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If I understand Wayland correctly, this isn't something that's built into the kernel. If so, then that means that, even when Wayland becomes the default display manager, we can do a commandline install and install instead of Wayland.

In that case, will always be available in the repositories in case someone needs the core features of

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up vote 4 down vote accepted

First of all, before we jump the gun here, is not going anywhere just yet.

For situations where wayland is not supported, X will remain the fallback. Plus, X will still be maintained and available.

That covered, wayland will provide many of the features X does, can run a nested X server, etc.

Sorry for not including links, I might do that if I update my answer later.

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Alright, thank you for your answer. I was wondering whether X would still be maintained and in the repositories – armornick Nov 17 '10 at 14:01
as a rule of thumb, anything that's used in the enterprise will probably be maintained for a very long time ;) – RolandiXor Nov 17 '10 at 14:05
That's right; just look at IE6 or Windows XP! But seriously, I don't think Linux would be much different. – Christopher Kyle Horton Dec 16 '11 at 0:26

It's hard to predict what things will be like 10 years out, so "always" is a pretty strong word. :-)

However, I can safely make the following forecast:

a) Ubuntu won't be switching away from in the short term. Certainly not for natty, and likely not natty+1 either. The exact schedule is doing to depend a lot on how quickly a lot of development work on compiz, unity, gtk and other bits can get done.

b) Even when we do switch, we'll be keeping available for legacy applications. I don't know how long we'll keep it, but likely for several years at least.

c) Some drivers (like -fglrx and -nvidia) won't work with Wayland. There's also unusual graphics hardware, virtualization environments, and so on that won't meet Wayland's requirements for some time. So it's likely some "retro mode" that runs X just like today will be available, for users who prefer not to use Wayland.

d) Upstream developers are supportive of moving the ecosystem to something Wayland-based. I would predict that eventually upstream will simply stop developing/supporting, and that will be what brings to an end. When will that happen? 10 years out? Maybe, I don't know.

In any case, don't panic. isn't going away any time soon. Wayland is still in diapers.

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My understanding is that several "xclients" are still not available for wayland. And then there is is this announcement by nvidia that they have no plans of supporting Wayland. i have to agree with @Roland here that the migration is not going to happen in the near future.

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