Alternate sub icons for Light + Dark mode
Light and Dark mode are native features to Twitch but certain colours or designs don't translate well to both palettes unless you add a stroke, drop shadow or some kind of accenting design around the icon.
At 18x18 pixels that's a lot of real estate to lose at such a small scale..
My proposal is simple. Allow people to upload altered versions of sub icons that display well in Dark Mode.
I currently have a design I like but it can't work in both modes. If I were able to upload one with white portions and the other with black to contrast with the backdrops of each mode, I'd be golden!
I'm well aware people might try to abuse this system by essentially doubling their sub icons by having them be drastically different in Dark Mode but this can be policed with manual approvals.
I wouldn't mind waiting a little longer for sub icons to go live if it required somebody at Twitch giving them a quick glance and saying "yup, that's clearly an adaptive change"
This would be a huge quality of life feature and I can't imagine it's too difficult to implement