Fix Blocks fixture

fixtures/blocks/src/Router.js

@@ -8,7 +8,7 @@
 import React, {
   useReducer,
   useEffect,
-  useTransition,
+  unstable_useTransition as useTransition,
   useCallback,
   useMemo,
   Suspense,

fixtures/blocks/src/index.js

@@ -6,8 +6,8 @@
  */
 
 import React from 'react';
-import ReactDOM from 'react-dom';
+import {unstable_createRoot as createRoot} from 'react-dom';
 import './index.css';
 import Router from './Router';
 
-ReactDOM.createRoot(document.getElementById('root')).render(<Router />);
+createRoot(document.getElementById('root')).render(<Router />);

fixtures/blocks/src/server/Comments.block.js

@@ -7,7 +7,7 @@
 /* eslint-disable import/first */
 
 import * as React from 'react';
-import {block} from 'react';
+import {unstable_block as block} from 'react';
 
 // Server
 

fixtures/blocks/src/server/FeedPage.block.js

@@ -7,7 +7,7 @@
 /* eslint-disable import/first */
 
 import * as React from 'react';
-import {block} from 'react';
+import {unstable_block as block} from 'react';
 import {fetch} from 'react-data/fetch';
 
 // Server

fixtures/blocks/src/server/Post.block.js

@@ -7,7 +7,7 @@
 /* eslint-disable import/first */
 
 import * as React from 'react';
-import {block, Suspense} from 'react';
+import {unstable_block as block, Suspense} from 'react';
 
 // Server
 

fixtures/blocks/src/server/PostList.js

@@ -7,7 +7,7 @@
 /* eslint-disable import/first */
 
 import * as React from 'react';
-import {Suspense, SuspenseList} from 'react';
+import {Suspense, unstable_SuspenseList as SuspenseList} from 'react';
 import {preload} from 'react-data/fetch';
 
 import loadPost from './Post.block';

fixtures/blocks/src/server/ProfileBio.block.js

@@ -7,7 +7,7 @@
 /* eslint-disable import/first */
 
 import * as React from 'react';
-import {block} from 'react';
+import {unstable_block as block} from 'react';
 
 // Server
 

fixtures/blocks/src/server/ProfilePage.block.js

@@ -7,7 +7,7 @@
 /* eslint-disable import/first */
 
 import * as React from 'react';
-import {block, Suspense} from 'react';
+import {unstable_block as block, Suspense} from 'react';
 
 // Server
 

fixtures/blocks/src/server/ProfileTimeline.block.js

@@ -7,7 +7,7 @@
 /* eslint-disable import/first */
 
 import * as React from 'react';
-import {block} from 'react';
+import {unstable_block as block} from 'react';
 
 // Server