Firefox's upcoming Project Nova introduces a rounded UI, refreshed colors, and streamlined privacy settings, including an easy toggle to disable current and future AI features.

Mozilla has formally confirmed the upcoming 2026 “Nova” redesign for Firefox, revealing details on its refreshed interface, modern visual style, and new user experience.

Mozilla's Project Nova gives Firefox softer tabs, a fire-inspired colour palette, compact mode, and clearer privacy settings. Rollout expected later this year.