- Added "Forage" unit ability, reducing attrition but slows movement speed.
- Added "Massacre" unit ability, costing 25 Military Power, killing a random pop in the current province. Can be used to depopulate a province entirely.
- Increased Dragon strength against other units to 2
- Added natural pop movement. Occuring once a year, pops will randomly move into neighbouring provinces.
- Added natural pop promotion. Occuring once a year, peasants will randomly be promoted into merchants, scholars or nobles.
- Added natural pop demotion. Occuring once a year, when a province has 1 unrest or more, or sieged. One of the nobles, scholars or merchants may randomly be demoted.
- Added natural pop assimilation. Occuring once a year, pops will randomly be converted to the primary culture.
- Added natural pop conversion. Occuring once a year, pops will randomly be converted to the primary religion.
- Added AI handling for new buildings
- Made "Dracarys" unit ability more powerful and lessened movement reduction
- Increased the cost for Pop Assimilation to 100 Oratory and Pop Conversion to 100 Religious. The intent is that these actions are only for special circumstances, rather than the primary method of conversion.
- Added "Search for Valyrian Artifacts" decision. Starts an event chain that can result in gaining the "Valyrian Sword" trait, granting +6 Martial and a discipline bonus.
- Added "Become the King-beyond-the-Wall" formable decision for Wildling nations
- Added "Form the Old Empire of Ghis" formable decision for Ghiscari nations
- Added "Form the Patrimony of Hyrkoon" formable decision for Hyrkooni nations
- Added "Form Westeros" formable decision for Westerosi nations

- Change Beesburg family to Beesbury
- Diplomatic Corps invention now grants Diplomatic Range.
- Increased the warscore cost of taking provinces to be more suited to the reduced density compared to vanilla.
- Dragonstone now starts with Familial Succession
- Added "Valyria" scenario, allowing you to play as or against the pre-doom Valyria. Note that Valyria appears in the normal setup, this is for technical reasons. They are immediately removed in the normal setup, replaced with a tribal nation.
- Fixed bad adjacencies and added new ones
- Adjusted civilization values from governments
- Fixed bugs due to Merdon using the MER tag
- Added ports to Valyria
- Adjusted province borders in Westeros
- Added more provinces to Westeros region
- Added impassable sections across mountainous areas
- Fixed many bad ship positions

- Fixed some bad terrain
- Renamed Supply Cohorts to Supply Armies
- Added missing modifier descriptions for the new units
- Implemented ledger