Asahi Linuxからユーザーへ長文のお願い「X.Orgを使わないでください」で炎上

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Asahi LinuxのリードデベロッパーHector Martin氏が、Appleシリコン搭載Mac向けのLinuxディストリビューション「Asahi Linux」のユーザーに対し、X.Orgの使用を止めWaylandを使用するように促す長文の投稿を行い論争となっています(Phoronix)。

Hector Martin氏はMastodonに以下のような投稿を行っています。

Please, please stop using Xorg with Asahi Linux.

どうか、Asahi LinuxでXorgを使うのをやめてください。

It's all but unmaintained, broken in fundamental ways that cannot be fixed, unsuited to modern display hardware (like these machines), and we absolutely do not have the bandwidth to spend time on it.


We strive for a quality desktop on Apple Silicon machines, but we have to pick and choose our battles very carefully, because we can't single-handedly fix all the problems in the entire Linux desktop ecosystem. Yes, some Xorg things might work better on other platforms. That doesn't mean Xorg isn't broken, it means those platforms have spent years working around Xorg's failings. We don't have the time for that. Distributions and major desktop environments are already dropping Xorg support. It's pointless to try to support it well today on a new platform.


XWayland will continue to be supported for legacy client apps, and we do plan to spend time on optimizing the XWayland experience. But for anything that goes beyond "displaying windows" (compositors, IMEs, input management, desktop environments, etc.), please use native Wayland applications, since XWayland will never integrate properly for those things (by design).


Yes, not every random app and feature you use on Xorg will have a Wayland equivalent. Deal with it. The major players in desktop Linux have decided it's time to move on from Xorg, and if you want to go against the tide you're on your own.


We do expect Xorg to continue to function for the bare essentials (i.e. showing a working desktop), but that's it. We won't be working on any features or non-desktop-breaking bugs beyond that.


The only reason we shipped Xorg by default is that Wayland compositors were slower with software rendering. The reverse is true now that we have GPU drivers, and we will be switching all default-Xorg-KDE users to default-Wayland in an update (along with promoting the GPU drivers to the default builds) really soon. At that point Xorg will be relegated to SDDM, and once a native Wayland release of that finally happens, we won't be shipping any usage of the X server any more.


Edit: It has been pointed out to me that Wayland introduces significant regressions in accessibility for some users. Of all the reasons to stick with Xorg for now, that is one I can stand behind. Xorg does work on Asahi and the limitations are largely visual/polish related and obviously less important than being able to use the computer at all. This post wasn't aimed at those users. While I can't fix the Wayland a11y situation myself (it's too far removed from my work and I have no experience with it), I do hope the situation improves in the future and of course I will be happy to address any platform-specific issues that users and developers of these features may run into.

編集:Waylandは、一部のユーザーにとってアクセシビリティに大きな後退をもたらすと指摘されています。今のところXorgに固執する理由の中で、これは私が支持できるものです。XorgはAsahiで動作しますし、その制限は主にビジュアルやポリッシュに関するもので、コンピュータを全く使えないということよりも明らかに重要度が低いです。この投稿は、そのようなユーザーを対象にしたものではありません。Wayland a11yの状況を私自身が解決することはできませんが(私の仕事とはあまりにもかけ離れていて、経験がありません)、将来的に状況が改善されることを願っていますし、もちろん、これらの機能のユーザーや開発者が遭遇するプラットフォーム固有の問題には喜んで対処します。

Wayland は、ディスプレイサーバとクライアント間の通信方法を記述した通信プロトコル(またはCで実装したライブラリ)で、X Window System(Xorg)を置き換える事を目的としています。

Xorgと比較すると歴史が浅く、Waylandが動かないアプリケーションも多数存在しますが、新しいハードウェアをターゲットとするAsahi Linuxでは、互換性を切り捨ててでもWaylandの将来性に期待したいのかもしれません。Phoronixのフォーラムや、Hacker NewsRedditでは、この要請に対してさまざまな意見を持つユーザーがコメントを書き込み議論が交わされています。

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