Currently, the download server seems to still point to 2.6.3
for some platforms. On Linux, I get version 2.6.3
instead of 2.6.4
with the following commands:
rm -vf caddy
curl -o caddy -fsSL 'https://caddyserver.com/api/download?os=linux&arch=amd64'
chmod +x caddy
./caddy version | awk '{print $1}'