Upstream X/Wayland Developers Bash Canonical, Mir
Canonical's decision to develop Mir, their own display server not derived from X11 or Wayland, hit many as a big surprise today. Canonical previously committed to Wayland in a future Ubuntu release but now it turns out that for months they have secretly been rolling their own solution behind closed doors.
It will be interesting to see how the Mir situation plays out on Ubuntu, but already Canonical has once again disgruntled upstream open-source developers. Aside from end-users being surprised by this decision to no longer pursue Wayland, the X.Org and Wayland developers themselves were taken for a ride.
Kristian Høgsberg, the creator of Wayland/Weston, has posted to his Google+ page about the Canonical Mir announcement.
Long-time X.Org contributor Daniel Stone, who's also been commenting in our forum thread, was quick to say, "The best part is that the input bit of the rationale is totally wrong: there's no way for clients to get another client's input, short of mapping a full-screen transparent window and convincing the compositor to not decorate it. There also aren't any grabs. Which I could've told them if anyone involved ever bothered to talk to anyone upstream."
Stone later added, "I'm not worried about Wayland's future at all. I'm just irritated that this means more work for us, more work for upstream developers, more work for toolkits, more work for hardware vendors, and years of explaining that most of the page explaining that Mir had to be created because Wayland was a) hugely deficient, and b) unfixable, was total bullshit."
Kristian also followed-up to Stone's comments. Canonical's Mir specification about Wayland/Weston and its input shortcomings are inaccurate and their sought after input features are already implemented and working in Weston today.
Lennart Poettering, the Red Hat developer of systemd and PulseAudio fame, was quick to say, "I am sure 'Mir' is going to be a project with a fantastic future, just like bazaar, or Upstart, or Project Harmony before it." Lennart followed-up to himself with, "isn't Mir this thing that burnt and crashed into the South Pacific Ocean near Fiji on 23rd March, 2001, after some dudes in Russia flipped a switch after they gave it up? This must be metaphor for something, haven't figured out for what yet, though, must be something deeper than 'This software includes a space toilet and Canonical will give it up one day, when it will burn and crash and then we'll be in a south pacific paradise setting.'"
David Airlie, long-time X.Org/Mesa contributor at Red Hat, added, "They should call the next Ubuntu Jumping Sharks." Airlie followed up with, "they barely have anyone competent enough to write a display server, the fact that they are actually quite ignorant of how wayland works makes it even more apparent."
Carsten Haitzler, a.k.a. "Rasterman" of the Enlightenment project, wrote a lengthy post:
A reads of the mir stuff says to me "oh look. we don't understand wayland at all, neither do we grok X11 that much either".For those wondering, the C++ code-base that makes up Mir does require Canonical's CLA (Contributor License Agreement). Canonical also hasn't approached the upstream X.Org/Wayland developers officially. Using the open-source Mesa/Gallium3D driver does require a new EGL DRI2 driver that they currently have packaged in a Mesa PPA on Launchpad, but haven't yet attempted to upstream (or announce) its existence to Mesa developers.
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