Dota 2 Update - May 21st, 2013

GAMEPLAY
- Elder Titan: Fixed Ancestral Spirit giving vision to Elder Titan while dead.
- Elder Titan: Fixed Earth Splitter being placed slightly too far forward.
- Elder Titan: Fixed Natural Order not getting upgraded on the Ancestral Spirit if it was already in the air.
- Elder Titan: Fixed Natural Order 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.
- Fixed an issue where the Smeevil Courier view counter was not updating correctly.

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