       async function render() {
diff --git a/fixtures/fizz/package.json b/fixtures/fizz/package.json
index 42becc4b8bce4..b858d76a1a875 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": "link:../../build/node_modules/react",
-    "react-dom": "link:../../build/node_modules/react-dom",
+    "react": "link:../../build/oss-experimental/react",
+    "react-dom": "link:../../build/oss-experimental/react-dom",
     "react-error-boundary": "^3.1.3",
     "resolve": "1.12.0",
     "rimraf": "^3.0.2",
diff --git a/fixtures/fizz/yarn.lock b/fixtures/fizz/yarn.lock
index c669457a4f640..bd08052ee7da4 100644
--- a/fixtures/fizz/yarn.lock
+++ b/fixtures/fizz/yarn.lock
@@ -4083,7 +4083,7 @@ rc@^1.2.8:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-"react-dom@link:../../build/node_modules/react-dom":
+"react-dom@link:../../build/oss-experimental/react-dom":
   version "0.0.0"
 
 react-error-boundary@^3.1.3:
@@ -4093,7 +4093,7 @@ react-error-boundary@^3.1.3:
   dependencies:
     "@babel/runtime" "^7.12.5"
 
-"react@link:../../build/node_modules/react":
+"react@link:../../build/oss-experimental/react":
   version "0.0.0"
 
