Rizki Kelimutu:

Firefox is evolving with a refreshed design that makes the browser feel more modern, approachable, and consistent across desktop and mobile. The refresh also extends to Firefox’s voice and writing style, making product experience feel more human, direct, and unmistakably Firefox.

Via Jeff Johnson:

Nothing says “consistent” like making your large-screen keyboard & mouse UI exactly like your tiny touchscreen UI.

And nothing says “more human” like a manufactured voice and writing style.

rjacob:

Internally, we’ve been calling this work Project Nova, and today we’re excited to share a deeper look at what we’ve been building and where we’re heading next.

The goal of this work is to create a more cohesive foundation for Firefox: making the browser feel cleaner, warmer, faster, and more adaptable.

Some of the areas we’re working on include:

• Simpler navigation and a redesigned Settings experience
• Easier access to features like tab groups, split view, and vertical tabs
• The return of Compact Mode
• Refreshed visual updates across tabs, icons, spacing, and browser surfaces
• More customization options, including new themes and wallpapers

Previously:

• New Mozilla CEO
• Mozilla Changes Firefox Terms of Use
• Firefox at 20
• The Negative Impact of Mobile-First Web Design on Desktop

Update (2026-07-28): athomas (via Thomas Clement):

Starting today, you can try out the next design evolution of Firefox in Nightly.

It’s still Firefox, now with a more cohesive look and feel across tabs, menus, panels, and other browser surfaces. You’ll notice softer tab shapes, a warmer color palette, updated icons, and – after hearing from many of you – the return of Compact Mode and new theme options to make Firefox your own.

Still no AppleScript support.

Update (2026-08-04): Marcin Wichary:

Contra the previous post, just spotted this “Same settings, new look!” callout in Firefox, on a page I have never visited before, talking about a feature I have never used[…]

Learn how to turn off sponsored website shortcuts that Firefox inserts into your row of websites on the start page.

Já imaginou navegar pela web moderna com o Internet Explorer ou com o Netscape? Com o Reframe é possível, num projeto Open Source que combina o visual dos browsers clássicos com tecnologia moderna.

The post Reframe recria os browsers dos anos 90 e 2000 numa experiência adaptada aos tempos modernos appeared first on Tek Notícias.

An anonymous reader quotes a report from Linuxiac: Mozilla has released Firefox 152, the latest update to its popular open-source web browser, with updated settings, improved media controls, experimental JPEG XL support, and various platform-specific fixes for desktop and Android. A key update is the redesigned Firefox Settings page, which now features clearer groupings, improved navigation, and a more streamlined structure for easier customization. The release also expands built-in spellchecker support, adding dictionaries for Croatian, English (UK), Georgian, Persian, Slovenian, Tajik, Tamil, Tibetan, Turkish, Welsh, and Xhosa. [...] Importantly, Firefox now offers experimental support for JPEG XL, an image format with improved compression over WebP, JPEG, PNG, and GIF. Users can enable JPEG XL in the Firefox Labs panel within Settings.

Read more of this story at Slashdot.

Esqueça os bloqueadores de sites chatos e as notificações que ignora ao fim de dois dias. O Cat Gatekeeper tem uma abordagem diferente, e muito mais fofa, para o doomscrolling. Trata-se de um gato laranja “gorducho” que invade o ecrã e não sai de lá até a pausa acabar.

The post Cat Gatekeeper: a extensão que manda um gato “gorducho” invadir o seu ecrã quando passa tempo a mais nas redes sociais appeared first on Tek Notícias.

The disbelief was palpable when Mozilla’s CTO last month declared that AI-assisted vulnerability detection meant “zero-days are numbered” and “defenders finally have a chance to win, decisively.” After all, it looked like part of an all-too-familiar pattern: Cherry-pick a handful of impressive AI-achieved results, leave out any of the fine print that might paint a more nuanced picture, and let the hype train roll on.

Mindful of the skepticism, Mozilla on Thursday provided a behind-the-scenes look into its use of Anthropic Mythos—an AI model for identifying software vulnerabilities—to ferret out 271 Firefox security flaws over two months. In a post, Mozilla engineers said the finally ready-for-prime-time breakthrough they achieved was primarily the result of two things: (1) improvement in the models themselves and (2) Mozilla’s development of a custom “harness” that supported Mythos as it analyzed Firefox source code.

"Almost no false positives"

The engineers said their earlier brushes with AI-assisted vulnerability detection were fraught with “unwanted slop.” Typically, someone would prompt a model to analyze a block of code. The model would then produce plausible-reading bug reports, and often at unprecedented scales. Invariably, however, when human developers further investigated, they’d find a large percentage of the details had been hallucinated. The humans would then need to invest significant work handling the vulnerability reports the old-fashioned way.

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