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Firefox Redesign Brings Round Tabs, New Themes, and Compact Mode (theverge.com) 163

Firefox 157 is rolling out a major redesign across desktop and mobile, bringing rounded "bubble" tabs, a curved address bar, refreshed icons and colors, and a more consistent visual language across devices. Mozilla is also adding more themes and wallpapers while bringing back Compact Mode, which the company says "reduces the size of your tabs and toolbar to give more of your screen to the web, with an auto-compact option for smaller screens." The Verge reports: According to Mozilla, the design changes will have "no cost to your browser performance." Mozilla says the overhauled design is a "renewal" for Firefox, following major updates over the last year, like homepage widgets, Split View, a built-in VPN, and controls for disabling the browser's AI features.

Firefox Redesign Brings Round Tabs, New Themes, and Compact Mode

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  • I just updated without knowing what I would be getting. Yuck. Do not like the dark purple highlights one bit.
    • I think the industry needs to just stop changing irrelevant visual elements, I really don't care. They have a couple of nice features like the built in VPN and screen shot tool.

  • If it doesn't have the throbber, status bar, and big ass buttons at the top like classic Netscape I don't care.

  • Rounded tabs? (Score:5, Insightful)

    by drinkypoo ( 153816 ) <drink@hyperlogos.org> on Tuesday September 29, 2026 @07:10PM (#66355828) Homepage Journal

    These clowns keep finding new ways to waste screen real estate.

    • They should fire whoever told them this was a good idea and everyone who supported it. Completely backwards. Looks like those people never worked with more than 5 tabs before.

      • by rossdee ( 243626 )

        Can you turn it back to rectangular tabs in tool/settings

        I use the portable version and it hasn't been updated yet.

        • Re: Rounded tabs? (Score:5, Informative)

          by markdavis ( 642305 ) on Tuesday September 29, 2026 @07:49PM (#66355886)

          >"Can you turn it back to rectangular tabs in tool/settings"

          I doubt that. And themes only change colors and backgrounds.

          But you can make actual changes with Userchrome. It takes a bit of effort, though. I have my tabs square and always outlined and against the content, in a traditional way, using it.

          https://www.userchrome.org/ [userchrome.org]
          https://github.com/Aris-t2/Cus... [github.com]

          • I used to use Userchrome to reorganize the order of context menus and do a few other UI tweaks... until they removed those features.

            Now I don't bother. I just use a fork of Firefox.

          • Re: Rounded tabs? (Score:4, Interesting)

            by Zarhan ( 415465 ) on Wednesday September 30, 2026 @12:59AM (#66356196)

            Unfortunately, CustomCSS is dead. See announcement:

            https://github.com/Aris-t2/Cus... [github.com]

            It still worked for me perfectly with the previous Firefox ESR (140.x), but with 153.x I suddelny got my search box (yes I want a separate search box, not automatic search from the url bar!) with double line spacing. No other issues though.

            The announcement has a couple of other recommended projects as suggested migration paths.

            • Hmm, I hadn't noticed. Why didn't author post something in the main readme? If anyone knows which might be taking the crown, please post... Aris recommends

              https://github.com/QNetITQ/Wav... [github.com]
              https://github.com/MrOtherGuy/... [github.com]

              Anyway, I have Aris-t2's working fine, and yes, with a separate search box, just like you, with every Firefox through now 154. Also tabs on bottom, square tabs, and other stuff. Will update to 157 soon so maybe it will break at that point. I hope not.

          • Re: Rounded tabs? (Score:5, Informative)

            by AmiMoJo ( 196126 ) on Wednesday September 30, 2026 @05:17AM (#66356422) Homepage Journal

            Go to about:config and toggle browser.nova.enabled to false.

            I read the Ars interview with one of the guys who worked on this, and he justified it by saying that for broad appeal they need to have a modern looking UI. That may be true, but only if they also have a strong base of speed and compatibility.

            He mentioned that they are using AI to help develop things faster, which may be good if it helps catch back up for speed and compatibility. I think what they really need to do is straighten the codebase out and make it easier to build, so that other browsers can adopt it like they have adopted Chromium. I know there are forks, but they are little more than skins and default settings changes.

            • I read the Ars interview with one of the guys who worked on this, and he justified it by saying that for broad appeal they need to have a modern looking UI.

