I feel this is a bit restrict. Gaming on Secureblue still very nitpick. It depends on the OP privacy spectrum to provide a better recommendation.
To not go that far, using Fedora Workstation, Silverblue, or one of the ublue images may bring a bit of an easier path. Although, I’m not sure about Fedora and derivatives future as a RedHat distro with direct influence from IBM growing and a potential interference.
If OP wants to continue the true rolling release distro nature, there are more options that are community maintained: Arch, Nix(has quite a few polemics regarding american defense contractor collaborations), Void(not a big fan of runit but…), Gentoo…