Spells and upgrades are the targets of the latest HotS beta patch. Aside from Blink, Fungal Growth, Sentinel Missiles and Caduceus reactor suffer changes.
Terran
Medivac
The Caduceus Reactor upgrade now requires a Fusion Core before research can begin.
Widow Mine
Sentinel Missiles
Primary target damage reduced from 160 to 125.
Protoss
Stalker
Blink
Research time increased from 140 to 170 seconds.
Zerg
Infestor
Fungal Growth
Range increased from 8 to 10.
Missile speed increased from 10 to 15.
Links
Battle.net - Source