StarCraft II/Patch 0.21.0

Patch 0.21.0
StarCraft II; “Wings of Liberty beta patch 18”
Release date	July 18, 2010;; 13 years ago
Version	0.21.0
Initial build	16094
Highlights & notes
	Mac version of StarCraft II Editor;
Related links
	Official Patch 0.21.0 patch notes;
Patch chronology
← Previous	Next →
Patch 0.20.0	Patch 1.0.0
Additional links
	Patches category, StarCraft II

StarCraft II patch 0.21.0 is the twentieth beta patch for StarCraft II: Wings of Liberty.

General

Burrowed Ultralisks now have the correct 500 hit points while burrowed.
Fixed an issue where custom maps utilizing custom loading screens could cause players to lag or be dropped from Battle.net.
Fixed an issue during replays when rewinding could cause the replay to desync.
Fixed an issue with in-game menus causing performance issues.