You can edit those “dirt” loading screens by opening a dummy screen instance. FancyMenu lets you pause those fast-loading screens so you can work on them in peace.
- While in Minecraft (not inside the layout editor), open the menu bar → Tools → Dummy Screen Instances.
- From that list, left-click the loading screen you want to tweak (like “World Loading Screen” or “Dirt Message Screen”) to open a persistent instance.
- Once the dummy screen is open, you can create a layout for it, add elements, change backgrounds, etc., just like any other screen.
After you finish editing, save and close the editor; your changes will apply the next time that screen appears.
For more details, see the Dummy Screen Instances guide.