If you’re working with React and Next.js — especially with Sitecore JSS — you might have run into a confusing warning like this:
“This Suspense boundary received an update before it finished hydrating.”
It sounds scary, but it basically means React got confused while it was trying to “wake up” the server-rendered HTML and make it interactive on the browser.
In this post, I’ll explain what hydration means, why this error happens, and how I fixed it when rendering Sitecore placeholders inside a React component.
