If you’re using it and it’s not even giving you enough trouble to check, then that’s a really good thing. If you use Gnome, you’re very likely to be using it as it’s been the default for a while on their side. KDE is also enabling it by default with Plasma 6.
It’s really awesome when it works well. It’s only a problem when it doesn’t but these days it’s rarer and rarer as the quirks are being ironed out. We’re even just about to get HDR.