I agree with the above suggestion… I tried looking around to see if this is ‘in the works’ but couldn’t find one so I thought I’d add the two guys I see most on this site to maybe get an answer: @Mattches @Saoiray
I also add, could we move this out of Experimental/Flags Please?
Also @RyujiLy could I please ask you to edit your original post to include category: Desktop Requests (not just Brave Feature Requests) and maybe add some tags macos windows feature-request (if not it’s kinda old news at this point anyway 
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Background:
In wanting to use less Extensions (so not using “Dark Reader” anymore, see link below), I found the flag: brave://flags/#enable-force-dark that makes websites dark by default, and it’s good but not quite perfect if we can receive that EXCEPTION option and again maybe a native/non-flag option that would be even better. 
ALSO, I (again) VERY MUCH APPRECIATE the update improvement made to mobile (iOS: 1.70.1) on the Dark Mode side of things as mentioned in another recent post (see below)