Update 1.20 contains the following new features and bug fixes:
- Added undead faction to skirmish mode.
- Fixed bug where the AI was not rebuilding farms and stone cutters after they were destroyed.
- Fixed bug where units would sometimes carry on attacking a building even though it had been destroyed.
- Fixed bug where peasants would deliver/gather resources to/from buildings that have been destroyed.
- Added new environmental objects (bushes and leaves).
- Melee units will now attack slightly slower.
- Added new damage effect for units.
- General bug fixes.