Ubuntu 13.10 Saucy Salamander Desktop Won't Be Shipped With XMir As Default Display Server.
XMir is an implementation of X11 running on top of Mir display server providing compatibility layer for desktop environments and applications designed for X11 to run on top of Mir.
While XMir was expected to ship as default display server in upcoming release Ubuntu 13.10 Saucy Salamander, Just after one day Ubuntu 13.10 entered final-beta stage, Oliver Ries announced the delay on <a href="https://lists.ubuntu.com/archives/ubuntu-devel/2013-October/037695.html" target="_blank" rel="nofollow noopener noreferrer">XMir update for Ubuntu 13.10</a>.
It was declared in the Ubuntu-devel mailing list that, delivery of Mir+XMir+Unity7 for Ubuntu 13.10 desktops ain't going to happen due to 'outstanding technical difficulties'. Though they are on track in successfully delivering Mir display server for Ubuntu-Touch (Ubuntu for Smartphones & Tablets) whose latest 13.10 stable build will be releasing on the same day when Ubuntu 13.10 desktop build is releasing i.e. 17th October 2013.
As per Ubuntu-devel mailing list, the issues/bugs are located in XMir part of stack which provides integration between X server & underlying Mir system compositor. Meantime, Canonical didn't mentioned whether this delay will affect default Mir display server adoption in next LTS release, Ubuntu 14.04. We cannot assume anything about Mir on 14.04 right now.
Enlisting few reasons below, which I think is the reason behind setback of XMir as default display server in Ubuntu 13.10 :
- Intel management pulled support for XMir. So, Ubuntu development team had to carry patched versions of Mesa, xf86-video-ati & xf86-video-nouveau out-of-tree to support XMir in 13.10 release, and thus affecting core development of Mir. Intel should've helped Canonical by carrying XMir upstream patches.
- One of the largest XMir issues existing right now is 'Improper Multi-monitor support'.
- The Proprietary nVidia and AMD graphics drivers doesn't support Mir out of box. However, Oliver Ries in mailing list did mentioned that GPU vendor support of Mir is 'Progressing Forward'.
Source : <a href="https://fridge.ubuntu.com/2013/10/01/xmir-update-for-ubuntu-13-10/" target="_blank" rel="nofollow noopener noreferrer">Ubuntu Fridge | XMir update for Ubuntu 13.10</a>
While XMir was expected to ship as default display server in upcoming release Ubuntu 13.10 Saucy Salamander, Just after one day Ubuntu 13.10 entered final-beta stage, Oliver Ries announced the delay on <a href="https://lists.ubuntu.com/archives/ubuntu-devel/2013-October/037695.html" target="_blank" rel="nofollow noopener noreferrer">XMir update for Ubuntu 13.10</a>.
It was declared in the Ubuntu-devel mailing list that, delivery of Mir+XMir+Unity7 for Ubuntu 13.10 desktops ain't going to happen due to 'outstanding technical difficulties'. Though they are on track in successfully delivering Mir display server for Ubuntu-Touch (Ubuntu for Smartphones & Tablets) whose latest 13.10 stable build will be releasing on the same day when Ubuntu 13.10 desktop build is releasing i.e. 17th October 2013.
As per Ubuntu-devel mailing list, the issues/bugs are located in XMir part of stack which provides integration between X server & underlying Mir system compositor. Meantime, Canonical didn't mentioned whether this delay will affect default Mir display server adoption in next LTS release, Ubuntu 14.04. We cannot assume anything about Mir on 14.04 right now.
Enlisting few reasons below, which I think is the reason behind setback of XMir as default display server in Ubuntu 13.10 :
- Intel management pulled support for XMir. So, Ubuntu development team had to carry patched versions of Mesa, xf86-video-ati & xf86-video-nouveau out-of-tree to support XMir in 13.10 release, and thus affecting core development of Mir. Intel should've helped Canonical by carrying XMir upstream patches.
- One of the largest XMir issues existing right now is 'Improper Multi-monitor support'.
- The Proprietary nVidia and AMD graphics drivers doesn't support Mir out of box. However, Oliver Ries in mailing list did mentioned that GPU vendor support of Mir is 'Progressing Forward'.
Source : <a href="https://fridge.ubuntu.com/2013/10/01/xmir-update-for-ubuntu-13-10/" target="_blank" rel="nofollow noopener noreferrer">Ubuntu Fridge | XMir update for Ubuntu 13.10</a>
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