              Remember when Firefox supported themes? Back when they cared what we wanted?

              • by pla ( 258480 )
                Am I missing something here? Application Menu -> Settings -> Extensions&Themes -> Themes. You can choose a few common defaults, customize your own, or download thousands of them from addons.mozilla.org.

                You're the third comment implying we can no longer apply (or even make) custom themes, yet the linked announcement bluntly states exactly the opposite and implies they're increasing the number of themes available. Admittedly I run ESR rather than the bleeding edge, but we're only talking six mo
                • by Ded Bob ( 67043 )

                  The problem with Nova is that the themes no longer quite work. For example, the Dark theme is not Dark, it is purple in private mode. Also, the tabs are too round, so I may explore CSS to alter them eventually. They actually have a bit of jaggedness on the curves. I prefer the slight rounded corners of pre-Nova.

                  Regardless, Dark must work before I will consider Nova, so I will disable it until they fix it.

        • by caseih ( 160668 )

          Not easily. That's why I use the Floorp fork. They preserve the ability to set the UI to something sane.

        • No you cannot, at least I haven't found it.
          Your only option is "compact" mode which just crunches it all together.
          It looks like I'm using a Mac app in a VM on Windows now.

      • by Luthair ( 847766 )
        If you're posting on slashdot you should be old enough to recognize that designers cycle through the same trends perpetually.
    • >"These clowns keep finding new ways to waste screen real estate."

      1) Nothing is larger than before or using more space.
      2) They just brought back compact mode, which REDUCES the screen real estate. Turn it on and be happy.

      I am OK with people complaining about things, but at least make them valid complaints...

      • It's clear from screenshots on this page [mozilla.org] that is not what I am talking about here. I know that nobody RTFAs, but RTFA before you come at me bro

        • Re: (Score:3, Insightful)

          Agreed. I just watched the video and they've doubled down on the annoying changes they've been making for years now. All that rounding wastes space by definition - a square holds more of squares and circles than a circle holds of circles and squares, if you know what I mean. Why all the rounded corners? Are they afraid users will cut themselves, so they've created the browser equivalent of kiddie scissors?

          They've also kept the monochromatic controls bullshit which eliminates colour as a cue for identifying

    • This is probably the absolute dumbest piece of shit trend ever: rounded corners on the viewport. Who asked for it? No one. Who needs it? No one. Does it cover page content? Possibly.
      • by dskoll ( 99328 )

        I'm not seeing that. Lots of rounded GUI elements, but the viewport (meaning where the actual web content is displayed) is still a rectangle for me.

        I kind of like the new look, but it's /. tradition to shit all over Firefox, so meh.

        • by drinkypoo ( 153816 ) <drink@hyperlogos.org> on Tuesday September 29, 2026 @08:41PM (#66355950) Homepage Journal

          The rounded parts waste space. They create more visual space which can be helpful for some people who are not using very many tabs. Seriously what we want is better ad blocking, better performance and lower memory use which frankly I am pretty happy about these days anyway so thanks for that Firefox devs, and oh yeah less stuff forced on us! Let us keep a theme. Don't shove AI or Pocket or any other thing in there, make it an extension! Let us just set the scrollbar width with a goddamn slider!

          None of this is a lot to ask, in fact we're asking mostly for less which should be easy. Instead they have to prove that they're important by fucking with Firefox. I don't want them to leave their dickprint on the browser. What I would be thankful for, what I would literally pay for, is a light lean browser like it used to be. Take out every damn thing that isn't necessary to the mission of web browsing and make it an addon. And I am not a zealot about it, I'm not talking Javascript here or whatever, I'm talking stuff like Web Developer. I need it on this browser on this machine, it's only just an fkey I might accidentally hit on others, there's no reason to even have it on the machine. Why is it mandatory? That kind of functionality used to be an addon.

          TL;DR: Firefox used to be a browser and a platform that you could build on but didn't have to carry around what you weren't using, and I believe it should be again. Is that wrong?

    • I don't understand. I'm still on 156.0.1 and my tabs are already rounded? I believe they've been like that for a long time now. How is this new?

    • These clowns keep finding new ways to waste screen real estate.

      Oval tabs do seem to waste some space, especially on the left/right margins, but I don't know if it's a lot of space.

