A Librem 5 is running gedit (GNOME's text editor). A keyboard layout configuration file is being modified to showcase how keyboard layouts can be created/modified. The layout was modified to remove the letter "q" in the top row "q w e r t y ... ". Below the on screen keyboard is displayed and the letter "q" missing is indeed missing.
https://cdn.fosstodon.org/media_attachments/files/110/876/830/693/107/936/original/a6315100972cdf04.jpeg