The guide states the things to note, like Admin Access, Custom Code, Notes, APIs, etc.
Hidden Design Elements
Tip: Initially, on some pages, design elements in Bubble Editor might be hidden.
Here is an example of how to unhide 👀 them:
Embedded Notes in Bubble Editor
This template comes with explicit Notes for Database fields, Option sets and their fields, and Privacy rules, which will guide you with the modification process.
In order to preview a Note of any data type or field, click on the 💬 icon.