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Hearthstone and Warcraft Rumble Developers Unionize at Blizzard, Microsoft Recognizes New CWA Unit

The newly recognized unit now shifts to setting contract priorities with Microsoft's neutrality pact expired, leaving the bargaining landscape uncertain.

Overview

  • More than 100 developers across engineering, design, art, QA and production joined CWA Local 9510 in Irvine after a successful vote.
  • Microsoft has recognized the unit following the election, adding to over 1,900 Blizzard employees now represented by the CWA across multiple teams.
  • Organizers cite repeated layoffs, project cancellations and broader instability as drivers, with reports that cuts included winding down Warcraft Rumble development.
  • Workers accelerated their organizing to meet the expiration of Microsoft’s 2022 neutrality agreement with the CWA, which they say helped secure fair elections.
  • The unit plans to survey members and form a bargaining committee, noting that first contracts at other Microsoft-affiliated studios like Raven Software and ZeniMax QA took years to negotiate.