# Firefox 157 released with 'biggest visual refresh in years'

DevFeed: [Firefox 157 released with 'biggest visual refresh in years'](<https://devfeed.tech/articles/firefox-157-released-with-biggest-visual-refresh-in-years-60940.md>)

Original publisher: [Read original article](<https://www.omgubuntu.co.uk/2026/09/firefox-157-released-nova-theme>)

Author: Joey Sneddon

Published: 2026-09-28T11:03:00Z

Content type: news

Language: en

Sources: [OMG! Ubuntu](<https://devfeed.tech/sources/omg-ubuntu.md>)

Topics: [Firefox](<https://devfeed.tech/topics/firefox.md>), [Nova](<https://devfeed.tech/topics/nova.md>)

Tags: [app-updates](<https://devfeed.tech/tags/app-updates.md>), [encryption](<https://devfeed.tech/tags/encryption.md>), [firefox](<https://devfeed.tech/tags/firefox.md>), [linux](<https://devfeed.tech/tags/linux.md>), [macos](<https://devfeed.tech/tags/macos.md>), [news](<https://devfeed.tech/tags/news.md>), [nova](<https://devfeed.tech/tags/nova.md>), [update](<https://devfeed.tech/tags/update.md>)

## AI overview

Firefox 157 introduces Mozilla's Nova theme as the browser's default, with rounder, more colorful interface elements and an official compact mode. Other changes include a warning about logged SSL encryption keys, Firefox Suggest availability in several European countries, removal of Amazon as a built-in search engine, and hardware AV1 decoding for WebRTC calls where supported.

## Source excerpt

A new look Firefox 157 has arrived with what Mozilla describe as the browser's "biggest visual refresh in years". The latest stable update uses the new Nova theme by default. The 'modernised' look makes core UI elements rounder and more colourful as subtle pastel gradients tint the window chrome on Windows, macOS and - albeit opt-in there - Linux. We got our first look at Nova back in March, when tech blogger Söeren Hentzschel shared internal Mozilla mockups of the planned changes. Things moved fast; Nova went from idea to implementation rapidly, though the amount of changes planned has been toned [...] You're reading Firefox 157 released with 'biggest visual refresh in years', a blog post from OMG! Ubuntu. Do not reproduce elsewhere without permission.