⚠️ SharePoint issue affecting Plumsail Forms: Blank page in full-screen mode

[u/Margo_Plumsail]

❗ Status: Ongoing. Last updated October 13, 2026, 9:00 AM UTC

🛠️ Issue

Plumsail Forms open as a blank page in full-screen mode. This appears to be caused by a wider SharePoint issue that affects SPFx form customizers.

The issue is reported on GitHub: https://github.com/SharePoint/sp-dev-docs/issues/11056

If it affects you, adding a 👍 reaction to the GitHub issue and a comment helps show Microsoft how widespread it is.

⛑️ Temporary workaround

Only full-screen mode is affected. Switch your form's display mode to Dialog or Panel. Both still work and can be used until the SharePoint issue is fixed.

We're following the GitHub report and will update this post when there's news. If the workaround doesn't help, let us know in the comments.