New Features
[+] Added Jefferson as a formable nation

Localization changes
[+] Dramatically increased the pool of names for rulers and generals
[+] Sea tiles around Hawaii now have proper names
[~] Connecticuter culture renamed to Nutmegger
[~] Portlander culture renamed to Down-easter

Gameplay changes
[~] Form decisions for larger regional tags are shown earlier in your campaign to help with planning
[~] Form decisions for states now highlight only the absolutely required provinces rather than all provinces in the region
[~] Grant county, WV is now in the DC trade node (instead of Maine for some reason)
[~] Arlington now starts in the HRE
[~] Atheist and Baptist religious bonuses slightly nerfed
[~] Mormon Corridor culture group countries can now form Frontier and Western Dominion
[~] Columbian culture group countries can no longer form Pacifica (they can still form Cascadia, though)
[~] Upstater culture group countries can no longer form the Heartland Empire
[~] Tidewater, Lowlander, and Rocky Mount cultures can no longer form Deep South
[~] Native populations increased

Bugfixes
[~] Fixed form decision conditions for the North Atlantic Union
[~] Fixed idea bonuses occasionally having extremely wrong values due to overwriting
[~] Steele county, MN unit locations fixed
[~] Kalkaska county, MI no longer coastal
[~] Cleaned up source of ~50% of lines in error.log, most of these were due to French localization references to vanilla provinces and cultures
[~] Vanilla Oromo migration event no longer fires