 read-pkg@^4.0.1:
diff --git a/fixtures/flight-browser/index.html b/fixtures/flight-browser/index.html
index 76035601d315a..f8d93ae07872c 100644
--- a/fixtures/flight-browser/index.html
+++ b/fixtures/flight-browser/index.html
@@ -16,11 +16,11 @@ <h1>Flight Example</h1>
         If you checked out the source from GitHub make sure to run <code>npm run build</code>.
       </p>
     </div>
-    <script src="../../build/node_modules/react/umd/react.development.js"></script>
-    <script src="../../build/node_modules/react-dom/umd/react-dom.development.js"></script>
-    <script src="../../build/node_modules/react-dom/umd/react-dom-server.browser.development.js"></script>
-    <script src="../../build/node_modules/react-server-dom-webpack/umd/react-server-dom-webpack-server.browser.development.js"></script>
-    <script src="../../build/node_modules/react-server-dom-webpack/umd/react-server-dom-webpack-client.browser.development.js"></script>
+    <script src="../../build/oss-experimental/react/umd/react.development.js"></script>
+    <script src="../../build/oss-experimental/react-dom/umd/react-dom.development.js"></script>
+    <script src="../../build/oss-experimental/react-dom/umd/react-dom-server.browser.development.js"></script>
+    <script src="../../build/oss-experimental/react-server-dom-webpack/umd/react-server-dom-webpack-server.browser.development.js"></script>
+    <script src="../../build/oss-experimental/react-server-dom-webpack/umd/react-server-dom-webpack-client.browser.development.js"></script>
     <script src="https://unpkg.com/babel-standalone@6/babel.js"></script>
     <script type="text/babel">
       let Suspense = React.Suspense;
diff --git a/fixtures/flight/package.json b/fixtures/flight/package.json
index 9e0906f0b3ea1..0ad929fe2cf6e 100644
--- a/fixtures/flight/package.json
+++ b/fixtures/flight/package.json
@@ -63,8 +63,8 @@
     "workbox-webpack-plugin": "^6.4.1"
   },
   "scripts": {
-    "prestart": "cp -r ../../build/node_modules/* ./node_modules/",
-    "prebuild": "cp -r ../../build/node_modules/* ./node_modules/",
+    "prestart": "cp -r ../../build/oss-experimental/* ./node_modules/",
+    "prebuild": "cp -r ../../build/oss-experimental/* ./node_modules/",
     "start": "concurrently \"npm run start:server\" \"npm run start:client\"",
     "start:client": "NODE_ENV=development BUILD_PATH=dist node scripts/start.js",
     "start:server": "NODE_ENV=development BUILD_PATH=dist nodemon -- --experimental-loader ./loader/index.js --conditions=react-server server",
diff --git a/fixtures/packaging/babel-standalone/dev.html b/fixtures/packaging/babel-standalone/dev.html
index 1e492cf73f0ff..7b3e1e855fd49 100644
--- a/fixtures/packaging/babel-standalone/dev.html
+++ b/fixtures/packaging/babel-standalone/dev.html
@@ -1,7 +1,7 @@
 <html>
   <body>
-    <script src="../../../build/node_modules/react/umd/react.development.js"></script>
-    <script src="../../../build/node_modules/react-dom/umd/react-dom.development.js"></script>
+    <script src="../../../build/oss-experimental/react/umd/react.development.js"></script>
+    <script src="../../../build/oss-experimental/react-dom/umd/react-dom.development.js"></script>
     <script src="https://unpkg.com/babel-standalone@6/babel.js"></script>
     <div id="container"></div>
     <script type="text/babel">
diff --git a/fixtures/packaging/browserify/dev/package.json b/fixtures/packaging/browserify/dev/package.json
index 048add060f433..c0d8379838bcc 100644
--- a/fixtures/packaging/browserify/dev/package.json
+++ b/fixtures/packaging/browserify/dev/package.json
@@ -6,6 +6,6 @@
   },
   "scripts": {
     "build": "rm -f output.js && browserify ./input.js -o output.js",
-    "prebuild": "cp -r ../../../../build/node_modules/* ./node_modules/"
