Well I just got it on my Oasis3. I have no use for it so now I have 2 icons I don't need in my menu. Bluetooth I also don't use.
I just had to look at it again as I only tried it out back when I got the Oasis2, before I had the 3. Yep, still as disturbing as it was then. Yikes makes my eyeballs wobble for some reason. Well not literally or course, just feels like it.
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I have sensitive eyes though and I don't see well when it gets dark so that is probably why. But I could never read on any white text on black.
Or green on black as I remember some programs from back when. That stuff did a number on my brain.
Surely soon it gets to everyone, and those that actually like having that toggle there and using that mode often. It is still also in accessibility by the way to turn on and off.