Mozilla Thunderbolt

(thunderbolt.io)

213 points | by dabinat 3 hours ago

36 comments

  • drzaiusx11 1 hour ago
    For anyone reading this that has worked on the launch of this new product (or the many others of their ilk throughout the years) under the various Mozilla orgs, I mean no disrespect, however I feel it's important to not mince words these days..

    I implore ANYONE at Mozilla org to please, please stop working on projects distracting from the complex and necessary work of browser and web standards stewardship. That alone should be the very reason for your continued existence if you have any. Focus on anything outside that purview will lead to the furthering of the, already painful and readily apparent, stagnation of your browser and our standards bodies as entities distinct from corporations.

    Ditching any direct financial ties to Google or any other browser vendor is both important and necessary at this point, as this clearly represents a conflict of interest in your overall mission.

    The web as a platform should belong to us all, not just the few corporate leaders of the day. I've watched in real time, saddened by the persistent errosion of our commons that is the web. I see it becoming nothing more than a corporate playground should trends continue, if it's not already too late. There may have been a time when your mission took precident over product launches of seemingly unrelated domains, but that is not what Ii observing today.

    I think I speak for many in the community in these regards (please correct me if not the case.)

    • derf_ 7 minutes ago
      These two goals:

      > ... please stop working on projects distracting from the complex and necessary work of browser and web standards stewardship.

      > Ditching any direct financial ties to Google or any other browser vendor is both important and necessary...

      are inherently contradictory. If do not want Mozilla to have revenue from search vendors that also have browsers, it has to come from somewhere else. Or are you suggesting they switch the default search engine back to Yahoo [0]?

      I am not trying to defend the projects they have chosen to work on, but you have to understand that reducing dependence on Google is exactly why they are working on them [1].

      [0] Even when they did that, it was for the US only, and Google was still the default for most of the world.

      [1] Although in this case, this appears to come from the Thunderbird organization, so unrelated to the browser. Money is fungible, though.

      • manfredz 0 minutes ago
        There are plenty ways to fund digital commons, including people volunteering their time.
    • time4tea 44 minutes ago
      Firefox is pretty cool. Use it every day.

      Blocks ads Multi account containers Dev tools very good

      I never notice that it is in any way slow, except for those sites that need infinity cpu on any browser, like jira.

      What specifically is the issue? To my mind it quietly just gets on with things.

      • drzaiusx11 31 minutes ago
        It is very cool! I'd go as far to say it's a great browser in fact. I simply want it to exist and be such in perpetuity and lead by example like it has in the past. I see it as a follower instead of a leader these days, largely to Google, but also Safari and to some degree Edge (by simply stealing the blink renderer)

        The Mozilla org continues to produce a very capable browser, but it's now 3rd or fourth fiddle on a stage their misteps helped orchestrate in their demotion.

        Edit: clarification

      • giancarlostoro 26 minutes ago
        I use it daily, but Chromes dev tools are better. I always wind up back in Chrome to debug things.
      • VerifiedReports 30 minutes ago
        Here are a couple:

        1. The inability to set a specific page for new tabs to open on. That is ridiculous.

        2. The mobile version sucks, specifically because bookmarks are buried under an absurd number of menu levels. And they're also broken up (without user approval or any way to stop it) into "mobile" and "desktop" bookmarks. WHY? The entire point of syncing is to have them all the same.

        I want to like Firefox. I went back to Firefox for the first time in decades last year and gave it up after a couple months because #2 was that annoying. So brain-dead.

        Oh yeah, and another one was that "never remember history" does, in fact, remember history. What Firefox really does is "stop adding to history." And the bug report on it resulted in several YEARS of debate over how to "fix" it. The latest I saw is that they're actually NOT going to fix it, but rather add more text (somewhere) to say basically, "This doesn't do what you think it's going to do."

        If fixing a defect like that requires years of committee back-and-forth, the product is finished.

        • saghm 2 minutes ago
          > The inability to set a specific page for new tabs to open on. That is ridiculous.

          I've been using the "New Tab Override" extension for almost a decade at this point. Sure, it would probably make sense to have as a baseline feature, but I installed it so long ago and it's continued working the whole time that it's not really something I think about anymore.

      • fooker 16 minutes ago
        [dead]
    • ryukoposting 1 hour ago
      > already painful and readily apparent, stagnation of your browser

      What's wrong with Firefox? There are several things Firefox does that it's annoying to live without in other browsers (video pop-outs, competent ad blocking, etc). Is there some core feature that's missing? I'm subjected to Edge at work and I couldn't tell you a single thing it does that I'd want FF to do.

      > and our standards bodies as entities distinct from corporations

      Ok, I buy that.

      • thayne 4 minutes ago
        Yes there are things that Firefox does better than others, and that is one reason I use Firefox. But there are definitely things I would like to see improved, like:

        - PWA support on Linux

        - better performance

        - devtools should be able to handle sites with large amounts of js with sourcemaps

        - fix a number of bugs that have been open for a long time

        - don't lag behind standards as much (I'm not talking about things where they intentionally don't implement problematic "standards" pushed by google)

        - make it feasible to embed gecko in other projects similar to how chromium is used by electron and webkit is used in "webviews"

      • Neywiny 45 minutes ago
        Web usb and serial are not just missing, last I checked Mozilla is opting to not implement based on their moral stance. It just puts them behind for some stuff.
        • balloob 41 minutes ago
          WebSerial just landed in Firefox nightly! https://bsky.app/profile/paulusschoutsen.nl/post/3mjfdx3ujta...
        • yjftsjthsd-h 28 minutes ago
          > It just puts them behind for some stuff.

