this post was submitted on 12 Aug 2024
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Andreas Kling aka @awesomekling wrote:

We've been evaluating a number of C++ successor languages for @ladybirdbrowser , and the one best suited to our needs appears to be @SwiftLang 🪶

Over the last few months, I've asked a bunch of folks to pick some little part of our project and try rewriting it in the different languages we were evaluating. The feedback was very clear: everyone preferred Swift!

Why do we like Swift?

First off, Swift has both memory & data race safety (as of v6). It's also a modern language with solid ergonomics.

Something that matters to us a lot is OO. Web specs & browser internals tend to be highly object-oriented, and life is easier when you can model specs closely in your code. Swift has first-class OO support, in many ways even nicer than C++.

The Swift team is also investing heavily in C++ interop, which means there's a real path to incremental adoption, not just gigantic rewrites.

Strong ties to Apple?

Swift has historically been strongly tied to Apple and their platforms, but in the last year, there's been a push for "swiftlang" to become more independent. (It's now in a separate GitHub org, no longer in "apple", for example).

Support for non-Apple platforms is also improving, as is the support for other, LSP-based development environments.

What happens next?

We aren't able to start using it just yet, as the current release of Swift ships with a version of Clang that's too old to grok our existing C++ codebase. But when Swift 6 comes out of beta this fall, we will begin using it!

No language is perfect, and there are a lot of things here that we don't know yet. I'm not aware of anyone doing browser engine stuff in Swift before, so we'll probably end up with feedback for the Swift team as well.

I'm super excited about this! We must steer Ladybird towards memory safety, and the first step is selecting a successor language that we can begin adopting very soon. 🤓🐞

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[–] masterspace@lemmy.ca 116 points 2 months ago (4 children)

Really feels like a mistake. No major language exists without a major benefactor supporting it, and Swift's only benefactor has zero interest in cross platform anything.

Good luck 5 years from now when cross platform Swift has gone the way of cross platform Safari.

[–] savedbythezsh@sh.itjust.works 36 points 2 months ago (2 children)

Actually, this isn't true. Apple has a vested interest in cross platform Swift. They've been pushing hard for Swift on Linux because they want Swift to run on servers, and they're right to. Look at how hard JavaScript dominates on the server-side because of one language everywhere.

[–] refalo@programming.dev 27 points 2 months ago (2 children)

https://swift.org/

Swift is a fast, modern, and safe language for iOS, macOS, and other Apple platforms.

[–] barsquid@lemmy.world 10 points 2 months ago (1 children)

That same page lists cross-platform CLI and server as intended use cases.

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[–] LeFantome@programming.dev 4 points 2 months ago* (last edited 2 months ago)

The text you quote literally appears under the heading “Apple Platforms”. Gee, why don’t they mention anybody else in the Apple section?

Immediately below that, there is a cross-platform section where they say “SwiftArgumentParser and Swift's growing package ecosystem make developing cross-platform command-line tools a breeze.”

So, at worst, it sounds like the main Swift project may leave you to heft some of the GUI load yourself. Except 99% of what Ladybird does is under the hood processing that creates bitmaps for display. There is hardly any GUI really. Plus, Swift offers C++ interop.

Ladybird stems from SerenityOS where they write everything themselves. They have their own networking, GUI libraries, and crypto. Since splitting, they have adopted font rendering and media libraries from other projects ( largely available as C code I believe ).

Swift is cross-platform in all the ways the Ladybird gang needs it to be. It uses LLVM ( very cross-platform ) and the Swift compiler is meant to be cross-platform. All that will evolve and improve independent of Ladybird itself. The Ladybird team does not need many libraries from the Swift ecosystem. What they will need is pretty basic and fundamental.

Think back to Rust and Mozilla. When Mozilla rewrote the CSS parser in Rust, how much GUI rework was required? None? The CSS parser fell into the space defined by “command-line tools”.

[–] masterspace@lemmy.ca 19 points 2 months ago* (last edited 2 months ago) (1 children)

So the Ladybird browser will have no trouble running on Linux servers? Great! Now how about platforms where people use web browsers? i.e. Android, and Windows.... Apple has no vested interest in cross platform support to platforms that matter for a web browser.

[–] roanutil_@programming.dev 17 points 2 months ago

Swift already works on Android and Windows. The support for Windows is improving and on the way to being official instead of questionable. The Browser Company is already building their app on Windows with Swift.

Swift’s governance has had some bumps in the past but is improving. Apple does have a vested interest in Swift adoption outside of their platforms. The more popular it is in general, the better the community and ecosystem get.

[–] barsquid@lemmy.world 17 points 2 months ago

It is compiled with LLVM and Clang. Where is the danger of losing cross-platform compatibility? It will be fine.

