The EU4 devs have been using forum suggestions to aid gaps in AI

One fan in particular managed to reverse engineer AI behaviour in a way that was easier to understand than the code itself

Paradox, please fix non-european nations having the same tech level as europeans throughout the entire game. : r/paradoxplaza

Europa Universalis IV

Is it possible to rule the entire world in the Europa Universalis games? - Quora

Unbalanced Institutions Paradox Interactive Forums

Everyone hates Poland : r/eu4

Europa Universalis IV - Development Diary 14th of March 2023 - Government Mechanics + Free Content, Page 10

Collections: Teaching Paradox, Europa Universalis IV, Part III: Europa Provincalis – A Collection of Unmitigated Pedantry

Hearts of Iron IV Review - The Greatest War

EU4 - Development Diary - 26th of May 2016

Victoria 3 - Dev Diary #99 - Colossus of the South : r/victoria3

The great power intervention needs an update

This new ai be hitting differently : r/eu4

Ai is developing too much now?