PowerApps: Building modern apps - Modernize model-driven apps with the header and navigation refresh feature

The header and navigation refresh feature delivers a modern, intuitive, and efficient model app experience across the app shell, form pages, and view pages. This update improves visual clarity, reduces vertical space usage, and aligns with modern Microsoft 365 design patterns.

As the feature transitions to general availability (GA), the refreshed experience remains opt-in, allowing makers to control adoption and validate the experience at their own pace. Makers can switch between the classic and refreshed experience using the Header and navigation refresh app setting:

Auto (default) : The new experience is off for apps, except those apps created using Plans.

Yes : Turns on the new header and navigation experience.

No : Keeps the classic header and navigation experience.

Key aspects include

Modern app header : A simplified header layout with improved spacing and icons that align with modern Microsoft 365 design patterns and enhance brand coherence across apps.

Streamlined sitemap : A cleaner, more readable sitemap structure that helps you find what you need faster.

More working space on forms : The command bar is now the only element fixed at the top of the page — the summary area…