Wayland Is Now the Default on Linux: What It Means for Live Wallpapers in 2026
If you run Linux and updated your distribution any time in the last year, there is a decent chance your desktop quietly switched display servers without asking you very loudly about it. Fedora 43 removed the GNOME on Xorg session outright. Ubuntu made the same call starting with 25.10, and Ubuntu 26.04 LTS, the release most people are actually installing right now, carries that decision forward: the GNOME login screen no longer lists an X11 option at all. GNOME 49 dropped its X11 session code upstream, and GNOME 50 shipped without it, so this is not one distribution's quirk, it is the direction the whole GNOME stack has moved.
For most day-to-day use, that transition has been close to invisible. Wayland has been the default for new installs since 2021, and the X11 fallback mostly sat there for people who had a specific reason to need it. But "a specific reason to need it" describes a real category of software, and live wallpaper tools, Gloomia included, sit squarely inside it. If your Linux desktop has just lost its X11 session and you were relying on one, here is exactly what changed, why it matters for a tool like this, and what your actual options are.
What actually changed, distribution by distribution
GNOME has offered Wayland as the default session since GNOME 40 in 2021, but for years that came with an asterisk: a "GNOME on Xorg" option sat right next to it on the login screen, a one-click fallback for anyone whose hardware, drivers, or software needed the older display server. That fallback is what disappeared. Fedora's change proposal to drop the X11 GNOME session was approved for Fedora 43, and the GNOME on Xorg packages were removed from the repositories entirely, with existing X11 users transparently migrated to Wayland on upgrade. Ubuntu followed the same upstream lead starting with 25.10, and Ubuntu 26.04 LTS, released in April 2026, is the first long-term-support release to ship that way: no GNOME on Xorg option at login, and the old workaround of setting WaylandEnable=false in GDM's config file no longer does anything.
Other desktop environments have not made the same call, at least not yet. Xfce, MATE, Cinnamon, and LXQt all still default to X11 as of 2026, including on Ubuntu 26.04's own spins that ship those desktops instead of GNOME. KDE Plasma has been moving in the same direction as GNOME, with recent Plasma releases increasingly treating Wayland as the primary session and X11 as the secondary one depending on how a given distribution packages it. The practical upshot is that "which distro am I on" is no longer the question that tells you whether X11 is available. "Which desktop environment, and which specific release" is.
Why this matters specifically for live wallpapers
A web browser, a text editor, a game, almost any ordinary application runs fine under Wayland today, either natively or through XWayland, a compatibility layer that lets X11 applications open windows inside a Wayland session without knowing the difference. That covers the vast majority of software people actually run, which is a large part of why this transition has felt so uneventful for most users.
Live wallpaper tools are a narrower case, and a genuinely harder one. Drawing an ordinary window is not the same problem as drawing the desktop background itself, the layer that sits behind every window on the screen. X11 has long exposed that layer in a fairly direct way, which is exactly why animated desktop background tools have historically been built for X11 first. Wayland's compositor model does not hand that same access to X11 clients the way X11 traditionally has, XWayland or not, because XWayland's job is to make individual X11 applications work inside a Wayland session, not to reproduce X11's whole approach to the desktop background. That gap is the real reason this particular category of software has lagged behind ordinary applications in catching up to Wayland.
Where Gloomia stands on Linux today
Gloomia's Linux build ships as a .deb package or an AppImage, and it attaches to an X11 desktop. That has been true since the Linux build launched, and it has not changed with any of the distribution updates above, because the constraint was never about a particular distro, it is about the display server underneath whichever desktop you are running. On a desktop that still runs X11, whether that is Xfce or MATE by default, an older release that still offers GNOME on Xorg, or a Plasma session configured to run on X11, Gloomia works exactly the way it always has: full catalog, full pricing, the same automatic pausing on battery power and fullscreen apps that Windows and macOS get. On a GNOME session where the X11 option has been removed entirely, there is currently no X11 session for Gloomia to attach to.
That is a real, specific limitation worth knowing about before you install, not a reason to write off Linux support altogether. The macOS and Linux differences guide covers the rest of what is identical and what is not across all three operating systems, including the two features that remain Windows-only for reasons unrelated to Wayland at all.
How to check which session you are actually running
Because the answer no longer follows neatly from your distribution's name, it is worth checking directly rather than assuming. The login screen is the fastest place to look: most desktop environments show a session-type selector near the password field, often a small gear icon or a dropdown, that lists the sessions currently available on your machine by name. If "GNOME on Xorg" or a similar X11-labeled option is missing from that list, your GNOME session on that machine is Wayland-only.
If you are already logged in and want to check from inside a running session, open a terminal and print the XDG_SESSION_TYPE environment variable. It will read either x11 or wayland, and that single value tells you definitively which display server your current session is using, regardless of what your distribution's marketing or default settings claim.
