[RELOPS-2123] Downgrade Taskcluster to v91.1.0 for Windows Azure workers #1023
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Downgrades the Taskcluster generic-worker version from v93.1.4 to v91.1.0 to fix popup/window test failures on Windows 11 24H2 Azure workers. v91.1.0 is the newest version that avoids two separate regressions: - [v91.1.1](https://github.com/taskcluster/taskcluster/releases/tag/v91.1.1) introduced CREATE_NO_WINDOW console behavior causing popup/window tests to timeout (reverted in [v94.1.0](https://github.com/taskcluster/taskcluster/releases/tag/v94.1.0)) - [v93.1.2](https://github.com/taskcluster/taskcluster/releases/tag/v93.1.2) introduced CreateUserProfile() breaking WpnUserService for toast notification tests (not yet fixed)
markcor
approved these changes
Jan 20, 2026
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Summary
Downgrades the Taskcluster generic-worker version from v93.1.4 to v91.1.0 to fix popup/window test failures on Windows 11 24H2 Azure workers.
Problem
RELOPS-2123 - Windows popup/window tests are failing due to
CREATE_NO_WINDOWconsole behavior in generic-worker.Why v91.1.0?
v91.1.0 is the newest version that avoids two separate regressions:
CREATE_NO_WINDOWconsole behavior causing popup/window tests to timeoutCREATE_NO_WINDOWbut still contains the v93.1.2 regressionCreateUserProfile()breakingWpnUserServicefor toast notification testsSafe versions: v91.1.0 and earlier (before
CREATE_NO_WINDOWwas introduced)Test Results
Tasks succeed with this change:
https://firefox-ci-tc.services.mozilla.com/tasks/groups/WsOQdvqzSF6lte7OYLp9Zw