>(Firefox updates at random time, then kindly asks to reboot by replacing each webpage by a grey one with a restart button, and it doesn't restart tabs in priva

>(Firefox updates at random time, then kindly asks to reboot by replacing each webpage by a grey one with a restart button, and it doesn't restart tabs in private windows) that happened to me several years ago despite automatic updates being explicitly turned off - I actually have a screenshot of the settings page next to that gray one