How do I turn off the 'waking up' notifications?.

Look at System Preferences > Displays > Color. In most other cases, the fix is to disable automatic brightness AND reboot.

This is no longer happening for most people as of the 37.7 update.

On El Capitan, sometimes my screen is tinted during the day, even after quitting f.lux.

This fix from Apple is only in Mojave, so you'll want to upgrade to 10.14.

I have a newer 2017+ Macbook Pro running High Sierra (10.13), and sometimes white colors turn cyan.

For Chrome, one of our amazing users has made an extension that fixes the issue: This is a video driver bug and not something we can fix directly.

I have a newer 2013+ Intel GPU on the Mac, and fullscreen video has blue artifacts.

How do I donate to f.lux? There's a Paypal link here.

Mac update history, in AppCast format: macflux.xml Life and the universe.

Welcome BigUpdate Readme (includes release notes)

To install or uninstall f.lux, click here.

Search our list of questions first, and if you don't find what you need, head over to our forum.

Windows 10 change clock color