+    "prebuild": "cp -r ../../../../build/oss-experimental/* ./node_modules/"
   }
 }
diff --git a/fixtures/packaging/browserify/prod/package.json b/fixtures/packaging/browserify/prod/package.json
index aecb07eecd1ae..36f648faf9fd3 100644
--- a/fixtures/packaging/browserify/prod/package.json
+++ b/fixtures/packaging/browserify/prod/package.json
@@ -6,7 +6,7 @@
   },
   "scripts": {
     "build": "rm -f output.js && browserify ./input.js -g [envify --NODE_ENV 'production'] -o output.js",
-    "prebuild": "cp -r ../../../../build/node_modules/* ./node_modules/"
+    "prebuild": "cp -r ../../../../build/oss-experimental/* ./node_modules/"
   },
   "devDependencies": {
     "envify": "^4.0.0"
diff --git a/fixtures/packaging/brunch/dev/package.json b/fixtures/packaging/brunch/dev/package.json
index 08c047a233dfc..036befab85994 100644
--- a/fixtures/packaging/brunch/dev/package.json
+++ b/fixtures/packaging/brunch/dev/package.json
@@ -7,6 +7,6 @@
   },
   "scripts": {
     "build": "rm -rf public && brunch build",
-    "prebuild": "cp -r ../../../../build/node_modules/* ./node_modules/"
+    "prebuild": "cp -r ../../../../build/oss-experimental/* ./node_modules/"
   }
 }
diff --git a/fixtures/packaging/brunch/prod/package.json b/fixtures/packaging/brunch/prod/package.json
index cbd7eda761d2a..2d2a9a304be0d 100644
--- a/fixtures/packaging/brunch/prod/package.json
+++ b/fixtures/packaging/brunch/prod/package.json
@@ -7,6 +7,6 @@
   },
   "scripts": {
     "build": "rm -rf public && brunch build -p",
-    "prebuild": "cp -r ../../../../build/node_modules/* ./node_modules/"
+    "prebuild": "cp -r ../../../../build/oss-experimental/* ./node_modules/"
   }
 }
diff --git a/fixtures/packaging/globals/dev.html b/fixtures/packaging/globals/dev.html
index 8087045bfb91c..981d2cab0a32d 100644
--- a/fixtures/packaging/globals/dev.html
+++ b/fixtures/packaging/globals/dev.html
@@ -1,7 +1,7 @@
 <html>
   <body>
-    <script src="../../../build/node_modules/react/umd/react.development.js"></script>
-    <script src="../../../build/node_modules/react-dom/umd/react-dom.development.js"></script>
+    <script src="../../../build/oss-experimental/react/umd/react.development.js"></script>
+    <script src="../../../build/oss-experimental/react-dom/umd/react-dom.development.js"></script>
     <div id="container"></div>
     <script>
       ReactDOM.render(
diff --git a/fixtures/packaging/globals/prod.html b/fixtures/packaging/globals/prod.html
index f19d5fc30633b..b80aabbebc039 100644
--- a/fixtures/packaging/globals/prod.html
+++ b/fixtures/packaging/globals/prod.html
@@ -1,7 +1,7 @@
 <html>
   <body>
-    <script src="../../../build/node_modules/react/umd/react.production.min.js"></script>
-    <script src="../../../build/node_modules/react-dom/umd/react-dom.production.min.js"></script>
+    <script src="../../../build/oss-experimental/react/umd/react.production.min.js"></script>
+    <script src="../../../build/oss-experimental/react-dom/umd/react-dom.production.min.js"></script>
     <div id="container"></div>
     <script>
       ReactDOM.render(
diff --git a/fixtures/packaging/requirejs/dev.html b/fixtures/packaging/requirejs/dev.html
index cdce9ca954473..a94bacd792884 100644
--- a/fixtures/packaging/requirejs/dev.html
+++ b/fixtures/packaging/requirejs/dev.html
@@ -5,8 +5,8 @@
     <script>
       requirejs.config({
         paths: {
-          react: '../../../build/node_modules/react/umd/react.development',
-          'react-dom': '../../../build/node_modules/react-dom/umd/react-dom.development'
+          react: '../../../build/oss-experimental/react/umd/react.development',
+          'react-dom': '../../../build/oss-experimental/react-dom/umd/react-dom.development'
         }
       });
 
