DOTA 2 Update - May 16, 2013

GAMEPLAY
Elder Titan:
- Fixed  Ancestral Spirit giving vision to Elder Titan while dead.
- Fixed  Earth Splitter being placed slightly too far forward.
 Natural Order:
- Fixed not getting upgraded on the  Ancestral Spirit if it was already in the air.
- Fixed sometimes not getting applied before  Ancestral Spirit's damage.
Ursa
- Fixed  Fury Swipes stack getting dispelled with Magic Immunity.

PERFORMANCE
- Added vsync support to windowed modes.
- Reduced memory fragmentation.

COMMUNITY
- There are now 6 broadcaster channels.
- Added map ping throttling for communication banned players.

INTERNATIONAL COMPENDIUM
- Now highlights Compendiums that are gifts from other players.
- Updated with new stretch goals.
- Prize pool now displays how much the Compendium owner has contributed.

DOTA ECONOMY
- Particles on unusual couriers work again.
- Strange items that count things other than kills work again.

Source: Dota 2 Update - May 16, 2013