Alpha 21

Development started by ​Wildfire Games on april 2nd 2016 (r17966).

The following list highlights the most important changes (more noticable ones first):

Gameplay & Balancing ==

r17974 owning multiple wonders gives multiple population boni (#3522 #3792)
r18021 technologies can be researched on captured buildings r17999 defense tower techs don't affect wall-turrets anymore
r17970 reduce wall-tower range from 88m to 72m, increase minimum distance from 3m to 12m
r18008 Corrals: britons, gauls and iberians produce pigs, carthaginians, mauryans and ptolemians produce goats r18004 dropsites shared by default
r18007 allow sharing/unsharing multiple dropsites simultaneously

User Interface

r18014 Improve selection ring of animals (#3786)

Petra AI

r17971 use corrals with low starting resources

Engine

r17975 cinematic paths: interpolate camera rotation

Performance Optimizations

r18011 slight improvement of flood-fill algorithm of the hierarchical pathfinder