The end of page layouts is looming

Value★☆☆Effort☆☆☆

Business users do not care that much about how the backend works, but for technical people it is indeed a long awaited change.

It is now possible to add newly created fields directly to the lightning pages, which makes classic page layouts [almost] obsolete. Those countless clicks and frustration about forgetting to adjust page layouts is no more. Congrats to admins!

Quickly and easily add a new custom field to your Dynamic Forms-enabled pages by using a new step in the custom-field creation wizard

Source: Add New Custom Fields to Dynamic Forms-Enabled Pages