Caddy 2.2 brings a number of new features, bug fixes, and other enhancements to the table! All users should test and then upgrade. Thank you to everyone who contributed to this release; it is a community effort.
Release notes and Download 
What can I say… go get it and have fun!
Edit: I guess I can say, thank you to all the sponsors who make it possible! We’re 76% of the way to our goal of 50 sponsors, at which point I will publicly release Project Conncept, a Layer 4 (transport; TCP/UDP) app for Caddy: GitHub - mholt/conncept: Project Conncept: A layer 4 app for Caddy that multiplexes raw TCP/UDP streams – sponsors get early access. If your company uses Caddy or CertMagic, please consider sponsoring, to the benefit of your customers as well!