          Yeah, it really undermines their ability to compromise user security and privacy.

          • galangalalgol 14 minutes ago
            Essentially all of Firefox' incompatibilities with a website reduce to Firefox not allowing the users to be tracked or fingerprinted by default. Webapps that rely on fingerprinting as a replacement for device tokens will likely not work. Because fingerprinting is bad and I don't want it to work. The people your bank pays to implement that are the same companies used for cross site tracking. It only works because tracking works. ReCaptcha can break for similar reasons, but there are better options for captcha and the need for captcha itself is possible to eliminate with various strategies depending on what it is being used to mitigate.
          • realusername 19 minutes ago
            There's a lot of good use-cases of Web usb, you can't just cut everything which might have privacy aspects otherwise the browsers wouldn't have canvas or even gpu rendering.
            • galangalalgol 10 minutes ago
              What are those use cases? It seems like a giant hole punched all the way from a tab's sandbox through the process boundary and out to the kernel... Yes, gpu rendering is a great example of the same problem. Canvas at least has some intervening layers depending on implementation.
              • realusername 6 minutes ago
                GrapheneOS for example can install with web usb, I think it makes it much easier for people who aren't too tech savvy to switch.

                Somebody also recently shared an awesome project which let's you use an usb printer regardless of your OS driver.

      • captn3m0 32 minutes ago
        Firefox on iOS still doesn't support extensions or adblocking - something Safari (and other browsers as well) do.
        • jampekka 12 minutes ago
          Firefox on iOS isn't really a Firefox because Apple doesn't allow alternative browsers. It's a Safari skin.
          • hutattedonmyarm 4 minutes ago
            Orion on iOS is also a Safari skin and supports extensions
      • Onavo 1 hour ago
        It's slow. It almost always trails Safari and Chrome on most benchmarks.
        • braiamp 1 hour ago
          How many milliseconds do you think this page took to render? I usually click and it's already done.
          • drzaiusx11 42 minutes ago
            HN is not the most complex website rendering wise by any imaginable metric. I presume HN renders equally as fast on lynx or Mosaic from 1994...
          • latexr 54 minutes ago
            HN is a fast site (comparatively; most websites are unnecessarily slow). It’s a bad measurement.
            • galangalalgol 6 minutes ago
              HN is a good website. Ebay is another good example where JavaScript is optional but with good functionality. Marko was mocked, but now Astro is cool because they invented ssr...
        • eipi10_hn 46 minutes ago
          I don't care about benchmarks.
      • latchkey 33 minutes ago
        I'm building a fairly complicated browser extension [0].

        Debugging the extension on Chrome, it works great. On Firefox, it is nearly impossible. There are a litany of compatibility issues that make it "different" than Chrome, despite the extension being very much standards based. It is really frustrating and makes me dread getting bug reports.

        To be fair, Safari is even worse and I haven't even touched Edge yet.

        As much as I'd love to have options in the marketplace, standards based compatibility between offerings should be a top line requirement.

        [0] https://oj-hn.com

        • galangalalgol 4 minutes ago
          The standards used to be there. Chrome decided they made ad blocking too easy and unilaterally changed the standard. Firefox is still on the standard. Chrome is what deviated, and while performance was improved, that was definitely not the motive.
      • drzaiusx11 58 minutes ago
        Some folks have already discussed this in sister comments to the one you're responding to, but it's a common enough hn discussion topic that searching will answer beyond that (better than I can regurgitate here.)
      • x0x0 58 minutes ago
        reddit tab, firefox: 428mb. same tab, chrome: 78mb.
        • mschild 45 minutes ago
          I get 80mb for reddit on firefox.

          That number can be down to any number of different factors on reddit itself. Having an autoplay video running, etc.

          • galangalalgol 0 minutes ago
            Firefox often groups tabs from the same site into one process. With large numbers of the same tabs open in both, check the total memory for all firefox processes and all firefox processes. You will likely find firefox actually uses less memory than chrome.
      • someguyiguess 1 hour ago
        It doesn’t support a lot of video formats that Chrome and Safari have supported for years (h265 is one I think. I’m no expert)
        • holowoodman 57 minutes ago
          h264 and h265 are patent-encumbered and therefore very expensive and/or dangerous. Patent trolls would rip Mozilla apart and eat all their money. The only reason H.264 works atm is that Cisco sponsors a plugin for that.
          • tux3 40 minutes ago
            H264 patents are finally starting to expire, all the known patents have already expired in Europe.

            As for HEVC, that particular licensing trash fire continues to burn bright. VVC had an opportunity to learn from the situation, and decided what they really wanted was a trash fire that burned even brighter.

            So, we might be stuck with H264 for a little bit.

        • dtech 49 minutes ago
          I don't event think h265 is widely supported. On Windows you have to pay separately for it
        • amlib 44 minutes ago
          Firefox has had support for h265 for a few months by now, they finally relented.
      • latexr 33 minutes ago
        > What's wrong with Firefox?

        It seems like every thread talking about Firefox always has someone asking that question, so if you search back you should find plenty of reasons. Unfortunately, it’s been my observation that valid and polite criticisms always get downvoted. I don’t understand why. It’s not like downvotes are going to make the problems disappear.

        Most of us would like Firefox to succeed, and it’s none of our faults that Mozilla is constantly neglecting it and going off on wild goose projects which get promptly abandoned.

