docs: add note about performance impact of runtime env in next (#7345)

vuestorefront · Dec 3, 2024 · 47934c8 · 47934c8
1 parent 0358de3
commit 47934c8
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/docs/content/4.sdk/6.migration-guide.md b/docs/content/4.sdk/6.migration-guide.md
@@ -117,6 +117,10 @@ export default MyDocument;
 
 ```
 
+:::warning
+`__ENV.js` script is used to pass runtime environment variables to the browser. It will block rendering of the page until the script is loaded, which will slow down the page load. We recommend upgrading to the App Router and using the newest version of `next-runtime-env` to avoid this issue.
+:::
+
 5. Update SSR cache control
 
 ```ts