diff --git a/fixtures/packaging/requirejs/prod.html b/fixtures/packaging/requirejs/prod.html
index 85fcfc21ac46c..fc1be8d648c16 100644
--- a/fixtures/packaging/requirejs/prod.html
+++ b/fixtures/packaging/requirejs/prod.html
@@ -5,8 +5,8 @@
     <script>
       requirejs.config({
         paths: {
-          react: '../../../build/node_modules/react/umd/react.production.min',
-          'react-dom': '../../../build/node_modules/react-dom/umd/react-dom.production.min'
+          react: '../../../build/oss-experimental/react/umd/react.production.min',
+          'react-dom': '../../../build/oss-experimental/react-dom/umd/react-dom.production.min'
         }
       });
 
diff --git a/fixtures/packaging/rjs/dev/config.js b/fixtures/packaging/rjs/dev/config.js
index 5017e15fda8b9..f28efa8eb17f5 100644
--- a/fixtures/packaging/rjs/dev/config.js
+++ b/fixtures/packaging/rjs/dev/config.js
@@ -4,10 +4,10 @@ module.exports = {
   out: 'output.js',
   optimize: 'none',
   paths: {
-    react: '../../../../build/node_modules/react/umd/react.development',
+    react: '../../../../build/oss-experimental/react/umd/react.development',
     'react-dom':
-      '../../../../build/node_modules/react-dom/umd/react-dom.development',
+      '../../../../build/oss-experimental/react-dom/umd/react-dom.development',
     schedule:
-      '../../../../build/node_modules/scheduler/umd/schedule.development',
+      '../../../../build/oss-experimental/scheduler/umd/schedule.development',
   },
 };
diff --git a/fixtures/packaging/rjs/prod/config.js b/fixtures/packaging/rjs/prod/config.js
index 14a8fdd1ebe96..7ffdd06d3696d 100644
--- a/fixtures/packaging/rjs/prod/config.js
+++ b/fixtures/packaging/rjs/prod/config.js
@@ -4,10 +4,10 @@ module.exports = {
   out: 'output.js',
   optimize: 'none',
   paths: {
-    react: '../../../../build/node_modules/react/umd/react.production.min',
+    react: '../../../../build/oss-experimental/react/umd/react.production.min',
     'react-dom':
-      '../../../../build/node_modules/react-dom/umd/react-dom.production.min',
+      '../../../../build/oss-experimental/react-dom/umd/react-dom.production.min',
     schedule:
-      '../../../../build/node_modules/scheduler/umd/schedule.development',
+      '../../../../build/oss-experimental/scheduler/umd/schedule.development',
   },
 };
diff --git a/fixtures/packaging/systemjs-builder/dev/config.js b/fixtures/packaging/systemjs-builder/dev/config.js
index 0755de3a40b1e..1805592ec4563 100644
--- a/fixtures/packaging/systemjs-builder/dev/config.js
+++ b/fixtures/packaging/systemjs-builder/dev/config.js
@@ -1,9 +1,9 @@
 System.config({
   paths: {
-    react: '../../../../build/node_modules/react/umd/react.development.js',
+    react: '../../../../build/oss-experimental/react/umd/react.development.js',
     'react-dom':
-      '../../../../build/node_modules/react-dom/umd/react-dom.development.js',
+      '../../../../build/oss-experimental/react-dom/umd/react-dom.development.js',
     schedule:
-      '../../../../build/node_modules/scheduler/umd/schedule.development',
+      '../../../../build/oss-experimental/scheduler/umd/schedule.development',
   },
 });
diff --git a/fixtures/packaging/systemjs-builder/prod/config.js b/fixtures/packaging/systemjs-builder/prod/config.js
index b30d28f812c7d..60502b4e6a6d2 100644
--- a/fixtures/packaging/systemjs-builder/prod/config.js
+++ b/fixtures/packaging/systemjs-builder/prod/config.js
@@ -1,9 +1,10 @@
 System.config({
   paths: {
-    react: '../../../../build/node_modules/react/umd/react.production.min.js',
+    react:
+      '../../../../build/oss-experimental/react/umd/react.production.min.js',
     'react-dom':
-      '../../../../build/node_modules/react-dom/umd/react-dom.production.min.js',
+      '../../../../build/oss-experimental/react-dom/umd/react-dom.production.min.js',
     schedule:
-      '../../../../build/node_modules/scheduler/umd/schedule.development',
+      '../../../../build/oss-experimental/scheduler/umd/schedule.development',
   },
 });
diff --git a/fixtures/packaging/systemjs/dev.html b/fixtures/packaging/systemjs/dev.html
index 752cf04613a1a..0f73fe2adae60 100644
--- a/fixtures/packaging/systemjs/dev.html
+++ b/fixtures/packaging/systemjs/dev.html
@@ -5,8 +5,8 @@
     <script>
       System.config({
         paths: {
-          react: '../../../build/node_modules/react/umd/react.development.js',
-          'react-dom': '../../../build/node_modules/react-dom/umd/react-dom.development.js'
+          react: '../../../build/oss-experimental/react/umd/react.development.js',
+          'react-dom': '../../../build/oss-experimental/react-dom/umd/react-dom.development.js'
         }
       });
 