        • jampekka 9 minutes ago
          I use Firefox on both Linux and Android for 99% of my web browsing needs. At least for me it's the best browser out there, and doesn't seem neglegted at all.
        • fmbb 7 minutes ago
          Upvotes are not going to make problems actually relevant to solve.

          The question keeps getting asked because people say they have problems. Answers (if any come) tells everyone what the problem is for this one user that raised it.

          In aggregate we can all see that the problems are not very real for the vast majority of users.

          The biggest problem users actually face with using Firefox is that web devs don’t want to support more than one browser and they have picked Chrome now. Or IT departments have blessed one and only one browser on corporate machines and it is the one most corpoware developers build extensions for.

          Chasing web standards is a second order problem and will not make the user experience better in a relevant manner for end users. If web developers want an open web, they have to work to support open browsers.

          Yeah the criticism is not invalid, but it is also often half-relevant soapboxing and I would wager that is why it tends to get downvoted.

    • maxloh 9 minutes ago
      Mozilla is doing exactly what you’re describing. They need revenue to ditch their direct financial ties to Google (and I wonder if they hire those high-salary executives solely in the hope of generating that revenue).

      These AI products, along with all previous failed attempts, are just them trying to gain enough revenue to remove that dependency on Google.

    • karrot-kake 55 minutes ago
      I agree that Mozilla is a breath of fresh air, and I am happy to see this extending to AI.
    • giancarlostoro 26 minutes ago
      I'm going to sound crazy, and I've said this on HN before, but I wish CloudFlare or someone who would truly appreciate the effort and investment, would buy out Mozilla and have them oxidizing the browser again. Firefox was at its best when they were going through that effort, and since they put a pause on it, Firefox has been so "meh" for many years now, and embedding things nobody asked for. A faster fully oxidized browser on the other hand would be loved by many.
      • ferfumarma 18 minutes ago
        I feel dumb, but what does oxidized mean in this context?
    • righthand 11 minutes ago
      The Mozilla employees are just Google plants. The web standards are now controlled by WHATWG who are all members of Microsoft, Google, Apple, and Mozilla and they are not interested in pushing standards forward or making browser improvements. They are only interested in ensuring entrenchment for their corporations. That’s why they created WHATWG. There is nothing any non-compromised Mozilla employee can do. The ship has sunk. Either someone hard forks Firefox or we continue down the current road.
    • ta8903 56 minutes ago
      I agreed with these posts a couple years ago but for the past year there have been a lot of meaningful improvements in Firefox.
      • drzaiusx11 46 minutes ago
        It has been my daily driver off and on again across the years since the Netscape code was open sourced and Mozilla as an organization was founded. It's a fantastic browser, but Chrome now owns the lionshare of the market as Firefox plays catch-up instead of leading like it did in the past. Memory isolation, etc never got the resourcing it needed to complete until it was apparently too late.

        I see Firefox now as the new Opera, a technically good browser making dubious extensions that no one asked for until it dies a slow, spiraling death. My plea is simply to not go down that road any further...

    • CivBase 1 hour ago
      I'm perfectly fine with Mozilla working on other things as long as those things are profitable or at least self-funded. As long as they are not leeching donated resources from Firefox or Thunderbird, I don't see a problem. However, I wish I had some kind of assurance that the money I donate to Mozilla would go to Firefox and not some other project like this.
    • eipi10_hn 45 minutes ago
      Yeah, you don't speak for me.
    • ojubknobugh 1 hour ago
      I agree with the sentiment, but it’s hard to agree fully with anyone seeming desperate.

      This reads like a kid trying to give business advice to an adult. “You could do THIS, then THIS, it would also be cool if you did THAT but please don’t do THAT!!”

      C’mon now.

      • drzaiusx11 1 hour ago
        Mozilla should not be a business, full stop.

        The fact that is being run like one, albeit poorly is exactly the problem.

        I don't think you realize the irony in calling my post childish here. "C'mon" I guess?

        • singpolyma3 25 minutes ago
          Maybe they shouldn't be, but they are. As a for profit corporation with employees they are very much a business not just "run like one"
        • kgraves 53 minutes ago
          How would Mozilla replace the $500M a year from Google to not be a business?
          • drzaiusx11 34 minutes ago
            Myself and I believe many others are willing to put money where our mouths are for an organization leading by example with regards to stewardship, much as this org has done in the past prior, instead of all these continued distractions, and ESPECIALLY if they stop swallowing this poisonous "donation" from Google. The fact that they do makes me wary of sending them a single penny. They'll just keep doing shit like they have been in recent years...
            • Ethee 24 minutes ago
              I can understand where you're coming from, but this seems a little misguided. Are you personally trying to pledge at least 1 full devs salary to Mozilla in exchange for less AI products? At the end of the day this really comes down to the money. If you want Mozilla to do the things you say you want from them, they need more than donations. Good will doesn't build a browser, that shit's expensive. It's like you're asking for a games studio to just give you an MMO out of the goodness of their heart for a few scraps from people who support their mission. The world doesn't work that way, without products like these I imagine Mozilla wouldn't be around much longer in the way you describe considering most of their salaries are paid directly by that 'poison' you describe.
            • bloppe 14 minutes ago
              The foundation never gets more than 10M / year in donations. You really think their donation rate could possibly go up by more than 50x just by cutting ties with Google?
  • anildash 2 hours ago
    Addressing the usual few complaints folks always bring up:

    * This is from the separate independent team that works on Thunderbird, not Firefox, so there isn't any resource contention happening there

    * Thunderbird is revenue positive, and this potentially gives that team another revenue stream to be even more self-sustaining through charging companies

    * Businesses definitely want to control the AI they're using (especially with RAGs of their own data) instead of just throwing it at their LLM vendor and hoping for the best

    People on HN are fond of asserting that their own POV is the only one. Imagine that there is such a thing as a person in charge of choosing technologies for organizations, and that you're such a person. That's who this is for.

