Firefox 157
A brand new Firefox is here
Firefox 157 launched on October 3, 2026 with 146 votes, #76 of 3,148 launches that month and more than 95% of that year's launches.
What it does
Say hello to a refreshed design and more ways to make it feel like home. Your bookmarks, extensions, and shortcuts are right where you left them. New themes, wallpapers, and a homepage you can actually arrange. Change it once or change it anytime. Cleaner toolbar, tidier tabs, less noise. Same menus, shortcuts, and extensions. You asked. We listened. Now you can shrink your toolbar and tabs, or let auto-compact handle it on smaller screens. Get how-tos, advice and news to make your Firefox experience work best forfrom firefox.com
Does a similar job
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Firefox Advance2018 · support.mozilla.org · ▲166Experimental recommendation engine built into Firefox


Firebuilder: A complete Firefox customization tool2024 · github.com · ▲143Hi HN! I've been working lately on unifying firefox configuration. Many people work on creating custom `userChrome.css` files and modules, browser user scripts, etc, but it's hard to actually use these a lot of the time. It usually involves cloning a repo, finding a folder and lots of copy paste. My tool (firebuilder) has an interactive CLI to select what to apply, (e.g. firefox hardening, custom CSS, etc) then creates a brand new profile folder for you. You can also seamlessly port from an existing profile folder to preserve all of your history, bookmarks, extensions, etc. For those more…

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