

Basically, on any sane window manager no matter if Wayland or X11, you’ll get the same frame for all apps for free.
From all the big desktops it’s only GNOME that somehow decided server-side decorations weren’t a good idea implement, and now all Wayland apps have to hand-roll a hacky workaround. The “flat frameless window” look was Electron’s GNOME workaround. What the article is describing is a more elaborate GNOME workaround. On e.g. KDE, none of these problems existed in the first place.
I appreciate the clarification! However, 1. the original comment seemed to be talking about a simple uncustomized frame not looking correct, which sounds like the GNOME problem. And 2. the article still seems to imply Wayland means no SSD, as far as I can tell, which to my knowledge as a general statement isn’t true.
Therefore, I apologize for misreading the main intention of the article, but I think there are multiple reasons why people might misread it. Perhaps some clarifications could help?