MC1254543 — Power Apps - Custom theming for model-driven apps is becoming generally available

Custom theming for model-driven apps using the modern, refreshed look has been available in preview since October 2023. This capability allows organizations to align model-driven apps with their branding by customizing colors, fonts, and app header styling using the Microsoft Fluent 2 design system. As of March 31, 2026, custom theming will reach general availability. How does this affect me? Classic theming is not honored with the modern, refreshed look, which is becoming mandatory for model-dr...