Update from Win11 21H2 to Win11 22H2 leads to eye strain
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Very sorry to hear that :/
What's your monitor's panel? Mine is Innolux (using a Gigabyte M32q monitor). I've had huge problems with LG and AU Optronics panels in the past.
Also, I don't know anything about GTX 1660… I've had a 780 Ti and a 1080 before the 3080 and it did not collaborate well with LG and AU Optronics panels' monitors.
Seems you were correct that with a different setup it will yield different result and unfortunately you had to prove yourself right in a bad way. 
*addition to above after checking your monitor
Hey, I just saw that your monitor has a TN panel. Could it be that FRC/dithering is the problem. TN panels tend to be 6 bit and to reach 8 bit color they dither a lot. Could this be the issue with you?
To see if this is the case, please try this in the NVIDIA control panel:
tfouto hard to say.
I haven't done a comparison between the two versions on the same pc, but I would tell you it's the same. The audit mode of W11 is different, it definitely looks better but I can't use it on my work notebook.
However, as you may have read, I had found the right setup and it was destroyed by the KB5020880 update.
For now I uninstall it every day, but I don't know how long I can keep it up....
This is impossible to answer without a proper controlled setting study but we spend so much time on here blaming Intel or Graphics settings or whatever and what if it's just the monitor itself? In other words, do people get the same strain when using a streaming stick or a console including an older one like a PS3 vs a newer one vs a Windows laptop etc.
For me I don't see a difference from laptop to laptop or from console to a device like a Fire Stick or to a laptop. I'm not saying Windows can't be at fault of course but I think the biggest problem are the monitors themselves.
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Elever This is impossible to answer without a proper controlled setting study but we spend so much time on here blaming Intel or Graphics settings or whatever and what if it's just the monitor itself?
I greatly appreciate empirical research from even a scientific perspective. I'm sure you can agree with me that the "shotgun" approach of trying various things in isolation with the hope that they work gives delayed progress in the best case with a lot of wasted time and money in the worst case when we're trying to live and work as normal people do. Even this is a nonstarter for trying to engage with companies, however as I've discussed on this forum the expense to undertake such empirical research and cover all potential bases (i.e blue light, PWM or other backlight oscillations, color spectrum, LCD inversion, temporal dithering) is a nontrivial sum and we can't exactly expect companies to undertake such research with a high priority.
To respond your second point
what if it's just the monitor itself? In other words, do people get the same strain when using a streaming stick or a console including an older one like a PS3 vs a newer one vs a Windows laptop
Can't comment on that exact scenario, but here's an example of a certain GPU having aggressive color dithering on a static image visualized by my software. So certainly the source the device can have an impact on the quality of the signal that's largely independent from the monitor.
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ryans If you have Windows 11 Pro, you can use Group Policy Editor to set target Feature release for Windows Update to 21H2.
Link: Specify Target Feature Update Version in Windows 11
This way you will continue to get updates for Windows 11 21H2 until its end of life, but it will not update to 22H2.
I also use this method on Windows 10 to prevent feature updates and update to Windows 11.
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@"ryans"#p26563 Pause feature+quality updates until 2050 (Drivers/MS Store/Defender Updates will work as normal):
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsUpdate\UX\Settings]
"PauseFeatureUpdatesStartTime"="2019-01-01T12:00:00Z"
"PauseQualityUpdatesStartTime"="2019-01-01T12:00:00Z"
"PendingRebootStartTime"="2019-01-01T12:00:00Z"
"PauseUpdatesExpiryTime"="2050-01-01T12:00:00Z"
"PauseFeatureUpdatesEndTime"="2050-01-01T12:00:00Z"
"PauseQualityUpdatesEndTime"="2050-01-01T12:00:00Z"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsUpdate\UpdatePolicy\Settings]
"PausedQualityStatus"=dword:00000001
"PausedFeatureStatus"=dword:00000001Pause only feature updates(ex: 22H2) until 2050 (Drivers/MS Store/Defender/Quality Updates will work as normal):
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsUpdate\UX\Settings]
"PauseFeatureUpdatesStartTime"="2019-01-01T12:00:00Z"
"PendingRebootStartTime"="2019-01-01T12:00:00Z"
"PauseUpdatesExpiryTime"="2050-01-01T12:00:00Z"
"PauseFeatureUpdatesEndTime"="2050-01-01T12:00:00Z"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsUpdate\UpdatePolicy\Settings]
"PausedFeatureStatus"=dword:00000001Resume updates again:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsUpdate\UX\Settings]
"PauseFeatureUpdatesStartTime"=-
"PauseQualityUpdatesStartTime"=-
"PendingRebootStartTime"=-
"PauseUpdatesExpiryTime"=-
"PauseFeatureUpdatesEndTime"=-
"PauseQualityUpdatesEndTime"=-
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsUpdate\UpdatePolicy\Settings]
"PausedQualityStatus"=-
"PausedFeatureStatus"=-Save text as .reg file and run it.
NOTE: On Windows 11 you first need to go to Windows Updates section, click Pause, and then apply the registry tweak.
For me the last Windows 10 update also introduced some changes for display. I was playing Desperados III without issues and after the Windows updated I can't watch at this game anymore. Same graphical settings etc. No idea what's happend.
CorvusCorax Is it Windows 22H2?
Staycalmsyndrome Where security/patches updates fall in?
Quality updates?
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