      A more pertinent question is, "How do oval tabs enhance the browser, its usage, and/or actual browsing experience?" 'cause I can't see any real benefit over rectangular tabs -- and the latter is actually more space efficient.

    • They said that compact mode was returning. I don't know if it's in this one or not, I haven't tried it yet given that it hasn't hit my distro yet.
    • Has anyone found a way to turn off the GD rounded tabs? I didn't expect Firefox to fuck me over like this.

      It's not a phone. You're not poking at little islands with your finger. The stupid round tabs present a smaller target for click and lower accuracy for the User.

    • by gweihir ( 88907 )

      Yes. And thereby they violate the first rule of all good UI design: Screen space is precious. Vertical one even more so.

  • by markdavis ( 642305 ) on Tuesday September 29, 2026 @07:41PM (#66355862)

    >"Firefox 157 is rolling out a major redesign"

    Exactly how is slightly more rounded tabs/address bar and some slightly different icons a "major redesign"? (It isn't). BTW- I hate rounded buttons and tabs, so I use mods to fix that anyway. It isn't new, they have had those rounded for a long time.

    Anyway, it is good they brought back compact mode, I could not fathom why it was taken away in the first place.

    • by HiThere ( 15173 )

      A very slight rounding is useful, as it makes the distinction between one tab and another easier to spot. Currently on my Firefox it's done by highlighting the active tab and putting a small icon at the start of the tab...which also wastes space, but differentiates tabs. (OTOH, the tab labels are already slightly rounded, but the "not currently selected tabs" are so greyed out that the tab margins are invisible. Not ideal. And if they do the same thing with the rounded tabs, there will be absolutely no

    • by gweihir ( 88907 )

      This is an instance of the "Big Lie" approach (https://en.wikipedia.org/wiki/Big_lie), where when you have some minor changes you claim earth-shattering improvements. Works on many people because people generally have trouble seeing reality.

      • Not quite. That would be if you were lying about them using the "big lie". Which is delightfully recursive. The "big lie" is lying about someone else trying to pull off a "big lie".

        Amusingly, that means you're the one engaging in the "big lie", because you're accusing someone of telling a lie too big to be disbelieved. Which is why I say it doesn't actually exist. "The Big Lie" is just a regular lie about someone else telling a whopper.

        • by gweihir ( 88907 )

          You just rediscovered the toddler-level "No, YOU stink!". Congratulations.

          • I think you've misunderstood. "The Big Lie" is accusing someone else of telling a lie so big people that can't believe it's a lie. People turn a quote from Goebbels about it but drop the part where he says that was what Jews were doing. "The Big Lie" is not telling a lie so big that nobody questions it. That's a really iffy claim anyhow. I don't think it's a real thing. People are happy to believe lies that support what they already believe, but without that predisposition it won't work.

            What I am n

    • Firefox 157 is rolling out a major redesign"

      Exactly how is slightly more rounded tabs/address bar and some slightly different icons a "major redesign"? (It isn't).

      Han Solo (Blue Harvest) redesigned it, he's got some maneuvers [youtube.com]. :-)

  • by BitterEpic ( 10503015 ) on Tuesday September 29, 2026 @07:53PM (#66355890) Homepage

    At least on macOS, I've increasingly wished I could click the title bar without worrying I am clicking some arbitrary button. Originally title bars intentionally had dead areas so you could easily throw them around. While a compact mode is nice, I feel like it potentially makes this problem worse.

    I miss Linux where I could use sloppy focus and disable click to raise so this was a non-issue, but I have been pulled into the mac ecosystem for a while now..

    I've considered donating $5 a month to Firefox to suppor the browser, but the only options i see seem to support AI. In japan, you can't pay for relay or the vpn. There is the Mozilla Foundation you can donate to. There is also the option of paying for the MDN pro. As much as people like to pick on FF, people need money to eat and live.

    • They keep making changes I don't like, I'm not paying for them to make it worse. If I could pay only for them to make it better somehow I would do that. The performance is fine, the memory use is fine, the reliability is fine, but I really hate everything they are doing around them. If they would sell me the browser I want without all that crap done to it then I would pay for that. Otherwise it's a hard hell no.

