Adding an event for Polynesians that united the Hawaiians, to prevent 80% tech deficiency because they're three provinces away from feudal civilization.
Break up Neji by a couple provinces to slow their snowball
Add content to the Muror missions so they're actually functional
Add flags to the Naacal so that my eyes don't burn trying to figure out what is happening
Add flags to Lemuria for the same reason
Add some farmland over in the Naacal
Add negative opinion modifiers for the outer-countries so that they don't ally Neji immediately
Change Polynesian cultures to match closer to real-world regions
Add war event between Song and the Notua so things aren't boring in that corner
Add some farmland over in the Naacal