National Bank - New Unique Building

• The National Bank allows storing a portion of the treasury as reserves, with full control over deposits and withdrawals.
• Reserved funds are not affected by inflation.
• These reserves provide financial stability and help maintain strength during wars.
• Funds deposited in the National Bank are not automatically transferred back to the treasury, even if your treasury is negative. Withdrawals must be done manually.
• The National Bank has a reserve limit based on income and taxation of Civilization
• You can open the National Bank menu from the Civilization Decisions menu or from the Budget menu.

National Bank must be constructed, Requirements:

• The civilization must control at least 10 provinces
• Technology level of at least 0.4
• Sufficient gold for construction

Effects:

• Unlocks the National Bank system
• Increases acceptable taxation level by +1%

Deposit funds into the National Bank

• Gold can be freely transferred from the treasury to the National Bank at any time.
• Use the slider to set the amount and press "Deposit to Reserves" to confirm.
• Gold stored in the National Bank does not count toward the treasury and does not affect inflation.
• It can be used as a financial reserve or war chest, providing security in times of war.

Withdraw Funds from the National Bank

• Gold can be transferred from the National Bank reserve back to the treasury at any time using the slider and the "Withdraw from Reserves" button.
• This allows quick access to stored reserves for wars or economic needs.

National Bank Visibility in Diplomacy

• The diplomacy menu now shows whether a civilization has a National Bank
• A National Bank icon appears next to the capital name if the building has been constructed

AI National Bank Usage

• AI civilizations use the National Bank system and can store and withdraw gold, especially during wars.

Treasury Now Shows Inflation Threshold on Hover

• Now hovering over the treasury on the top bar shows: "Inflation threshold: XX Gold"
• Inflation starts when treasury exceeds: XX

Flag Painter - Create and customize Civilization flags during the game.

• Edit flags directly while playing, without leaving the game.
• Flags created in the Flag Painter are only used for that save and will be loaded when loading the save.
• A game must be saved at least once to access the flag painter.

Tools

• Multiple drawing tools: brush, square, circle, line tools (horizontal & vertical), and a star stamp.
• Horizontal Line Tool, draws a straight line across the map from left to right, keeping a constant Y position.
• Vertical Line Tool, draws a straight line from top to bottom, keeping a constant X position.
• Fill Bucket with adjustable tolerance for controlling how strictly colors are matched.
• Grid toggle to help align and structure designs.
• Color Picker, right mouse click to pick a color directly from the flag.

Undo & Save Backup

• Undo: Allows undoing the last painting action.
• Creates a backup of your current changes. Only one backup can be saved. You can return to it later using Load Backup.

Opening the Flag Painter

• Open the Flag Painter by right-clicking the flag in the diplomacy menu or using the "Flag Painter" button in the diplomacy/decisions menu.

Send a Spy - New Diplomacy Action

• Send a spy to another Civilization to reveal the positions and sizes of all their armies for 5 turns.
• The cost of a spy mission depends on your income and the targeted Civilization.

GameValues: gvRelations.json
SPY_COST_PLAYER_CIV_INCOME_MODIFIER: 0.5,
SPY_COST_TO_CIV_INCOME_MODIFIER: 1.0,
SPY_COST_MIN: 250,
SPY_NUMBER_OF_TURNS: 5,

Increased Requirements to See Armies

• Increased the required relations to see another Civilization's army.
• Now relations must be at least +85 instead of just being friendly.

GameValues: gvRelations.json
MIN_RELATIONS_TO_REVEAL_ARMY: 85,

Army Selection QoL Improvements

• The number of selected units is now shown in the bottom-left corner when multiple armies are selected.
• Helps track the exact army count when moving or disbanding selected units

Diplomacy Menu Quality of Life Improvements

• Diplomacy menu icons now display the number of civilizations in each category next to the icon.

Peace Treaties Now Displayed Directly on the Map

• When a Civilization signs a peace treaty with another civilization, it is now displayed directly on the map.

Declaring war on a friendly Civilization

• When declaring war on a friendly Civilization, both your neighbors and theirs may send insults.
• Declaring war on a friendly Civilization lowers your reputation and makes other Civilizations trust you less.

