A bit of rambling about the state of Wayland
This is not a static article, but a continuously-updated list of links to articles about issues with Wayland.
Exploring the Fragmentation of Wayland, an xdotool adventure
Fragmentation of implementations of protocols, and fragmentation of the protocols themselves. Great example of the increased complexity that's an inherent consequence of a fine-grained permission model.
KiCad and Wayland Support
"Functional but Degraded". This article lists plenty of issues with the current state of Wayland for KiCad. Basic functionality that used to work on X11 is just not working yet.
Auto-Type on Wayland
Some APIs are missing and some that are not are specific to a certain desktop environment.
Think twice before abandoning X11. Wayland breaks everything!
The one that started it all, this article lists a bunch of things that used to work on X11 that simply are not implemented on Wayland.
Phoenix
A dev putting their money where their mouth is and actually implementing things themselves. Rewriting the X server from scratch fixes the issues with working on the legacy code, showing the problem isn't the legacy protocol, it's the implementation of it. It's still early days for this project, but we'll see where it goes.