    • PaulHoule 48 minutes ago
      It's a crazy crowded space. Any entry into this field looks like a "me too" product driven by FOMO instead of being motivated by (a) serving customer needs, (b) serving social needs, or (c) making money. (All of which are fine with me) It will get 0.5% market share -- and I'm supposed to get excited?

      If you lived in New York City you might think there are Duane Reades coast-to-coast but there are not. If you are based in the Bay Area you see billboards that are very different from anywhere else. I'd say the viewpoint is a lot like this famous artwork

      https://en.wikipedia.org/wiki/View_of_the_World_from_9th_Ave...

      but maybe instead of the rest of the US being 1/5 of the vertical space it is 1/25 of the vertical space. Problem is most customers do not live in the bay area and most web browser users do not live in the bay area and most web developers do not live in the bay area. Based in the Bay Area they can hop in their cars and drive the longest 40 miles in America to get to Google and Facebook's headquarters so Mozilla is talking to those people all the time and not talking to the rest of us.

      We don't get costly signalling to show they care about the rest of us, we don't even get cheap talk.

      They probably think René Girard is deep because they are surrounded by people who think René Girard is deep. If Mozilla wants to be relevant and not just an also-ran it needs to "think different" like the other 99.9% -- it's not that hard if you change your location.

      Really the EU needs to apologize for those damned cookie popups and invest in a privacy-first browser. Whether that is "fully fund Firefox" or "fully a fund a Firefox fork" or pick up another browser engine or start a new one.

      I see the warning lights flashing: a few years back web sites that didn't work with Firefox were few and far between, this weekend I bought tickets for a comic book convention and they took my money but didn't give me a ticket because the site didn't work with Firefox. I use Firefox as my daily driver so all the projects that I work on work with Firefox; the rest of my team doesn't give a damn and if you lose me another site will become Chrome-only.

    • CamouflagedKiwi 1 hour ago
      > Businesses definitely want to control the AI they're using (especially with RAGs of their own data) instead of just throwing it at their LLM vendor and hoping for the best

      Yes, agreed on that. I'm not sure I'm clear how this really helps that; I suppose it's a frontend that they don't have, but there are a bunch of those already.

      It doesn't seem to help them control the _actual_ AI, i.e. the model, which still has to come from somewhere.

    • afandian 1 hour ago
      It goes to show that Mozilla(s) could, if they really wanted, restructure Mozilla Corporation / Foundation.

      (edit - to allow users to fund Firefox, allowing us to better sleep at night, and to align our incentives)

    • 440bx 39 minutes ago
      Can the team please use that money on making thunderbird look like the nice UI mockups that were published that don't look anything like thunderbird.
    • drzaiusx11 1 hour ago
      I see no reason this product should exist even under the Thunderbird umbrella, especially if ANY resources under ANY Mozilla org were employed in this. This product is a distraction from their core mission in either case.
    • tux3 2 hours ago
      >Thunderbird is revenue positive

      Hmm, I thought the for-profit Thunderbird pro hadn't launched yet?

      I know Thunderbird is for profit, but what are they profitting from without the paid service, and how much of that profit is going into this unrelated Thunderbolt AI platform, exactly?

      • abdullahkhalids 1 hour ago
        Thunderbird currently runs entirely on donations, even though they have paid products in the pipeline.

        I think a piece of software running on donations is not running off "charity". It's just a business model to not charge every user. Similar to how Twitch streamers operate, or my local theater group.

        You can read how they spent money in 2024 [1].

        [1] https://blog.thunderbird.net/2025/10/state-of-the-bird-2024-...

        • tux3 1 hour ago
          Thanks, that's helpful. This says about ~70% of the money was paid to employees, ~10% infra costs, the other ~20% various other fees and smaller expenses.

          It would be interesting to have a breakdown of what part of the Thunderbird team is working on Thunderbird, Thunderbolt, or other forms of thunder.

        • ryanleesipes 1 hour ago
          No, this was built with money from an grant from Mozilla.
        • badgersnake 1 hour ago
          Wait what, they took donations to pay a team to build a mail client and had them build an AI thing instead? Or have I got that wrong.
          • ryanleesipes 1 hour ago
            No, this was built with money from an grant from Mozilla.
    • LandoCalrissian 2 hours ago
      Thunderbird was literally asking for donations just a few days ago?
      • ryanleesipes 1 hour ago
        This was built with money from an grant from Mozilla. See the bottom of this page: https://www.thunderbolt.io/announcing-thunderbolt
      • Wolfrich 1 hour ago
        it is a patreon style thing, they are donation funded. I think the poster is saying that they arent being frivolous with their money like some people have a bad taste about firefox
      • eipi10_hn 1 hour ago
        And?
        • bakugo 1 hour ago
          And they're taking money donated towards Thunderbird development and spending it on random unrelated AI slop ideas that nobody asked for. You really don't see anything wrong with that?

          Surely you can agree that when you open Thunderbird and are met with requests for donations, if you chose to donate, you'd expect that money to be invested in Thunderbird development, and not 10M Claude tokens to vibe code Mozilla's latest groundbreaking AI B2B SaaS idea?

