I use Ctrl+Shift+Q for other purpose,
so when I use it, the Firefox would close all things which is very annoying for me.
I tried to change the short cuts, but
- Firefox suggests Saka Key at https://support.mozilla.org/en-US/kb/keyboard-shortcuts-perform-firefox-tasks-quickly#w_windows-tabs, but I didn't see any configuration for exit (as below).
- From How to change Mozilla Firefox quit shortcut?, there is no current solution for Firefox 57+
Is it still possible for me to change the quit shortcut? Thanks!