StarCraft II: Heart of the Swarm Patch 2.1.6 is being distributed to all regions throughout the week, and may not be live in your region yet. Please read on to check out the full patch notes.

StarCraft II 2.1.6 Patch Notes

Bug Fixes

• Fixed an issue where StarCraft II would fail to load on some Windows XP machines.
• Fixed an issue that prevented in-game voice chat from functioning correctly between party members.
• Corrected the default graphic settings for several Mac graphic cards.