diff --git a/fixtures/packaging/systemjs/prod.html b/fixtures/packaging/systemjs/prod.html
index ed0362ed06b89..87de52ab1c3c0 100644
--- a/fixtures/packaging/systemjs/prod.html
+++ b/fixtures/packaging/systemjs/prod.html
@@ -5,8 +5,8 @@
     <script>
       System.config({
         paths: {
-          react: '../../../build/node_modules/react/umd/react.production.min.js',
-          'react-dom': '../../../build/node_modules/react-dom/umd/react-dom.production.min.js'
+          react: '../../../build/oss-experimental/react/umd/react.production.min.js',
+          'react-dom': '../../../build/oss-experimental/react-dom/umd/react-dom.production.min.js'
         }
       });
 
diff --git a/fixtures/packaging/webpack-alias/dev/config.js b/fixtures/packaging/webpack-alias/dev/config.js
index bf52ef4cf3dfb..2b1612660689b 100644
--- a/fixtures/packaging/webpack-alias/dev/config.js
+++ b/fixtures/packaging/webpack-alias/dev/config.js
@@ -6,7 +6,7 @@ module.exports = {
     filename: 'output.js',
   },
   resolve: {
-    root: path.resolve('../../../../build/node_modules'),
+    root: path.resolve('../../../../build/oss-experimental'),
     alias: {
       react: 'react/umd/react.development',
       'react-dom': 'react-dom/umd/react-dom.development',
diff --git a/fixtures/packaging/webpack-alias/prod/config.js b/fixtures/packaging/webpack-alias/prod/config.js
index 240cd5fc28a9c..7715065e28a86 100644
--- a/fixtures/packaging/webpack-alias/prod/config.js
+++ b/fixtures/packaging/webpack-alias/prod/config.js
@@ -6,7 +6,7 @@ module.exports = {
     filename: 'output.js',
   },
   resolve: {
-    root: path.resolve('../../../../build/node_modules'),
+    root: path.resolve('../../../../build/oss-experimental'),
     alias: {
       react: 'react/umd/react.production.min',
       'react-dom': 'react-dom/umd/react-dom.production.min',
diff --git a/fixtures/packaging/webpack/dev/config.js b/fixtures/packaging/webpack/dev/config.js
index d1ecfc7f5cdde..c3ed85697c618 100644
--- a/fixtures/packaging/webpack/dev/config.js
+++ b/fixtures/packaging/webpack/dev/config.js
@@ -6,6 +6,6 @@ module.exports = {
     filename: 'output.js',
   },
   resolve: {
-    root: path.resolve('../../../../build/node_modules/'),
+    root: path.resolve('../../../../build/oss-experimental/'),
   },
 };
diff --git a/fixtures/packaging/webpack/prod/config.js b/fixtures/packaging/webpack/prod/config.js
index f3d8a4a753fe9..b266e5ea422cc 100644
--- a/fixtures/packaging/webpack/prod/config.js
+++ b/fixtures/packaging/webpack/prod/config.js
@@ -7,7 +7,7 @@ module.exports = {
     filename: 'output.js',
   },
   resolve: {
-    root: path.resolve('../../../../build/node_modules/'),
+    root: path.resolve('../../../../build/oss-experimental/'),
   },
   plugins: [
     new webpack.DefinePlugin({
diff --git a/fixtures/scheduler/index.html b/fixtures/scheduler/index.html
index fdf831e2792f8..5da9d66163010 100644
--- a/fixtures/scheduler/index.html
+++ b/fixtures/scheduler/index.html
@@ -148,8 +148,8 @@ <h2>Tests:</h2>
       </div>
     </li>
   </ol>
-  <script src="../../build/node_modules/react/umd/react.production.min.js"></script>
-  <script src="../../build/node_modules/scheduler/umd/scheduler.production.min.js"></script>
+  <script src="../../build/oss-experimental/react/umd/react.production.min.js"></script>
+  <script src="../../build/oss-experimental/scheduler/umd/scheduler.production.min.js"></script>
   <script src="https://unpkg.com/babel-standalone@6/babel.js"></script>
   <script type="text/babel">
 const {
diff --git a/fixtures/ssr/package.json b/fixtures/ssr/package.json
index be8d4c50338e9..c5c7ac7eb2c4f 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": "link:../../build/node_modules/react",
-    "react-dom": "link:../../build/node_modules/react-dom"
+    "react": "link:../../build/oss-experimental/react",
+    "react-dom": "link:../../build/oss-experimental/react-dom"
   },
   "scripts": {
     "start": "concurrently \"npm run start:server\" \"npm run start:client\"",
diff --git a/fixtures/ssr/yarn.lock b/fixtures/ssr/yarn.lock
index 89a592d6ba8ea..55ee92f14782e 100644
--- a/fixtures/ssr/yarn.lock
+++ b/fixtures/ssr/yarn.lock
@@ -5490,7 +5490,7 @@ react-dev-utils@^0.5.2:
     sockjs-client "1.0.1"
     strip-ansi "3.0.1"
 
-"react-dom@link:../../build/node_modules/react-dom":
+"react-dom@link:../../build/oss-experimental/react-dom":
   version "0.0.0"
 
 react-scripts@0.9.5:
@@ -5539,7 +5539,7 @@ react-scripts@0.9.5:
   optionalDependencies:
     fsevents "1.0.17"
 
-"react@link:../../build/node_modules/react":
+"react@link:../../build/oss-experimental/react":
   version "0.0.0"
 
 read-pkg-up@^1.0.1:
diff --git a/fixtures/ssr2/package.json b/fixtures/ssr2/package.json
index de4bbd6aaea6c..c52710833a45f 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": "link:../../build/node_modules/react",
-    "react-dom": "link:../../build/node_modules/react-dom",
+    "react": "link:../../build/oss-experimental/react",
+    "react-dom": "link:../../build/oss-experimental/react-dom",
     "react-error-boundary": "^3.1.3",
     "resolve": "1.12.0",
     "rimraf": "^3.0.2",
diff --git a/fixtures/ssr2/yarn.lock b/fixtures/ssr2/yarn.lock
index 150ed04aa0d10..70af6af65e454 100644
--- a/fixtures/ssr2/yarn.lock
+++ b/fixtures/ssr2/yarn.lock
@@ -4108,7 +4108,7 @@ rc@^1.2.8:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-"react-dom@link:../../build/node_modules/react-dom":
+"react-dom@link:../../build/oss-experimental/react-dom":
   version "0.0.0"
   uid ""
 
