this post was submitted on 24 Mar 2026
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Basically, whenever an app has a GUI it wants to display, it communicates that to 'the system' with all the necessary details. After which 'the system' does the rendering and whatnot. Wayland is a protocol that defines a set of rules on how this interaction should take place. Hence, technically, it is only (the defining) part of the modern solution.
Very. Basically, either it or its 'predecessor'^[The term is used loosely here, because there's a very big difference between the two.] X11 is involved whenever you want to display/render anything^[Which, to be clear, happens literally all the time. Unless your display needs don't go beyond what was already available on MS-DOS*.] on desktop Linux. As X11 has been abandoned in favor of Wayland, some modern features like HDR or VRR are only found on the latter. On the other hand, I believe Wayland was never meant to offer full feature-parity with X11. Hence, some unsupported edge cases may continue to exist indefinitely. Thankfully, it has come a long way. What remains are some concerns related to accessibility AND the adjustment^[Like, how only very recently Electron got to become proper Wayland-native. Note that Xwayland is included with Wayland as a compatibility layer whenever something is not Wayland-native yet.] of the surrounding ecosystem.
Thank you for the intro, that helped. Sounds like Mint not having it is relevant