I was adding a navigation bar and editing its properties. I then clicked on a simple field object and the field properties appeared with the navbar properties grey in the background (see screen shot)
Thank you @Researchware for bringing this to our attention.
We’re hard at work on a visual overhaul of the Property Inspector UI (with some updates already live in the latest DP!), aiming to enhance usability and streamline your workflow. While this update is in progress, we appreciate your patience and continued support.