4.20.3
Custom maps are retained when starting a new game from an old one
Spies ‘evacuate’ correctly from destroyed cities
Spectators can see the building list again
By unciv-loof:

Confirmation popup before breaking promise not to spy
ConstructImprovem…

4.20.2

4.20.1
Drastically reduced memory consumption
Barbarian encampments removed when tile enters civ territory
Peace/war declarations on a third civ not considered trade ‘gifts’
Fixed rare crash in cities when purchasing
Buildings with ‘Moves to new capita…

4.20.0
By unciv-loof:

Fix embassy trade logic bug
Popup after other civ responds to a demand

By SeventhM:

Add conditionals for current unit movement
Fix unavailable unique being ignored in unexpected places

Theoretical improvements to workerAutomat…

4.19.19
Reset tileset settings when deleting the mod that contained the tileset
AIs ignore demands/declarations of friendship from dead civs
By Ambeco:

AStar pathing no longer treats rivers as multi-turn obstacles
flat earth hexigonal no longer crashe…

4.19.18
Ignore free promotions for promotion path costs
Allow gaining free promotions before gaining XP
By Ambeco:

Mods can have multiple Ocean and Coast Terrains
AStar moves through same tiles as Classic

Add showDemographics option – By ICanSeeForev…

4.19.17-patch2

4.19.17-patch1

4.19.17
Ruleset switching in new game screen no longer allows zero victory types
Users cannot offer negative gold with ‘-50’ buttons
By unciv-loof:

Notification shows who is responsible for skipping or resigning a player
Newly fetched mod entries resp…