    • by pla ( 258480 )
      I kind of agree it's increasingly annoying to find dead space on a titlebar, and I absolutely loathe Microsoft's use of the title bar to stick crap I have never and will never use. I don't search enough to waste half the title bar on a search bar, I couldn't care less who I'm logged in as, and "Saved to this PC" is nothing more than Microsoft flipping us off for having zero interest in automatically saving everything OneDrive.

      At the same time, I really do like using the title bar as a tab bar. It's a dec
  • by Anonymous Coward

    My userChrome is now 237 lines. Every few versions something new gets fucked up and more entries go in. What a waste of time for no reason.

    Before I started keeping the css file tabs were so bad they didn't even look like tabs and I literally could not discern which one was active. The rounded everything is so cartoonish. Please just stop.

  • by khchung ( 462899 ) on Tuesday September 29, 2026 @08:57PM (#66355966) Journal

    so they keep making UI changes for the sake of doing something to justify their existence.

    They wasted testing efforts on UI changes that could have used for fixing bugs and improving performance instead. This is an organisational problem of having the wrong talent mix in the team, and management that lacks vision and sense of responsibility to make corrections.

    • by Archfeld ( 6757 )

      UX designers don't have anything to do. Standards have been established and nothing has changed enough to warrant new ones. They just keep dicking around in circles because they have low self esteem knowing their job is frosting, and not the good cream cheese kind but the high fructose garbage.

    • by gweihir ( 88907 )

      Yes. People doing meaningless changes to generate work for themselves. Thys typically makes a product worse.

    • Did they really waste resources that could have been better used elsewhere? If there is a dedicated UI team, they were keeping busy doing their own thing while other teams worked on bugs and performance with their own resources. I'd want to know about that before accusing them of blowing time and money on making things slightly rounder instead of making them work better. Though that still leaves the question of whether or not they need a dedicated UI team at all instead of more people working on memory u
  • Besides the new IT guys?
    I absolutely HATE changes in Apps I use daily.

  • Just stop. (Score:5, Interesting)

    by Spazmania ( 174582 ) on Tuesday September 29, 2026 @11:26PM (#66356112) Homepage

    My windowing system has a theme. One I'm comfortable with. Please use it and stop going off and doing your own kooky thing.

    • by gweihir ( 88907 )

      Na, that would be, IDK, "sane"? "Sane" is not done when you have to hide the absence of any real improvements.

    • You're infringing on my software's branding with your theme! AHHHHHHHH

    • Re:Just stop. (Score:4, Insightful)

      by The Asylum ( 149817 ) on Wednesday September 30, 2026 @08:31AM (#66356610)

      My Firefox on Linux has a system title bar which I can double-click to windowshade (just have the titlebar visible, no actual window.) I can click the downarrow button to get the menu that lets me pin the window to all workspaces, or keep it above all other windows.

      It has a File / Edit / History / Bookmarks / Profiles / Tools / Help menu below the title bar.

      It has square cornered tabs, positioned above the browser window, not above the URL bar.

      It has a URL box and a search box - the search box lets you select which search engine to use.

      It pays attention to the system theme, so the scrollbars are wide and permanent, and the edge is more than 0.01 pixels wide so I can actually grab and resize the window. (Anybody who likes tiny edges and disappearing UI elements has never had to use these things on remote connections with rescaled windows - it's all too possible for a screen edge to get scaled away completely, or there not being a trigger point to unhide the magic missing scrollbar.)

      I'm running MX with XFCE, have the compositor disabled and the GTK NOCSD library installed - that banishes _most_ of the absurd "I wanna make my own window decorations that don't do what _you_ expect!" BS from Firefox and other moronic software UI developers.

      Every few FF updates, I have to go get new User Chrome to put the tab bar back where I want it.

      All in all, my Firefox window looks and works a lot like Netscape did, which is fine.

      At least there's still a bunch of mechanisms in FF to make it work the way I want it to.

      - Old man yelling at Clods.

      • Oh my god, you have square corners? YUCK! What the hell is wrong with you? Get with the times caveman, it's all round now. Sharp corners can tear up your desktop and cause cancer, everyone knows that.

        F-ing troglodyte.

  • And calling them "advancement".

    Please, make instead FF so slim that it can still run on 10+ yo hardware and display it correctly. Rounded corners are to me just a freaky useless thing. Resource hunger is a serious thing.

