4 people reported
All time, since Jun 24, 2025.
GraphiQL route shows blank page
“Uncaught ReferenceError: GraphiQLPluginExplorer is not defined”
Is this your bug? What gets counted gets fixed. Pile on.
Paste this into your agent. It files your report, with your error and version.
I hit this bug: rapsheet.dev/sheets/shopify/issues/6903/file Follow it to file my report. Show me the text before you send.
No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends
GraphiQL route shows blank page in Hydrogen dev server. Visiting localhost:3000/graphiql after npm create @shopify/hydrogen@latest and npm run dev shows a blank page with console errors.
Is this your bug?
File my report- Where
- Hydrogen GraphiQL route
- Error text
Uncaught ReferenceError: GraphiQLPluginExplorer is not defined- Versions
- 5.0.0 to 2025.5.0
- How bad
- Breaks a normal workflow. Some reports say it blocks them completely.
Original reports4, newest first
- Got an error on graphiQLOn GitHubhydrogen #3191
- GraphiQL API browser not loadingOn GitHubhydrogen #3019
- localhost:3000/graphiql not workingOn GitHubhydrogen #3016
- View GraphiQL API browser downOn GitHubhydrogen #2996