    • monooso 1 hour ago
      Just for clarity, you do mean Thunderbird (the email client), not Thunderbolt (this new AI client)?
    • bakugo 2 hours ago
      > Thunderbird is revenue positive

      Is that why I'm met with a splash screen asking me to donate every time I start Thunderbird? Is this another Wikipedia situation?

      • rothific 1 hour ago
        I think that wasn't phrased well- it's "revenue" positive meaning donation money covers more than the expenses
      • godelski 1 hour ago
        You think that just because the software can be downloaded for free means the developers shouldn't get paid for their work?
  • spudlyo 2 hours ago
    Chrome on Linux is ~1.47 times faster than Firefox on the Jetstream 3 benchmark as recently reported by Phoronix[0]. That's how we want you to spend the money Mozilla, keeping up with your well-funded rival Google, and making it so we don't end up with a browser monoculture. These sorts of distractions just piss me off, and are not part of your core mission.

    [0]: https://www.phoronix.com/review/firefox-chrome-2026

    • exceptione 55 minutes ago
      I remember that Firefox is orders of magnitude more performant in css processing, especially for complex documents with many elements. Can't comment on the javascipt interpeter, so I assume firefox is losing points somewhere else outside the screen painting engine.
    • p-e-w 1 hour ago
      Firefox has many weaknesses, but I never once thought “man, that thing is slow”. It isn’t, and chasing benchmark numbers is a waste of effort. A better security model or deeper customizability would be far more valuable.
      • Zardoz84 1 hour ago
        The fact it's that for a normal usage, Firefox with uBlock Origin it's faster that Chrome without ad blocking. On Android this is especially noticeable.
        • Barbing 1 hour ago
          I wonder how much slower Firefox would have to be to invalidate the mental health gain not imagining every single keystroke going directly to Sundar.
    • eipi10_hn 1 hour ago
      Why is this related to Firefox?
      • JCTheDenthog 1 hour ago
        Because Mozilla is wasting money on something other than their core product, once again.
        • eipi10_hn 54 minutes ago
          Thunderbird is under MZLA Technologies Corporation, their money and resources are unrelated to Mozilla Corporation, who pays money for their Firefox.
          • spudlyo 20 minutes ago
            I’m not sure if it’s accurate to describe a “wholly owned subsidiary” as unrelated.
    • ramon156 2 hours ago
      Ladybird soon™
      • panzi 2 hours ago
        Not nearly soon enough. But yes, there is hope. Far away hope, but still.
    • clumsysmurf 1 hour ago
      And regarding (memory) performance, chromium has the "memory saver" settings for unloading tabs. I don't understand why mozilla thinks its acceptable to require users unload tabs manually. Who even does that?
      • Erenay09 1 hour ago
        I use the about:memory tab whenever I need to clear some memory. However, it can't unload tabs.
    • whalesalad 1 hour ago
      [flagged]
  • crazygringo 1 hour ago
    Wow this is a confusing name.

    At a glance it looks identical to Mozilla Thunderbird, but has nothing in common.

    And then of course it's also the same as a well-known hardware interface.

    I know it's hard to come up with names and pretty much everything is used by something else, but this seems particularly bad.

    • Hamuko 31 minutes ago
      >And then of course it's also the same as a well-known hardware interface.

      The cherry on top is that the domain is thunderbolt.IO. No other TLDs to pick from?

    • grandpoobah 6 minutes ago
      I mean there's already an established theme... how hard can it be?

      Fire-fox

      Thunder-bird

      River-wolf

      Stone-raven

      ....

  • einr 2 hours ago
    120k LoC of probably largely vibecoded nonsense for a window with a text box and a button that lets you send and receive some data over a HTTP API.

    Their Thunderbird for iOS repo is 34k lines.

    I'm so very tired.

    • dralley 2 hours ago
      >120k LoC of probably largely vibecoded nonsense for a window with a text box and a button that lets you send and receive some data over a HTTP API.

      "I will make loads of assumptions without checking so that I can invent reasons to get mad"

      Note that about 30,000 of those lines are JSON files for localization and testing, as one example.

      • einr 2 hours ago
        How much UI text does this thing have that it needs thousands of lines of localization? Where are these files?

        Especially curious because I see a whole lot of hardcoded english text in there…

      • mzajc 1 hour ago
        22,056 is not about 30,000. Per scc:

          Language      Files     Lines   Blanks  Comments     Code
          ─────────────────────────────────────────────────────────
          TypeScript      760    109110    14500      7397    87213
          JSON             41     22056        6         0    22050
          Markdown         56      7150     2086         0     5064
          YAML             33      3965      406       208     3351
          ... and many more with fewer than 1k lines
        
        Regarding "loads of assumptions," it's hard to tell how much of this is vibecoded slop (definitely non-zero looking at the commit log), but I don't think it's that outrageous to claim 87k sloc is too much for a textbox and an API wrapper.
      • stonogo 2 hours ago
        Are you arguing that 90k LoC for a window with a text box and an overengineered textarea tag is somehow more acceptable than 120k?
      • glitchc 57 minutes ago
        That's still an immense amount of code for a chat interface essentially consisting of a text box and a button, which any OS (mobile or desktop) can usually throw up in a few lines of code.
    • rothific 1 hour ago
      Hi, I'm on team that worked on this. No it's not vibe coded. We do pretty intense code review of every PR. It looks like the number you're seeing is including lock files and artifacts that are not part of the core coverage.
      • einr 29 minutes ago
        Fair enough if it’s not vibe coded, I’ll take your word for it. Code review seems like it’s mostly bots (Claude, Cursor, Greptile) from the PRs I looked at?

