Firefox just got a redesign with round tabs, new themes, and Compact Mode

<figure> <img alt="A promotional image for Firefox’s Project Nova redesign" data-caption="" data-portal-copyright="Image: Mozilla" data-has-syndication-rights="1" src="https://platform.theverge.com/wp-content/uploads/sites/2/2026/09/firefox-project-nova-redesign-promo.webp?quality=90&#038;strip=all&#038;crop=0,0,100,100" /> <figcaption> </figcaption> </figure> <p class="wp-block-paragraph">Firefox will look a little different the next time you launch it - more bubbly, with some new pops of color. The browser's <a href="https://blog.mozilla.org/en/firefox/new-firefox-design-is-here/">latest update</a> brings <a href="https://www.theverge.com/tech/935631/firefox-project-nova-redesign">a design overhaul</a> to all desktop and mobile users, aimed at modernizing Firefox with bubble-like tabs, a rounded address bar, and refreshed colors, icons, and themes. The desktop and mobile versions of the browser will also now share the same design language. According to Mozilla, the design changes will have "no cost to your browser performance."</p> <div class="image-slider"> <div class="image-slider"> <img src="https://platform.theverge.com/wp-content/uploads/sites/2/2026/05/firefox-project-nova-redesign-tab-toolbar.png?quality=90&amp;strip=all&amp;crop=7.8206724782067,0,84.358655043587,100" alt="A screenshot of the Firefox toolbar with the new Project Nova design" title="A screenshot of the Firefox toolbar with the new Project Nova design" data-has-syndication-rights="1" data-caption="&lt;em&gt;Firefox&apos;s new look has more rounded UI elements. &lt;/em&gt; | Image: Mozilla" data-portal-copyright="Image: Mozilla"> <img src="https://platform.theverge.com/wp-content/uploads/sites/2/2026/09/firefox-redesign-new-theme-picker-screenshot.png?quality=90&amp;strip=all&amp;crop=2.8571428571429,0,94.285714285714,100" alt="" title="" data-has-syndication-rights="1" data-caption="&lt;em&gt;New theme options will include light and dark modes. &lt;/em&gt; | Image: Mozilla" data-portal-copyright="Image: Mozilla"> <img src="https://platform.theverge.com/wp-content/uploads/sites/2/2026/09/firefox-157-redesign-compact-mode.png?quality=90&amp;strip=all&amp;crop=7.8125,0,84.375,100" alt="A promotional image for Compact Mode in Firefox 157" title="A promotional image for Compact Mode in Firefox 157" data-has-syndication-rights="1" data-caption="&lt;em&gt;The new design also brings back Firefox&apos;s Compact Mode. &lt;/em&gt; | Image: Mozilla" data-portal-copyright="Image: Mozilla"> </div> </div> <p class="wp-block-paragraph">Mozilla says the overhauled design is a "renewal" for Firefox, following major updates over the last year, like <a href="https://www.theverge.com/tech/952354/firefox-home-page-widgets">home page widgets</a>, Split Vi …</p> <p><a href="https://www.theverge.com/tech/1001867/mozilla-firefox-157-redesign-compact-mode">Read the full story at The Verge.</a></p>