F.lux version 36.5 on OSX 10.11.1 is unreliable

    • f.lux enables itself only after opening the 'f.lux preferences' window (not after running the f.lux app)
    • most of the times, after enabling f.lux, the screen flashes for a few seconds, oscillating between the f.lux colours and the default OS colour profile, then f.lux remains disabled
    • it seems f.lux is affected by changing the brightness levels (either automatically or manually)
    • the app started misbehaving after one of the following two events: turning it off manually (for the first time) or connecting a secondary display through HDMI

  • You have to turn off automatic brightness in System Preferences > Displays.

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