        Nevertheless, AI use is not what really stood out to me. It’s that it’s SO MUCH CODE. I have no idea how you guys maintain or reason about the quality or security of something like this. Good luck, I guess.

    • ChrisRR 1 hour ago
      Maybe you wouldn't be so tired if you didn't make assumptions of things to be mad about
    • Insimwytim 12 minutes ago
      On the bright side - it doesn't load without javascript ...in Firefox...
    • yieldcrv 47 minutes ago
      What fatigues you about this observation?

      Would recommend exercise

    • maelito 2 hours ago
      Wait what ? Did you include libraries imported by NPM in this count ?
      • einr 2 hours ago
        I don’t think so. I just used a public GitHub LoC counting tool directly on the repo, there are a few.

        https://ghloc.vercel.app/thunderbird/thunderbolt?branch=main claims 141k and most of it is Typescript.

      • Tade0 2 hours ago
        I imagine that would bump that number to milions.

        I just checked one old take home task in Angular I did last year and the total number of lines is over five million over 35k+ files.

  • wolvoleo 2 hours ago
    Curious name choice, that's clearly encumbered by other trademarks.

    Also, my impression is: yay another AI front-end. What does this one differently that the other thirteen in a dozen don't?

    • benoau 2 hours ago
      > What does this one differently that the other thirteen in a dozen don't?

      Mozilla's a lot more trustworthy with privacy and data, and they're unlikely to sell the project to someone who only wants to stuff it full of malware/adware/crypto stuff - or do it themselves.

      • BowBun 2 hours ago
        I'm somewhat a fan of Mozilla, but their weak governance with regards to actual plans for the future, a couple of questionable partnerships, and the graveyard of products makes it hard to trust based on a 15+ year-old reputation. Would love to see where Mozilla has meaningfully contributed to the modern tech space (things we all actually use, not Mozilla versions of more popular apps/tools)
        • bryanlarsen 2 hours ago
          But despite that, Mozilla is still far more trustworthy than virtually everybody else. Who would you trust more? I imagine it's a very short list. Which is a sad state of affairs.
          • balamatom 41 minutes ago
            >Who would you trust more?

            Nobody I'd mention on Hacker News!

      • EastSquare 1 hour ago
        I worked in Mozilla previously for like 5-6 years. I think the supporter of Mozilla is a lot more trustworthy with privacy and data, but not Mozilla itself... I think they claiming that they do this and do that, but actually speak louder than action. My personal takes from the upper management is also not that good.

        If you were not working with Mozilla Asian area, you know far too less. They had a browser in China that redirect to different website for profit before every connection and some affiliation. By doing so, is it privacy or not? Oh, look at Mozilla Japan volunteers, they shut everything up because things went wrong.

      • Hamuko 37 minutes ago
        How much of that privacy matters when you're connecting it to third-party agents/models?
      • imiric 2 hours ago
        This Mozilla?[1] The company whose 85% of revenue depends on an adtech giant?

        They're certainly doing better than others in this space, but their track record does not inspire confidence for anyone concerned about their privacy and data.

        [1]: https://en.wikipedia.org/wiki/Mozilla#Controversies

        • baal80spam 2 hours ago
          [flagged]
          • dralley 2 hours ago
            Coughing baby vs. atom bomb
        • Wolfrich 1 hour ago
          that is the firefox groupn not thunderbird. Diff bro
    • Barbing 58 minutes ago
      Are they allowed to reuse Thunderbolt when it's already taken in the same industry?
    • rob74 2 hours ago
      ...and also differs in just three characters from another Mozilla product.

      "I'm using Mozilla Thunderbolt."

      "Huh, do you mean Thunderbird?"

      "No, Thunderbolt!"

  • CamouflagedKiwi 1 hour ago
    What even is this? A chat frontend to arbitrary model providers on the backend - I guess that's sort of useful not to have to build yourself but it doesn't feel like the amazing thing they're trying to hype. Some of the features seem a bit weird to me too - like end-to-end encryption? There isn't a server intermediary, so you already have that with TLS to the model provider.
    • seabrookmx 23 minutes ago
      Yeah it seems similar to Gemini Enterprise. There you can deploy "apps" (basically front-ends) on top of the LLM that come pre-configured with plugins to access Google sheets, Databases, your Jira boards, etc.

      So all this is doing is adding context for the LLM and some persistence.

      I have yet to see a compelling use case for Gemini Enterprise at my company but we're still experimenting with it.

  • gib444 0 minutes ago
    [delayed]
  • pmontra 56 minutes ago
    The Get Started button links to a contact form. That's unexpected. I looked for the source code repository and thanks to somebody here that hinted at it as a Thunderbird project, I found [1]. That's a better Get Started page.

    [1] https://github.com/thunderbird/thunderbolt

  • IFC_LLC 23 minutes ago
    This was the MOST confusing release I've seen in years.

    Okay, it took me some time that the mail client is called "ThunderBIRD", not the BOLT. Not that I've used it much. But why the logo in github still shows TunderBIRD?

    It looks like Mozilla is trying to catch the band wagon for no particular reason. They don't need it AT ALL. But they just jumped in along for a ride.