@@ -4119,7 +4119,7 @@ react-error-boundary@^3.1.3:
   dependencies:
     "@babel/runtime" "^7.12.5"
 
-"react@link:../../build/node_modules/react":
+"react@link:../../build/oss-experimental/react":
   version "0.0.0"
   uid ""
 
diff --git a/fixtures/stacks/index.html b/fixtures/stacks/index.html
index 316ac32722f41..6fbc9ca1ac871 100644
--- a/fixtures/stacks/index.html
+++ b/fixtures/stacks/index.html
@@ -25,8 +25,8 @@
         If you checked out the source from GitHub make sure to run <code>npm run build</code>.
       </p>
     </div>
-    <script src="../../build/node_modules/react/umd/react.production.min.js"></script>
-    <script src="../../build/node_modules/react-dom/umd/react-dom.production.min.js"></script>
+    <script src="../../build/oss-experimental/react/umd/react.production.min.js"></script>
+    <script src="../../build/oss-experimental/react-dom/umd/react-dom.production.min.js"></script>
     <script src="./Components.js"></script>
     <script src="./BabelClasses-compiled.js"></script>
     <script src="./Example.js"></script>
diff --git a/package.json b/package.json
index f1b7f922c09f4..961d78345ddbe 100644
--- a/package.json
+++ b/package.json
@@ -108,8 +108,8 @@
     "testRegex": "/scripts/jest/dont-run-jest-directly\\.js$"
   },
   "scripts": {
-    "build": "node ./scripts/rollup/build.js",
-    "build-combined": "node ./scripts/rollup/build-all-release-channels.js",
+    "build": "node ./scripts/rollup/build-all-release-channels.js",
+    "build-combined": "echo 'build-combined is deprecated. yarn build instead.'",
     "build-for-devtools": "cross-env RELEASE_CHANNEL=experimental yarn build react/index,react/jsx,react-dom/index,react-dom/unstable_testing,react-dom/test-utils,react-is,react-debug-tools,scheduler,react-test-renderer,react-refresh,react-art --type=NODE && cp -r ./build/node_modules build/oss-experimental/",
     "build-for-devtools-dev": "yarn build-for-devtools --type=NODE_DEV",
     "build-for-devtools-prod": "yarn build-for-devtools --type=NODE_PROD",
@@ -144,7 +144,7 @@
     "publish-prereleases": "node ./scripts/release/publish-using-ci-workflow.js",
     "download-build": "node ./scripts/release/download-experimental-build.js",
     "download-build-for-head": "node ./scripts/release/download-experimental-build.js --commit=$(git rev-parse HEAD)",
-    "download-build-in-codesandbox-ci": "cd scripts/release && yarn install && cd ../../ && yarn download-build-for-head || yarn build-combined --type=node react/index react-dom/index react-dom/src/server react-dom/test-utils scheduler/index react/jsx-runtime react/jsx-dev-runtime",
+    "download-build-in-codesandbox-ci": "cd scripts/release && yarn install && cd ../../ && yarn download-build-for-head || yarn build --type=node react/index react-dom/index react-dom/src/server react-dom/test-utils scheduler/index react/jsx-runtime react/jsx-dev-runtime",
     "check-release-dependencies": "node ./scripts/release/check-release-dependencies",
     "generate-inline-fizz-runtime": "node ./scripts/rollup/generate-inline-fizz-runtime.js"
   },
diff --git a/scripts/jest/jest-cli.js b/scripts/jest/jest-cli.js
index 4aaf59ba728f8..fbd55ab2a5d3f 100644
--- a/scripts/jest/jest-cli.js
+++ b/scripts/jest/jest-cli.js
@@ -255,7 +255,7 @@ function validateOptions() {
     const buildDir = path.resolve('./build');
     if (!fs.existsSync(buildDir)) {
       logError(
-        'Build directory does not exist, please run `yarn build-combined` or remove the --build option.'
+        'Build directory does not exist, please run `yarn build` or remove the --build option.'
       );
       success = false;
     } else if (Date.now() - fs.statSync(buildDir).mtimeMs > 1000 * 60 * 15) {