Ancient Age:
Altar
- +1 Hapiness when constructed on rough terrain
Academy
- Removed Resource Science adjacency bonus:
- Added adjacency bonuses:
- +1 Science when adjacent to a Palace or City Hall.
- +1 Science when adjacent to a Villa.
Amphitheater
- +1 Culture when adjacent to a Palace or City Hall.
Arena
- Added adjacency bonuses:
- +1 Happiness when adjacent to military-related constructs.
- +1 Happiness Hapiness for each adjacent Quarter.
Barracks
- Removed all adjacency bonuses.
- Increase bonus for creating units by 5%
Library
- Removed Resource Science adjacency bonus:
- Added +1 Science when adjacent to a Palace or City Hall
Bath
- +1 Food when adjacent to a Palace or City Hall.
Blacksmith
- Removed all adjacency bonuses.
- +1 Production when adjacent to a Mine.
Garden
- +1 Food when adjacent to a Palace or City Hall.
- +1 Food when adjacent to a River.
Lighthouse
- +1 Gold when adjacent to a Palace or City Hall.
- +1 Gold when adjacent to a Resource.
Market
- +1 Gold when adjacent to a Palace or City Hall.
- +1 Gold when adjacent to a Resource.
Monument
- +1 Culture when adjacent to a Palace or City Hall.
Exploration Age
Armorer
- Removed all adjacency bonuses.
- +1 Production when adjacent to a Mine.
Bank
- +1 Gold when adjacent to a Palace or City Hall.
- +1 Gold for every City State you are Suzerain of
- Set base Gold to +3.
Bazaar
- +1 Gold when adjacent to a Palace or City Hall.
Dungeon
- Removed all adjacency bonuses.
- +1 Diplomacy when adjacent to a Palace or City Hall.
- Set base Diplomacy yield by +3.
- Changed the base +3 Production yield to +2 Happiness
Guildhall
- Removed all adjacency bonuses.
- +1 Gold when adjacent to a Production-related building.
Hospital
- Removed Coast adjacency bonus
- +1 Food when adjacent to a Science-related construct
- +1 Food when adjacent to a Religious-related construct.
- +10 healing for military units on this tile
Tavern
- +1 Food when adjacent to a Natural Wonder.
- +1 Food when adjacent to a Mountain.
Temple
- +1 Hapiness when constructed on rough terrain
Observatory
- Removed Resource Science adjacency bonus
- +0.5 Science when adjacent to a Desert biome
- +1 Science when adjacent to a Mountain.
- +2 Science when constructed on Rough Terrain
Pavilion
- +1 Culture when adjacent to a Palace or City Hall.
- +0.5 Culture when adjacent to an Urban district.
Shipyard
- +0.5 Production when adjacent to a Warehouse-related building.
University
- Removed Resource Science adjacency bonus
- +1 Science when adjacent to a Palace or City Hall.
- +1 Science when adjacent to a Happiness-related construct.
Modern Age
Building-Specific Changes
Cannery
- +1.5 Food when adjacent to a Fishing Boat.
- +1.5 Food when adjacent to a Plantation.
City Park
- +1 Happiness when adjacent to a Coast.
- +1 Happiness when adjacent to a Navigable River.
Department Store
- Removed adjacency bonuses:
- Happiness bonus for Natural Wonders.
- Happiness bonus for Mountains.
- +0.5 Happiness when adjacent to an Urban district.
Laboratory
- Removed Resource Science adjacency bonus
- +1 Science when adjacent to a Factory.
- +1 Science when adjacent to a Science-related construct.
Launch Pad
- -1 Happiness when adjacent to an Urban district.
Military Academy
- Removed Resource Production adjacency bonus
- +1 Production when adjacent to a Military-related construct.
Museum
- Removed adjacency bonuses:
- Culture bonus for Natural Wonders.
- Culture bonus for Mountains.
Opera House
- +1 Culture when adjacent to a Diplomacy-related construct.
- -1 Culture when adjacent to an Airfield.
- -1 Culture when adjacent to a Rail Station.
Port
- +0.5 Gold when adjacent to a Warehouse-related construct.
Radio Station
- Removed adjacency bonuses:
- Happiness bonus for Natural Wonders.
- Happiness bonus for Mountains.
- -1 Happiness when adjacent to an Airfield.
- -1 Happiness when adjacent to a Rail Station.
Schoolhouse
- Removed Resource Science adjacency bonus
- +1 Science when adjacent to a Tenement.
- +0.5 Science when adjacent to an Urban district.
Stock Exchange
- Removed all adjacency bonuses.
- +1 Gold for every adjecent gold Building.
Tenement
- -1 Happiness when adjacent to an Airfield.
- -1 Happiness when adjacent to a Rail Station.
- -1 Food when adjacent to a Factory.
- +1 Food when adjacent to a Mountain.
- +1 Food when adjacent to a Natural Wonder.
Known Issues
- Negative adjecencies are displayed as +- x instead of -x.
- Some improvement adjecency boni (like +Food from fishing boats or + Industry from mines) are shown twice
- Golden Buildings seems to use the old adjecencies