4.12.17
Modding:

More unit uniques applicable globally
Recognize Tutorials.json file in ruleset validation

‘Unavailable’ promotions are unavailable in UI as well
Can go to war with no warmongering penalties if allied or protected city-states have bee…

4.12.16
Fixed world wrap for games saved during 4.12.15
‘gain control over tiles’ trigger leaves your tiles alone
By SomeTroglodyte:

Fix new improvements becoming visible on non-observed tiles
Fix rare crash opening overview on turn 0
Console command …

4.12.15-patch2