Yeah, this version is literally just silencing that warning that tells you you're using an unsupported server version when on 1.21. Yeah, 7.1.3 works on 1.21.

That being said though, speaking of versions, HeadsPlus' current build system causes issues for testing, version updating and also CI/CD. Because of this, I'll be looking to change this build system to what its sister plugin, AdvancedTeleport, uses in v6. However, a consequence of that will be losing 1.15.2-1.17.1 support. This probably won't apply next update, but probably in the near future - after that point, it should be easier for me to maintain and work on the plugin, so it doesn't look like AT is my favourite child. Tchau.