The first feature is invisible: there is now a check to verify that you are a human being when creating an account. This prevents the proliferation of accounts created by bots—so for you humans reading this message, there will be no noticeable difference. The second development is far more impressive. Paul has overhauled the map's data handling to make navigation much smoother and faster, and he took the opportunity to enhance how the information is displayed.
The Wiki database made by cavers for cavers.