this post was submitted on 30 Sep 2026
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Firefox

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Firefox 157.0 Release Notes on 29th Sep 2026 (www.firefox.com)
submitted 5 days ago* (last edited 4 days ago) by thingsiplay@lemmy.ml to c/firefox@lemmy.ml
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New

Screenshot of Firefox visual refresh

Firefox's biggest visual refresh in years is now available, with a modernized look across the browser toolbars, sidebar, menus and individual features, built with our updated design system. It also includes:

  • New built-in themes with light and dark versions, to personalize the look of Firefox in one click.
  • A new compact mode that reduces toolbar and tab spacing to leave more room for web content, useful on smaller screens and in split-screen layouts.

WebRTC video calls can now use hardware AV1 decoding on devices that support it, instead of always decoding AV1 video in software.

Firefox now shows a warning in the site information panel (the shield icon in the address bar) and in Settings when it has been set up to record its encryption keys, which could let other software on the computer read encrypted web traffic.

Firefox Suggest now offers suggestions in the address bar in Austria, Belgium, Czech Republic, Denmark, Finland, Hungary, Ireland, Luxembourg, Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden, and Switzerland. They can be controlled in the Firefox Suggest settings. Learn more.

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[–] thingsiplay@lemmy.ml 22 points 5 days ago (2 children)

I don't know why they did another visual refresh. They call the new look "Nova". It's getting annoying now and my tab groups ugly now. To change back to old style:

  1. Open about:config.
  2. Search for browser.nova.enabled.
  3. Set value to false.
[–] Trashboat@lemmy.blahaj.zone 8 points 5 days ago* (last edited 5 days ago)

Sadly probably won’t be around for more than a couple versions if the past is anything to go by. Really wish they’d quit these constant redesigns and just pick an identity and slowly iterate. It’s jarring as is and genuinely the thing I find most frustrating about Firefox. A tacky never ending treadmill of chasing trends instead of something you can get comfortable with.

I’m just gonna move to ESR when they remove the toggle, or another fork or something. I still miss tabs being tabs

[–] Majestic@lemmy.ml 4 points 5 days ago (1 children)

Could look into Firefox UI fix, aka proton/lepton. Custom CSS and such when they kill this switch.

[–] thingsiplay@lemmy.ml 2 points 5 days ago* (last edited 5 days ago)

I do customization. It's a complex mix of addons, custom CSS, custom JavaScript, some custom settings in Firefox and so on. Resources: