The CI should now cover most needs regarding prebuilt releases.
You can find links for the Arch, Ubuntu and Fedora Wine builds in the main README as well as "ready to drop in compatibilitytools.d" Proton builds based on both Valve Experimental Bleeding Edge and upstream Wine (currently requiring glibc 2.35 minimum).
Tagged releases might still be made available here in the future, but considering the high volume of regressions upstream and Proton's QoL patches being hard enough to rebase for us to be forced into the reverts route every few months, the nightlies will be just as stable.
If you think we should add more variations, please open an issue!