What your actual options are if you land on a Wayland-only desktop
A few real paths exist if you want a live wallpaper working on a machine where GNOME's X11 session has been removed. The most direct is switching desktop environments rather than distributions: Xfce, MATE, Cinnamon, and LXQt are all installable on top of an existing Ubuntu or Fedora system and all still default to X11, so adding one of those alongside GNOME gives you an X11 session to log into without reinstalling anything. Some distributions also still ship older releases or spins that retain a GNOME on Xorg option, though that is shrinking ground as upstream GNOME itself no longer maintains the X11 session code at all, so it is worth treating as a temporary bridge rather than a long-term plan.
What will not help, even though it sounds like it should, is relying on XWayland to smooth things over. XWayland is genuinely useful for keeping individual X11 applications working inside a Wayland session, but it does not change how the desktop background layer is exposed, which is the actual constraint here. If your goal is specifically to keep a live wallpaper running, the session type is what needs to change, not the compatibility layer around individual apps.
Why so much software still lags behind on this
It is worth being clear-eyed about why this gap exists rather than treating it as an oversight. Wayland was designed deliberately to be stricter about what applications can see and touch on the desktop than X11 ever was, largely for security and isolation reasons: an X11 application could historically read another application's window contents or inject input events into other programs, which is exactly the kind of access a compositor-first design like Wayland set out to close off. Drawing the desktop background sits close to that boundary, which is part of why tools in this category, not just Gloomia but the wider field of animated desktop background software, have generally reached Wayland later than ordinary applications have. It is a tradeoff between the same openness that made this kind of tool straightforward to build on X11 and the more locked-down model Wayland is intentionally built around.
None of that makes the current state of things any less inconvenient if you specifically wanted a live wallpaper running today on a freshly updated Fedora or Ubuntu machine. It is just useful context for understanding that this is a structural difference between two display server designs, not a bug waiting on a quick fix.
If you are choosing a distribution or desktop environment fresh
If you have not committed to a specific Linux setup yet and a live wallpaper is genuinely part of what you want out of the machine, the practical move right now is picking a desktop environment that still defaults to X11 rather than fighting an increasingly Wayland-only GNOME session. Xfce and Cinnamon in particular are mature, well-supported options on essentially every major distribution, including Ubuntu 26.04 and Fedora, and neither has signaled any near-term move away from X11 the way GNOME has. That gets you a stable, supported X11 session without relying on an older release or a workaround that upstream is actively phasing out.
Whichever desktop environment you land on, the rest of Gloomia's Linux experience is unchanged by any of this: the same free tier of three wallpapers, Starfield, Planet System, and Hue Drift, with no account required, the same full catalog and pricing once you unlock Gloomia Pro, and the same license key that activates on up to three devices regardless of which operating system or session type those devices happen to run. The Wallpaper Engine alternative comparison and the free versus Pro breakdown are both good next reads if you are still deciding whether Gloomia is the right fit before you settle on a desktop environment around it, and the license and refund guide covers what happens if you install on an X11 session today and later move a device to something Wayland-only.
Frequently asked questions
Why did Wayland suddenly become the default on so many Linux distributions?
It was not sudden so much as a long transition reaching its final stage. GNOME has defaulted new installs to Wayland since 2021, but the GNOME on Xorg session stayed available as a fallback for years. Fedora 43 removed that fallback entirely, Ubuntu made the same call starting with 25.10, and Ubuntu 26.04 LTS carried it forward, so GNOME desktops on both distributions no longer offer an X11 session at the login screen at all.
Does Gloomia work on a Wayland-only Linux desktop?
Gloomia's Linux build attaches to an X11 desktop. On a GNOME session where X11 has been removed entirely, such as Fedora 43 and newer or Ubuntu 26.04 and newer, there is no X11 session to attach to. On a desktop environment that still runs X11 by default, such as Xfce, MATE, Cinnamon, or LXQt, or on an older release that still offers a GNOME on Xorg option, Gloomia works the same way it always has.
If X11 apps still run under Wayland through XWayland, why doesn't that fix live wallpapers?
XWayland lets an individual X11 application draw its own window and run correctly. A live wallpaper needs something different: access to the desktop background layer itself, sitting behind every window. Wayland's compositor model does not expose that layer to X11 clients the way X11 traditionally has, so an app running through XWayland can open a normal window fine while still having no way to paint the desktop background behind everything else.
Which Linux desktop environments still support X11 by default in 2026?
Xfce, MATE, Cinnamon, and LXQt all still run on X11 by default as of 2026, even on distributions like Ubuntu 26.04 where the GNOME session dropped its X11 option. Installing one of those desktop environments alongside or instead of GNOME is one way to keep an X11 session available on an otherwise Wayland-only distribution.
How do I check whether my Linux session is running X11 or Wayland?
The quickest check is at your login screen, where most desktop environments show a session-type option, often a small gear or menu icon near the password field, listing available sessions by name. From inside an already-running session, opening a terminal and checking the XDG_SESSION_TYPE environment variable will print either x11 or wayland.
Is there a Wayland version of Gloomia?
Not today. Gloomia's Linux build is the .deb package or AppImage that attaches to an X11 desktop, and that is the only Linux build currently available.