Form designer displays inside the platform instance window when form designer is open and user configures a label - Known Error

Form designer displays inside the platform instance window when form designer is open and user configures a label Description When opening the form designer, an inconsistent experience might occur if a form designer is already open on another browser tab. The form designer might display inside the platform instance window when form designer is open and the user configures a label.

Steps to Reproduce

Go to a record form.

Right-click in the header and choose Configure > Form design .

Do not close the Form designer page.

In the change form, configure the label on the Number field and click Save .

Note that the form designer page has loaded inside the platform instance

Workaround Closing the previous form designer page. The new designer page will show correctly.