StarCraft II

StarCraft II 4.7.1 Patch Notes

StarCraft II 4.7.1 Patch Notes

Today marks the beginning of Season 4 of 2018, as well as the debut of all the new balance changes that we’ve been working on for the last few months. Thank you again to the pros and to the community that gave us the feedback we needed—we couldn’t have done it without you!


  • New Hydralisk Trophy Top for Season 4.



  • Widow Mine
    • The Drilling Claws upgrade now permanently cloaks Widow Mines when they're burrowed.
    • If Drilling Claws is researched, the Widow Mine will have a visual indicator to show that the unit has the upgrade.
  • Cyclone
    • Now requires a Tech Lab to be built at the Factory.
    • Health decreased from 180 to 120.
    • Movement speed increased from 4.13 to 4.73.
    • Tornado Blaster weapon changed to the Typhoon Missile Pod weapon:
      • Damage changed from 3 (+2 vs Armored) to 18.
      • Can target air and ground units.
      • Weapon speed changed from 0.1 to 0.71.
      • Range decreased from 6 to 5.
      • Weapon upgrades changed from +1 to +2 to account for the new damage value.
    • Lock On ability changed:
      • Ability can auto cast.
      • Can now target ground and flying units and structures.
      • Damage changed from 160 to 400 damage over 14 seconds.
    • Rapid Fire Launchers upgrade removed.
    • Added Mag-Field Accelerator upgrade:
      • After researching Mag-Field Accelerator upgrade, Lock On will deal 400 (+400 vs Armored) over 14 seconds to ground and flying targets.
  • Thor
    • Armor reduced from 2 to 1.
    • Explosive Payload AoE radius reduced from 0.6 to 0.5.
    • 250mm Punisher Cannons damage changed from 35 (+15 vs Armored) to 40 (+15 vs Massive).
    • Vehicle Weapons upgrade bonuses for 250mm Punisher Cannons changed from +3 (+2 vs Armored) to +4 (+2 vs Massive).
    • 250mm Punisher Cannons weapon speed changed from 2.14 to 1.71.
  • Medivac
    • High Capacity Fuel Tanks upgrade name changed to Rapid Reignition System.
    • Rapid Reignition System upgrade no longer increases Ignite Afterburners duration from 4.29 seconds to 6.43 seconds. Now, it decreases its cooldown duration from 8.57 seconds to 6.43 seconds. 
    • Medivacs can now heal units Graviton'd by Phoenix.
  • Banshee
    • Hyperflight Rotors upgrade cost decreased from 200/200 to 150/150.
  • Raven
    • Anti-Armor splash damage decreased from 15 to 0.
    • In addition to armor reduction, Anti-Armor Missile will also reduce Protoss shield armor by 3.
  • Battlecruiser
    • Removed random delay between shots.
    • ATA Laser Battery damage decreased from 6 to 5.
    • Can now move while shooting.
    • Yamato Cannon damage decreased from 300 to 240.
  • Engineering Bay
    • Neosteel Frame and Structure Armor upgrades merged. The new upgrade is called Neosteel Armor and will retain the functionality of both upgrades combined. It will cost 150/150 and take 100 seconds to research.
  • Barracks, Factory, Starport - Tech Lab
    • If a player tries to lift a structure when there is an upgrade being researched in an attached Tech Lab, they will not be able to do so and will receive a red text error message.
  • Sensor Tower
    • The structure's pre-placement selection display will now show a range indicator on the mini-map.