  • ssalka 42 minutes ago
    I immediately thought "oh, the email client? It's AI now?" Then I realized this is Thunderbolt, not Thunderbird. Kind of an odd choice by Mozilla to have two products with such similar names.
  • soapdog 3 hours ago
    oh mozilla, why don't you just focus on Firefox. That is all we want.
    • dralley 2 hours ago
      People "want" a lot of contradictory things. People "want" them to be less financially reliant on Google, while also "focusing" on a browser in a market that is entirely commoditized and subsidized by 3 of the 10 largest companies in the world - and having a wholly implementation independent browser engine when it's so massively difficult and capital intensive that even Microsoft gave up on it.
      • pier25 1 hour ago
        Having the best browser should be Mozilla's first priority.

        Investing on AI is not going to make them less financially reliant on Google.

      • eesmith 1 hour ago
        I want them to actively seek foreign sovereign tech funding which come with stipulations that commit Mozilla to certain levels of privacy and anonymity.

        I want them to go cap-in-hand to other countries and say "if you don't fund us then you are letting the US and surveillance capitalism get between your citizens and their government" and "do you really know what Chrome is doing with your data?"

        I don't want to pretend they are simply part of a browser marketplace, but rather have them realize they are part of a civil rights effort, with powerful non-market forces they can ally with.

        And I want those governments to commit to progressive enhancement guidelines like https://www.gov.uk/service-manual/technology/using-progressi... so new alternatives like Ladybird can start, and further require their agencies to test on a Firefox branch with no AI, no location tracking, full ad-blocking, etc. because while the market is free to ignore certain non-profitable users, a government should not be allowed to ignore some of its citizens.

        I don't see a contradiction there.

    • maxloh 20 minutes ago
      Mozilla needs money to support the development of Firefox (and the payroll of its high-salary executives).

      For now, they mainly rely on Google for that money. Google pays them to avoid antitrust cases, to show the courts that they are not a monopoly and that "alternatives" exist. For example, the DOJ once proposed that Google be forced to sell off Chrome.

      However, if another entity has control over your budget, they also have control over your product. If Firefox becomes "too good" to be a true competitor in the consumer space, the funding might be reduced or even cut off.

      Creating a new source of revenue allows Mozilla to improve Firefox even beyond the point Google feels "comfortable" with.

    • roryirvine 2 hours ago
      This is from MZLA Technologies, so is a sister product to Thunderbird rather than Firefox.
      • SV_BubbleTime 2 hours ago
        OK, but does Thunderbird have flawless exchange support yet? Can I replace Outlook with Thunderbird for our 365 accounts? Does Thunderbird have UI that is welcoming and modern?

        Does a dollar go from Marla to MZLA? Are those dollars not fungible?

    • data-ottawa 2 hours ago
      I agree with you, there are 1,000 different chat apps and just one Firefox. And the world needs Firefox more than it knows.

      It looks like they might want to get into hosting/selling services to users on this.

      From the FAQ:

      > Is there going to be a hosted version if I don't want to deploy it myself? > Yes, we are planning to launch Thunderbolt for regular users but we do not have a release date yet.

      • dralley 2 hours ago
        There is "only one Firefox" but Firefox exists in a market that is not just commoditized, but subsidized to the tune of billions by 3 of the 10 largest companies in the world.

        The world may need Firefox but it's funny how people complain about Mozilla's dependence on Google while also complaining about every attempt to become more financially independent from Google.

        • techjamie 1 hour ago
          They could start getting some of that goodwill back by not paying their CEO a multi-million dollar salary and opening donations to actually help fund Firefox.
    • stormed 2 hours ago
      The anti-trust lawsuits with Google have Mozilla realizing they can't just be a company kept afloat by Google. Mozilla's priorities have been pretty complacent, basically just maintaining Firefox, sometimes Thunderbird, and a couple side services that have little financial incentives.

      The current state of Mozilla is pretty odd since they rebranded to make it more apparent they're a non-profit, while also attempting to become more profitable pushing out new products and services.

    • eipi10_hn 1 hour ago
      Why is this related to Firefox?
      • rothific 1 hour ago
        It's not. Mozilla has been more than Firefox for a long time.
    • gianthard 2 hours ago
      RIP Firefox OS
    • SV_BubbleTime 2 hours ago
      If this is correct and Firefox is now 2.3% opposed to Samsung Browser and Opera both at 2%… it’s pretty much over.

      https://gs.statcounter.com/browser-market-share#monthly-2009...

      As a former Netscape user… I think it’s almost masochistic to remain on Firefox as it’s rewarding a company that mismanaged its only product into the ground. And for what? What is the amazing thing Mozilla did at the expense of Firefox and donating the direction of internet technologies to Google?

      The executives got to attend a bunch of fancy gallows, and Pat themselves on the back?

      • lurkshark 1 hour ago
        By that logic wouldn’t it be pretty much over for Mac OS as well?

        https://gs.statcounter.com/os-market-share

      • Kye 2 hours ago
        Firefox started at 0% when IE was more dominant than Chrome is today. Nothing is certain.
        • SV_BubbleTime 1 hour ago
          Firefox hit a peak of 32% and has fallen ever since. Effectively Firefox crashed at the same time IE did, and I can’t see in what way Mozilla ever attempted to recover.
      • Wolfrich 2 hours ago
        What the heck are you talking about? This is from the Thunderbird group not the firefox group...
  • ezekg 1 hour ago
    I swear there are like 10 different Thunderbolts. Why reuse such a common name?
  • stormed 2 hours ago
    I thought Mozilla was going to join the Thunderbolt standard and/or making some tool for it until I clicked the link haha. Very interesting name choice
    • badc0ffee 1 hour ago
      Well, see, one is Thunderbolt io, and the other is Thunderbolt.io.
    • SV_BubbleTime 2 hours ago
      This is a fair point. There is absolutely no way they didn’t know what Thunderbolt is, so they did this on purpose. Just rack it up to the list of obviously bad decisions that brought us here.
      • busywaiting 1 hour ago
        I also love that it's a .io domain. Just to maximize the chance that you'll confuse Thunderbolt dot io with Thunderbolt the I/O standard.
  • 440bx 44 minutes ago
    Thought "hey this better not be AI". Yes it's AI.

