![]() ![]() ![]() Also, we’ve tuned up behavior at night and in the morning for “bedtime” mode: the night-time and early morning transitions are longer now. Now it transitions quickly to daylight instead. Better transitions If you woke up your laptop late in the day, f.lux used to do a very slow transition (as if you were “used to” the orange color).Backwards alarm clock For years we’ve wanted an alarm clock that answers the question, “How much sleep will I get if I go to bed now?” So we made a little version of it for f.lux.Check out the “Options” menu for this feature. Dim on disable It’s always been painful to disable f.lux for a color check or late-night design work, so we’ve provided a new option that dims your screen (a lot) when you disable.Fixed map popup when you change timezones (now you can tell it’s f.lux).Bugs fixed for Catalina (and Mojave): dimming fixes, white cursor fixes, entitlements and notarization.Some workarounds for “white cursor” problems.That means you can quit the app at any time to return to your display’s default values, or completely uninstall the app if you don’t like it without having to reset any of your computer’s display settings.V41 and 42.1 (Apple Silicon and bugfixes) But the best part about f.lux is that it makes no permanent system changes all of its color temperature magic is contained within the app itself. Those who depend on color accuracy for their work, such as photographers, video editors, and graphic artists, will want to stick to properly calibrated displays and color temperatures. While using f.lux, we’ve frequently finished our work at the end of the day and found the color temperature several thousand degrees warmer than when we started, but we never noticed the change as it occurred so gradually. While you can manually shift color temperature in immediate and dramatic intervals, if left to its own devices f.lux will slowly reduce color temperature as night falls and the day nears its end, moving just a few degrees at a time over the course of several hours. The benefit of f.lux’s automatic adjustments is that you may not even notice the change in your display’s color temperature. At night or in dark rooms, the warmer color temperature is indeed easier on the eyes, and after using f.lux for a few hours, you’ll be shocked at how unnaturally “blue” your screen looks when you quit the app or raise the color temperature back to the default value. But after a few minutes of usage, your eyes adjust to the new white point and color cast, and you quickly get used to the new look. The warmer color temperature is jarring at first, almost ugly. Those accustomed to their display’s default settings may be taken aback when first launching f.lux. Mac and Windows users can do this themselves by adjusting the color calibration of their desktop and laptop screens, but doing so can be a time-consuming manual process, requiring users to set a warmer color temperature at night, and then revert to a cooler color temperature the following day. This is bad news for those who prefer, or are required, to burn the midnight oil in front of their computers.ĭoctors and researchers hypothesize that using displays with warmer color temperatures set to match the time of day can counter the negative effects that backlit screens may have on nighttime eye strain and normal Circadian rhythms. It’s well known that the light emanating from your computer’s display can cause eye strain during the day, but did you know that it can also cause sleeping problems at night? A significant volume of research has revealed that the cool blue light that is common to the displays of our computing devices “can disrupt sleep or exacerbate sleep disorders, especially in children and adolescents,” when used at night. Save Your Eyes and Improve Your Sleep with f.lux for OS X and Windows ![]()
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