diop How are you getting on with your W10 2004 install?
20 days on and I'm happy to report that I am symptom free, and have even been enjoying gaming on my laptop for the first time in 8 years. I've been playing Portal 2 as it was the game I started playing back in January 2012 on my brand new Macbook when I experienced my first powerful migraine and started my long journey to this point.
I've installed W10 2004 on my desktop machine too (Nvidia GTX 770) and updated to the latest drivers and I'm pretty confident in saying I can use that without issues also - so far I've not had any symptoms but it needs more testing. I would say that the newest Nvidia drivers feel better to me than the older ones which is also good news.
The only caveat on my laptop is I have to use the oldest available Intel graphics drivers (21.20.16.4475) and this means that the most recent hardware I can use is the 7th gen Intel processors. Switching to drivers from 2018 - 2020 gives me symptoms, although I've not done extensive testing of this for obvious reasons. I'm also still running ditherig.exe out of a purely 'if it ain't broke' mentality.
I've now tried 2 machines with the 10th gen Intel UHD 630 graphics and both give me symptoms very quickly.
So I feel like for me at least, any dithering / subpixel rendering issues within Windows have been fixed, and now I'm completely dependant on 'good' Intel graphics drivers. I've opened a line of communication with Intel and will try to make progress on that front, but overall I'm very glad to have multiple working setups on an up-to-date OS.
Anyone else having positive experiences with v2004?