@boonzeet has updated the script to v1.2.
Improved v18 compatibility;
Added support for the Pokédex Area preview with the ability to launch into the full map view;
Added support for conditional hidden islands;
Added out-of-the-box PokéGear compatibility;
Added support for multiple regions;
The map now centers on the player upon opening;
Added Boonzeet to the credits.
Updated to v18.