GameValues: gvRelations.json
WAR_ON_FRIENDLY_CIV_INSULT_CHANCE_100: 65,

Military Upkeep Changes

• Army upkeep now gradually increases over time
• Armies become more expensive to maintain as the game progresses
• Maximum upkeep increase is capped at +150% and is reached around turn 2000
• After reaching the cap, military upkeep stops increasing.

GameValues: gvMilitary.json
ARMY_UPKEEP_TIME_GROWTH_PER_TURN: 0.00075,
ARMY_UPKEEP_TIME_MAX_MODIFIER: 1.5,

Disappearing Army Fix

• Fixed a bug where the lord’s army could turn into the vassal’s army after a joint attack.
• This also applies to joint attacks with allies, where army ownership could change.

Nukes restricted to top 14 Civilizations

• Nuclear weapons can only be built by the top ranked Civilizations.

You can change the limit

• By default, only the top 14 civilizations can build nukes. This number can be changed in the options before starting a game.

New Civilization Provinces Menu

• In the diplomacy menu, clicking the number of provinces below a civilization's name now opens a new special menu listing all provinces of that Civilization.
• Civilization provinces can be sorted by population, economy, and name. The menu automatically generates pages if the Civilization has many provinces.

You can check where a Civilization has its strongest provinces or where all its provinces are located. Clicking on a province name will center the map on that province.
Clicking a province on the map will automatically switch the menu to the civilization that owns it if it differs from the currently selected one.
You can also open this menu by right-clicking the "Civilization Territory View" button.

In Game World Editor

• Allows you to modify the world during an ongoing game. Change diplomacy, edit borders, transfer provinces, add civilizations, and add or remove players at any time.
• Unlike Sandbox Mode, the In Game World Editor does not grant unlimited gold, movement points, or diplomacy points.
• Gameplay remains unchanged, only adding new options for modifying the world.

By default, the In Game World Editor is disabled.
You can enable it in the options menu when creating a new game.

In the Game World Editor, buttons are available in the player's Civilization decision menu.

• Manage Diplomacy
• Add New Civilization
• Assign Provinces
• The "Add New Player" button is at the end of the diplomacy actions menu.

New: Assign Provinces during the game

• New Assign Provinces option available in Sandbox Mode and the "In Game World Editor" Mode, allowing you to change borders during the game as you wish.

Console commands

• New console command "editor" which enables/disables the In Game World Editor.
• New console command "assign" added, which opens the Assign Provinces menu and allows you to change the borders of any civilization during game.

Scenario Editor: Assign Neutral Provinces Only

• Added a new option: "Assign Neutral Provinces Only".
• When enabled, only neutral provinces can have their civilization changed in the Assign Provinces menu.
• Provinces already controlled by Civilizations will be ignored, helping prevent accidental reassignment and making scenario editing more precise.

When assigning provinces, a flag and the Civilization's name will now be displayed in all civilization capitals instead of just flags.

Disband all selected Armies

• Added a new option to the army menu that allows you to disband all selected armies in one action instead of individually.

https://www.youtube.com/watch?v=-Lof7r7fdkw

Invest & Build in Foreign Province

• Investing in an occupied province is no longer possible.

Invest in Foreign Province

• Foreign investments in a province were previously unlimited. Now, each province is limited to 3 active foreign investments.

GameValues: gvInvestForeign.json
LIMIT_OF_INVESTMENTS_IN_A_PROVINCE: 3,

Ranking Menu

• Clicking the score in the ranking menu switches to details mode, where each Civilization's population and economy are displayed. Colors have been added to highlight this information in details mode.
• Right-clicking a Civilization in the ranking menu now opens a menu with all its provinces.
• Hovering over economy and population now displays more information.

Manage Diplomacy

• Fixed a bug where, when using "Manage Diplomacy" mid-game and setting relations to "At War!" the AI wouldn't move until the front line changed for the first time.
• Now the AI immediately starts attacking.

