f.lux + Shades = Flashing
I'm using f.lux 37.2 with a 2010 mini, 10.7.5, Apple LED display, ambient light engaged- no issues.
f.lux 36.5, 37.2, with a 2012 mini, 10.10.5, Dell u2711 display, Shades- flashing like crazy.
Shades* is a screen dimming prefpane I use because the Dell's OSD doesn't get it in anywhere dim enough for low-light use. It's positively blinding, and only gets brighter.
Shades worked very well until I installed f.lux. Now I get flashing from bright (as though neither app were installed) to dim (as though both f.lux and Shades were working).
As Shades is third-party software and a prefpane, I'm not hopeful the devs here can do anything for me. While I'd like to think there may be a fix coming, I mention this situation in case it may bring to light any help for the general population.
I haven't tried f.lux with an El Cap volume yet, but will advise my results.
Thanks for a fine app.
*Shades: http://www.charcoaldesign.co.uk/shades This is not the same as the app in the Mac App Store. This is freeware. I mention the URL only so the f.lux devs can take a look if they want.
f.lux and Shades don't work together, I'm sorry to report. Wish I had better news.
In that case could f.lux duplicate the functionality of Shades? My monitor is just too bright at night, even with f.lux running and the brightness turned all the way down. A simple brightness adjustment option would be great.