Learn how to automatically set your year progress on lock screen and home screen using iOS Shortcuts automation.
Set up automatic wallpaper changes using the Apple Shortcuts app. Follow the steps to create a shortcut and automation.
Create a time-based automation that runs your shortcut daily to update your wallpaper.
Set up automation that updates your wallpaper when you open or close an app.
If the “Wallpaper” field in Shortcuts automation is disabled (grayed out), the automation will not run properly.

This happens when a photo wallpaper is not set on your current lock screen. Follow the steps below to set a photo wallpaper first.
After setting a photo wallpaper, return to Shortcuts automation and the “Wallpaper” field will be enabled.
For more details, see Apple Support - Change iPhone wallpaper.
If the Daily app doesn’t show up when searching for actions in the Shortcuts app, try the following:
You may need to repeat this process a few times. This helps iOS refresh the list of available shortcut actions from installed apps.