    Just keep making a decent browser and stop getting distracted on shit.

  • butz 1 hour ago
    Good thing they didn't name this Unity or Proton. We are seriously running out of names for applications and services, ar we?
    • Hamuko 35 minutes ago
      We're not, but companies are not courageous enough to explore new names.

      I've already used up "cum" btw, so you're not allowed to name your product that.

  • bachmeier 40 minutes ago
    Some feedback: It would be useful to explain what you do differently on your website.
  • petterroea 24 minutes ago
    All I see is effort that could have been spent improving the rest of Mozilla's products.
  • glitchc 58 minutes ago
    Do trademarks not matter anymore? The name and logo are lawsuits just waiting to happen.
  • Wolfrich 2 hours ago
    Some confusion I see here is lots of people seem to not know that MZLA who makes Thunderbird and Mozilla Corporation who make firefox are separate entities in the Mozilla Foundation umbrella. This Thunderbolt is a MZLA product... so ya
  • thecrumb 2 hours ago
    "Mozilla Bubble" Building things no one wants.
    • evolve2k 2 hours ago
      Some of us are out here still waiting for Firefox relay “premium” to launch and provide disposable mobile numbers like they do email addresses.. but product has for some reason been stuck on “join waiting list” for what feels like an absolute age.
    • SV_BubbleTime 2 hours ago
      Pocket, lol. I think the Mozilla VPN could have been OK but it was just rebranded Mulvad and they didn’t make it easy and obvious to use.

      Is there a FF fork doing anything good out there?

      • pndy 2 hours ago
        Watefox, Librewolf have both plucked out all unnecessary stuff Mozilla added over the years. Both are good but Librewolf comes with history and cache disabled by default which may be bit surprising.

        Floorp comes with additional custom interface features, workspaces (tabs grouping) and mouse gestures. And bit better profiles feature - Mozilla decided to redo it recently which lead to some problems.

        Mullvad has build in VPN, DoH and proxy as an extension, and comes with uBo and NoScript.

        There's Zen browser that has a quite uncommon UI, and obscure Pale Moon that IIRC still tries to provide old XUL/XPCOM extensions - which often leads to pages rendering issues.

        • mzajc 1 hour ago
          A tip for Librewolf: you can easily toggle permanent cookie storage for a site through the "Always store cookies/data for this site" option in the shield button menu on the URL bar. This is very convenient compared to vanilla Firefox where you have to add exceptions through the settings.
  • Barbing 1 hour ago
    Did I seriously click on a Mozilla product and see AI? You guys at Mozilla read the Internet right?

    Doesn’t this have to be done under another name to prevent massive company-killing pushback?

  • Tostino 10 minutes ago
    I tried to run it on my machine, and the release artifacts are missing entirely. Not going to spend time building from source.
  • etchalon 14 minutes ago
    Turns out chat apps are pretty easy to build I guess.
  • who_is_mr_tux 2 hours ago
    I'm gonna deploy it on my machine and try it! Better option than using ChatGPT or Claude.
  • zuInnp 2 hours ago
    If this wouldn't be under Mozilla/Thunderbird Org on Github, I would have considered this to be fake. It looks very unsubstantial ...
  • ForHackernews 2 hours ago
    There's an architecture diagram here: https://github.com/thunderbird/thunderbolt/blob/main/docs/ar...

    It seems like all the model inference is external APIs? So why is the marketing claiming "Self-host on your infrastructure or let us help you deploy. Your data never leaves your control."

  • beeflet 1 hour ago
    It's weird that they would name it like thunderbird
  • bartvk 1 hour ago
    Lots of negative posts here, who presume to speak for others. I, for one, welcome new entrants especially since they're under the Mozilla umbrella. This client could use the passwords and cookies stored in Firefox. And I'd trust it too, unlike other clients.
  • poolnoodle 2 hours ago
    Thank god for the Ladybird project
  • hexo 1 hour ago
    No way they really named it thunderbolt. I mean. Seriously? What is next Mozilla USB-C vibeslop?
  • Pxtl 2 hours ago
    Aw, another AI thing. I was hoping this was their email service.
  • shevy-java 2 hours ago
    Yikes.

    Could Mozilla hand over firefox to a new team please? It is clear they are wasting time and energy on things nobody wanted - who wants Mozilla-AI please? I mean, seriously?

    For people who don't think Mozilla wants to make firefox competitive again; and for those who also don't think ladybird will become a viable alternative one day (that's for the future, I have no crystal ball, I am just pointing at one possibility here). Perhaps we could get more momentum when someone else other than Mozilla handles firefox.

    • eipi10_hn 1 hour ago
      Why is this related to Firefox?
      • balamatom 44 minutes ago
        Because Firefox is the only thing that lends Mozilla any credibility.
  • catlover76 1 hour ago
    [dead]
  • pixel_popping 2 hours ago
    If I may, Mozilla, you shouldn't release half-ass products that looks vibe coded like this, even the website looks like it took 30min to do with Claude