: Improved screen dimming to protect eyes and save battery on OLED displays. Performance vs. Features
Night mode was already present, but version 74 introduces . Instead of just inverting colors, the browser now requests dark CSS from websites where available. For sites without dark mode, Opera Mini applies a new “OLED black” filter that turns true black pixels off on AMOLED screens, saving battery. You can schedule Night Mode based on sunset/sunrise using your location (optional). opera mini 74 android new