https://forums.opera.com/topic/52666/no-readable-text-in-file-selection-popup-on-ubuntu-20-04/3?lang=en-US
No readable text in file selection popup on Ubuntu 20.04 | Opera forums
Jan 25, 2023 - @manuzzi I tried setting custom fonts in Settings but that did nothing either
no readable textfile selectionopera forumspopupubuntu