[–] savedbythezsh@sh.itjust.works 6 points 2 months ago (1 children)

Also, Safari on Windows had low usage, and was probably a pain to maintain. Swift cross platform is more about abstracting out Apple specific things (like the standard library and UI toolkit). Apple has already been investing multi-year efforts into Swift on the server for longer than Safari on Windows existed. The last couple versions of Swift (~3-4years of development) have been almost entirely focused on safe concurrency, which is intended for server-side development.

[–] masterspace@lemmy.ca 28 points 2 months ago (1 children)

Also, Safari on Windows had low usage, and was probably a pain to maintain.

I'm 90% sure the entire reason was that it would force all web developers who wanted to target iOS to buy Macs since that's the only place you could then test against Safari / Webkit.

Apple has already been investing multi-year efforts into Swift on the server for longer than Safari on Windows existed. The last couple versions of Swift (~3-4years of development) have been almost entirely focused on safe concurrency, which is intended for server-side development.

That doesn't mean they've invested anything in getting it running on consumer operating systems.

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[–] tias@discuss.tchncs.de 74 points 2 months ago (8 children)

This seems like such a poor choice if you want a cross platform browser.

[–] AllNewTypeFace@leminal.space 26 points 2 months ago (1 children)

Not necessarily. The language itself is implemented on LLVM and compiles to a variety of backends, and can interoperate with C and C++ (including presenting C++ classes and STL types in its type system). Toolchains exist for Windows and Linux, as well as Apple platforms, and porting them to other POSIX-like OSes shouldn’t be too hard. The core of the language and its Foundation runtime library are open-source and cross-platform; it’s only macOS/iOS APIs and higher-level frameworks built on them like SwiftUI which are proprietary. Swift is in use on non-Apple platforms: there’s the Kitura web framework, which gets deployed mostly on Linux, and someone has recently used it to write games for the PlayDate handheld console.

In general, I can’t fault his rationale there. Swift has more modern language features (such as an expressive type system) than Go, is not quite as fiddly as Rust, isn’t a trainwreck of incompatible levels of abstraction like C++, and has developer momentum behind it unlike Dart.

[–] RoyaltyInTraining@lemmy.world 4 points 2 months ago (1 children)

Reading that really makes me want to give it a go. If swift's package management is anything like Rust or Go, I could see myself enjoying it

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[–] savedbythezsh@sh.itjust.works 6 points 2 months ago

I've worked with Swift a bunch for Apple platforms, am mildly familiar with how it works on other platforms. It should be able to compile on a wide host of platforms with minimal/no issues. The runtime dependencies are localized to Apple platforms, and I think the dominant UI toolkit on other platforms is a Swift port of qt. So it should be just fine?

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[–] reddig33@lemmy.world 53 points 2 months ago (3 children)

Hey Ladybird — get off Xitter and use something else like Mastadon.

[–] Quill7513 34 points 2 months ago (1 children)

Weird fascist tech bro likes weird fascist tech bro platform

[–] Matriks404@lemmy.world 6 points 2 months ago* (last edited 2 months ago) (4 children)

Weird fascist tech bro

What the hell are you talking about? I have been following Andreas for few years already and in no way he is fascist, in fact he is one of the most wholesome people around that I know of.

[–] mke@lemmy.world 11 points 2 months ago* (last edited 2 months ago) (2 children)

Your comment convinced me to finally take a look at his profile and see what the fuss is about.

I didn't see anything that'd make me scream fascism, either.

But there's definitely stuff that's off. Things that, in isolation, would be one thing, but when you analyze them all together, it wouldn't be weird to say there's a pattern. A picture starts to form, and it's one that I've sadly seen many times before.

So I went back and grabbed a few tweets:

I barely had to scroll to find these, they're all recent. There's much more.

Individually, you could dismiss everything. It's just humor. He's neutral. Objective. Wholesome. But then, why does he keep hitting the same keys? You'd assume a wholesome centrist would have a little more variety in their stand-up routine.

You know what he reminds me of, after reading so many of his tweets?

People who dress up in a veneer of positivity, but you ask them what they think is negative, and they'll say things like raising awareness of LGBT issues. Not in those words, of course, because that's not positive. When they talk about it, they'll put on this show about how they don't take sides, and how they're simply worried about the technical discussion, the actually important stuff, you know? They simply don't like unhelpful noise, things like trying to foster an inclusive community.

It's easy to seem like a positive figure when you never properly acknowledge any criticism. Position yourself as a factual, neutral voice of objectivity, even when that's literally impossible. Paint those who disagree as non-contributing, unproductive, negative noise-makers. Say you agree with people on topics they care about, but then turn around and tell them they're all doing it wrong. Cover it all up in emoji and a "Let's do it together!" attitude, but reject anyone who reaches out with the wrong greeting.

