Consider removing window decorations on fullscreen windows

[probonopd]

https://dglava.github.io/en/orcsome.html

That should be doable with Menu natively, shouldn't it?

But we should keep the distinction between a window that is in fullscreen vs. a window that is merely maximized.

[velissarious]

But then how would it be minimized after removing the window decorations?

I think the behavior of windows should be consistent, they should always have a title bar.

You could consider making the windows always square like in the old system 7 to avoid the aesthetically displeasing double curve.

Alternatively modern macOS makes the windows title bar square when in full screen. But they also hide the menu bar and title unless on mouseover which I dislike as it reduces discoverability and increases cognitive load.

[probonopd]

We should keep the distinction between a window that is in fullscreen (then there should be no window title bar and no menu bar) vs. a window that is merely maximized (then there should be a window title bar and a menu bar).

The Macintosh Human Interface Guidelines from 1992 describe window size change behavior that is different from what users are expecting today (minimize/maximize/custom). So for helloSystem we are currently closer to other desktop systems in this regard.

[probonopd]

When using KWin (such as in the newest experimental builds):

kwriteconfig5 --file ~/.config/kwinrc --group Windows --key BorderlessMaximizedWindows true
qdbus org.kde.KWin /KWin reconfigure

Your title bars will disappear but you will need to use the keyboard (Command-F3) to close windows, minimize... --> Bad! Unless we put functionality into Dock and/or Menu to unmaximize such windows.