While there are some pretty great features for Linux 5.5, one that didn’t make it quite in time was the long-awaited introduction of WireGuard as the in-kernel secure VPN tunnel. While it was a bummer it didn’t make 5.5, all indications are at this point is that it will be in Linux 5.6…

Source: Phoronix – WireGuard Sends Out Latest Patch Revision In Preparing For Linux 5.6