  • by Ben Esacove ( 22025 ) on Wednesday September 30, 2026 @01:45AM (#66356232)
    Go to about:config, search for browser.nova.enabled, set it to false. May need to restart the browser afterward.
    • by allo ( 1728082 )

      What do you think how long they keep that switch? They removed even minor convenience features like clickselectsall in the address bar (i.e. disabling that clicking the current URL selects the whole line).

  • Doesn't Apple hold the patent on round corners? God I sure as hell hope so.

  • Sounds to me like some cosmetic changes and that is it.

  • Seriously, does anyone care about the seemingly hundreds of minuscule UI and/or logo redesign polishes firefox has been doing?? Does anyone even use themes?

  • by CptJeanLuc ( 1889586 ) on Wednesday September 30, 2026 @03:17AM (#66356344)

    TL;DR: I like my Firefox, it does the job for me across my various devices with no annoying bells and whistles that cannot be easily disabled, nothing changed for me with this update, I am perfectly happy with updates that don't break anything. Don't understand why anything Firefox related seems to always trigger a stream of negative comments on /.

    Saw the Firefox article, thought I'd click to check whether comments are as negative as they always seem to be whenever Mozilla does anything, and sure enoug, they are. So I will be that guy who says I'm happy with Firefox, it mostly just works, it syncs nicely between my devices, there is nothing truly annoying that I haven't been able to easily disable, it costs me exactly nothing so value vs cost is amazing, and I get some satisfaction from getting some of my software from an underdog instead of yet again supporting the biggest global megacorporations of the world (not a fanatic, they all get plenty of my money some way or the other). I installed this update people seem to be complaining about - nothing really changed, I dug out the compact option from setting, tried it and realized I could get one more line of text in my main window, realized that currently I liked the default tab size better, and changed it back for now. And after that, I can just get back to work, with a browser that is not getting in my way, and it just works.

    I wonder how many of the people who make the constant negative comments about Firefox, are actually Firefox users. If one is so annoyed, one should have switched to an alternative browser by now, there are plenty options out there.

    • by MikeS2k ( 589190 )

      I use Firefox and am happy with it (I like the plugins and the fact it's not MS or Google) but I can't deny looking at the new screenshots, this new version looks like ass. Didn't designers get the memo that computers shouldn't ape phone design when Windows 8 bombed?

  • Maculopathy called., and want solid colors back, no gradients.

  • Firefox is less reliable and compatibility tested than Chromium at this point, by a wide margin. There are lots of missing standards that Firefox hasn't implemented, many deliberately due to misguided "standards positions". This all leads to enterprises standardizing on Chromium. Also Firefox has not enough people (or AI agents) triaging the increasing backlog on Bugzilla. (I have reported lots of bugs and they have languished for years in many cases). Instead of coming up with slick marketing (I've seen th
  • I'm fed up, Firefox (and in a smaller way, Thunderbird) are redesigning way too many UI objects.
    To the point were interactions with desktop environment is compromised.
    Please respect the Linux Desktop Environments, whichever they are, all of them, let the Window Manager decorate the Firefox window(s), don't mess with users choices.

    No, not being the only one doing that (I see you, Discord, for example) is not an excuse.
    We don't want one look & feel per application.
  • For those on Firefox that aren't keen on the new Nova redesign, it can be disabled:

    In your address bar, type `about:config`, acknowledge the warning, search for `browser.nova.enabled`, and then set it to false.

    IMO, Nova is far too loud; I need my browser UI to be background noise.

  • Basically, Mozilla was chasing the newness of tablets like a dog chasing squirrels, when the took out the compact mode, and replaced it with Touch mode. I don't know why they couldn't have left both in. Anyway, thank you Mozilla for eventually doing the right thing. Perhaps someday, we will really have privacy, and maybe even we will have Scrapbook working, just like it was, because it was the most useful web-research tool ever made, and that is why Mozilla tried and failed to copy it with Pocket.
  • I didn't see them put out a post to ask USERS what WE think of the FUCKING CHANGES?

  • ...and the upper pulldown and the lower menubar select should not be rounded as it disconnects the ideas where the menu bar and the pulldown connect.
  • Oh, no, the last 750 incompatible UI changes were no good. We have to change the UI again, tout de suite.

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