|Overlords: All Zerg commanders|
- Pneumatized Carapace research cost decreased from 100/100 to 50/50.
Overlords with the Ventral Sacs upgrade now drop their cargo if they are destroyed.
- After Pneumatized Carapace is researched, Overlord movement speed increased to 3.38, up from 1.88.
- After Pneumatized Carapace is researched, Overlord acceleration increased from 1.0625 to 2.125.
- Baneling Spawn cargo space reduced from 2 to 1.
- Zagara's Respawn time decreased from 120 seconds to 60 seconds.
- Medusa Blades damage increased from a flat 10 to 50% of Zagara's weapon damage.
- Sustained Frenzy Mastery replaced with Intensified Frenzy Mastery. Its new functionality increases the attack and movement speed bonuses granted by 1.5% per point, up to a maximum of 45%.
- Mass Frenzy Cooldown decreased from 120 seconds to 90 seconds.
- Movement speed of Roaches from Infested Drop increased from 2.25 to 3.
- Zerg Melee Attacks upgrades renamed to Zerg Ground Attacks. This upgrade now benefits Zagara's Queens, Hunter Killers, and Roaches, in addition to its current functionality.
- Banelings now receive +4 damage (+8 vs. Structures) with each Zerg Ground Attack, up from +4 (+5 vs. Structures).
- Scourge now receive +11 damage for each Flyer Attack upgrade, up from +5.
- Zagara's Level 1 talent, Relentless Swarmer, now reduces the supply of Queens from 2 to 1, in addition to its current functionality.
- Zagara's Zergling Evasion percent chance increased from 0.5% to 1.5%. Maximum bonuses increased from 15% to 45%.
- The Abberation's Protective Cover has been reworked. Its new functionality reduces all damage dealt to units under its cover by 50%.
- Abberation now receive +2 damage (+4 vs. armored) with each Zerg Ground attack, up from +2 (+3 vs. armored).
- Corruptor movement speed increased from 2.9531 to 3.375.
- Corruptor acceleration speed increased from 2.625 to 3.
- Corruptor Parasite Spore weapon damage point changed from .1670 to .0625.
- Corruptor damage changed from 14 (20 vs. Massive) to 14 (28 vs. Armored).
- Corruptors now receive +1(+3 vs Armored) damage for each Flyer Attack upgrade, changed from +1 (+2 vs. Massive).
- The damage bonus provided by Corruption is increased from 20% to 35%.
- Corruption cooldown decreased from 45 to 15.
- Zagara's level 8 upgrade, Incubate Banelings, has been renamed to Incubate Banelings and Scourge. It now has the following additional functionality: Corruptors spawn 2 Scourge when killed.
- The Bile Launchers' Bombardment ability has been reworked. It will now bombard a target area repeatedly instead of attacking it only once per command.
- Bile Launchers can now target areas in the fog of war.
- The Bile Launcher's Artillery Ducts upgrade now provides 9 additional range, up from 7. Maximum range after the upgrade increased from 20 to 22.