  • Queen
    • Transfusion no longer restores 125 health instantly. Now, it restores 75 health instantly plus an additional 50 health over the next 7.14 seconds.
  • Creep Tumor, Nydus Worm
    • Time in between creep growth increased from 0.3 to 0.45.
  • Overlord
    • Time between Generate Creep growth periods increased from 0.36 to 0.45.
  • Zergling
    • Unburrow speed decreased from 0.71 to 0.36.
    • Unburrow random delay decreased from 0.36 to 0.08.
  • Roach
    • Tunneling Claws cost decreased from 150/150 to 100/100.
    • Tunneling Claws no longer increases the health regeneration rate of Roaches from 7 HP/second to 14 HP/second.
  • Hydralisk
    • Unburrow speed decreased from 0.71 to 0.36.
    • Unburrow random delay decreased from 0.36 to 0.08.
    • Needle Spines attack speed changed from 0.54 to 0.59.
  • Infestor
    • Unit radius decreased from 0.75 to 0.625.
    • Model scale decreased from 0.85 to 0.75.
    • Burrowed unit radius now matches the new unborrowed unit radius.
    • Infestors can now move through units while burrowed.
    • Fungal Growth no longer allows affected units to Blink, Tactical Jump, or load into transports and buildings.
    • Infested Terran cast range increased from 7 to 8.
  • Ultralisk
    • New upgrade added: Evolve Anabolic Synthesis
      • Cost: 150 Minerals/150 Gas/42.85 second research time
      • Increases Ultralisk speed when off creep from 4.13 to 4.55.  The Ultralisk on-creep speed will remain the same at 5.36.
      • If Anabolic Synthesis is researched, Ultralisks will have visual indicators to show that they have the upgrade.
  • Nydus Network/Nydus Worm
    • Nydus Network cost decreased from 150/200 to 150/150.
    • Nydus Worm cost decreased from 100/100 to 50/50.
    • Nydus Worm are no longer be invincible when emerging. Now, they have 6 armor while emerging from the ground.
  • Burrow/Unburrow
    • Burrow and Unburrow have been separated into two separate buttons.
    • Burrowed and Unburrowed Zerg unit types will now be on the same tab-select, and both will be selected when double clicking on units.


  • Nexus
    • Mass Recall renamed to Strategic Recall.
    • Strategic Recall radius decreased from 6.5 to 2.5. 
    • Strategic Recall cooldown decreased from 130 to 85 seconds.
    • Chrono Boost will now display a visual status on boosted structures.
  • Sentry
    • Hallucination energy cost decreased from 100 to 75.
    • Guardian Shield radius increased from 4 to 4.5.
  • High Templar
    • Feedback now deals 0.5 damage per point of energy drained, down from 1 damage per point of energy drained.
  • Dark Templar
    • Shadow Stride research time decreased from 121 to 100 seconds.
    • Shadow Stride cooldown decreased from 21 to 14 seconds.
  • Robotics Bay
    • Cost decreased from 200/200 to 150/150.
  • Colossus
    • Colossus weapons now have turret tracking.
  • Disruptor
    • Purification Nova changed back to pre-4.0 state. Purification Nova deploys a ball of energy that will detonate after 2 seconds, dealing 155 damage and an additional 55 shield damage to all ground units in its radius.
    • Purification Nova no longer detonates on contact with enemy units.
    • Purification Nova now sends a threat signal to the opponent on detonation instead of during the launch phase.
  • Void Ray
    • Prismatic Alignment speed reduction decreased from 40% to 25%.
  • Tempest
    • Cost decreased from 300/200 to 250/175.
    • Supply cost decreased from 6 to 5.
    • HP/Shields decreased from 300/150 to 150/125.
    • Movement speed increased from 2.63 to 3.5.
    • Acceleration increased from 1.49 to 2.8.
  • Carrier
    • Build time decreased from 86 seconds to 64 seconds.
    • HP/Shields increased from 250/150 to 300/150.
    • Interceptor build time increased from 6 seconds to 11 seconds.
    • Graviton Catapult upgrade removed from the Fleet Beacon.
    • Interceptor release period changed from 0.36 to 0.27.
  • Mothership
    • Strategic Recall name changed to Mass Recall.
    • In addition to slowing unit movement speed by 50%, Time Warp now also reduces unit and structure attack speed by 50%.
  • Assimilator
    • HP/Shields decreased from 450/450 to 300/300.
  • Shield Battery
    • HP/Shields decreased from 200/200 to 150/150.
    • Shield Battery can now regenerate shields of units Graviton'd by Phoenix.
  • Gateway
    • Transform to Warp Gate will now be an auto-cast ability.

Bug Fixes


  • Stats LE: Fixed an issue that allowed melee units to attack destructible debris from the low ground.
  • Kairos Junction LE: The lighting status is no longer out of date.
  • Multiprocessor LE: Fixed an issue that allowed flying units to clip into certain doodads.  
  • Emerald City LE: Fixed an issue that slightly restricted the pathing of ground units on certain ramps.


  • Battlecruiser
    • The upper turrets will no longer track its last target through the fog of war.  
    • The bottom turrets will now track their target.

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