Looking on the WireGuard site, it says that it's still a work in progress that "may contain security quirks", but they also say "already it might be regarded as

Looking on the WireGuard site, it says that it's still a work in progress that "may contain security quirks", but they also say "already it might be regarded as the most secure, easiest to use, and simplest VPN solution in the industry." Both statements could be true, but I guess it's up to you whether or not you want to wait for a 1.0 release.