Difficulty: Legendary

• Legendary difficulty has been slightly reduced, players now earn more gold per turn.

Create New Game: New Options

• Diseases can now be disabled in the options menu before starting a game.
• Remove All Alliances
• All alliances will be removed from the current scenario. Reload the scenario to restore alliances.

Fixed Budget Exploit with Negative Gold

• Fixed an exploit where investments or goods spending could be set to 100% while the treasury had negative gold.
• Now, if treasury gold falls below -2000, pressing the End Turn button will automatically adjust spending to the minimum required levels for goods and investments.

Population Transfer Exploit Fix

• Fixed an exploit where "Population Transfer" could be used in occupied provinces.
• This is now only possible in owned provinces.

Relocate Population Exploit Fix

• Fixed an exploit where "Relocate Population" could be used in occupied provinces.
• It is now restricted to owned provinces.

New Setting Options

• Lord Flag Overlay for Vassals: On / Off
• Flag Waving Animation: On / Off

UI Hide Hotkey: F10

• Added a hotkey to hide the interface
• Enable "UI Hide Hotkey" in settings to unlock this feature
• Press F10 to hide or show the interface

Removed Buttons from Diplomacy Menu

• Invest in Foreign Province
• Build in Foreign Province
• Send Volunteer Army

Send Volunteer Army is available in the army menu, click an army at the top.

Formable civilizations

• The game can now load a formable civilization with the same real tag as the civilization but with a different government.
• How to Add a Formable Civilization Description

Visual improvement to diplomacy menus

• Long civilization names are now shortened so they don't go over the number of provinces.

Diplomacy

• Fixed a bug where the player could end a war by sending an insult.
• It is now no longer possible to send insults during a war.
• Fixed a bug where Civilizations friendly to the AI Civilization weren't updating.

Vassals

• Fixed a bug preventing vassals with high liberty desire from declaring independence. Vassals will now declare independence correctly.
• Each turn, the game checks a portion of Civilizations. Conquered vassals with no provinces are automatically removed and no longer displayed as vassals.

Eternal War Fix

• Fixed a bug where Eternal War had no effect
• Wars are now declared correctly at the start of the game

Allies

• Allies will no longer send ultimatums demanding your vassalization.

Front Lines

• Now front lines will be rebuilt more often. This improves the functionality of the "Move to Front Line" action.

Events

• Fixed a bug with copying events when using the new JSON saving system.
• Fixed an issue where long event descriptions could become too large and push decision buttons off-screen.
• Event descriptions are now scrollable with a height limit.
• Fixed a bug where changing a civilization name through events could cause the displayed country name to keep the length of the old name. The name will be updated on the next turn.
• Fixed is capital trigger

Mod Compatibility Fix

• Fixed a bug where using mods could return the player to the main menu
• This could happen when releasing a civilization as a vassal or when adding a new civilization in the editor

UI Text Fixes

• Fixed an issue where province action button text (e.g. "Move", "Recruit", "More", "Nuke") could exceed button width in non-English languages. Text is now automatically shortened.

Minor bug fixes

• Fixed a visual bug in the scenario editor where the image behind the flag was displayed incorrectly when assigning provinces.
• Fixed a visual bug where the menu title background for Build Supply Camp and Abandon Province was not displayed correctly.

Rebels Rework

• The Rebels Rework is planned for next update. More information will follow closer to release.

National Bank - GameValues: gvIncome.json
BANK_COST: 0.096,
BANK_REQUIRED_PROVINCES: 10,
BANK_REQUIRED_TECH_LVL: 0.4,
BANK_ACCEPTABLE_TAXATION: 0.01,
RESERVE_LIMIT_MODIFIER: 9.25,
INITIAL_RESERVES_BONUS: 100,
AI_BUILD_NATIONAL_BANK_MIN_TURN: 10,
AI_NATIONAL_BANK_DEPOSIT_RATIO_MIN: 0.13,
AI_NATIONAL_BANK_DEPOSIT_RATIO_RANDOM_100: 10,

https://store.steampowered.com/app/3381680/Age_of_History_2_Definitive_Edition/