Smart Referer is even stricter than this new policy if you don't use the recommended 'Lax' setting. It will block referers even on the same domain but to different subdomains, if you want it to.
>on Alpine OS I could get it working fine by installing some dependencies and recompiling Vim manually
maybe the mantainers of the vim package didn't use sensible build flags?
vim copy-pasting usually works out-of-the-box on Debian/Ubuntu and Fedora, I avoid small and cutting-edge distributions exactly because of quirks like this
