Whilst the software itself does not interest me as much, the hardware and ethical standpoint behind really does. Hoping that this will get good PostmarketOS support soon.

You want graphical interfaces? We already have a solution for it and it’s called ncurses!

Right- click on menubar, select “customize toolbar”, select " titlebar" on left bottom. See here: https://www.reddit.com/r/kde/comments/udvxje/why_are_the_window_decorations_for_firefox/