And there you have it, Andreas reads like a man who's either lying to himself or to others, and I don't know which is worse.

I went into this thinking, "I have to avoid baselessly criticizing people. There's surely nuance to this man's real beliefs, people on the internet are too quick to attack without evidence." Which is why I'm honestly surprised to say that I came out with a mildly worse opinion of Andreas than when I started. What the hell.

I sincerely hope he can reflect on his behavior and grow out of this strange mindset. Andreas seems to be a great software developer and Ladybird can be an enormous boon for the web, so it hurts to see him acting this way.


Again, I genuinely don't think he's on Twitter because he's a "weird fascist tech bro" who likes a fascist platform (what is even meant by weird?). I find it more probable that he's comfortable there, realizes that it's not going anywhere, that it remains the most popular platform, and therefore doesn't think Mastodon is worth the effort.

Why he's so comfortable there and doesn't like Mastodon is worth thinking about, though.

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[–] onlinepersona@programming.dev 20 points 2 months ago

Programming language: Swift - owned by big corp
Source forge: Github - owned by big corp
Communication channels:

  • Xitter - owned by big corp
  • Discord - proprietary and non-searchable

👌

Anti Commercial-AI license

[–] mke@lemmy.world 13 points 2 months ago* (last edited 2 months ago)

For comparison, Mozilla is on Twitter as well, but they're also on mastodon and even went as far as deciding to host their own instance.

[–] solrize@lemmy.world 32 points 2 months ago* (last edited 2 months ago)

Now THAT was unexpected.

[–] senkora@lemmy.zip 30 points 2 months ago (4 children)

Swift was developed by a lot of former C++ committee members, and in C++ circles they’ve been advocating for it as a “successor language” for quite some time.

This could definitely be confusing if you don’t have that context, but making Swift useful for this kind of project has been an explicit goal of the Swift developers for years.

[–] refalo@programming.dev 5 points 2 months ago (1 children)

How have they been advocating that? This is the first I'm hearing about any of this...

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[–] sparky@lemmy.federate.cc 30 points 2 months ago* (last edited 2 months ago)

I say this as a Swift developer (and Obj-C before that), who’s built apps on Apple platforms for 20 years. I love the language and I love developing for Mac and iOS. But why would you reach for Swift for a cross platform browser? The support on Windows and Android is in its infancy, and it’s not a widely known or used language in the context of system programming. I’d never write a mobile app in any other language, but I’d never write a browser engine in this one.

[–] monobot@lemmy.ml 29 points 2 months ago (4 children)

I never understand hate ladybird and SymphonyOS is getting in fediverse.

People are doing interesting work against all odds, everyone ever just saying "it is not possible", finding some random comments from project founder to hate.

But you know what? You and your opinion is not important. People are not doing this to make Linux competitor or Mozzila competitor but to have fun and learn something new.

I also don't want apple near it, but Andreas learned browser development on Safari and with looking for "popular enought" memory safe language it is rust vs swift and just by looking at the code becomes obvious how easier Swift is to pick up. Especially for someone comming from C++.

Haters gonna hate, I wish them luck. Failing is ok too.

I don't think hate is the right word. Vitriol maybe.

I don't hate the project or the devs.

It's just that when someone suggests this might one day be a competitive browser engine, everyone feels obligated to point out, sometimes a little too emphatically, the many challenges the project must overcome.

Perhaps part of it is borne of frustrations around mozilla. They're our last best chance, and yet we're all very frustrated at their constant mismanagement and errors of judgement. The suggestion that several people can build an independent competitor in their spare time is.. unbearable.

With all that said, if they ever achieve anything approaching Firefox's compatibility and reliability, I will be their most ardent supporter. Until then I'll be here in these threads calling idiots naive.

[–] mke@lemmy.world 6 points 2 months ago* (last edited 2 months ago)

everyone ever just saying "it is not possible",

I've definitely seen people saying they'll fail, with no arguments to back that up, and I stand with you against that kind of baseless speculation. But it's worth noting there are many folks bringing up thought-out technical disagreements with the project's decisions. Some may be more opinionated than others, but that's life.

finding some random comments from project founder to hate.

If you're referring to what I think you are, that's not it. People aren't chasing after random comments because they want to throw shit at Ladybird. It's called criticism. Criticism, if valid, is not the same as hate, and portraying people who bring up Andreas' actions—possibly those of most important person in the project—as one-dimensional haters is disingenuous.

But you know what? You and your opinion is not important. People are not doing this to make Linux competitor or Mozzila competitor but to have fun and learn something new.

But they're not? Ladybird has a fully-fledged US 501(c)(3) non-profit with clear ideals, a roadmap and even sponsors that have pledged over one million USD in funding combined (see Chris Wanstrath's post).

