Are you 1.17 Yet (yes but shhhh)

Right now the server is updated to 1.17 version of the Java version and all Minecraft C versions (this includes Windows, iOS, Android, xBox, and PS4/5). So you can now connect to the server with any way that you want to.

Enjoy the Caves update and the clifs update is coming via the 1.18 update since this is update is a 2 part update from Mojang.