Bump beta -> rc

.circleci/config.yml

@@ -480,7 +480,7 @@ workflows:
             - setup
           commit_sha: << pipeline.parameters.prerelease_commit_sha >>
           release_channel: stable
-          dist_tag: "next,beta"
+          dist_tag: "next"
       - publish_prerelease:
           name: Publish to Experimental channel
           requires:
@@ -512,7 +512,7 @@ workflows:
             - setup
           commit_sha: << pipeline.git.revision >>
           release_channel: stable
-          dist_tag: "next,beta"
+          dist_tag: "next"
       - publish_prerelease:
           name: Publish to Experimental channel
           requires:

ReactVersions.js

@@ -18,26 +18,26 @@
 //
 //   0.0.0-experimental-241c4467e-20200129
 
-const ReactVersion = '18.0.0';
+const ReactVersion = '18.0.0-rc.0';
 
 // The label used by the @next channel. Represents the upcoming release's
 // stability. Could be "alpha", "beta", "rc", etc.
-const nextChannelLabel = 'beta';
+const nextChannelLabel = 'rc';
 
 const stablePackages = {
   'create-subscription': ReactVersion,
-  'eslint-plugin-react-hooks': '4.2.1',
-  'jest-react': '0.12.1',
+  'eslint-plugin-react-hooks': '4.2.1-rc.0',
+  'jest-react': '0.12.1-rc.0',
   react: ReactVersion,
   'react-art': ReactVersion,
   'react-dom': ReactVersion,
   'react-is': ReactVersion,
-  'react-reconciler': '0.27.0',
-  'react-refresh': '0.11.0',
+  'react-reconciler': '0.27.0-rc.0',
+  'react-refresh': '0.11.0-rc.0',
   'react-test-renderer': ReactVersion,
-  'use-subscription': '1.6.0',
-  'use-sync-external-store': '1.0.0',
-  scheduler: '0.21.0',
+  'use-subscription': '1.6.0-rc.0',
+  'use-sync-external-store': '1.0.0-rc.0',
+  scheduler: '0.21.0-rc.0',
 };
 
 // These packages do not exist in the @next or @latest channel, only