Haters gonna hate, I wish them luck. Failing is ok too.

Yes, that's true. Please don't disregard people offering valid criticism, though.

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[–] mke@lemmy.world 24 points 2 months ago (2 children)

I know some folks think this is annoying, but once again, note that if you're the kind of user who shuns Brave because the CEO does stupid shit every once in a while, you'll probably not look fondly upon Ladybird's project lead and main developer being scared of pronouns.

See this issue on github.

If you don't care about that, it's an interesting project. Can't say I approve, though.

Posting this to inform people and let each one decide what to do on their own. Don't harass anyone, please.

[–] fine_sandy_bottom@lemmy.federate.cc 26 points 2 months ago (6 children)

My idiology diverges significantly from the lemmy devs, but here we are.

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[–] refalo@programming.dev 4 points 2 months ago* (last edited 2 months ago) (1 children)

https://lemmy.ml/post/19080982/12955657

I feel like Linus has said much worse things, without much remorse (the attacks didn't stop after he apologized), for many many years, but I have never seen anyone boycott Linux solely because of his attitude...

I think most people do not consider the Ladybird drama to be a big deal, it seems only a small vocal minority really care about it.

[–] mke@lemmy.world 8 points 2 months ago* (last edited 2 months ago)

https://lemmy.ml/post/19080982/12955657

What do you want me to read here? I only saw three comments unrelated to anything I said.

I feel like Linus has said much worse things, without much remorse (the attacks didn't stop after he apologized), for many many years,

Linus had a problem with criticizing people's work respectfully. Rather, he'd straight up insult people, with little to no useful feedback, and people very much complained about it. Maintainers complained. It got to the point that he, thankfully, committed to taking a break from the kernel to work on improving himself. It wasn't just an apology. He has since gotten much better. When he regresses, it's entirely fair to criticize it.

but I have never seen anyone boycott Linux solely because of his attitude...

Then you'll be happy to discover that many people working on Linux were quite public about their disapproval of Linus' behavior back then. With him, with others, it was their complaints that got him to change.

I think most people do not consider the Ladybird drama to be a big deal, it seems only a small vocal minority really care about it.

Maybe. But it's not about the size of the group, it's about the complaints themselves. We don't decide whether something is an issue worth caring about based on how many people think so. That'd be horrible. Racism was once the issue of a vocal minority; thank goodness people didn't shut up about it and more eventually listened.

Andreas' behavior reflects poorly on the project as a whole and ought to change. It pushes away folks who could be part of the community and helping the project, be it as users, developers or financial supporters. My comments aren't intended to incentivize boycotting Ladybird because I don't like the man, they're meant to raise awareness of a serious issue in the hopes that, one day, perhaps he'll grow up like Linus did.


I'd never mention this out of the blue, but since you brought up Linus, here's my unnecessary fun opinion. I'd bet money that Andreas' takes on inclusivity wouldn't be appreciated by Linus, because the man's one deranged step away from calling pronouns woke.

[–] kenkenken@kbin.run 18 points 2 months ago (1 children)

That project doesn't deserve the hype.

[–] Carighan@lemmy.world 5 points 2 months ago

I mean it has fuck all hype except the tiniest nichey audiences, so I guess that worked out.

[–] tengkuizdihar@programming.dev 15 points 2 months ago (2 children)

If he think swift is the way to go, good for him. The code before swift is still open source, so interested user can fork it. What is there to hate?

[–] onlinepersona@programming.dev 23 points 2 months ago

It is his project and I'm not going to create an issue on github lambasting him, but I do have an opinion. He's clearly not an idiot, it just isn't a decision I agree with 🤷‍♂

Disagreement != hate. Life isn't made up of extremes.

Anti Commercial-AI license

[–] refalo@programming.dev 6 points 2 months ago* (last edited 2 months ago)

Apple, I suppose. And the lower performance compared to C++ from what I have seen

[–] refalo@programming.dev 13 points 2 months ago* (last edited 2 months ago)

The benchmarks I have looked at for Swift seem to show it being quite slow often, anyone who uses it for lower-level/systems stuff have some input?

https://benchmarksgame-team.pages.debian.net/benchmarksgame/fastest/swift-gpp.html

With performance (and arguing over it) being a very big issue on modern browsers, I would be worried if it's really this bad for general web browsing.

[–] shotgun_crab@lemmy.world 7 points 2 months ago* (last edited 2 months ago)

Interesting choice, let's see how it goes

[–] ssm@lemmy.sdf.org 4 points 2 months ago

Rest in piss, Links2 it is. Maybe netsurf can complete their js engine in 3 billion years.

[–] rickdg@lemmy.world 3 points 2 months ago* (last edited 2 months ago)

Going for the Arc route, interesting.

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