MacOS Catalina Bug
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This should only be in the about box, which we use to estimate screen brightness. Could add a button you'd have to push if it's too alarming.
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F.lux didn't work for me either when I installed Catalina, but when I ticked "true tone" box it started working normally again.
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Anyone with "Feedback Assistant" please send a note to Apple for us?
Has to be done on a machine that's affected, and we haven't bought a new MBP yet. :)
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Just a small report from me - everything works now. I haven't changed anything nor updated something, yet it started to work normally again. Maybe this is only in the first few hours after upgrading?
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@_paul Okay so maybe this is a True tone conflict, it just takes some time to actually turn off?
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Still experiencing same problem, turning of True Tone/Auto Brightness didn't help
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For me it works when my external display is plugged in. As soon as I unplug it everything starts flickering and the color filter is only showing around the UI elements, on and off.
As other mentioned, True tone and auto brightness don't change a thing.
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Same issue on MBP 15,4. Haven't yet noticed the problem on iMac 18,3 with additional external display.
For what it's worth, a system restart fixes this bug for me, at least until a subsequent sleep/wake cycle. (Merely restarting f.lux does not fix the bug, though obviously the flashing effect ceases when f.lux is disabled.)
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In case it helps this is happening on my macbook pro since installing Catalina. It also happens with another similar app called Iris.
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Have true tone disabled, have night shift disabled, and no external monitor. With flux running the screen flickers and changes color on a regular/random basis.
Have the issue with both stock and custom profiles. It's definitely a flux/catalina incompatibility. Now, on who's end I can't say :-).
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any update on whether this will be fixed?
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@bnodvin we do not have a workaround.
As above, anyone with "Feedback Assistant" please send a note to Apple for us?
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And it's back again after installing the latest update. :-(
herf: Any way to get that feedback app without being a developer?
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I'm seeing this issue as well. In case it's helpful, here's a short (1 min.) video to give you an idea what's happening. As you can see onscreen in the video, both True Tone and automatic brightness are already disabled.
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Two things:
- How many of you have a dual-GPU mac, vs. integrated only?
- Does it help (in either case) to enable writeProfile using these instructions?
https://justgetflux.com/news/2014/10/28/profile.html
defaults write org.herf.Flux writeProfile 1
If this is happening mostly on discrete GPU macs, it's possible that the new security parameters in Catalina are preventing f.lux from noticing it's a dual GPU machine (which I had not considered before).
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@_paul said in MacOS Catalina Bug:
And it's back again after installing the latest update. :-(
herf: Any way to get that feedback app without being a developer?
OK: Turns out this is really wierd. It's back to working again. I have not changed a thing, have not rebooted or something, it just works. The same as last time - Wait a few days, and it'll sort it out by itself. Guess I better not reboot anytime soon, haha.
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I am also experienced this issue after upgrading to Catalina on my 2019 MBP (13 inch).
It appears to blink within Firefox only, although, the color/temp is messed up across all apps.
It's only being experienced when no external monitors are connected. Issue is not present with an external monitor connected.
@herf said in MacOS Catalina Bug:
Two things:- How many of you have a dual-GPU mac, vs. integrated only?
- Does it help (in either case) to enable writeProfile using these instructions?
https://justgetflux.com/news/2014/10/28/profile.html
defaults write org.herf.Flux writeProfile 1
If this is happening mostly on discrete GPU macs, it's possible that the new security parameters in Catalina are preventing f.lux from noticing it's a dual GPU machine (which I had not considered before).
- Integrated only
- This did not help, unfortunately.
If I can provide any additional information, please let me know.
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Truetone have been causing problems with flux for the last year, but after MacOS Catalina it is impossible, is flashing with every single white colour in the screen, this is the first time in 10 years that my only option is disabling flux
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In case this helps anyone, I was having issues on a 2018 MBP w/ integrated graphics, however enabling True Tone seems to have fixed the issues I was having. I think I had to disable true tone in the last release, lol.
I also have night shift disabled.
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Update: Issue is no longer present on my end after latest Catalina update; 10.15.1
